From: D. J. Jones (meganac@xxxxxxxxx)
Date: Sun Apr 07 2002 - 16:13:40 GMT-3
This is the only reference I could find on it, but it appears to an
enhancement and from this link, used on a cat 6500 with MSFC?
http://www.cisco.com/warp/public/473/inter-vlan_11072.html
----- Original Message -----
From: "Narvaez, Pablo" <Pablo.Narvaez@getronics.com>
To: "Curtis Phillips" <cphillips@blazenet.net>; "Nicolai Gersbo Solling"
<nicolai@cisco.com>; "CCIE" <ccielab@groupstudy.com>
Sent: Sunday, April 07, 2002 11:37 AM
Subject: RE: IRB - Transparent bridging problem!
> What is the command "bridge x protocol vlan-bridge" for? ..... I know TB
and its related commands, but I've never used the vlan-bridge keyword ....
I'm trying to find a sample or a good description but I can't ....
>
> This is just waht I found:
>
> vlan-bridge: The VLAN-Bridge Spanning-Tree Protocol.
>
> ummmmmm ... Does anyone know how it can be used and gimme a quick sample
or an idea how it works?
>
> Thanks ain advance!!
>
> hockito
>
>
>
>
> -----Original Message-----
> From: Curtis Phillips [mailto:cphillips@blazenet.net]
> Sent: Domingo, 07 de Abril de 2002 01:02 p.m.
> To: Nicolai Gersbo Solling; CCIE
> Subject: Re: IRB - Transparent bridging problem!
>
>
> If you are going to bridge you have to have both VLANS present on a single
> router. If you want to bridge on R6 fine. But then R6 must know about VLAN
> 10. in either case you either need to trunk the vlans to the router or
> have two speperate phys interfaces to the bridging router carrying VLAN
> traffic from each of the vlans.
>
> Curtis
> ----- Original Message -----
> From: "Nicolai Gersbo Solling" <nicolai@cisco.com>
> To: "CCIE" <ccielab@groupstudy.com>; "Curtis Phillips"
> <cphillips@blazenet.net>
> Sent: Sunday, April 07, 2002 1:51 PM
> Subject: RE: IRB - Transparent bridging problem!
>
>
> > Hi there Curtis!
> >
> > R5 is not supposed to know Vlan 40! As I see it R6 should take care of
the
> > bridging between Vlan 10 and 40...
> > Having said that it should be enough just to configure bridging on R6!
> > Or am I missing something obvious here?
> >
> > Nic
> >
> >
> > -----Original Message-----
> > From: Curtis Phillips [mailto:cphillips@blazenet.net]
> > Sent: 7. april 2002 18:40
> > To: Nicolai Gersbo Solling; CCIE
> > Subject: Re: IRB - Transparent bridging problem!
> >
> >
> > Hello,
> >
> > Router R5 does not know VLAN 40 and can not bridge between them with out
> > access to it.
> > To acheive this you have to trunk VLANS 10 and 40 over the port
connected
> to
> > R5 using either
> > ISL or dot1q and related encaps on sub ints. of router 5 Fast ethernet
> int.
> > Then you can create a bridge-group adding both sub-ints to it. Also, it
> you
> > are attempting to route
> > any of this traffic u need to look at IRB.
> >
> > HTH..
> >
> > Curtis
> > ----- Original Message -----
> > From: "Nicolai Gersbo Solling" <nicolai@cisco.com>
> > To: "CCIE" <ccielab@groupstudy.com>
> > Sent: Sunday, April 07, 2002 12:35 PM
> > 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
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:57:58 GMT-3