[c-nsp] 2600 to 2600 via t1 config question

[Jeff Crowe]

Hi all,

I am trying to configure bridging via t1 on two cisco 2600's sitting back to
back.  Here is a brief outline of what I am trying to accomplish:

Router A: 
FE 0/0: 1.2.3.4/24 (publicly routable)
S0/0: encapsulation frame relay
S0/0.1 ptp: 172.20.0.1/30 dlci 100 
S0/0.2 ptp: 5.6.7.8/30 (peering address) dlci 101 bridge-group 2

Router B:
FE 0/0: no ip - bridged ethernet connection - bridge-group 2
S0/0: encapsulation frame relay
S0/0.1 ptp: 172.20.0.2/30 dlci 100 bridge-group 1
S0/0.2 ptp: unnumbered - bridged to ethernet bridge-group 2

PC: 
ETH: 5.6.7.9/30 connected to Router B FE 0/0.


My serial and sub interfaces come up.  I am able to ping from Router A to
172.20.0.2, and ping from Router B to 172.20.0.1.  I cannot however ping
from the PC at 5.6.7.9 to Router A 5.6.7.8.

I can see the routes being installed in router A for both interfaces (0.1
and 0.2).

Can someone tell me what step I am missing to forward the packets on Router
B from the FE 0/0 interface and have them go across S0/0.2 to hit Router A
on S0/0.2?


Here are the relevant configs:

Router A config:

hostname RouterA
!
ip cef
!
frame-relay switching
!
interface FastEthernet0/0
 ip address 1.2.3.4 255.255.255.0
 duplex auto
 speed auto
 bridge-group 1
!
interface Serial0/0
 no ip address
 encapsulation frame-relay IETF
 no fair-queue
 bridge-group 1
!
interface Serial0/0.1 point-to-point
 ip address 172.20.0.1 255.255.255.252
 frame-relay interface-dlci 100
 bridge-group 1
!
interface Serial0/0.2 point-to-point
 ip address 5.6.7.8 255.255.255.252
 frame-relay interface-dlci 101
!
bridge 1 protocol ieee
bridge 2 protocol ieee

################################

Router B config:

hostname RouterB
!
frame-relay switching
!
interface Ethernet0/0
 no ip address
 bridge-group 2
!
interface Serial0/0
 no ip address
 encapsulation frame-relay IETF
 no fair-queue
 frame-relay intf-type dce
 bridge-group 1
!
interface Serial0/0.1 point-to-point
 ip address 172.20.0.2 255.255.255.252
 frame-relay interface-dlci 100
 bridge-group 1
!
interface Serial0/0.2 point-to-point
 frame-relay interface-dlci 101
 bridge-group 2
!
bridge 1 protocol ieee
bridge 2 protocol ieee

################################

PC is set to 5.6.7.9/30.



Thanks,

Jeff