trunking and bridging vlans over serial int.

[CiscoGuy79]

this is our setup:
4000series--FA0/0.1 and0/0.2-->3745router-s3/0--->Promina--->Promina--s3/0-->3745router---fa0/0.1 and 0/0.2---1st2950---2nd2950 for vlan 2

router 1 config
Current configuration : 1332 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname router1
!
boot-start-marker
boot-end-marker
!
enable secret 5
no aaa new-model
ip subnet-zero
!
!
ip cef
!
!
!
!
!
!
!
!
!
!
!
!
!
bridge irb
!
!
!
interface FastEthernet0/0
no ip address
duplex auto
speed auto
!
interface FastEthernet0/0.1
encapsulation dot1Q 1
bridge-group 1
!
interface FastEthernet0/0.2
encapsulation dot1Q 2
bridge-group 1
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial1/0
no ip address
serial restart-delay 0
bridge-group 1
!
interface Serial1/1
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
!
interface BVI1
ip address 192.168.1.2 255.255.255.0
!
no ip http server
ip classless
!
!
bridge 1 protocol ieee
bridge 1 route ip
!
!
!
!

!
end

router1#

Router 2 is the exact same except the ip address is 192.168.1.5 255.255.255.0

no the weird thing that is happening is when i add vlan 2 to the first routers fa0/0 I cannot ping anything on vlan 1 but I can ping to it from the 4000 and I can telnet to it but once i'm telneted to it i can't ping out anywhere from the router but i can ping router2. I made it work leaving it trunked but adding vlan 2 to bridge-group 2 but then i have to use another serial int which takes up more bandwidth on the promina and another usable slot.

 

[lui3]

can you create seperate serial subinterfaces and place them in bridge groups matching the eth bridge groups?

vlan encapsulation on the ethernet side is only necessary so that the switch can map traffic to the correct "colored" port

Lui3
CCNP,CCDA,A+/Net+
Cisco Wireless Specialization

 

[CiscoGuy79]

lui3 I tried that first but you when you creat subinterfaces on a serial port bridge groups is not an option. And this is what i'm trying to avoid is using two serial ports for this task.

thanks in advance
nathan

 

[Ru55ell]

Do you have to have it another VLAN. Try using/assigning a secondary IP address.