From: Brian Dennis (brian@5g.net)
Date: Tue Sep 10 2002 - 22:46:44 GMT-3
Think about how a bridge normally forwards packets. Does a bridge
normally forward packets out the same interface that they are received
on? The answer of course is no. This being the case, why would you
expect R3 to forward packets out the same interface (Serial0/1) it was
received on?
With this in mind you should be able to come up with a few solutions.
Brian Dennis, CCIE #2210 (R&S/ISP Dial)
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Guoqi Cui
Sent: Tuesday, September 10, 2002 6:14 PM
To: ccielab@groupstudy.com
Subject: Bridging over frame-relay with hub and spoke topology
Hi, group:
I am trying to configure bridging over frame-relay
with hub and spoke topology. Somehow, the two spokes
can ping the hub, but the two spokes can not ping each
other. Is this the correct operation or I missed
something?
Thank you.
Guoqi
R3 is the hub
R1, R4 are spokes in frame-relay. each of the has
ethernet connection to three other routers acting as
hosts.
R3:
interface Serial0/1
no ip address
encapsulation frame-relay
frame-relay map bridge 301 broadcast
frame-relay map bridge 304 broadcast
R1:
interface Serial0/1
no ip address
encapsulation frame-relay
frame-relay map bridge 103 broadcast
R4:
interface Serial0/1
no ip address
encapsulation frame-relay
clock rate 64000
frame-relay map bridge 403 broadcast
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