Tom
You are correct when stating that the RP does not have to be configured but
it should be configured to ensure that any joins or registers from a
directly connected LAN are forwarded to itself. In other words if the RP
receives a join from a directly connected interface it needs to be informed
to send that join to itself.
If the RP is not directly connected to the source:
Are you using any RP filtering such as "ip pim accept-rp X.X.X.X
<access-list>" on the RP. I have seen such an error before when the access
list in an "ip pim accept-rp" command does not allow the first hop router to
register.
Also do you have PIM configured on all the interfaces on your RP i.e. you
are not experiencing RPF failures?
Regards
Leon
-----Original Message-----
From: Tom Scott [mailto:telecomtom@dacor.net]
Sent: 01 March 2002 12:27
To: cisco-nsp@puck.nether.net
Subject: PIM SM rendezvous point
Multicasters,
We're trying to get PIM SM running to support enterprise-wide
conferencing, using a static rendezvous point. According to the
documentation, we shouldn't have to configure the ip pim rp-addr command
on the RP:
http://www.cisco.com/warp/public/105/48.html
"The RP discovers that it is the RP because all the other routers are
pointing to it as their RP and are subsequently sending registers to it.
"
However, we get the following error message on the RP (10.108.1.1):
00:23:26: %PIM-6-INVALID_RP_JOIN: Received (*, 239.255.80.75) Join from
10.108.1.2 for invalid RP 10.108.1.1
When we insert "ip pim rp-addr 10.108.1.1" on the RP, then the error
messages stop. Is the documenatation simply mistaken, or more likely,
are we forgetting to do something simple?
We may later configure a mapping agent with Auto-RP but for now we want
the manual control.
-- TIA, TT
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