From: Shadi (ccie@xxxxxxxxxxxxxxxx)
Date: Thu Feb 14 2002 - 05:09:15 GMT-3
Nothing changed!!!
But really strange...
----- Original Message -----
From: <RSiddappa@NECBNS.com>
To: <ccie@investorsgrp.com>
Cc: <ccielab@groupstudy.com>
Sent: Wednesday, February 13, 2002 5:45 PM
Subject: RE: aggregate-address in bgp???
>
>
> What was the final config.
>
> R.
>
>
>
>
>
>
>
>
>
> -----Original Message-----
> From: Shadi [mailto:ccie@investorsgrp.com]
> Sent: Wednesday, February 13, 2002 7:37 AM
> To: Siddappa, Rajeev
> Cc: ccielab
> Subject: Re: aggregate-address in bgp???
>
>
> It worked but after rebooting both routers the next day, strange !!!
>
>
>
> ----- Original Message -----
> From: <RSiddappa@NECBNS.com>
> To: <ccie@investorsgrp.com>; <ccielab@groupstudy.com>
> Sent: Tuesday, February 12, 2002 6:25 PM
> Subject: RE: aggregate-address in bgp???
>
>
> >
> > Shadi,
> >
> > Can u post the routing table of R1.
> >
> > R.
> >
> >
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: Shadi [mailto:ccie@investorsgrp.com]
> > Sent: Tuesday, February 12, 2002 8:49 AM
> > To: Siddappa, Rajeev; ccielab
> > Subject: Re: aggregate-address in bgp???
> >
> >
> > I did both the summary-only and the ip route null0 with same result,even
I
> > removed the ip route null0 with the same result.
> >
> >
> > I am using 12.0(4)
> >
> >
> > ----- Original Message -----
> > From: <RSiddappa@NECBNS.com>
> > To: <chrishugo@yahoo.com>
> > Cc: <ccielab@groupstudy.com>
> > Sent: Tuesday, February 12, 2002 11:07 AM
> > Subject: RE: aggregate-address in bgp???
> >
> >
> > > I guess the null 0 route will be added automatically when use the
> > aggregate
> > > address command.
> > >
> > > I would suggest to use the option summary-only at the end of the
> > > Aggregate-address command.
> > > then it should solve the problem.
> > >
> > > What is the IOS u r using.
> > >
> > > R.
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: CHRIS HUGO [mailto:chrishugo@yahoo.com]
> > > Sent: Tuesday, February 12, 2002 2:50 AM
> > > To: Siddappa, Rajeev
> > > Cc: ccielab@groupstudy.com
> > > Subject: RE: aggregate-address in bgp???
> > >
> > >
> > >
> > >
> > > Add that route to null 0 on the router that you are performing the
> > > aggregate-address command
> > >
> > >
> > > ip route 160.0.0.0 240.0.0.0 null 0
> > >
> > >
> > > Let me know if this helps.
> > >
> > >
> > > -chris hugo-
> > >
> > > RSiddappa@NECBNS.com wrote:
> > >
> > > By any chance does R1 has better routes to this aggregate or
Aggregated
> > > route.
> > >
> > > Then the behavior is absolutely acceptable.
> > >
> > > R.
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: Shadi [mailto:ccie@investorsgrp.com]
> > > Sent: Monday, February 11, 2002 12:20 PM
> > > To: ccielab
> > > Subject: aggregate-address in bgp???
> > >
> > >
> > > Guys,
> > >
> > > I have simple scenario on BGP but with a strange behavior!!
> > >
> > > I have the below simple diagram which is a small network from a larger
> and
> > I
> > > am running bgp and ospf in it. I wanted to summarize the loopback
> > interfaces
> > > on R2, I did that and it worked fine, the aggregate route is
> 160.0.0.0/4,
> > > the
> > > route got updated to R1, and it appears in the bgp table of R1, but
> after
> > a
> > > while I get that the route got disappeared again and I don't know why,
> > when
> > > I
> > > do debug it says: "no route to 160.0.0.0/4", but the next hop is
> reachable
> > > and
> > > I can ping it from R1. I don't know why it appears in the R1 bgp table
> for
> > 1
> > > min and then disappears again.
> > >
> > > Any suggestions? Of course bgp sync is off on all Routers.
> > >
> > >
> > >
> > > 10.10.10.1 10.10.10.2
> > > R1<--------------------------------------------->R2
> > > BGP AS2 BGP AS3
> > > lo1:160.10.10.1/24
> > > lo2:170.10.10.1/24
> > > lo3:161.10.10.1/24
> > >
> > >
> > >
> > > R2:
> > >
> > > router bgp 3
> > > no sync
> > > aggregate-address 160.0.0.0 240.0.0.0 summary-only
> > > redistribute connected
> > > neighbor 10.10.10.1 remote-as 2
> > >
> > > R1
> > >
> > > router bgp 2
> > > no sync
> > > neighbor 10.10.10.2 remote-as 3
> > >
> > >
> > > Shadi
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