Multicast Troubleshooting

From: Antonio Soares <amsoares_at_netcabo.pt>
Date: Mon, 26 Sep 2011 16:54:29 +0100

Hello group,

I was troubleshooting a multicast issue and I found that our old "no ip
mroute-cache" and "debug ip mpacket" combination does not work anymore:

R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#
R2(config)#int f0/0
R2(config-if)#
R2(config-if)#
R2(config-if)#no ip mroute-cache
The above command is going to be deprecated. Use MFIB commands instead.
R2(config-if)#
R2(config-if)#
R2(config-if)#do sh ver | inc IOS
Cisco IOS Software, 7200 Software (C7200-ADVENTERPRISEK9-M), Version
15.0(1)M7, RELEASE SOFTWARE (fc2)
R2(config-if)#
R2(config-if)#

It seems the "ip mroute-cache" command was deprecated starting from 15.0(1)M
and 12.2(33)SRE:

http://www.cisco.com/en/US/docs/ios/ipmulti/command/reference/imc_03.html#wp
1054798

I used some of the mfib commands like "no ip mfib cef input" and "no ip mfib
cef output" but I don't get anything, I mean, the debug ip mpacket doesn't
show anything. I'm sure there's a way to get back the old behavior.

If someone knows the new procedure please share with the group.

Thanks.

Regards,

Antonio Soares, CCIE #18473 (R&S/SP)
amsoares_at_netcabo.pt
http://www.ccie18473.net

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Received on Mon Sep 26 2011 - 16:54:29 ART

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