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Bridging between Cisco 2500s

I have two Cisco 2500s with the intent to bridge IP between. I'm using two external CSU/DSUs as line drivers for each end. When all is coupled together(eth0 and s0 on both)and the following router configurations, I'm unable to pass IP traffic, but everything shows up|up.

+++++++++++++++++++++++++++++++++++

Router A

Using 565 out of 32762 bytes

!

version 12.1

service timestamps debug uptime

service timestamps log uptime

no service password-encryption

!

hostname

!

enable secret xxxx

!

!

!

!

!

ip subnet-zero

no ip finger

!

!

!

!

interface Ethernet0

ip address 192.168.1.118 255.255.255.0

bridge-group 1

!

interface Serial0

no ip address

!

interface Serial1

no ip address

shutdown

!

ip classless

no ip http server

!

bridge 1 protocol ieee

!

!

end

+++++++++++++++++++++++++++++++++++++

Router B

Using 499 out of 32762 bytes

!

version 11.2

no service password-encryption

no service udp-small-servers

no service tcp-small-servers

!

hostname

!

!

!

interface Ethernet0

ip address 192.168.1.117 255.255.255.0

bridge-group 1

!

interface Serial0

no ip address

!

interface Serial1

no ip address

shutdown

!

interface TokenRing0

no ip address

shutdown

!

ip default-gateway 192.168.2.2

no ip classless

bridge 1 protocol ieee

!

What am I missing here? From all I've read it should bridge just fine.

Thanks. -Tom

2 REPLIES
New Member

Re: Bridging between Cisco 2500s

no ip routing

int se 0

bridge-group 1

New Member

Re: Bridging between Cisco 2500s

Thanks.

That was the trick.

-Tom

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