From: Chris Lewis \(chrlewis\) (chrlewis@cisco.com)
Date: Sat Sep 03 2005 - 17:19:15 GMT-3
OK,
Let's say you have Fa0/1, 0/2, 0/3 in vlan 123 and fa0/4, 0/5 and 0/6 in
vlan 456.
You assign an IP address to the SVI for each of these vlans. Then you
discover that the device on fa0/1 and fa0/6 need to communicate via a
non-routable protocol such as Decnet. What you need to do is bridge
these two vlans together so the non-routable protocol can traverse
between the two ports.
Basically to get an IP packet from vlan 123 to vlan 456, you would route
between the two IP subnets associated with the respective SVIs, but as
you can't route the Decnet, you fallback to being able to bridge Decnet
between the two vlans.
Chris
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Imal kalutotage
Sent: Saturday, September 03, 2005 8:42 AM
To: Stefan Grey
Cc: ccielab@groupstudy.com
Subject: Re: Fallback bridging
Hi Chris,
In what kind of senarios we can use fall-back bridging..
I have come across senario of IPv6 which uses fall back bridging .
But now I am blank about it..
If u can put this topic in a context it is great..
Cheers,
Imal
On 9/2/05, Stefan Grey <examplebrain@hotmail.com> wrote:
>
> 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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