North American Network Operators Group

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Re: Reducing Usenet Bandwidth

  • From: Jared Mauch
  • Date: Tue Feb 05 16:36:20 2002

On Tue, Feb 05, 2002 at 04:28:39PM -0500, Stephen Griffin wrote:
> Actually, after confirming with Cisco, the above bug is different.
> Essentially, if a router has two links, and a route in both iBGP and
> iMBGP with same igp distance, local pref, mask, etc, the unicast BGP
> route is chosen for RPF, rather than the multicast route. This would
> lead to using the "wrong" interface.
> 
> Although it is related in that, if the RPF check was done against
> the MRIB first, it would solve this bug.

	does "ip multicast multipath" help you at all either?

	that should cause it to rpf down both paths.

	- jared

-- 
Jared Mauch  | pgp key available via finger from [email protected]
clue++;      | http://puck.nether.net/~jared/  My statements are only mine.