What does your route table show on both routers? Mark
> I have a 3640 router (Pri rate Interface / backup ISDN interfaces) that is > not performing as I thought it would...One of the channelised interfaces > went down yesterday and the backup ISDN for that line kicked in, however I > could no longer ping into the remote site once the backup came up - The > remote router is a 1720. > I could ping from router to router (In both directions). > I could not ping from a client in Site A to router in Site B, or beyond. > I could not ping from a client in Site B to router in Site A, or beyond. > > Below is part of the config: > > SITE A - 3640 > > interface FastEthernet0/0 > ip address 192.168.25.25 255.255.255.0 > > duplex auto > > speed 100 > > no cdp enable > > > interface Serial0/0:1 > > bandwidth 128 > > backup delay 20 20 > > backup interface BRI1/1 > > ip unnumbered FastEthernet0/0 > > no ip directed-broadcast > > encapsulation ppp > > fair-queue 64 256 0 > > no cdp enable > > > > interface BRI1/1 > > ip unnumbered FastEthernet0/0 > > no ip directed-broadcast > > encapsulation ppp > > dialer idle-timeout 300 > > dialer string XXXXXXXX > > dialer hold-queue 20 > > dialer-group 1 > > isdn switch-type basic-net3 > > no cdp enable > > ppp authentication chap > > > > ip route 192.1.1.0 255.255.255.0 Serial0/0:1 > > ip route 192.1.1.0 255.255.255.0 BRI1/1 50 > > > > access-list 100 permit ip any any > > access-list 100 permit icmp any any > > dialer-list 1 protocol ip list 100 > > > > SITE B - 1720 > > > > interface BRI0 > ip unnumbered FastEthernet0 > encapsulation ppp > dialer idle-timeout 300 > dialer string XXXXXXX > > dialer hold-queue 50 > dialer-group 1 > isdn switch-type basic-net3 > ppp authentication chap > ! > interface FastEthernet0 > ip address 192.1.1.25 255.255.255.0 > speed auto > ! > interface Serial0 > bandwidth 128 > backup delay 20 20 > backup interface BRI0 > ip unnumbered FastEthernet0 > ! > ip classless > ip route 192.168.25.0 255.255.255.0 Serial0 > ip route 192.168.25.0 255.255.255.0 BRI0 50 > no ip http server > ! > access-list 100 permit ip any any > access-list 100 permit icmp any any > dialer-list 1 protocol ip list 100 > > > > Can anyone out there see anything obviously wrong with the above config.... > > > > Thanks in advance. > > > > Derek Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=62577&t=62568 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
