From: Pickell, Aaryn (Aaryn.Pickell@xxxxxxxxxxxxx)
Date: Mon Apr 16 2001 - 20:21:15 GMT-3
The two addresses .39 and .40 are used for auto-rp for PIM-SM. They are
always going to be dense mode, and since the router is going to be sending
and receiving on those groups, everyone has to have mroute statements for
them. I assume that you have 'ip pim send-rp-announce' and 'ip pim
send-rp-discovery' configured on these routers?
Aaryn Pickell - CCNP, CCDP, MCSE
Senior Engineer - Routing Protocols
Getronics Inc.
Direct: 713-394-1609
Email:aaryn.pickell@getronics.com
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> -----Original Message-----
> From: Steven Weber [mailto:itweber@earthlink.net]
> Sent: Monday, April 16, 2001 5:46 PM
> To: GROUPSTUDY
> Subject: multicast routing
>
>
> I have configured multicast routing and when I do a sh ip
> mroute, on the
> routers that I have configured as part of the join group come
> up with the
> corect multicast address, as well as the 224.0.1.40 and
> 224.0.1.39 addresses
> which I did not configure, the routers that I did not
> configure as part of the
> join-group didn't come up with the multicast address I
> assigned only these.39
> and .40 addresses. Would somebody be able to explain to me
> the significance of
> these aadresses, where they came from and why they are here.
> Thank You
> Steve
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