From: Sergey Golovanov (sergey.golovanov@iementor.com)
Date: Thu Jan 25 2007 - 03:50:37 ART
can you post "show ip route net-b" from each router, before and after R1-R4 failure?
--------------------------------------------------------------------
Sergey Golovanov, CCIEx5 (R&S/Security/Voice/Service Provider/Storage)
"Please, don't ask me for my ccie #, there are reasons why I can't release it"
ieMentor Instructor and Content Developer
sergey.golovanov@iementor.com
http://www.iementor.com
> -------Original Message-------
> From: Michal.Grzybczyk@vattenfall.pl
> Subject: RE: OSPF question
> Sent: Jan 25 '07 01:46
>
>
> Hello,
>
> I have very similar problem with Intra preffered path and asymmetric
> routing during the link beardown.
>
> I configured OSPF on R1,R2,R3 ( R4,R5 only BGP ):
>
> Network A
> |
> R3 ( as stub no-summary )
> / \
> / \
> R1 ----- R2
> | |
> | |
> R4 ---- R5
> \ /
> Network B
>
>
> Primary links are: R1-R4 and R1-R3
> Backup : R3 - R2 & R2-R5
>
> OSPF :
> R1 to R2 Area 0
> R1 & R2 to R3 Area 1 as stub no summary
>
> Everything is ok until link R1-R4 went down.
> Traffic from Network B to Network A is going through: R5- R2- R3
> Traffic from Network A to Network B : R3 - R1 - R2 - R5
>
> Ping and traceroute works perfect but transmision not.
> I thought that cisco support asymmetric routing but it doesn't work.
>
> Has someone got the idea how change OSPF configuration or how
> allow pass asymmetric traffic in this scenario ?
>
> For R3 is enough to get default route.
>
>
> Thanks in advance.
>
> Regards,
> Michal
>
> -------------------
>
> umm... what do you mean? redistribute connected makes the route External, not Inter-Area. The way you asked the question in the beginning definitely indicates that you have to use Virtual Link
>
> --------------------------------------------------------------------
> Sergey Golovanov, CCIEx5 (R&S/Security/Voice/Service Provider/Storage) "Please, don't ask me for my ccie #, there are reasons why I can't release it"
> ieMentor Instructor and Content Developer sergey.golovanov@iementor.com http://www.iementor.com
>
>
> > -------Original Message-------
> > From: Vishal Patel <vpatel@accessproviders.com.au>
> > Subject: RE: OSPF question
> > Sent: Jan 25 '07 00:58
> >
> >
> >
> > I got it fixed..
> >
> > Instead of adding network command in router ospf
> >
> > I did redistribute connected and it became an Inter - Area route.
> >
> > Cheers
> >
> >
> > -----Original Message-----
> > From: Sergey Golovanov [mailto:sergey.golovanov@iementor.com]
> > Sent: Thursday, 25 January 2007 4:49 PM
> > To: Vishal Patel; ccielab@groupstudy.com
> > Subject: Re: OSPF question
> >
> >
> > create virtual link through non-backbone area and modify costs
> >
> > --------------------------------------------------------------------
> > Sergey Golovanov, CCIEx5 (R&S/Security/Voice/Service
> > Provider/Storage) "Please, don't ask me for my ccie #, there are
> > reasons why I can't release it"
> > ieMentor Instructor and Content Developer
> > sergey.golovanov@iementor.com http://www.iementor.com
> >
> >
> > > -------Original Message-------
> > > From: Vishal Patel <vpatel@accessproviders.com.au> > Subject:
> > OSPF question > Sent: Jan 25 '07 00:34 > > Hey guys , > > We
> > know that in OSPF Intra Area route is preferred over Inter Area.
> > >
> > > No matter whatz the cost
> > >
> > > Can someone please tell me the way to get Intra Area Preferred
> > over > Inter Area ?
> > >
> > > Cheers
> > >
> > > Vishal
> > >
> > >
> > >
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