Cabletron Systems CSX100 series User Manual - page 50
ISDN Router
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Internal Network Number
It is a logical network number that identifies an individual Novell server.
It is needed to specify a route to the services (i.e. file services, print
services) that Novell offers. It must be a unique number.
External Network (a.k.a. IPX Network Number)
It refers to a physical LAN/wire network segment to which servers,
routers, and PCs are connected (Ethernet cable-to-router segment). It
must be a unique number. Number
WAN Network Number
Important: This number is not part of the routing information.
This number identifies the WAN segment between the two routers only.
Note that only one router needs to have the WAN Network Number
configured. The other router will learn it.
SAP (Service Advertisement Protocol)
SAP entries should reflect primary logon servers for the clients on the
local LAN. Only the servers on the remote side of the link have to be
entered. Local servers do not need to be entered.
Frame type
With local servers on your LAN, make sure to select the proper frame
type for the IPX network number. To determine this, consult with your
network administrator. When you have only NetWare clients on your
LAN, leave the default (802.2) selected as most clients support any type.
The frame type choices are:
802.2 Default recommended by Novell
802.3 Other most common type
DIX For DEC, Intel, Xerox; this setting is also referred to
as “Ethernet II”, and is rapidly becoming obsolete.