78
2. Configure Router B:
Follow the same procedures to configure Router B.
Connecting routers through ISDN BRI lines running NI
Network requirements
As shown in Figure 19, Router A is connected to Router B through NI protocol of ISDN BRI lines.
Figure 19 Network diagram
Configuration procedure
1. Configure Router A:
# Configure the dialing parameters on ISDN BRI interface.
<RouterA> system-view
[RouterA] interface bri 2/0
[RouterA-Bri2/0] ip address 202.38.154.1 255.255.0.0
[RouterA-Bri2/0] dialer enable-circular
[RouterA-Bri2/0] dialer route ip 202.38.154.2 8810154
[RouterA-Bri2/0] dialer-group 1
[RouterA-Bri2/0] quit
[RouterA] dialer-rule 1 ip permit
# Configure ISDN NI protocol parameters to make the B channel of BRI interface support static
SPID value, and set the negotiation message to be resent twice when no reply exists.
[RouterA] interface bri 2/0
[RouterA-Bri2/0] isdn protocol-type ni
[RouterA-Bri2/0] isdn spid1 12345
[RouterA-Bri2/0] isdn spid2 23456
[RouterA-Bri2/0] isdn spid resend 2
2. Configure Router B:
Follow the same procedures to configure Router B.
Using ISDN BRI leased lines to implement MP bundling
Network requirements
As shown in Figure 20, Router A is connected to Router B through two BRI leased lines, which are
used for MP bundling.
ISDN network
BRI2/0
202.38.154.1/16
8810152
BRI2/0
202.38.154.2/16
8810154
Router A
Router B
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