RE: prefer ISIS L2 route over L1 in same area

From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Thu Sep 01 2005 - 12:30:03 GMT-3


        No you can't. Just like in OSPF IS-IS prefers intra-area (L1)
routes over inter-area (L2) routes. You cannot change this behavior in
OSPF or IS-IS regardless of metric or distance, short of poisoning the
route.

HTH,

Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com

Internetwork Expert, Inc.
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of Zb
> Sent: Wednesday, August 31, 2005 8:42 AM
> To: ccielab@groupstudy.com
> Subject: prefer ISIS L2 route over L1 in same area
>
> Hi Group,
>
> Assume that 2 Routers connected by two interface.
> Each router run ISIS in same area, and one interface is only L2
circuit,
> other is only L1 circuit.
>
> In this case, ISIS prefer L1 route over L2 route.
>
> Can I prefer L2 route over L1 route in same area ?
>
> I tried to change the L2 metric lower than L1, but not worked.
>
> Any ideas ?
>
>
> best regards,
>
> Zb
>
>



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