From: Jaspreet Bhatia (jasbhati@xxxxxxxxx)
Date: Fri Jul 12 2002 - 16:29:08 GMT-3
I also thought so initially but I think that if you are not using a
point-to-point IF on both sides then the command frame-relay map clns DLCI
broadcast should be used
HTH
Jaspreet
At 11:16 AM 7/12/2002 -0700, Jonathan V Hays wrote:
>Group,
>
>I just had an interesting experience configuring ISIS on two routers.
>One router (R1) had two serial subinterfaces, one of which was
>point-to-point to another router running ISIS (R2). Now R2 was not
>configured with subinterfaces, just "interface serial 0" since it was
>only connected to R1 (via frame relay). I could not get ISIS routes to
>appear in the routing tables of either router.
>
>After I changed R2 to a point-to-point subinterface the ISIS routes
>popped into both routing tables.
>
>The question is, why is the point-to-point subinterface necessary on
>both ends for ISIS to propagate routes?
>
>Jonathan
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