From: marvin greenlee (marvin@ccbootcamp.com)
Date: Tue Mar 15 2005 - 16:36:15 GMT-3
Slight correction:
"...It does not bridge ip traffic..."
Fallback bridging will pass IPv6 traffic from one VLAN to another, at least
on the 3550s.
Marvin Greenlee, CCIE#12237, CCSI# 30483
Network Learning Inc
marvin@ccbootcamp.com
www.ccbootcamp.com (Cisco Training)
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Edwards, Andrew M
Sent: Tuesday, March 15, 2005 11:10 AM
To: syed.ali@ualberta.ca; ccielab@groupstudy.com
Subject: RE: Bridging [bcc][faked-from]
Importance: Low
Syed,
I was looking into something like this earlier and found what you see.
What I discovered is that the only bridge protocol supported on the 6500
switch is IBM, DEC, and vlan-bridge.
IOW, there is no IEEE because the switch is already doing that by
default from the vlan to the SVI.
Using the vlan-bridge protocol enables bridging non-ip traffic across
switched virtual interfaces (like DLSW). It does not bridge ip traffic.
So, trying to tell it to route IP wont have any effect if the
vlan-bridge protocol is chosen.
In short, I found that I couldn't do what I wanted the IOS to do...
Probably for a good reason though.
Maybe someone else has different experiences and could add to this
thread.
Andy
-----Original Message-----
From: syed.ali@ualberta.ca [mailto:syed.ali@ualberta.ca]
Sent: Tuesday, March 15, 2005 8:50 AM
To: ccielab@groupstudy.com
Subject: Bridging
I have a question regarding configuring a GRE tunnel and Bridging. I
have a GRE tunnel configured from a Cisco 1200 series Wireless Access
Point to a Catalyst 6509 running Native IOS. I am using a Loopback
address as the source of the tunnel on the 6509. I am trying to bridge
the loopback address and a Vlan. I have configured Bridging (IRB)
I am not able to add a bridge-group to the loopback address or add a BVI
interface.
This is some of the relevant configuration on the 6509
interface Tunnel0
ip address " "
tunnel source Loopback1
tunnel destination " "
interface Loopback1
ip address " "
interface Vlan19
no ip address
bridge-group 1
bridge irb
bridge 1 protocol vlan-bridge
bridge 1 route ip
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