Maik,
It's there but it's just a hidden command (see below). I'm not sure when it
first came out though but I do know it's in IOS 11.2(18) and above.
Brian Dennis
CR1-G#conf t
Enter configuration commands, one per line. End with CNTL/Z.
CR1-G(config)#int tu 0
CR1-G(config-if)#bridge-group ?
% Unrecognized command
CR1-G(config-if)#bridge-group 1
% This command is an unreleased and unsupported feature
-----Original Message-----
From: Maik Bachmann [mailto:maik@Ironmaik.COM]
Sent: Tuesday, June 19, 2001 12:21 PM
To: cisco-nsp@puck.nether.net
Subject: [nsp] bridging into tunnel interface
Hi *,
is there a way to bridge some kind of traffic "into" a tunnel interface?
The situation is as follows:
----eth-ROUTER_A-ser---------------------ser-ROUTER_B-eth---------
Router_a and Router_B are 2621 with c2600-is-mz.120-7.T.bin.
Traffic coming to A (thru eth if) is OSI traffic, which I want to
tunnel to B. On B's eth there is another OSI device to connect to.
The line between A and B is IP over SDH, so no way to bridge
via FR or ATM VCs. Basic bridging is also not possible due to some issues
by the carrier who filters that traffic (SDH managment data).
The obvious solution would be:
Router_A:
interface eth0
ip address 1.1.1.1 ....
bridge group 1
....
interface ser0
ip address 2.1.1.1 ...
....
interface tunnel0
source 2.1.1.1
destination 2.1.1.2
bridge-group 1
bridge protocol dec
similar on Router_B......
But .... no way to use bridge-group 1 on tunnel interfaces.
In some way this sounds sensible since bridging doesn't touch the packet
where tunnel touches (encaps in IP) it.
On the other side - there must be some way to tunnel *any kind of junk*
coming in.
Start and endpoints of the tunnel interfaces may be the eth interfaces
as well - but I found no way to tie the physical interface with the
tunnel interface.
Any ideas?
TIA
---Maik
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