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Cabletron Systems ATX Reference Manual

Other manuals for ATX: Supplementary Manual, User Manual
Manual is about: Enterasys ATX: Reference Guide

Summary of ATX

  • Page 1

    Atx mib reference guide 9031872-01.

  • Page 3: Notice

    Atx mib reference guide i notice cabletron systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult cabletron systems to determine whether any such changes have been made. The hardware, ...

  • Page 4

    Notice ii atx mib reference guide fcc notice this device complies with part 15 of the fcc rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause ...

  • Page 5

    Notice atx mib reference guide iii cabletron systems, inc. Program license agreement important: before utilizing this product, carefully read this license agreement. This document is an agreement between you, the end user, and cabletron systems, inc. (“cabletron”) that sets forth your rights and obl...

  • Page 6

    Notice iv atx mib reference guide united states government restricted rights the enclosed product (a) was developed solely at private expense; (b) contains “restricted computer software” submitted with restricted rights in accordance with section 52227-19 (a) through (d) of the commercial computer s...

  • Page 7: Contents

    Atx mib reference guide v contents chapter 1 introduction 1.1 document conventions ............................................................... 1-2 1.2 related documentation ............................................................... 1-3 1.3 getting help..........................................

  • Page 8

    Contents vi atx mib reference guide chapter 4 token ring mib 4.1 token ring group........................................................................4-1 4.1.1 token ring interface table .........................................4-1 4.1.2 token ring statistics table ..................................

  • Page 9

    Contents atx mib reference guide vii chapter 8 ppp mib 8.1 ppp link control table ............................................................... 8-1 8.2 ppp ip table ............................................................................... 8-9 8.3 ppp bridge support .............................

  • Page 10

    Contents viii atx mib reference guide 10.3.18 cabletron ipx group ...............................................10-81 10.3.18.1 sipxif table ........................................10-81 10.3.18.2 route table..........................................10-83 10.3.18.3 sap table ..........................

  • Page 11: Chapter 1

    Atx mib reference guide 1-1 chapter 1 introduction this manual is for system administrators responsible for configuring, monitoring, and maintaining the atx. Much of the configuration of the atx needs to be done using an snmp-based network management station. This manual contains the snmp mib variab...

  • Page 12: 1.1 Document Conventions

    Chapter 1: introduction 1-2 atx mib reference guide 1.1 document conventions the following conventions are used in presenting information in this manual: lcm commands, prompts, and information displayed by the computer appear in courier typeface. Note note symbol. Calls the reader’s attention to any...

  • Page 13: 1.2 Related Documentation

    Related documentation atx mib reference guide 1-3 1.2 related documentation you may need to refer to the following documentation: • atx user guide – contains installation, configuration, and management instructions for the atx. It also describes how to use the local console manager (lcm), which is a...

  • Page 14: 1.4 Snmp Primitives

    Chapter 1: introduction 1-4 atx mib reference guide 1.4 snmp primitives the major software interface between the nms and atx consists of one simple mechanism – the exchange of snmp (simple network management protocol, rfc 1157) datagrams over any available physical media. The following restrictions ...

  • Page 15: 1.5 Mib Primitive Types

    Mib primitive types atx mib reference guide 1-5 1.5 mib primitive types the mib definitions in this document may reference the primitive types that are described in the structure and identification of management information for tcp/ip-based internets, rfc 1155. Rfc 1155 is based on the specification...

  • Page 16: 1.6 User Functions

    Chapter 1: introduction 1-6 atx mib reference guide 1.6 user functions the snmp primitives may be used to accomplish the following functions: • obtain the unit’s current value of certain parameters - the nms uses the getrequest or getnextrequest pdu, and the unit responds with a getresponse pdu. If ...

  • Page 17: Structure

    Navigating through the mib tree structure atx mib reference guide 1-7 many parameters are described by existing management information base (mib) documents. The meanings of those parameters are not always implemented exactly by the unit; instead, the parameters are treated as best as can be correlat...

  • Page 18: ......

    Chapter 1: introduction 1-8 atx mib reference guide figure 1-1 mib hierarchical structure table 1-2 provides the branch structure that is under mib-ii. To reach any of the mib-ii objects you would start with the prefix 1.3.6.1.2.1. For example, to reach an object in the system group, you would start...

  • Page 19

    Navigating through the mib tree structure atx mib reference guide 1-9 the cabletron mib is under the private enterprise mib branch. To identify a variable in the cabletron mib, you would start with the private enterprise prefix of 1.3.6.1.4.1, and add the specific cabletron massachusetts id of 97. T...

  • Page 20: 1.8 Tftp

    Chapter 1: introduction 1-10 atx mib reference guide the get command would look like: get 1.3.6.1.4.1.97.2.9.2.0 at the beginning of each chapter in this reference guide, the prefix for each mib group is provided. To calculate the specific mib variable, you add the specific object id to the prefix f...

  • Page 21: 1.9 Additional Interfaces

    Additional interfaces atx mib reference guide 1-11 5. Tell tftp to transfer the second file, (dnld_software). This transfer should take approximately six minutes. 1.8.2 retrieving all parameters trtp is used for retrieval of the parameters of an atx, as follows: 1. Start tftp. Tftp must be told the ...

  • Page 22

    Chapter 1: introduction 1-12 atx mib reference guide.

  • Page 23: Chapter 2

    Atx mib reference guide 2-1 chapter 2 tcp/ip mib-ii the atx supports the tcp/ip mib-ii, as defined by management information base for network management of tcp/ip-based internets mib-ii , rfc 1213 (k. Mccloghrie, editor), dated march 1991. The mib is divided into groups of parameters. The individual...

  • Page 24

    Chapter 2: tcp/ip mib-ii 2-2 atx mib reference guide ht the name turbo followed by 24 characters which are all blanks. If the board is removable, then the 24 characters contain a part number and serial number. If the board is revocable and has been removed, then the name is none followed by 25 blank...

  • Page 25: 2.2 Interfaces Group

    Interfaces group atx mib reference guide 2-3 sysname {system 5} displaystring read-write an administratively-assigned name for this node. By convention, this is the node’s fully qualified domain name. The lcm prompt consists of sysname followed by “>”. (lcm is a non-intelligent terminal interface th...

  • Page 26

    Chapter 2: tcp/ip mib-ii 2-4 atx mib reference guide ifentry {iftable 1} not-accessible a set of objects for an interface entry. The individual components are described below. Ifindex {ifentry 1} integer read-only the port number, beginning with 1 for the first port. This number always matches the i...

  • Page 27

    Interfaces group atx mib reference guide 2-5 ifspeed {ifentry 5} integer read-only the port’s estimated mac-level bandwidth, in bits per second. The bandwidth will be in the range 1,200 - 100,000,000. Ifphysaddress {ifentry 6} physical address read-write the mac address of the port. For the uart and...

  • Page 28

    Chapter 2: tcp/ip mib-ii 2-6 atx mib reference guide ifinoctets {ifentry 10} counter read-only the total number of bytes received on the port, counting the mac header and fcs, but not counting the bytes in packets that were rejected due to hardware errors. All counters are 32 bit wide wrap-around co...

  • Page 29

    Interfaces group atx mib reference guide 2-7 ifoutucastpkts {ifentry 17} counter read-only the number of non-multicast packets transmitted out the port, regardless of whether or not hardware transmission errors were encountered. Ifoutnucastpkts {ifentry 18} counter read-only the number of multicast ...

  • Page 30

    Chapter 2: tcp/ip mib-ii 2-8 atx mib reference guide • {fddi} - for fddi ports (fddi is defined later, as {transmission 15}). • {dot5} - for token ring ports (dot5 is defined later, as {transmission 9}). 2.3 address translation group at {mib-2 3} the tcp/ip address translation group parameters are m...

  • Page 31: 2.4 Ip Group

    Ip group atx mib reference guide 2-9 2.4 ip group ip {mib-2 4) the tcp/ip ip group parameters are described below. Ipforwarding {ip 1} integer read-write whether the unit is an ip router. This is always gateway (1), i.E., the unit is an ip router (or combination bridge/router). Attempts to write to ...

  • Page 32

    Chapter 2: tcp/ip mib-ii 2-10 atx mib reference guide ipindiscards {ip 8} counter read-only the number of packets that were received without error, but were not processed (due to insufficient resources, for example). Ipindelivers {ip 9} counter read-only the total number of input packets successfull...

  • Page 33: 2.4.1 Ip Address Table

    Ip group atx mib reference guide 2-11 ipreasmoks {ip 15} counter read-only the number of ip datagrams which were successfully reassembled. Ipreasmfails {ip 16} counter read-only the number of failures (for whatever reason timed-out, errors, etc.) detected by the ip reassembly algorithm. This is not ...

  • Page 34

    Chapter 2: tcp/ip mib-ii 2-12 atx mib reference guide ipadentaddr {ipaddrentry 1} ip address read-only the ip address itself. Although this field is read-only, the unit’s sifipaddress parameter can be written to affect changes. Ipadentifindex {ipaddrentry 2} integer read-only the port number which h...

  • Page 35: 2.4.2 Ip Routing Table

    Ip group atx mib reference guide 2-13 2.4.2 ip routing table the tcp/ip ip routing table contains the routing information for each route currently known by the unit. When adding a row, the entire row must be specified, except for the following defaults: • iproutedest is obtained from the row’s insta...

  • Page 36

    Chapter 2: tcp/ip mib-ii 2-14 atx mib reference guide iproutemetric1 {iprouteentry 3} integer read-write the primary routing metric for this route. This is the zero-based hop count to iproutedest. That is, a hop count of zero indicates that iproutedest is on a directly connected network. Iproutemetr...

  • Page 37

    Ip group atx mib reference guide 2-15 iprouteproto {iprouteentry 9} integer read-only the manner in which the route was learned. Values include: • other (1) - none of the following • local (2) - non-protocol information, manually • netmgmt (3) - configured entries set via a network management protoc...

  • Page 38

    Chapter 2: tcp/ip mib-ii 2-16 atx mib reference guide iprouteinfo {iprouteentry 13} object identifier read-write a reference to additional mib definitions, specific to the routing protocol which is responsible for this route. This information is not present in the unit, so iprouteinfo should be set ...

  • Page 39: 2.4.4 Ip Additional Objects

    Icmp group atx mib reference guide 2-17 ipnettomediaphysaddress {ipnettomediaentry 2} physical address read-write the mac address (for ppp ports, this should be a single byte of hexadecimal ff; for fddi and token ring ports, this should be little endian, although there are some factions of the snmp ...

  • Page 40

    Chapter 2: tcp/ip mib-ii 2-18 atx mib reference guide icmpinerrors {icmp 2} counter read-only the number of icmp messages which were received with errors (bad checksums, bad length, etc.). Icmpindestunreachs {icmp 3} counter read-only the number of icmp “destination unreachable” messages received. I...

  • Page 41

    Icmp group atx mib reference guide 2-19 icmpintimestampsreps {icmp 11} counter read-only the number of icmp “timestamp reply” messages received. Icmpinaddrmasks {icmp 12} counter read-only the number of icmp “address mask request” messages received. Icmpinaddrmaskreps {icmp 13} counter read-only the...

  • Page 42: 2.6 Tcp Group

    Chapter 2: tcp/ip mib-ii 2-20 atx mib reference guide icmpoutredirects {icmp 20} counter read-only the number of icmp “redirect” messages sent. Icmpoutechos {icmp 21} counter read-only the number of icmp “echo (request)” messages sent. Icmpoutechoreps {icmp 22} counter read-only the number of icmp “...

  • Page 43: 2.7 Udp Group

    Udp group atx mib reference guide 2-21 2.7 udp group udp {mib-2 7} the tcp/ip udp group parameters are described below. Udpindatagrams {udp 1} counter read-only the total number of udp datagrams delivered to udp users. Udpnoports {udp 2} counter read-only the total number of received udp datagrams f...

  • Page 44: 2.8 Egp Group

    Chapter 2: tcp/ip mib-ii 2-22 atx mib reference guide udplocaladdress {udpentry 1} ip address read-only the all zeroes ip address (0.0.0.0), which indicates that the udp listener is willing to accept udp datagrams for any ip address associated with the unit. Udplocalport {udpentry 2} integer read-on...

  • Page 45: 2.11 Snmp Group

    Snmp group atx mib reference guide 2-23 2.11 snmp group snmp {mib-2 11} the tcp/ip snmp group parameters are described below. Snmpinpkts {snmp 1} counter read-only the number of snmp pdus received by the unit. Snmpoutpkts {snmp 2} counter read-only the number of snmp pdus created by the unit. Snmpin...

  • Page 46

    Chapter 2: tcp/ip mib-ii 2-24 atx mib reference guide snmpintoobigs {snmp 8} counter read-only always zero, since the unit ignores all snmp response pdus. Snmpinnosuchnames {snmp 9} counter read-only always zero, since the unit ignores all snmp response pdus. Snmpinbadvalues {snmp 10} counter read-o...

  • Page 47

    Snmp group atx mib reference guide 2-25 snmpingetnexts {snmp 16} counter read-only the total number of snmp getnext pdus received by the unit, which have been processed with no errors. Snmpinsetrequests {snmp 17} counter read-only the total number of snmp setrequest pdus received by the unit, which ...

  • Page 48

    Chapter 2: tcp/ip mib-ii 2-26 atx mib reference guide snmpoutgenerrs {snmp 24} counter read-only the total number of snmp pdus created by the unit, with a value of “generr” in the pdu’s “errorstatus”. Snmpoutgetrequests {snmp 25} counter read-only always zero, since the unit never creates any snmp r...

  • Page 49: Chapter 3

    Atx mib reference guide 3-1 chapter 3 ethernet mib the unit supports the ethernet mib as defined in definitions of managed objects for the ethernet-like interface types, rfc 1284 (j. Cook, editor), dated december 1991. The mib tree prefix for reaching the ethernet group is: 1.3.6.1.2.1.10. Transmiss...

  • Page 50

    Chapter 3: ethernet mib 3-2 atx mib reference guide dot3initializemac {dot3entry 2} integer read-write whether the port has been initialized. Initializing a port automatically resets all of the port’s statistics, and enables transmit and receive (the receiver will be in promiscuous mode). The value ...

  • Page 51

    Ethernet-like statistics group atx mib reference guide 3-3 3.2 ethernet-like statistics group the dot3statstable is specified in a unique manner. That is, the rfc specifies that value of 0 should be returned for counters that are not implemented. Dot3statstable {dot3 2} not-accessible a list of inte...

  • Page 52

    Chapter 3: ethernet mib 3-4 atx mib reference guide dot3statssqetesterrors {dot3statsentry 6} counter read-only the number of times an sqe failure ( i.E., heartbeat lost) occurred, since the port was last enabled. This counter is only incremented when heartbeat is lost, if the port has been configur...

  • Page 53

    Ethernet-like collision statistics group atx mib reference guide 3-5 dot3statsframetoolongs {dot3statsentry 13} counter read-only the number of times a received packet was too long, since the port was last enabled. Dot3statsinrangelengtherrors {dot3statsentry 14} counter read-only the number of rece...

  • Page 54

    Chapter 3: ethernet mib 3-6 atx mib reference guide 3.6 ethernet-like chipsets group dot3chipsets {dot3 8} there are no mib variables in this group..

  • Page 55: Chapter 4

    Atx mib reference guide 4-1 chapter 4 token ring mib the unit supports the token ring mib as defined in ieee 802.5 token ring mib, rfc 1231 (k. Mccloghrie, editor) dated may 1991. Note that reassignment of experimental mibs to standard mibs, rfc 1239 (j. Reynolds, editor), dated june 1991, has reass...

  • Page 56

    Chapter 4: token ring mib 4-2 atx mib reference guide dot5commands {dot5entry 2} integer read-write when this object is set to the value of open (2), the station should go into the open state. The progress and success of the open is given by the values of the objects dot5ringstate and dot5ringopenst...

  • Page 57

    Token ring group atx mib reference guide 4-3 dot5ringstate {dot5entry 4} integer read-only the current interface state with respect to entering or leaving the ring. Values include: • opened (1) • closed (2) • opening (3) • closing (4) • openfailure (5) • ringfailure (6) dot5ringopenstatus {dot5entry...

  • Page 58

    Chapter 4: token ring mib 4-4 atx mib reference guide dot5functional {dot5entry 9} macaddress read-write the bit mask of all token ring functional addresses for which this interface will accept frames. 4.1.2 token ring statistics table dot5statstable {dot5 2} not-accessible a table containing token ...

  • Page 59

    Token ring group atx mib reference guide 4-5 dot5statsacerrors {dot5statsentry 4} counter read-only this counter is incremented when a station receives an amp or smp frame in which a is equal to c is equal to 0, and then receives another smp frame with a is equal to c is equal to 0 without first rec...

  • Page 60

    Chapter 4: token ring mib 4-6 atx mib reference guide dot5statssofterrors {dot5statsentry 11} counter read-only the number of soft errors the interface has detected. It directly corresponds to the number of report error mac frames that this interface has transmitted. Soft errors are those which are ...

  • Page 61: 4.1.4 Token Ring Tests

    Token ring group atx mib reference guide 4-7 dot5statssingles {dot5statsentry 18} counter read-only the number of times the interface has sensed that it is the only station on the ring. This will happen if the interface is the first one up on a ring, or if there is a hardware problem. Dot5statsfreqe...

  • Page 62

    Chapter 4: token ring mib 4-8 atx mib reference guide.

  • Page 63: Chapter 5

    Atx mib reference guide 5-1 chapter 5 fddi mib the atx supports the fddi mib as defined in fddi management information base, rfc 1512 (jeffery d. Case, editor) dated september 1993. The fddi mib is divided into groups of parameters. The individual groups are described in the subsections below. You m...

  • Page 64: 5.1.1 Smt Table

    Chapter 5: fddi mib 5-2 atx mib reference guide 5.1.1 smt table fddimibsmttable {fddimibsmt 2} not-accessible a list of interface entries; one per fddi port. The entries are indexed by fddimibsmtindex. Fddimibsmtentry {fddimibsmttable 1} not-accessible a set of operational attributed for an fddi por...

  • Page 65

    Smt group atx mib reference guide 5-3 fddimibsmtloversionid {fddimibsmtentry 5} integer read-only the lowest version of smt that this station supports (corresponds to ansi {fddismt 15}, refer to ansi 7.1.2.2). Fddimibsmtuserdata {fddimibsmtentry 6} octet string read-write this variable contains 32 o...

  • Page 66

    Chapter 5: fddi mib 5-4 atx mib reference guide fddimibsmtconfigpolicy {fddimibsmtentry 13} integer read-only# a value that indicates the configuration policies currently desired in a node (corresponds to ansi {fddismt 26}). This is always 0. Fddimibsmtconnectionpolicy {fddimibsmtentry 14} integer r...

  • Page 67

    Smt group atx mib reference guide 5-5 fddimibsmttracemaxexpiration {fddimibsmtentry 17} integer read-write reference trace_max (corresponds to ansi {fddismt 31}), (refer to ansi smt 9.4.4.2.2). Fddimibsmtbypasspresent {fddimibsmtentry 18} integer read-only a flag indicating if the station has a bypa...

  • Page 68: 5.2 Mac Group

    Chapter 5: fddi mib 5-6 atx mib reference guide fddimibsmttimestamp {fddimibsmtentry 24} integer read-only this variable assumes the value of timestamp, in the unit of milliseconds (corresponds to ansi {fddismt 51}, refer to ansi smt 8.3.2.1). Fddimibsmttransitiontimestamp {fddimibsmtentry 25} integ...

  • Page 69

    Mac group atx mib reference guide 5-7 fddimibmacsmtindex {fddimibmacentry 1} integer read-only the value of the smt index associated with this mac. The values do not correspond to the unit’s port numbers. For example, parameter instance {fddimibmacsmtindex 1} corresponds to the unit’s first fddi por...

  • Page 70

    Chapter 5: fddi mib 5-8 atx mib reference guide fddimibmaccurrentpath {fddimibmacentry 8} integer read-only indicates the path into which this mac is currently inserted (corresponds to ansi {fddimac 23}, refer to ansi smt 9.7.7). Fddimibmacupstreamnbr {fddimibmacentry 9} octet string read-only the m...

  • Page 71

    Mac group atx mib reference guide 5-9 fddimibmacrequestedpaths {fddimibmacentry 14} integer read-only# list of permitted paths which specifies the path (s) into which the mac may be inserted (corresponds to ansi {fddimac 32} refer to ansi smt 9.7). Only default setting as defined in smt 9.7 is suppo...

  • Page 72

    Chapter 5: fddi mib 5-10 atx mib reference guide fddimibmacframects {fddimibmacentry 21} counter read-write* a count of the number of frames received by this mac (corresponds to ansi {fddimac 71}, refer to ansi mac 7.5.1). Any attempt to write this parameter will cause the mac’s frame_ct, copied_ct,...

  • Page 73

    Mac group atx mib reference guide 5-11 fddimibmacframeerrorthreshold {fddimibmacentry 26} integer read-write a threshold (0..65536) for determining when a mac condition report (corresponds to ansi {fddimac 95}, refer to ansi mac 8.3.1.1) shall be generated. Fddimibmacframeerrorratio {fddimibmacentry...

  • Page 74: 5.3 Mac Counter Group

    Chapter 5: fddi mib 5-12 atx mib reference guide fddimibmachardwarepresent {fddimibmacentry 33} integer read-only this variable indicates the presence of underlying hardware support for this mac object (corresponds to ansi {fddimac 117}). This is always true (1). Fddimibmacmaunitdataenable {fddimibm...

  • Page 75

    Path group atx mib reference guide 5-13 fddimibpathsmtindex {fddimibpathentry 1} integer read-only the value of the smt index associated with this path. Fddimibpathindex {fddimibpathentry 2} integer read-only index variable for uniquely identifying the primary and secondary path object instances (co...

  • Page 76: 5.4.2 Path Config Table

    Chapter 5: fddi mib 5-14 atx mib reference guide 5.4.2 path config table fddimibpathconfigtable {fddimibpath 3} not-accessible a table of path configuration entries. The entries are indexed by fddimibpathconfigsmtindex, fddimibpathconfigpathindex and fddimibpathconfigtokenorder. Fddimibpathconfigent...

  • Page 77: 5.5 Port Group

    Port group atx mib reference guide 5-15 5.5 port group fddimibport {fddimib 5} the fddi port group parameters are the following: fddimibportnumber {fddimibport 1} integer read-only the total number of phys possible (across all fddi ports) on this unit. 5.5.1 port table fddimibporttable {fddimibport ...

  • Page 78

    Chapter 5: fddi mib 5-16 atx mib reference guide fddimibportneighbortype {fddimibportentry 4} integer read-only the type of the remote port as determined in pcm (corresponds to ansi {fddiport 13}). Fddimibportconnectionpolicies {fddimibportentry 5} integer read-only# a value representing the port’s ...

  • Page 79

    Port group atx mib reference guide 5-17 fddimibportpmdclass {fddimibportentry 11} integer read-only this variable indicates the type of pmd entity associated with this port (corresponds to ansi {fddiport 22}). Fddimibportconnectioncapabilities {fddimibportentry 12} integer read-only a value that ind...

  • Page 80

    Chapter 5: fddi mib 5-18 atx mib reference guide fddimibportlercutoff {fddimibportentry 18} integer read-write the link error rate estimate at which a link connection will be broken (corresponds to ansi {fddiport 58}). Fddimibportleralarm {fddimibportentry 19} integer read-write the link error rate ...

  • Page 81

    Port group atx mib reference guide 5-19 fddimibportaction {fddimibportentry 25} integer read-write a port action to be performed (corresponds to ansi {fddiport 70}). The unit always tries to start the port, if the relevant hardware passes diagnostics, and if the port is configured to be used. Attemp...

  • Page 82

    Chapter 5: fddi mib 5-20 atx mib reference guide.

  • Page 83: Chapter 6

    Atx mib reference guide 6-1 chapter 6 bridge mib the unit supports the bridge mib {mib-2 17} as defined in definitions of managed objects for bridges, rfc 1286 (decker, langille, rijsinghani, and mccloghrie, editors). The access types of some of the parameters have been extended from read-only to re...

  • Page 84

    Chapter 6: bridge mib 6-2 atx mib reference guide dot1dbasetype {dot1dbase 3} integer read-only indicates what type of bridging this bridge can perform. If a bridge is actually performing a certain type of bridging this will be indicated by entries in the port table for the given type. The unit supp...

  • Page 85: 6.2 Spanning Tree  Group

    Spanning tree group atx mib reference guide 6-3 dot1dbaseportdelayexceededdiscards {dot1dbaseportentry 4} counter read-only the number of frames discarded by this port due to excessive transit delay through the bridge. It is incremented by both transparent and source route bridges. Dot1dbaseportmtue...

  • Page 86

    Chapter 6: bridge mib 6-4 atx mib reference guide dot1dstptopchanges {dot1dstp 4} counter read-only the total number of topology changes detected by this bridge since the management entity was last reset or initialized. Dot1dstpdesignatedroot {dot1dstp 5} octet string read-only the bridge identifier...

  • Page 87

    Spanning tree group atx mib reference guide 6-5 dot1dstpholdtime {dot1dstp 10} integer read-only this time value determines the interval length during which no more than two configuration bridge pdus shall be transmitted by this node, in units of hundredths of a second. Dot1dstpforwarddelay {dot1dst...

  • Page 88

    Chapter 6: bridge mib 6-6 atx mib reference guide dot1dstpbridgeforwarddelay {dot1dstp 14} timeticks read-write the value that all bridges use for forwarddelay when this bridge is acting as the root. Note that 802.1d/d9 specifies that the range for this parameter is related to the value of dot1dstpb...

  • Page 89

    Spanning tree group atx mib reference guide 6-7 dot1dstpportstate {dot1dstpportentry 3} integer read-only the port’s current state as defined by application of the spanning tree protocol. This state controls what action a port takes on reception of a frame. If the bridge has detected a port that is ...

  • Page 90: 6.3 Source Route Group

    Chapter 6: bridge mib 6-8 atx mib reference guide dot1dstpportdesignatedroot {dot1dstpportentry 6} octet string read-only the unique bridge identifier of the bridge recorded as the root in the configuration bpdus transmitted by the designated bridge for the segment to which the port is attached. Dot...

  • Page 91

    Source route group atx mib reference guide 6-9 dot1dsrportentry {dot1dsrporttable 1} not-accessible a list of information for each port of a source route bridge. Dot1dsrport {dot1dsrportentry 1} integer read-only the port number of the port for which this entry contains source route management infor...

  • Page 92

    Chapter 6: bridge mib 6-10 atx mib reference guide dot1dsrporttargetsegment {dot1dsrportentry 5} integer read-write the segment number that corresponds to the target segment this port is considered to be connected to by the bridge. Current source routing protocols limit this value to the range 0 thr...

  • Page 93

    Source route group atx mib reference guide 6-11 dot1dsrportspecoutframes {dot1dsrportentry 9} counter read-only the number of specifically routed frames that this port has transmitted on its segment. Dot1dsrportapeinframes {dot1dsrportentry 10} counter read-only the number of all paths explorer fram...

  • Page 94: 6.4 Transparent Group

    Chapter 6: bridge mib 6-12 atx mib reference guide 6.4 transparent group dot1dtp {dot1dbridge 4} dot1dtplearnedentrydiscards {dot1dtp 1} counter read-only the total number of forwarding database entries, which have been or would have been learned, but have been discarded due to a lack of space to st...

  • Page 95

    Transparent group atx mib reference guide 6-13 dot1dtpfdbport {dot1dtpfdbentry 2} integer read-only either the value 0, or the port number of the port on which a frame having a source address equal to the value of the corresponding instance of dot1dtpfdbaddress has been seen. A value of 0 indicates ...

  • Page 96

    Chapter 6: bridge mib 6-14 atx mib reference guide dot1dtpport {dot1dtpportentry 1} integer read-only the port number of the port for which this entry contains transparent bridging management information. Dot1dtpportmaxinfo {dot1dtpportentry 2} integer read-only the maximum size of the info (non-mac...

  • Page 97: 6.5 Static Database Group

    Static database group atx mib reference guide 6-15 6.5 static database group dot1dstatic {dot1dbridge 5} dot1dstatictable {dot1dstatic 1} not-accessible a table containing filtering information configured into the bridge by (local or network) management specifying the set of ports to which frames re...

  • Page 98

    Chapter 6: bridge mib 6-16 atx mib reference guide the unit does not store the value 0. Instead, a setrequest with a value 0 will cause the unit to automatically create entries for all ports that have no other applicable entries. Dot1dstaticallowedtogoto {dot1dstaticentry 3} octet string read-write ...

  • Page 99: Chapter 7

    Atx mib reference guide 7-1 chapter 7 repeater mib the unit supports the ethernet repeater mib as defined in definitions of managed objects for ieee 802.3 repeater devices. Rfc 1368 (mcmaster and mccloghrie, editors). The unit has one major special feature. Packets are not repeated across groups. In...

  • Page 100

    Chapter 7: repeater mib 7-2 atx mib reference guide rptroperstatus {rptrrptrinfo 2} integer read-only the rptroperstatus object indicates the operational state of the repeater. The rptrhealthtext object may be consulted for more specific information about the state of the repeater’s health. In the c...

  • Page 101: 7.2 Group Info

    Group info atx mib reference guide 7-3 rptnondisrupttest {rptrrptrinfo 5} integer read-write setting this object to selftest (2) causes the repeater to perform a agent-specific, non-disruptive self-test that has the following characteristics a) the nature of the tests is not specified. B) the test d...

  • Page 102

    Chapter 7: repeater mib 7-4 atx mib reference guide rptrgroupdescr {rptrgroupentry 2} octet string read-only a textual description of the group. This value should include the full name and version identification of the group’s hardware type and indicate how the group is differentiated from other gro...

  • Page 103: 7.3 Port Info

    Port info atx mib reference guide 7-5 rptrgrouplastoperstatuschange {rptrgroupentry 5} timeticks read-only an object that contains the value of sysuptime at the time that the value of the rptrgroupoperstatus object for this group last changed. A value of zero indicates that the group’s oper status h...

  • Page 104

    Chapter 7: repeater mib 7-6 atx mib reference guide rptrportadminstatus {rptrportentry 3} integer read-write setting this object to disabled (2) disables the port. A disabled port neither transmits nor receives. Once disabled, a port must be explicitly enabled to restore operation. A port which is d...

  • Page 105: 7.4 Monitor Package

    Monitor package atx mib reference guide 7-7 7.4 monitor package rptrmonitorpackage {snmpdot3rptrmgt 2} 7.5 monitor rptr info rptrmonitorrptrinfo {rptrmonitorpackage 1} rptrmonitortransmitcollisions {rptrmonitorrptrinfo 1} counter read-only this counter is incremented every time the repeater state ma...

  • Page 106: 7.7 Monitor Port Info

    Chapter 7: repeater mib 7-8 atx mib reference guide rptrmonitorgrouptotalframes {rptmonitorgroupentry 2} integer read-only the total number of frames of valid frame length that have been received on the ports in this group. This counter is the summation of the values of the rptrmonitorportreadablefr...

  • Page 107

    Monitor port info atx mib reference guide 7-9 rptrmonitorportindex {rptrmonitorportentry 2} integer read-only this object identifies the port within the group for which this entry contains information. Rptrmonitorportreadableframes {rptrmonitorportentry 3} counter read-only this object is the number...

  • Page 108

    Chapter 7: repeater mib 7-10 atx mib reference guide rptrmonitorportalignmenterrors {rptrmonitorportentry 6} counter read-only this counter is incremented by one for each frame received on this port with the fcserror and framingerror signals asserted and collisionevent signal deasserted and whose oc...

  • Page 109

    Monitor port info atx mib reference guide 7-11 rptrmonitorportrunts {rptrmonitorportentry 9} counter read-only this counter is incremented by one for each carrierevent on this port that meets one of the following two conditions. Only one test need be made. A) the activityduration is greater than sho...

  • Page 110

    Chapter 7: repeater mib 7-12 atx mib reference guide rptrmonitorportverylongevents {rptrmonitorportentry 12} counter read-only this counter is incremented by one for each carrierevent on this port whose activityduration is greater than the mau jabber lockup protection timer tw3 (ref 9.6.1 & 9.6.5, i...

  • Page 111

    Address tracking package atx mib reference guide 7-13 rptrmonitorporttotalerrors {rptrmonitorportentry 15} counter read-only the total number of errors which have occurred on this port. This counter is the summation of the values of other error counters (for the same port), namely rptrmonitorportfcs...

  • Page 112

    Chapter 7: repeater mib 7-14 atx mib reference guide rptraddrtrackentry {rptraddrtracktable 1} not-accessible an entry in the table, containing address mapping information about a single port. Rptraddrtrackgroupindex {rptraddrtrackentry 1} integer read-only this object identifies the group containin...

  • Page 113: Chapter 8

    Atx mib reference guide 8-1 chapter 8 ppp mib the unit supports rfc 1471 for ppp link control and rfc 1473 for ppp ip, and rfc 1474 for ppp bridge support. The mib tree for reaching the ppp group is: 1.3.6.1.2.1.10. Ppp {transmission 23} 8.1 ppp link control table ppplcp {ppp 1} ppplink {ppplcp 1} p...

  • Page 114

    Chapter 8: ppp mib 8-2 atx mib reference guide ppplinkstatusbadaddresses {ppplinkstatusentry 2} counter read-only the number of packets received with an incorrect address field. This counter is a component of the ifinerrors variable that is associated with the interface that represents this ppp link...

  • Page 115

    Ppp link control table atx mib reference guide 8-3 ppplinkstatusremotemru {ppplinkstatusentry 7} integer read-only the current value of the mru for the remote ppp entity. This value is the mru that the local entity is using when sending packets to the remote ppp entity. The value of this object is m...

  • Page 116

    Chapter 8: ppp mib 8-4 atx mib reference guide ppplinkstatuslocaltoremoteaccompression {ppplinkstatusentry 12} integer read-only indicates whether the local ppp entity will use address and control compression when transmitting packets to the remote ppp entity. The value of this object is meaningful ...

  • Page 117

    Ppp link control table atx mib reference guide 8-5 ppplinkconfigentry {ppplinkconfigtable 1} not-accessible configuration information about a particular ppp link. Ppplinkconfiginitialmru {ppplinkconfigentry 1} integer read-write the initial maximum receive unit (mru) that the local ppp entity will a...

  • Page 118

    Chapter 8: ppp mib 8-6 atx mib reference guide ppplinkconfigmagicnumber {ppplinkconfigentry 4} integer read-write if true (2) then the local node will attempt to perform magic number negotiation with the remote node. If false (1) then this negotiation is not performed. In any event, the local node w...

  • Page 119

    Ppp link control table atx mib reference guide 8-7 ppplqringoodoctets {ppplqrentry 2} counter read-only the lqr ingoodoctets counter for this link. Ppplqrlocalperiod {ppplqrentry 3} integer read-only the lqr reporting period, in hundredths of a second that is in effect for the local ppp entity. Pppl...

  • Page 120

    Chapter 8: ppp mib 8-8 atx mib reference guide ppplqrconfigperiod {ppplqrconfigentry 1} integer read-write the lqr reporting period that the local ppp entity will attempt to negotiate with the remote entity, in units of hundredths of a second. Changes to this object take effect when the link is next...

  • Page 121: 8.2 Ppp Ip Table

    Ppp ip table atx mib reference guide 8-9 8.2 ppp ip table pppip [ppp 3] pppiptable {pppip 1} not-accessible table containing the ip parameters and statistics for the local ppp entity. Pppipentry {pppiptable 1} not-accessible ipcp status information for a particular ppp link. Pppipoperstatus {pppipen...

  • Page 122

    Chapter 8: ppp mib 8-10 atx mib reference guide pppipremotemaxslotid {pppipentry 4} integer read-only the max-slot-id parameter that the remote node has advertised and that is in use on the link. If vj-tcp header compression is not in use on the link then the value of this object shall be 0. The val...

  • Page 123: 8.3 Ppp Bridge Support

    Ppp bridge support atx mib reference guide 8-11 8.3 ppp bridge support pppbridge {ppp 4} pppbridgetable {pppbridge 1} not-accessible table containing the parameters and statistics for the local ppp entity that are related to the operation of bridging over the ppp. Pppbridgeentry {pppbridgetable 1} n...

  • Page 124

    Chapter 8: ppp mib 8-12 atx mib reference guide pppbridgelocaltoremotelanid {pppbridgeentry 4} integer read-only indicates whether the local node will include the lan identification field in transmitted packets or not. If false (1) it won’t and if true (2) it will. The value of this object is meanin...

  • Page 125

    Ppp bridge support atx mib reference guide 8-13 pppbridgeconfigringid {pppbridgeconfigentry 3} integer read-write if false (1) then the local ppp entity will not initiate a remote ring identification option negotiation and if true (2) it will. This mib object is relevant only if the interface is for...

  • Page 126

    Chapter 8: ppp mib 8-14 atx mib reference guide pppbridgemediaremotestatus {pppbridgemediaentry 3} integer read-only indicates whether the local ppp bridging entity believes that the remote ppp bridging entity will accept (1) packets of the protocol type identified in pppbridgemediamactype on the pp...

  • Page 127: Chapter 9

    Atx mib reference guide 9-1 chapter 9 appletalk mib the unit supports the standard appletalk mib, as defined in rfc 1243. The appletalk mib consists of eight groups: • llap–describes the localtalk link access protocol variables. • aarrp–describes the appletalk address resolution protocol variables. ...

  • Page 128

    Chapter 9: appletalk mib 9-2 atx mib reference guide llapifindex {llapentry 1} integer read-only the llap interface to which this entry pertains. The interface identified by a particular value of this index is the same interface as identified by the same value of ifindex. Llapinpkts {llapentry 2} co...

  • Page 129: 9.2 Aarp Group

    Aarp group atx mib reference guide 9-3 llapnodataerrors {llapentry 9} counter read-only the total number of times this localtalk interface received a laprts packet and expected a data packet, but did not receive any data packet. Llaprandomctserrors {llapentry 10} counter read-only the total number o...

  • Page 130: 9.3 Atport Group

    Chapter 9: appletalk mib 9-4 atx mib reference guide aarpphysaddress {aarpentry 2} octet string read-only the media-dependant physical address. Aarpnetaddress {aarpentry 3} octet string read-only the appletalk network address corresponding to the media-dependant physical address. 9.3 atport group th...

  • Page 131

    Atport group atx mib reference guide 9-5 atporttype {atportentry 3} integer read-write the type of port, distinguished by the protocol immediately below ddp in the protocol stack. Atportnetstart {atportentry 4} octet string read-write the first appletalk network address in the range configured for t...

  • Page 132: 9.4 Ddp Group

    Chapter 9: appletalk mib 9-6 atx mib reference guide atportnetconfig {atportentry 8} integer read-only the configuration status of this port. Atportzoneconfig {atportentry 9} integer read-only the configuration status of the zone information for this port. Atportzone {atportentry 10} octet string re...

  • Page 133

    Ddp group atx mib reference guide 9-7 ddpoutlongs {ddp 3} counter read-only the total number of long ddp datagrams which were transmitted from this entity. Ddpinreceives {ddp 4} counter read-only the total number of input datagrams received by ddp, including those received in error. Ddpforwrequests ...

  • Page 134: 9.5 Rtmp Group

    Chapter 9: appletalk mib 9-8 atx mib reference guide ddptoolongerrors {ddp 10} counter read-only the total number of input ddp datagrams dropped because the received data length was greater than the data length specified in the ddp header or because they exceeded the maximum ddp datagram size. Ddpbr...

  • Page 135

    Rtmp group atx mib reference guide 9-9 rtmprangestart {rtmpentry 1} octet stringread-write the first ddp network address in the network range to which this routing entry pertains. This is a two octet ddp network address in network byte order. Rtmprangeend {rtmpentry 2} octet string read-write the la...

  • Page 136: 9.6 Zip Group

    Chapter 9: appletalk mib 9-10 atx mib reference guide the values for rtmpstate include: • good (1) • suspect (2) • goingbad (3) • bad (4)–may be removed from table. 9.6 zip group the zip group describes mib variables related to the zone information protocol. Zip {appletalk 7} ziptable {zip 1} not-ac...

  • Page 137: 9.7 Nbp Group

    Nbp group atx mib reference guide 9-11 zipzonenetend {zipentry 4} octet string read-write the network that ends the range for this entry. This address is a two octet ddp network address in network byte order. If the network to which this zip entry pertains is a phase 1 network or a non-extended netw...

  • Page 138: 9.8 Atecho Group

    Chapter 9: appletalk mib 9-12 atx mib reference guide nbpindex {nbpentry 1} integer read-only the index of this nbp entry. This value ranges from 1 to the number of nbp entries currently registered on this entity. Nbpobject {nbpentry 2} octet string read-only the name of the service described by thi...

  • Page 139

    Atecho group atx mib reference guide 9-13 atechoreplies {atecho 2} counter read-only the number of appletalk echo replies sent..

  • Page 140

    Chapter 9: appletalk mib 9-14 atx mib reference guide.

  • Page 141: Chapter 10

    Atx mib reference guide 10-1 chapter 10 cabletron mib the cabletron mib {enterprise 97} is divided into several groups of parameters. The individual groups are described in the subsections below. The mib tree prefix for reaching the private enterprise cabletron mib-ii is: 1.3.6.1.4.1.97. Sigma {ente...

  • Page 142: 10.2

    Chapter 10: cabletron mib 10-2 atx mib reference guide systraptime {sys 4} timeticks read-write the time, in centiseconds, which should expire between the sending of traps. This value is used when no icmp source quench datagrams have been received. [receiving icmp source quench datagrams will cause ...

  • Page 143: 10.3.1

    Atx group atx mib reference guide 10-3 10.3.1 hardware configuration group hw {ecs-1 1} this attribute group supplies information which describes the configuration and status of this particular atx. Hwnumber {hw 1} integer read-only the number of slots available for hardware modules, regardless of w...

  • Page 144

    Chapter 10: cabletron mib 10-4 atx mib reference guide hwtype {hwentry 2} integer read-only the module type of the slot’s most recent occupant since the unit was started. The values for hwtype correspond to the values for hwporttype (defined later), and are defined as follows: • vacant (1) - slot is...

  • Page 145

    Atx group atx mib reference guide 10-5 hwdeftype {hwentry 4} integer read-only the module type defined for the slot. Certain pre-defined relationships exist. Slot 1 always contains the packet processing engine board. Slots 2-6 are either unoccupied, or contain iom boards. Slot 7 is either unoccupied...

  • Page 146

    Chapter 10: cabletron mib 10-6 atx mib reference guide 0x00020 id eeprom error 0x00040 uart error (the unit will still boot) 0x00080 cam error 0x00100 interrupt control error 0x00200 watchdog timeout error 0x00400 voltage monitor error 0x00800 temperature sensor error 0x01000 flash eeprom bank 1 che...

  • Page 147

    Atx group atx mib reference guide 10-7 for the fddi iom board (fiom), any combination of the following errors may be combined; however, any error will prevent the board from being used: 0x00001 rbc error 0x00002 dpc error 0x00004 formac error 0x00008 endec error 0x00010 fddi buffer memory error 0x00...

  • Page 148

    Chapter 10: cabletron mib 10-8 atx mib reference guide for the ethernet/802.3 iom boards (including the single-port ethernet board, the four port ethernet board, and the concentrator ethernet boards), any combination of the following errors may be combined; however, any error will prevent the board ...

  • Page 149

    Atx group atx mib reference guide 10-9 for the hssi iom board, any combination of the following errors may be combined; however, any error will prevent the board from being used: 0x00001 local sram error 0x00002 shared ram error 0x00004 rom checksum error 0x00008 dma circuitry error 0x00010 hssi iom...

  • Page 150

    Chapter 10: cabletron mib 10-10 atx mib reference guide hwportstatus {hwentry 10} octet string read-only a 4 byte array, where each element represents the status of the port belonging to this module . Values of 01 (status-good) or hex ff (status-bad) are supported. For the packet processing engine, ...

  • Page 151

    Atx group atx mib reference guide 10-11 hwfirstport {hwentry 18} integer read-only the ifindex number of the first port which resides within this module. Hwfatalerr {hwentry 19} octet string read-only a 32 byte array which contains information about the cause of the module’s last unexpected self-res...

  • Page 152

    Chapter 10: cabletron mib 10-12 atx mib reference guide 0x08 csma/cd tp port 0x09 csma/cd bnc port 0x0a csma/cd fo port 0x0b csma/cd tp port with dual rj-45 jacks (one normal, one crossover). 0x0c csma/cd with internal digitized ethernet 0x20 token ring port with a shielded connector 0x21 token ring...

  • Page 153: 10.3.2

    Atx group atx mib reference guide 10-13 10.3.2 software configuration group sw {ecs-1 2} this attribute group supplies information which describes the software configuration of this particular atx. Swnumber {sw 1} integer read-only the number of file sets. This number is fixed as 2. Swfilesettable {...

  • Page 154

    Chapter 10: cabletron mib 10-14 atx mib reference guide swtypes {swfileset 5} octet string read-only the types of files within the file set. The size of swfiletypes may be determined by swcount, since 1 octet is required for each file. The possible file types are • none (0) - file not present • ppe-...

  • Page 155: 10.3.3

    Atx group atx mib reference guide 10-15 swflashbank {swfileset 9} integer read-only the bank number where the software file set resides. The possible values are: • first-bank (1) • second-bank (2) 10.3.3 unit administration group admin {ecs-1 3} this group contains the attributes for configuring the...

  • Page 156

    Chapter 10: cabletron mib 10-16 atx mib reference guide configanypass {config 2} display string read-write the authentication password (0-24 bytes) which must match the community name in an snmp pdu, in order for the operation to be performed. A zero length password indicates that any community name...

  • Page 157

    Atx group atx mib reference guide 10-17 0x0020 no_bpdu - if enabled, prevents bpdus from being transmitted and keeps ports in forwarding state (this is to provide interoperability with non-compliant ieee 802.1d implementations; however, if the physical topology has any loops, then lan segments will ...

  • Page 158

    Chapter 10: cabletron mib 10-18 atx mib reference guide configpowerpresent2 {config 11} boolean read-only whether the second power supply is present. Configalarmdynamic {config 12} boolean read-write whether changes in dynamic parameters (except for the dynamically learned addresses) should cause en...

  • Page 159: 10.3.3.2

    Atx group atx mib reference guide 10-19 configdumpmodule {config 19} integer read-write flag to select the module to dump on a crash. If set to a value of 1 to 7 the relevant module’s memory will be sent to the uart port on detecting a fatal error situation. A value of zero will disable the dump opt...

  • Page 160: 10.3.3.3

    Chapter 10: cabletron mib 10-20 atx mib reference guide 10.3.3.3 ppe configuration group ppe {admin 3} this attribute group permits customization and monitoring of the packet processing engine’s operational parameters. Ppelrguxrxcnt {ppe 1} integer read-write the number of large data buffers to allo...

  • Page 161

    Atx group atx mib reference guide 10-21 ppeextendstats {ppe 6} boolean read-write whether the ppe should accumulate extended statistics. Extended statistics are tallies, such as byte counts, which are not essential for everyday atx management, and which may have a slightly detrimental effect on perf...

  • Page 162

    Chapter 10: cabletron mib 10-22 atx mib reference guide ppestaticpreference {ppe 14} integer read-write the value to assign to iproutemetric2, when adding a statically-defined entry to the ip routing table. The route preference value for a static entry is 1. Note that for route preferences the small...

  • Page 163

    Atx group atx mib reference guide 10-23 ppeospfroutediscards {ppe 20} counter read-only number of times a route learned via ospf was not added to the ip routing table due to insufficient routing table space (currently always zero). Pperoutememorysize {ppe 21} counter read-only number of bytes origin...

  • Page 164

    Chapter 10: cabletron mib 10-24 atx mib reference guide ppeicmppdumemoryfailures {ppe 29} counter read-only number of unsuccessful attempts to allocate memory for an icmp pdu. Ppeicmppdumemoryallocs {ppe 30} counter read-only number of times memory was allocated for an icmp pdu. Pperippdumemoryfailu...

  • Page 165

    Atx group atx mib reference guide 10-25 ppetftppdumemoryallocs {ppe 38} counter read-only number of times memory was allocated for a tftp pdu. Ppetraceroutepdumemoryfailures {ppe 39} counter read-only number of unsuccessful attempts to allocate memory for a traceroute pdu. Ppetraceroutepdumemoryallo...

  • Page 166: 10.3.3.4

    Chapter 10: cabletron mib 10-26 atx mib reference guide 10.3.3.4 spanning tree group st {admin 4} these attributes define the atx wide parameters for the spanning tree protocol. Stgroupaddr {st 1} macaddress read-write the spanning tree group address, normally 01-80-c2-00-00-00. Changing stgroupaddr...

  • Page 167: 10.3.3.5

    Atx group atx mib reference guide 10-27 whether a topology change is currently in progress. Stactmaxage {st 11} obsolete stacthello {st 12} obsolete stactdelay {st 13} obsolete sttopchangecount {st 14} integer read-write number of spanning tree topology changes which have occurred, since the unit wa...

  • Page 168: 10.3.4

    Chapter 10: cabletron mib 10-28 atx mib reference guide meshcostchange {mesh 3} obsolete meshcostchangecount {mesh 4} obsolete meshcostchangetime {mesh 5} obsolete meshsubnet {mesh 6} obsolete 10.3.4 software distribution group swdis {ecs-1 4} this attribute group provides the means by which the nms...

  • Page 169

    Atx group atx mib reference guide 10-29 swdiswritestatus {swdis 3} integer read-only the status of the erase/write operation. The possible values are: • in-progress (1) - an operation is currently in progress • success (2) - the last operation completed successfully • config-error (3) - configuratio...

  • Page 170: 10.3.5

    Chapter 10: cabletron mib 10-30 atx mib reference guide 10.3.5 addresses configuration group addr {ecs-1 5} this attribute group allows the nms to examine the current address table entries, as well as to remove both static and learned entry information, or to add and modify pre-defined entry informa...

  • Page 171

    Atx group atx mib reference guide 10-31 if the addrflags field is returned with a value of zero, then the desired entry does not exist. To remove an entry completely, the nms must perform the following steps: step 1. Set addrmac with the desired mac address. (certain addresses will not be removed by...

  • Page 172

    Chapter 10: cabletron mib 10-32 atx mib reference guide if the nms wants to create a map of which devices exist on which lans, then the nms should read all of the dynamically learned addresses from all bridges, and use the spanning tree states of the bridges’ ports to determine the devices actual lo...

  • Page 173

    Atx group atx mib reference guide 10-33 addrmeshs {addr 4} counter read-only the number of atm, frame relay, and/or smds addresses in the address table. These addresses are not reflected within addrstatics nor addrdynamics. [atm, frame relay, and smds are not yet implemented.] addrdynamicoverflows {...

  • Page 174

    Chapter 10: cabletron mib 10-34 atx mib reference guide • entry-statistics = 24, if set then this is a dynamically learned customer address, which exists on one of the units ports; however, the address can not be used for packet forwarding decision making (e.G., the address was learned as part of a ...

  • Page 175

    Atx group atx mib reference guide 10-35 • entry-reserved = 12, if set then this is a reserved address, and the packets must be discarded. • bits 11-10 are reserved for future expansion. • bits 9-0 are reserved. Addrmac {addr 8} mac address read-write the mac address for this address definition. Addr...

  • Page 176

    Chapter 10: cabletron mib 10-36 atx mib reference guide addrtotalcount {addr 13} obsolete addrcost1 {addr 14} obsolete addrcost2 {addr 15} obsolete addrcost3 {addr 16} obsolete addrcost4 {addr 17} obsolete addrsource1 {addr 18} obsolete addrsource2 {addr 19} obsolete addrsource3 {addr 20} obsolete a...

  • Page 177

    Atx group atx mib reference guide 10-37 addrtxsource {addr 27} obsolete addrtxdestination {addr 28} obsolete addroldleast {addr 29} obsolete addroldtotal {addr 30} obsolete addroldsource1 {addr 31} obsolete addroldsource2 {addr 32} obsolete addroldsource3 {addr 33} obsolete addroldsource4 {addr 34} ...

  • Page 178

    Chapter 10: cabletron mib 10-38 atx mib reference guide addroperation {addr 41} integer read-write the operation to be performed upon the described address. The possibilities include: • read-random (1) • read-next (2) • zero-stats (3) • update (4) • delete (5) • read-block (6) addrindex {addr 42} in...

  • Page 179

    Atx group atx mib reference guide 10-39 addrrxpkts {addr 46} counter write-ignore the number of packets received from the address on a port that was in spanning tree learning or forwarding state (can be zeroed by zero-stats). Addrrxchars {addr 47} counter write-ignore the number of characters in the...

  • Page 180: 10.3.6

    Chapter 10: cabletron mib 10-40 atx mib reference guide addrblock {addr 53} octet string write-ignore a series of 0-700 octets, which represents 0-100 addresses. Each address consists of a 6 octet mac address followed by a 1 byte port number. If the port number is zero, then the address is that of a...

  • Page 181

    Atx group atx mib reference guide 10-41 snmpsmtupstreamdescriptor {snmpsmt 3} obsolete snmpsmtupstreamstate {snmpsmt 4} obsolete fddismttable {snmpsmt 5} not-accessible a list of snmpsmt entries, one per fddi board. Fddismtentry {fddismttable 1} not-accessible a set of objects for an interface entry...

  • Page 182: 10.3.7

    Chapter 10: cabletron mib 10-42 atx mib reference guide fddismtupstreamstate {fddismtentry 5} octet string read-only a four byte string containing the upstream neighbor’s station state parameter, as defined by the smt frame protocols. If the upstream neighbor has not yet been learned (i.E., snmpsmtu...

  • Page 183

    Atx group atx mib reference guide 10-43 the number of large data buffers for receiving packets; must be zero for csma and uart ports. Sifuxtxcnt {sifentry 4} integer read-write the maximum size of the port’s transmit queue, i.E., the number of packets that can be in the port’s transmit queue, waitin...

  • Page 184

    Chapter 10: cabletron mib 10-44 atx mib reference guide siffilterflags {sifentry 11} integer read-write special filter flags. The value can be one of the following: 0x0000 default turns the filter off 0x0001 no_source_same, broadcast all packets from this port that have identical source and destinat...

  • Page 185

    Atx group atx mib reference guide 10-45 0x0002 tbridge - shows if the port is enabled for transparent ieee 802.1d bridging (see sprotobridge) 0x0004 sbridge - shows if the port is enabled for source routing mac bridging (see sprotobridge) 0x0006 srtbridge - shows if the port is enabled for source ro...

  • Page 186

    Chapter 10: cabletron mib 10-46 atx mib reference guide sifcongested {sifentry 17} boolean read-only whether the port is out-band congested. Sifstate {sifentry 18} obsolete sifdesigcost {sifentry 19} obsolete sifdesigroot {sifentry 20} obsolete sifdesigbridge {sifentry 21} obsolete sifdesigport {sif...

  • Page 187

    Atx group atx mib reference guide 10-47 • outcome_local =5, packet filtered (local traffic, or the destination was the atx itself) - note that outcome_local + dest_unknown (or + dest_multi for packets received on ports running the ppp protocol) indicates that the packet has been temporarily queued p...

  • Page 188

    Chapter 10: cabletron mib 10-48 atx mib reference guide siftxpackets {sifentry 30} octet string read-only a 20 byte array, containing the number of transmitted packets broken down into 5 categories. The number of packets in each category is encoded as a series of 4 bytes, which should be converted i...

  • Page 189

    Atx group atx mib reference guide 10-49 siflan {sifentry 38} integer read-write up to four group identifiers assigned to the port. This variable is used to specify port groups; the first port group entry is put into the highest order byte and all other entries follow from high order to low order. Th...

  • Page 190

    Chapter 10: cabletron mib 10-50 atx mib reference guide sifexpectsqe {sifentry 43} boolean read-write whether the port should expect sqe, also known as “heartbeat” (not applicable for ports other than csma/cd ports). Siffilterlocal {sifentry 44} boolean read-write whether the port should attempt to ...

  • Page 191: 10.3.8

    Atx group atx mib reference guide 10-51 10.3.8 cabletron fddi interfaces group sfddi {ecs-1 8} this group contains the cabletron specific characteristics for fddi interfaces. Sfdditable {sfddi 1} not-accessible a list of interface entries; one per fddi port. Sfddientry {sfdditable 1} not-accessible ...

  • Page 192

    Chapter 10: cabletron mib 10-52 atx mib reference guide sfddirbcerrcnts {sfddientry 7} counter read-only the number of rbc errors (fiom mib only). Sfddirbcerrvalue {sfddientry 8} integer read-only detailed status of the last rbc error (fiom mib only). Sfdditxasync {sfddientry 9} integer read-write n...

  • Page 193

    Atx group atx mib reference guide 10-53 0x00000200 lost, recognition that this station’s transmitted frame was lost in the course of its circulation around the ring 0x00000400 restricted, any time the r_flag goes from reset to set; usage of this bit is reserved for future applications 0x00000800 con...

  • Page 194

    Chapter 10: cabletron mib 10-54 atx mib reference guide sfddismtconditionsstatus {sfddientry 13} integer read-write requested smt conditions which are currently present (see sfddismtconditions). Writing to sfddismtconditionsstatus is used to acknowledge the snmp traps (refer to chapter 11). Sfddisrf...

  • Page 195

    Atx group atx mib reference guide 10-55 sfddistationdescriptor {sfddientry 22} octet string read-only a four byte string containing the fddi port’s station descriptor parameter, as defined by the smt frame protocol. Sfddistationstate {sfddientry 23} octet string read-only a four byte string containi...

  • Page 196: 10.3.9

    Chapter 10: cabletron mib 10-56 atx mib reference guide 10.3.9 cabletron uart interface group suart {ecs-1 9} this group contains the cabletron specific characteristics for uart interfaces. Suarttable {suart 1} not-accessible a list of interface entries; one per uart port. Suartentry {suarttable 1} ...

  • Page 197: 10.3.10

    Atx group atx mib reference guide 10-57 suartmodem {suartentry 3} integer read-write the expected modem signals; definitions of the different values are tbd. Suartipneighboraddress {suartentry 4} reserved for future use suartpppactive {suartentry 5} reserved for future use suartalignmenterrors {suar...

  • Page 198

    Chapter 10: cabletron mib 10-58 atx mib reference guide step 2. Issue a getrequest for the fields within {filterentry 1} to read the first combination filter. If it is for the desired port, then retain the information. Step 3. Continue issuing getrequests for the fields within the remaining combinat...

  • Page 199

    Atx group atx mib reference guide 10-59 the filter group consists of the following parameters: filtermaxcount {filter 1} integer read-only the maximum number of combination filters that may be defined for the atx. This is always 100. Filtercurrentcount {filter 2} integer read-only the number of comb...

  • Page 200

    Chapter 10: cabletron mib 10-60 atx mib reference guide filtertable {filter 7} not-accessible a list of combination filters; one per defined filter. If fewer than filtermaxcount filters have been defined, then an additional filterentry exists, which is used as part of the sequence for defining a new...

  • Page 201

    Atx group atx mib reference guide 10-61 • bit 12 used for filteroffset if set, the filteroffset field applies to the data beginning from past the ip header, rather than from the start of the translated packet. (the packet must be an ip packet with a valid ip header; if the packet is fragmented, then...

  • Page 202

    Chapter 10: cabletron mib 10-62 atx mib reference guide filterframe {filterentry 6} integer read-write ethernet protocol type (1501-65535), or one (1) to indicate any 802 frame (i.E., those frames which would be forwarded in 802.3 format, when the destination lan is csma/cd), or two (2) to indicate ...

  • Page 203

    Atx group atx mib reference guide 10-63 filteroffset {filterentry 14} integer read-write zero-based offset of an arbitrary field within the packet. Depending upon the value of filterflags, the offset is relative to the start of the translated packet, beginning with the big endian mac addresses; or, ...

  • Page 204: 10.3.11

    Chapter 10: cabletron mib 10-64 atx mib reference guide filterpktcnts {filterentry 20} counter read-only the total number of packets which were discarded due to this filter. Under some circumstances when packets are not forwarded (e.G., local traffic, or packets that are addressed to the atx itself ...

  • Page 205

    Atx group atx mib reference guide 10-65 rebootindex {rebootentry 1} integer read-only the slot number, beginning with 1 for the first slot. This number always matches the instance of the rebootentry. For example, {rebootindex 3} contains the value “3”. Reboottype {rebootentry 2} integer read-write t...

  • Page 206: 10.3.12

    Chapter 10: cabletron mib 10-66 atx mib reference guide 10.3.12 debug command group debug {ecs-1 12} this attribute group provides access to the built-in debugging resources. Access to these functions requires the use of the configanypass. To examine a atx’s memory, the nms must perform the followin...

  • Page 207

    Atx group atx mib reference guide 10-67 step 4. Set debugoperation with the “debug_modify” value. All of the above “sets” must be performed in a single setrequest pdu, with debugoperation being the last parameter. This will cause the atx to modify the desired memory locations, update the debuglength...

  • Page 208: 10.3.13

    Chapter 10: cabletron mib 10-68 atx mib reference guide debugbase {debugentry 3} integer read-write the base address of the memory region to be examined or modified. Debuglength {debugentry 4} integer read-write the desired length, in words, of the memory region to be examined or modified. After the...

  • Page 209

    Atx group atx mib reference guide 10-69 step 2. Wait for the getresponse pdu. If the port is not disabled (refer to ifoperstatus), then a generic link down trap pdu may be generated. Step 3. If the getresponse did not indicate an error, then wait for (and acknowledge) the enterprise specific trap th...

  • Page 210

    Chapter 10: cabletron mib 10-70 atx mib reference guide lpbkindex {lpbkentry 1} integer read-only the port number, beginning with 1 for the first port. Lpbkoperation {lpbkentry 2} integer read-write the type of loopback being performed. Setting lpbkoperation to loopback-off causes loop back operatio...

  • Page 211

    Atx group atx mib reference guide 10-71 lpbkgoods {lpbkentry 8} counter read-only the number of packets successfully looped back. This number is automatically reset to zero, whenever loopback operation is initiated. Lpbkerrornoreceives {lpbkentry 9} counter read-only the number of packets which were...

  • Page 212: 10.3.14

    Chapter 10: cabletron mib 10-72 atx mib reference guide 10.3.14 cabletron wan interface group swan {ecs-1 14} this group contains the cabletron specific characteristics for wan interfaces. Swantable {swan 1} not-accessible a list of interface entries; one per wan port. Swanentry {swantable 1} not-ac...

  • Page 213

    Atx group atx mib reference guide 10-73 swanoverrunerrors {swanentry 7} counter read-only number of received packets with data overrun errors, since the port was last enabled. Swanporttype {swanentry 8} obsolete swanlinkcost {swanentry 9} obsolete swanmeshstate {swanentry 10} obsolete swanlinksubnet...

  • Page 214: 10.3.15

    Chapter 10: cabletron mib 10-74 atx mib reference guide 10.3.15 cabletron repeater interface group srptr {ecs-1 15} this entire group is obsolete. 10.3.16 cabletron repeater interface group srepeater {ecs-1 16} this group contains the cabletron specific characteristics for csma/cd interfaces which h...

  • Page 215

    Atx group atx mib reference guide 10-75 srepeaterextendedstats {srepeaterentry 3} integer read-only when enabled (1) the rptrmon, rptrmonport, and rptraddrtrack tables are available. The unit’s packet processing performance may be slightly degraded due to the extra processing required, although the ...

  • Page 216: 10.3.17

    Chapter 10: cabletron mib 10-76 atx mib reference guide 10.3.17 cabletron protocol group sproto {ecs-1 17} this group specifies which protocols apply to each interface and allows configuration of bridging-translation between token ring and ethernet for various protocols. Sprototable {sproto 1} not-a...

  • Page 217

    Atx group atx mib reference guide 10-77 sprotobridge {sprotoentry 2} integer read-write this variable defines the bridging method to be applied to frames received from, or destined to, this port. Ethernet and fddi ports may be configured for: • transparent (1) • srt (3) • none (4) token ring ports m...

  • Page 218

    Chapter 10: cabletron mib 10-78 atx mib reference guide sprotoappleroute {sprotoentry 6} integer read-write specifies whether or not this port is to be used for appletalk routing. Either: • enabled (1) • disabled (2) sprotoarptranslate {sprotoentry 7} integer read-write these options are intended to...

  • Page 219

    Atx group atx mib reference guide 10-79 sprotoipxtranslate {sprotoentry 9} integer read-write specifies whether, when bridging novell ipx frames, they are to be translated to ethernet-like frame format. This option applies only to token ring ports. Either: • enabled (1) • disabled (2) sprotoappletra...

  • Page 220

    Chapter 10: cabletron mib 10-80 atx mib reference guide sprotoospf {sprotoentry 14} integer read-write specifies whether the internet open shortest path first protocol is to be used over this port. Only valid if sprotoiproute is enabled (not currently supported). Either: • enabled (1) • disabled (2)...

  • Page 221: 10.3.18

    Atx group atx mib reference guide 10-81 • none (4) if passrif (1), the frame is bridged as is, with route discovery proceeding as expected. This option allows non-source routing (e.G., ethernet) netbios hosts to communicate transparently. If striprif (2), then the routing information field is stripp...

  • Page 222

    Chapter 10: cabletron mib 10-82 atx mib reference guide sipxifindex {sipxifentry 1} integer read-only identifies the interface (port) to which this entry’s information belongs. The value of this variable corresponds to ifindex, as well as to most of the other port identification values in related mi...

  • Page 223: 10.3.18.2

    Atx group atx mib reference guide 10-83 sipxifinsappkts {sipxifentry 6} counter read-only number of ipx service advertising protocol packets received on this interface. Sipxifoutsappkts {sipxifentry 7} counter read-only number of ipx service advertising protocol packets transmitted on this interface...

  • Page 224: 10.3.18.3

    Chapter 10: cabletron mib 10-84 atx mib reference guide sipxroutehopcount {sipxrouteentry 4} integer read-only the secondary routing metric for this route, which is the number of routers that must be traversed to reach the destination. Sipxroutenexthop {sipxrouteentry 5} octet string read-only the i...

  • Page 225: 10.3.19

    Atx group atx mib reference guide 10-85 sipxsapnetwork {sipxsapentry 4} octet string read-only the ipx network address of the server providing the indicated service. Sipxsapnodeid {sipxsapentry 5} octet string read-only the ipx node address of the server. With netware 2.X, this corresponds to a phys...

  • Page 226

    Chapter 10: cabletron mib 10-86 atx mib reference guide srtrdiscentry {srtrdisctable 1} not-accessible srtrdiscifindex {srtrdiscentry 1} integer read-only identifies the interface (port) to which this entry’s information belongs. The value of this variable corresponds to ifindex, as well as most of ...

  • Page 227: 10.3.20

    Atx group atx mib reference guide 10-87 10.3.20 ip multicasting group sipm {ecs-1 20} sipmroutetable {sipmroute 1} not-accessible the (conceptual) table listing the origin routes that this router learns from neighboring routers and from initial installations of directly-connected routes. Origin is d...

  • Page 228: 10.3.20.1

    Chapter 10: cabletron mib 10-88 atx mib reference guide sipmrouteparents {sipmrouteentry 6} octet string read-only the bitmapped incoming port (s) for which this origin is learned. This is an octet string of length 8. The least significant bit of the eighth octet is port 0. The least significant bit...

  • Page 229: 10.3.20.2

    Atx group atx mib reference guide 10-89 10.3.20.2 ip multicast stat table sipmstattable {sipmstat 2} not-accessible the table containing multicast routing statistics for ip datagrams on a per port basis. Sipmstatentry {sipmstattable 1} not-accessible an entry containing the multicast routing statist...

  • Page 230

    Chapter 10: cabletron mib 10-90 atx mib reference guide sipcktentry {sipckttable 1} not-accessible defines the attributes of a binding of ip address and network to physical interface. Sipcktindex {sipckentry 1} integer read-write identifies the physical interface. Identical to ifindex. Sipcktipaddre...

  • Page 231: 10.3.22

    Atx group atx mib reference guide 10-91 10.3.22 sipnettomedia table sipnettomediatable {ecs-1 22} not-accessible an extension to the standard ipnettomedia table, containing other arp cache attributes, specifically the current source route to the destination. Sipnettomediaentry {sipnettomediatable 1}...

  • Page 232

    Chapter 10: cabletron mib 10-92 atx mib reference guide strunkentry {strunktable 1} not-accessible an entry exists for in this table for each physical interface (port) that is configured for trunking. Strunkifindex {strunkentry 1} integer read-only identifies the physical interface (port) which is c...

  • Page 233

    Atx group atx mib reference guide 10-93 strunklasterror {strunkentry 5} integer read-only the reason for failure when the link is in closed, oneway, or helddown state. Values include: • none (1) – no error; the trunking protocol may re-start with no error conditions when trunking is turned on for a ...

  • Page 234: 10.3.24

    Chapter 10: cabletron mib 10-94 atx mib reference guide strunklinkcount {strunkentry 7} integer read-only the number of links with the trunk group. Strunklastchange {strunkentry 8} integer read-only the number of seconds since strunkstate changed. 10.3.24 ip multicast route ipm {ecs-1 26} ipmrouteen...

  • Page 235

    Atx group atx mib reference guide 10-95 ipmroutesourcemask {ipmrouteentry 3} not-accessible the network mask of the source address for which this entry contains multicast routing information. Ipmrouterpfneighbor {ipmrouteentry 4} ip address read-only the address of the rpf neighbor from which ip dat...

  • Page 236: 10.3.24.1

    Chapter 10: cabletron mib 10-96 atx mib reference guide ipmrouterpffails {ipmrouteentry 10} counter read-only the number of packets which this router has received from this source and addressed to this multicast group address, which were not received from the interface indicated by ipmrouteinifindex...

  • Page 237: 10.3.24.2

    Atx group atx mib reference guide 10-97 ipmroutenexthopstate {ipmroutenexthopentry 3} integer read-only an indication of whether the outgoing interface and next hop represented by this entry is currently being used to forward ip datagrams. The value “forwarding” (2) indicates it is currently being u...

  • Page 238: 10.3.25

    Chapter 10: cabletron mib 10-98 atx mib reference guide ipmrouteinterfacettl {ipmrouteinterfaceentry 2} integer read-write the datagram ttl threshold for the interface. Any ip multicast datagrams with a ttl less than this threshold will not be forwarded out the interface. The default value of 0 mean...

  • Page 239

    Atx group atx mib reference guide 10-99 igmpcacheentry {igmpcachetable 1} not-accessible an entry (conceptual row) in the igmpcachetable. Igmpcacheaddress {igmpcacheentry 1} ip address not-accessible the ip multicast group address for which this entry contains information. Igmpcacheifindex {igmpcach...

  • Page 240: 10.4

    Chapter 10: cabletron mib 10-100 atx mib reference guide 10.4 appletalk group this group contains information relevant to cabletron’s implementation of appletalk routing. Atext {sigma 6} atextsystem {atext 1} atextport {atext 2} atextsysoperstate {atextsystem 1} integer read-write the operational st...

  • Page 241

    Appletalk group atx mib reference guide 10-101 atextportnetaddress {atextportentry 4} octet string read-only the appletalk network address configured for this port. Atextportzone {atextportentry 5} octet string read-only the default zone name configured for this appletalk port. Atextportziptable {at...

  • Page 242

    Chapter 10: cabletron mib 10-102 atx mib reference guide.

  • Page 243: Chapter 11

    Atx mib reference guide 11-1 chapter 11 traps the unit sends trap pdus to the nms, using the pre-configured nms ip address (see confignmsaddress). If no address has been pre-configured, then the unit sends the traps to the source ip address of the last snmp datagram received from an nms. If no addre...

  • Page 244: 11.2

    Chapter 11: traps 11-2 atx mib reference guide • egpneighborloss (5) – not used by the unit. • enterprisespecific (6) – the unit is reporting some interesting information, which is contained in the “variable-bindings” portion of the pdu. If the unit has been configured to require acknowledgments to ...

  • Page 245: 11.3

    Priority 1 traps atx mib reference guide 11-3 • hwdiagstatus – included for any module which is not present or has failed power-up diagnostics. • hwdiagcode – included for any module which has a non-zero value to report. • hwtype – included for any module which passed power-up diagnostics, but whose...

  • Page 246

    Chapter 11: traps 11-4 atx mib reference guide • rptrbashealthstate – sent whenever the operational state of the repeater has changed. • hwdiagstatus – sent whenever a module’s diagnostics have completed (or a module’s diagnostics were started but never completed), except for the initial diagnostics...

  • Page 247

    Priority 1 traps atx mib reference guide 11-5 • configpowerdc1 – sent whenever the dc output of the unit’s first power supply transitions from on to off, and vice versa. • configpowerdc2 – sent whenever the dc output of the unit’s second power supply transitions from on to off, and vice versa. • con...

  • Page 248

    Chapter 11: traps 11-6 atx mib reference guide • swdiswritestatus – sent when a bank of flash eprom has been erased. If swdiswritestatus indicates success, then the unit is ready to be downloaded with the new software. The following parameters are also included: - swdisdesc • swdisdesc – sent in con...

  • Page 249

    Priority 1 traps atx mib reference guide 11-7 • sifrxqueues – sent whenever the number of times that the port’s receiver has stopped receiving packets due to buffer space shortages has exceeded the port’s limit. See sifrxqueuethresh and sifrxqueuethreshtime. • siftxstormflag – sent whenever multicas...

  • Page 250: 11.4

    Chapter 11: traps 11-8 atx mib reference guide • ipbkoperation – sent whenever the unit has finished a loop back test, or a loop back error has been detected. The following parameters are also included: - lpbkerrornoreceives – sent in conjunction with lpbkoperation; this variable does not need to be...

  • Page 251: Appendix A

    Atx mib reference guide a-1 appendix a packet translation procedure when you are setting up filters, if you choose to use the offset field, it’s helpful to know the header packet formats. Diagrams of the ip, udp, and tcp headers are provided here for your reference. Figure a-1 ip header figure a-2 u...

  • Page 252

    Appendix a: packet translation procedure a-2 atx mib reference guide figure a-3 tcp header (after ip header) acknowledgment number window options (if any)... Padding (if necessary) source port destination port sequence number header length reserved plus code bits.