Hi all,
I have a core router connected to 2 other regional
routers, with only 1 ISDN backup. The config is as
below:
Unfortunately these 2 regional routers down at the
same time and both keep trying to dial up the ISDN
line. The result is both of them unable to get the
connection. What should I do at the very first step?
Pls advice. Thanks
Router1
interface Serial0/0
backup delay 0 10
backup interface BRI0/0
ip address 172.200.100.50 255.255.255.252
no ip mroute-cache
service-policy output llq
ip rtp header-compression
!
interface BRI0/0
ip address 172.200.95.3 255.255.255.240
encapsulation ppp
dialer map ip 172.200.95.1 name Router_CORE broadcast
12345678
dialer load-threshold 20 outbound
dialer-group 1
isdn switch-type basic-net3
ppp authentication chap
Router2
interface Serial0/0
backup delay 0 10
backup interface BRI0/0
ip address 172.200.100.54 255.255.255.252
no ip mroute-cache
service-policy output llq
ip rtp header-compression
!
interface BRI0/0
ip address 172.200.95.2 255.255.255.240
encapsulation ppp
dialer map ip 172.200.95.1 name Router_CORE broadcast
12345678
dialer load-threshold 20 outbound
dialer-group 1
isdn switch-type basic-net3
ppp authentication chap
Router_CORE
interface BRI4/0
ip address 172.200.95.1 255.255.255.240
encapsulation ppp
dialer map ip 172.200.95.2 name Router1 broadcast
dialer map ip 172.200.95.3 name Router2 broadcast
dialer-group 1
isdn switch-type basic-net3
ppp authentication chap
hold-queue 75 in
regards
alvin chong
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