Re: ISIS: Level-2 routes

From: Peter van Oene (pvo@usermail.com)
Date: Tue Jul 01 2003 - 12:22:32 GMT-3


At 10:31 AM 7/1/2003 +0100, Sage Vadi wrote:
>Hi all,
>
>R1---R2---R3
>
>This is ISIS NBMA(frame-relay) network. All the
>interfaces are point-to-multipoint (as per IIH's).
>
>Problem I am seeing:
>
>R2 learns routes from R3 and R1, but it doesn't send
>them to each other. These are all Level-2-Only
>routers, and are within the same area, split-horizon
>is disabled under their subinterfaces.

Is R2 the DIS? R2 won't "reflect" R1 and R3 LSPs, but the CSNP/PSNP shoudl
result in R3 and R1 requesting each others LSPs so long as R2 is DIS.

>Q) Has anybody seen this before? And how do I get
>around this, what am I doing wrong?
>
>Thanks in advance,
>rgds,
>Sage
>
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