I did some testing on this and Yasser is right on the money.
Assign R1 to announce for the 236.1.1.0 and R2 to announce for the 236.1.8.0
networks.
I can provide configs if you need, but there is not much to it.
The basics for me was:
Configure the interfaces between the routers and the clients for
sparse-dense-mode and version 2 ( I don't know if V2 is needed )
Assign one of the routers as the RP mapping agent.
You can test the config in several ways. I used the mcaster application on a
lan segment.
Else use the ip igmp join-group command for several of the groups.
If you have the doc cd, read this. Its great IMO.
http://127.0.0.1:8080/cc/td/doc/product/software/ios122/122cgcr/fipr_c/ipcpt
3/1cfmulti.htm#xtocid38990
Thanks
Larry
-Original Message-
From: YASSER ALY [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, September 17, 2002 7:55 PM
To: [EMAIL PROTECTED]
Subject: Re: Multicast quesion.. [7:53449]
Hi Paul,
To configure a router to be an Auto-RP use the following command:
Router(config)# ip pim send-rp-announce
scope
This should be applied on both R1 & R2 in your scenario.
To configure a router a RP mapping agent (R4 in your scenario) use:
Router(config)#ip pim send-rp-discovery scope
Routers configured as Auto-RP advertises Cisco-RP-Announce at 224.0.1.39
while routers configured as RP mapping agents listens on this IP and sends
inturn the RP-to-group mappings in an auto-RP RP discovery message to the
well known Cisco-RP-Discovery 224.0.1.40
PIM DRs listen to 224.0.1.40 to determine which RP to use.
Kindly let us know if this will work out or not as I am not that strong with
Multicast and it happens for me to be studying it now so I looked for the
commands but never tried it myself.
Regards,
Yasser
>From: "Casey, Paul (6822)" > >Can someone help me with the following..
Its from a lab I am working on.. > >R1 and R2 should dynamically become RP's
for 236.1.1.17 and 236.1.8.90 > >R4 should be capable of assigning RP's for
these groups. But should not be >able to become an RP itself.. >
>Can someone help me to do this.. > >Kind regards. >Paul.
>-- >Sent from my BlackBerry Wireless Handheld >
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