From: Robert DeVito (robertdevito@xxxxxxxxxxx)
Date: Mon Jan 15 2001 - 03:37:36 GMT-3
Can I have the send-rp-discovery and send-rp-announce on the same router?
Thank you,
Robert
----Original Message Follows----
From: Brian Hescock <bhescock@cisco.com>
To: Robert DeVito <robertdevito@hotmail.com>
CC: ccielab@groupstudy.com
Subject: Re: auto-rp and frame-relay
Date: Sun, 14 Jan 2001 22:09:22 -0500 (EST)
Personally, I would put my RP on the hub router (or something other than a
spoke) and do my send-rp-announce and send-rp-discovery on any router
other than a spoke. Why take a chance at unexpected behavior. Also,
don't forget to use "ip pim nbma mode" on your hub rouer if you're running
multipoint. The reason for this is if you have a client on a multipoint
spoke and they send a prune the entire interface is pruned. With nbma
mode a separate entry is made in the outbound interface list for each
next-hop and only that next hop is pruned instead of the whole interface.
For anyone else that is curious, you can easily test multicast without a
client or server (and I would doubt they would have them in the lab but
it's certainly possible). For you client, put "ip igmp join-group" on an
ethernet interface (away from your source, meaning put it out what would
be an outbound interface to hosts). This simulates a pc on the
interface. Then pick another router in your network to be a "source" and
do an extended ping to 239.1.1.1 (or any other multicast group you want it
to be). Set the number of pings to 10000 or some high value and set the
timeout to 1 second. Works fine.
Brian
On Mon, 15 Jan 2001, Robert DeVito wrote:
> Does anyone have any good examples of using auto-rp in a hub and spoke??
My
> understanding is that you need to have your MA on your hub and the
> rp-announce on your spokes? Am I close?
>
> Thank you,
> Robert
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