Re: multicast null 0

From: elping (elpingu@xxxxxxxxxx)
Date: Sun Jun 23 2002 - 02:51:16 GMT-3


   
I think I figured it out after more connfiguring....
correct me if I am wrong...
but that is normal output with the NULL 0..

this is all part of building the tree......
the NULL 0 basically says i have no other interface that has joined this
group in this router.

If there where any interfaces with host joined in that group then it would
list an interface ...

Is that a true statement ...

El ping

elping wrote:

> question to the multicasting gurus.......
>
> i have configured auto rp and mapping agent on a router and on the same
> router I have joined 2 groups int e0....
>
> 3 router down the line I can ping the multicast adreeses and I am
> learning the RP.
> router 5
> Group: 225.255.255.225, RP: 192.148.8.8, v2, v1, uptime 00:05:20,
> expires 00:02:28
> Group: 225.255.255.226, RP: 192.148.8.8, v2, v1, uptime 00:04:55,
> expires 00:02:28
>
> but when i do a sho ip mroute i get
> *, 225.255.255.225), 00:00:35/00:02:59, RP 192.148.8.8, flags: SP
> Incoming interface: Serial1, RPF nbr192.148.12.1
> Outgoing interface list: Null
>
> (192.148.12.2, 225.255.255.225), 00:00:35/00:02:54, flags: PT
> Incoming interface: Serial1, RPF nbr 192.148.12.1, Registering
> Outgoing interface list: Null
>
> why does it say NULL should it not say Serial 1



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