
Configuration Examples
308621-14.00 Rev 00
B-25
Configuring Dial Backup Using the BCC
The following section explains how to configure dial backup with PPP on the
primary line using the BCC (Figure B-5
on page B-25). You would follow similar
steps to configure Nortel Networks Standard on the primary line.
Configuration of Router 1
To create the dial backup configuration in Figure B-5
on page B-24, configure
router 1 as follows:
1.
Enter configuration mode:
bcc>
config
2.
Configure a leased synchronous interface with PPP on serial interface
slot 1, connector 1:
box#
serial 1/1
serial/1/1#
ppp
ppp/1/1#
ip 129.122.3.1/255.255.255.0
ip/192.122.3.1/255.255.255.0#
box
3.
Create a dial object for serial interface slot 5, connector 1. PPP is the
default protocol.
box#
serial 5/1
serial/5/1#
dial
dial/serial/5/1#
box
4.
Create a backup pool with pool ID 22, then create a backup line on the
serial interface you created in step 3. Add this line to the backup pool.
box#
backup-pool 22
backup-pool/22#
backup-line serial/5/1
5.
Configure a backup circuit for the leased circuit ppp/1/1. Also, set the
backup mode to initiator.
backup-line/22/serial/5/1#
cwc; serial 1/1; ppp
ppp/1/1#
backup-circuit pool-id 22 backup-mode initiator
This circuit uses backup lines configured in the backup pool 22. The
backup-mode
parameter is set to initiator, so router 2’s backup-mode must be
set to receiver for proper operation.
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