mroute table interpretation

From: ccie2be (ccie2be@nyc.rr.com)
Date: Thu Feb 24 2005 - 18:02:17 GMT-3


Hi guys,

 

Here's a snip of my mroute table.

 

r1#sh ip mr

IP Multicast Routing Table

Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,

       L - Local, P - Pruned, R - RP-bit set, F - Register flag,

       T - SPT-bit set, J - Join SPT, M - MSDP created entry,

       X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,

       U - URD, I - Received Source Specific Host Report, Z - Multicast
Tunnel

       Y - Joined MDT-data group, y - Sending to MDT-data group

Outgoing interface flags: H - Hardware switched, A - Assert winner

 Timers: Uptime/Expires

 Interface state: Interface, Next-Hop or VCD, State/Mode

 

(*, 231.31.31.31), 00:15:41/stopped, RP 150.1.3.3, flags: SJCLF <-- LOOK
AT THIS LINE

  Incoming interface: Serial0/1, RPF nbr 142.1.13.3

  Outgoing interface list:

    FastEthernet0/0, Forward/Sparse, 00:15:41/00:02:41

 

(142.1.34.4, 231.31.31.31), 00:00:25/00:02:40, flags: LJT

  Incoming interface: Serial0/1, RPF nbr 142.1.13.3

  Outgoing interface list:

    FastEthernet0/0, Forward/Sparse, 00:00:25/00:02:41

 

 

In the first entry (*, 231.31.31.31), notice that it says "Stopped".

 

Everything is working - I can ping this mcast group. But, what does
"Stopped" mean?

 

And, what causes the "Stopped" message to change to a time left message or
expires message?

 

I don't think this is a problem but can someone confirm this for me and
explain why that is there?

 

TIA, Tim



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