Would someone point me to a white sheet, or section of a config guide, that would explain all the flags in the 'sh ip mroute' display? I looking for something more enlightening than just a discription of the flag; ie. "'The SPT-bit set' means the Shortest Path Tree bit is set," but actually explain what causes the flags, and caveats if some flags are set and others aren't.
NGT-SW3750-CD-MDF#sh ip mroute
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
Now if your like me - that still doesn't tell you "jack" about why such and such would be shown. I personally refer to a multicast book by Beau Williamson ("Developing IP Multicast Networks") which gives better detail about those flags. I can say that book is considered the "bible" on multicasting and will probably answer almost all your questions.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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