From: Ronnie Angello (ronnie.angello@gmail.com)
Date: Tue Apr 15 2008 - 11:54:53 ART
mtrace is a good one too, at least it was very helpful for me.
On Tue, Apr 15, 2008 at 10:45 AM, Sadiq Yakasai <sadiqtanko@gmail.com> wrote:
> Hi Guys,
>
> Just to add a little to what you keep an eye out for Matt, "debug ip
> pim" would be another resourceful debug to run when you are running
> PIM. The FLAGS. I cannot over emphasize the importance of
> understanding all the Flags. It always points you to a right direction
> when troubleshooting an mrouting issue.
>
> As for the mroute table:
>
> (*, 225.0.0.1), 00:22:48/stopped, RP 15.15.15.15, flags: SJCLF
> Incoming interface: FastEthernet0/3, RPF nbr 3.3.3.1
> Outgoing interface list:
> FastEthernet0/2, Forward/Sparse, 00:19:41/00:03:16, H
>
> This entry tells you this router knows about the Group (225.0.0.1). It
> knows how to get to it (Incoming Interface, F0/3) and has someone
> already joined this group downstream (Outgoing Interface List, F0/2).
>
> (2.2.2.2, 225.0.0.1), 00:00:06/00:02:53, flags: LFT
> Incoming interface: FastEthernet0/1, RPF nbr 0.0.0.0, Registering
> Outgoing interface list:
> FastEthernet0/2, Forward/Sparse, 00:00:06/00:02:53, H
>
> This entry tells you someone has already pushed traffic for the group.
> And the mcast traffic is from 2.2.2.2, coming in through F0/1 and
> going towards someone who is listening for the group, having joined
> the group ealier, via F0/2.
>
> Anyways, keep doing it over and over and over again, and it will all
> makes sense eventually. One thing at a time.
>
> HTH
>
> Sadiq
>
>
>
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>
>
>
-- Ronald Angello CCIE #17846Pass the CCIE in six weeks, Guaranteed! http://www.certscience.com/CCIE
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