[j-nsp] no inet.2 for multicast RPF etc. by default?
nickless at mcs.anl.gov
Tue Apr 15 11:19:08 EDT 2003
At 09:58 AM 4/15/2003 +0300, Pekka Savola wrote:
>It seems to me that Juniper does not use inet.2 at all by default.
>That is, even if I configure routes for inet.2 or use MBGP to distribute
>multicast routes when unicast/multicast topology is not congruent, Juniper
>only uses inet.0 by default.
>This seems *odd*. The desired behaviour should be to always look for
>inet.2 first, and if it fails, look at inet.0 (or so I've been believing).
>Otherwise, being transit using MBGP (for example) would likely break RPF
>Am I missing something?
I disagree that the "desired behavior" should be the default.
You can configure your "desired behaviour" by an appropriate rib-group,
applied to the various mujlticast routing protocols. For example:
import-rib [ inet.2 inet.0 ];
rib-group inet mcast-rib;
Bill Nickless http://www.mcs.anl.gov/people/nickless +1 630 252 7390
PGP:0E 0F 16 80 C5 B1 69 52 E1 44 1A A5 0E 1B 74 F7 nickless at mcs.anl.gov
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