From: David Hurtado (dei2viccie@hotmail.com)
Date: Wed Apr 14 2004 - 11:09:30 GMT-3
Thank you Bob. That was the problem. Now IRB is working perfectly and i'm
happy again :)
Thanks everybody who tried to help me
>From: "Bob Sinclair" <bsinclair@netmasterclass.net>
>Reply-To: "Bob Sinclair" <bsinclair@netmasterclass.net>
>To: "David Hurtado" <dei2viccie@hotmail.com>, <ccielab@groupstudy.com>
>Subject: Re: IRB problem
>Date: Wed, 14 Apr 2004 08:02:56 -0400
>
>David,
>
>I assume that port f0/0.16 is connected to a switch. Try turning off DTP
>negotiation on that port and nail up the trunking mode, as follows:
>
>switchport nonegotiate and
>swithport mode trunk
>
>We have recently found that ports trunked to bridged router interfaces
>sometimes fail due to trunk negotiation issues.
>
>Bob Sinclair
>CCIE #10427, CISSP, MCSE
>www.netmasterclass.net
>
>
>----- Original Message -----
>From: "David Hurtado" <dei2viccie@hotmail.com>
>To: <ccielab@groupstudy.com>
>Sent: Tuesday, April 13, 2004 2:51 PM
>Subject: IRB problem
>
>
> > Hello everybody,
> >
> > I have a problem with IRB. This is my topology:
> >
> > (R6) Fast0/0.16----------E0/0 (R1) S0/0.2 ---------s0.1 (R2) Fast0
> >
> > These are the addresses:
> >
> > R6:
> > Fast0/0.16: 192.10.1.6
> >
> > R1:
> > E0/0 and S0/0.2 are contained in a bridge group with IRB
> > BVI 1: 192.10.1.1
> >
> > R2:
> > Fast0 and S0.1 are contained in a bridge group with IRB
> > BVI 1: 192.10.1.2
> >
> > The connection between R1 and R2 is OK. But the connection between R1
>and
>R6
> > goes down and up continously.
> >
> > I have tried applying the IP addres (192.10.1.1) directly on E0/0 and
> > everything goes OK. But when i go back to the IRB configuration the
>problem
> > appears again.
> >
> > I have reviewed the IRB looking for some limitation for Ethernet
>interfaces,
> > but there is none.
> >
> > I hope somebody could tell me why it doesn't work.
> >
> > If you need more information, just ask.
> >
> > Thanks a lot
> >
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