From: Engelhard M. Labiro (engelhard@xxxxxxxxxxxxxx)
Date: Mon Apr 08 2002 - 07:40:29 GMT-3
I tried your scenario last time, with a router in a stick to bridge
between VLANs. I got a working config to bridge between
the two VLAN, at the time either "bridge 1 protocol ieee" or
"bridge 1 protocol vlan-bridge" doesn`t have any different result.
Both commands still bridge the two VLANs.
I didn`t investigate any further what are differences if any with
a "vlan-bridge" command. Hope that someone would tell us
what this command for.
Engelhard M. Labiro$B!!(B(engelhard@netmarks.co.jp)
Security Group, Technical Solution Center, Netmarks Inc.
2-13-34 Konan, Minato-Ku, Tokyo 108-0075
Tel: +81-3-5461-2575, Fax: +81-3-5461-2093
----- Original Message -----
From: "Nicolai Gersbo Solling" <nicolai@cisco.com>
To: "CCIE" <ccielab@groupstudy.com>
Sent: Monday, April 08, 2002 1:35 AM
Subject: IRB - Transparent bridging problem!
> I have the following Scenario:
>
> R5---Vlan 10---Switch---Vlan40---R6
>
> I wan't to bridge IP between R5 and R6...
>
> ...but I am a bit in doubt of which bridge protocol to use:
>
> R5 is a standard configuration and the switch has it's sc0 in Vlan 40.
>
> I have configured R6 (The router that actually takes care of the bridging)
> with the following:
>
> bridge 1 protocol vlan-bridge
> bridge 1 route ip
> bridge 1 route ipx
> !
> interface FastEthernet0.10
> encapsulation isl 10
> no ip redirects
> bridge-group 1
> !
> interface FastEthernet0.40
> encapsulation isl 40
> no ip redirects
> bridge-group 1
> !
> interface BVI1
> ip address 137.22.12.6 255.255.255.0
> no ip redirects
> standby ip 137.22.12.2
> standby priority 126
> standby preempt
>
> I got the config working now, but I had some strange problems getting it
to
> work...
> I got Encapsulation failed on R5 when I tried to ping R6 - Both the
> Mac-table of the switch and the Arp-cache of R6 looked good, but I could
> just not resolve on R5...
> Then I tried reloading R6 - This did not help...Somehow something was
wrong
> in the switch - After giveing that a good old powercycle - It works like a
> charm...
>
> Any good, and bright ideas why I encountered this...
> And is it Vlan Bridging I need to use?
>
> Nic
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