From: Peter van Oene (pvo@usermail.com)
Date: Wed Oct 16 2002 - 15:09:07 GMT-3
I suppose you could butcher things that way. My point of view it skewed
toward reality :-) Policy routing per destination on your GSR is not
really a good thing.
At 01:37 PM 10/16/2002 -0400, Larson, Chris wrote:
>Without getting into it to much, can't you just use a route-map on the
>interfaces of R4 to define the wieght of the routes? Or policy routing that
>sets the next hop based on destination?
>
> > -----Original Message-----
> > From: Volkov, Dmitry (Toronto - BCE) [SMTP:dmitry_volkov@ca.ml.com]
> > Sent: Wednesday, October 16, 2002 1:05 PM
> > To: Dave Cooper
> > Cc: 'Peter van Oene'; CCIE
> > Subject: RE: OSPF route manipulation
> >
> > I guess You can use distance :
> > http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/ip
> > _r
> > /iprprt2/1rdindep.htm#xtocid2
> >
> >
> > Dmitry
> >
> > > -----Original Message-----
> > > From: Peter van Oene [mailto:pvo@usermail.com]
> > > Sent: Wednesday, October 16, 2002 12:32 PM
> > > To: Dave Cooper; CCIE
> > > Subject: Re: OSPF route manipulation
> > >
> > >
> > > Can't do it. This type of granular traffic engineering is one of the
> > > things MPLS-TE is useful for. Metric based TE is topology
> > > centric and
> > > fixed for all destinations over a given topology. The
> > > topology itself
> > > cannot be modified on a per destination basis.
> > >
> > > At 06:14 AM 10/16/2002 -0700, Dave Cooper wrote:
> > > >Hi
> > > >
> > > >Four routers in a diamond shape
> > > >
> > > > |----r2----|
> > > >r1 r4
> > > > |----r3----|
> > > >
> > > >All are in area 1. All interfaces serial p-2-p
> > > >
> > > >R1 is advertising 2 routes x.x.0.0 & y.y.0.0
> > > >R4 has 2 equal paths for each (via r2 & via r3)
> > > >
> > > >How can I force r4 to "prefer" r2 for x.x.0.0 and r3
> > > >for y.y.0.0
> > > >In case prefered path is not there, use the other
> > > >path.
> > > >
> > > >I tried using cost/bandwidth/distribute-list. But they
> > > >can't distinguish x from y and change metric
> > > >accordingly.
> > > >
> > > >Is this possible ?
> > > >
> > > >Thanks
> > > >Dave
> > > >
> > > >__________________________________________________
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