From: Robert Miller (rmiller@absitech.com)
Date: Thu Jan 16 2003 - 11:12:29 GMT-3
Peng,
Look at page 245. It explains why the use of the default route bypasses the affect caused by the IGP (IS-IS) and synchronization.
Later...
Robert
------------------------------------------------
On Thu, 16 Jan 2003 02:24:14 -0500, "cebuano" <cebu2ccie@cox.net> wrote:
> Peng,
> I haven't mocked up this lab yet, but based on the configuration,
> Zermatt and Moritz are learning about AS50, 75 and 100 via their eBGP
> peers as well so BGP synchronization should have not effect on these
> routers' path selection. I'll let you know after I've mocked this up.
>
> Gotta sign off now.
> Elmer
>
> -----Original Message-----
> From: Peng Zheng [mailto:zpnist@yahoo.com]
> Sent: Thursday, January 16, 2003 2:07 AM
> To: cebuano; ccielab@groupstudy.com
> Subject: RE: BGP synchronization
>
> I know the path is prefered. But because
> synchronization are not disabled on Zermatt and
> Moritz, the route learned only from IBGP should not be
> put in routing table if it is not learned by IGP.
>
> Right?
>
>
>
> --- cebuano <cebu2ccie@cox.net> wrote:
> > Peng,
> > Check the LOCAL_PREF values for both iBGP routers.
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com
> > [mailto:nobody@groupstudy.com] On Behalf Of
> > Peng Zheng
> > Sent: Wednesday, January 15, 2003 11:56 PM
> > To: ccielab@groupstudy.com
> > Subject: BGP synchronization
> >
> > Hi,
> >
> > On page 242-244 of Routing TCPIP V2, why Zermatt use
> > Moritz to 172.18.0.0?
> >
> > I think it's not synchronized because it's not
> > learned
> > by IGP.
> >
> > Any idea?
> >
> > Thanks for help.
> >
> > Best Wishes,
> > Peng Zheng
> >
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