Tahoe 971 User Manual - Configuring The Frame Relay
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3.3.3.
CRC4 checksum
The command below enables and disables, respectively, the CRC4
checksum transmission:
sethdlc hdlc0 crc4 on
sethdlc hdlc0 crc4 off
3.3.4.
Port range and sensivity selection
The command below switches betweed short haul (50m range)
and long haul (2000m range) mode:
sethdlc hdlc0 short
sethdlc hdlc0 long
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4.
Configuring the Frame Relay
After setting up a connection to the Frame Relay network, user is
usually supplied with following information:
LMI signaling:
ANSI
DLCI number:
99
Remote router address: 194.204.100.129
Client router address: 194.204.100.130
WAN link subnet:
194.204.100.128
Subnet mask:
255.255.255.252
After compiling and installing the drivers described below
commands should be issued to configure the Frame Relay access - set
the LMI signaling and create the PVC interface.
4.1.
Linux
sethdlc hdlc0 fr lmi ansi
sethdlc hdlc0 create 99
ifconfig hdlc0 up
A new pvc0 interface would appear. It should be configured using
the ifconfig command to set supplied IP addresses:
ifconfig pvc0 194.204.100.130 netmask 255.255.255.252
pointopoint 194.204.100.129
4.2.
FreeBSD
ifconfig th0 up
sethdlc th0 fr lmi ansi
sethdlc th0 create 99
A new pvc99 interface would appear. It should be configured
using the ifconfig command:
ifconfig pvc99 194.204.100.130 194.204.100.129
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