Re: ASBR Selection

You got it Vincent! So now how did you go about fixing it, now that you
understand the problem?

On Tue, May 29, 2012 at 12:16 AM, Vincent Tay <vtay.75_at_gmail.com> wrote:

> Hi Mark/Tom,
>
> Thanks. Finally, I have got the concept right. ASBRs (R3 and R2) will not
> have any election. For EIGRP external routes (170), if R3 is the first to
> redistribute, R2 will accept the OSPF routes from R3 since it has higher
> admin distance (110) and its routing table will flush out its EIGRP
> external (170) routes and thus will not be able ro redistribute the routes
> back to R3. This process of operation will happen similarly if R2 is the
> first to redistribute. So, it is a matter on the order of operation
> process. Thanks for the enlightenment.
>
> Data plane path calculation will be base on advertising router and FA if
> present to the ASBR.
>
> Regards
>
> On Tue, May 29, 2012 at 12:52 AM, Marko Milivojevic <markom_at_ipexpert.com
> >wrote:
>
> > There is no election. All ASBRs advertise routes that are redistributed.
> > OSPF routers then calculate the best paths to those ASBRs or FA (if
> > present) and chose which routes to use. External metrics are compared
> first
> > though.
> >
> > --
> > Marko Milivojevic - CCIE #18427
> >
> > :: This message was sent from a mobile device. I apologize for errors and
> > brevity. ::
> >
> > On May 28, 2012, at 1:51, Vincent Tay <vtay.75_at_gmail.com> wrote:
> >
> > > Hi all,
> > >
> > > If there are two ASBRs redistributing routes, will there be any
> > selection?
> > > From what i have try, the router that i clear the ospf process will end
> > up
> > > advertising the type 5 routes. I am quite confuse with it.
> > >
> > > EIGRP
> > > ____________________________________
> > > | |
> > > | |
> > > | |
> > > R3(ASBR)------------------------------R2(ASBR) !
> > > Redistributing EIGRP into OSPF
> > > | |
> > > | |
> > > | |
> > > OSPF Area Routers
> > > ___________________________________
> > >
> > > Thanks.
> > >
> > >
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>
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Received on Tue May 29 2012 - 00:32:14 ART