From: mushtaq A. Khan (mak.ccie2b@gmail.com)
Date: Fri Sep 02 2005 - 23:32:38 GMT-3
Chris,
Nice Comparision.
Stefen,
Here I have put in the configuration. I have used a routed port but you can
you can SVI as well.
interface FastEthernet0/6
no switchport
ip address 1.1.66.10 <http://1.1.66.10> 255.255.255.0 <http://255.255.255.0>
bridge-group 1
bridge 1 protocol vlan-bridge
Mushtaq
On 9/2/05, Chris Lewis (chrlewis) <chrlewis@cisco.com> wrote:
>
> That's a good way to look at it. I would add the following:
>
> With IRB, you turn what are normally layer 3 router ports in to layer 2
> ports by issuing the no ip address configuration.
>
> By contrast, with fallback brifging, you turn what are normally layer 2
> ports in to layer 3 ports by the no switchport configuration.
>
> For IRB you use bridge 1 protocol ieee, for fallback bridging you use
> bridge 1 protocol vlan-bridge
>
> For IRB you tie router interfaces or BVIs together with the bridge-group
> X command
> For fallback bridging you tie routed interfaces or SVIs together with
> bridge-group X
>
> I do not have a switch to hand right now, but I'm not sure the link you
> provide gives a completely accurate config for this feature. I'll try to
> send you a working config next week.
>
> Chris
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> ccie2be
> Sent: Friday, September 02, 2005 3:30 PM
> To: 'Stefan Grey'; ccielab@groupstudy.com
> Subject: RE: Fallback bridging
>
> I think of fallback bridging as something similar to irb but for
> switches.
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Stefan Grey
> Sent: Friday, September 02, 2005 4:09 PM
> To: ccielab@groupstudy.com
> Subject: Fallback bridging
>
> Hello group,
>
> Could anybody explain shortly what this technology does or give some
> links where I could read something about it.
>
> If found this link:
> http://www.cisco.com/en/US/products/hw/switches/ps646/products_configura
> tion
> _guide_chapter09186a008014f345.html
>
>
> But absolutely didn't understand. Thank you in advance.
>
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