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igmp statistics

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arun
Level 1
Level 1

‎11-13-2009 10:57 PM - edited ‎03-06-2019 08:36 AM

i am getting this error msg from one of my core switch.

2009-11-14 11:49:09 Local7.Info 10.87.250.2 1451: Nov 14 14:19:06.876 PHP: %MCAST-SP-6-ETRACK_STATS_LIMIT_EXCEEDED: Number of entries in IGMP snooping explicit-tracking statistics has exceeded the permanent threshold (25600). can i clear igmp statistics. will it cause any issues?.

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arjmenon
Level 1
Level 1
In response to arun

‎11-14-2009 12:46 AM

Yes you can track upto 128000 entries..

View solution in original post

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arjmenon
Level 1
Level 1

‎11-14-2009 12:18 AM

Has this device crashed before ?

If it has, then issuing the command "clear ip igmp snooping stat" may result in the same crash again;

Please refer this bug:

http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCsu88008

The workaround is to Disable explicit tracking by setting the explicit tracking database size to 0.

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native

/configuration/guide/snooigmp.html#wp1062242

NOTE:urning off explicit host tracking disables fast-leave processing and

proxy reporting.

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arun
Level 1
Level 1
In response to arjmenon

‎11-14-2009 12:37 AM

Hi,

Thanks for your prombt response.No, This 6506 device has never crashed before. i can increase the databse threshold right?

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arjmenon
Level 1
Level 1
In response to arun

‎11-14-2009 12:46 AM

Yes you can track upto 128000 entries..

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zeuscyril
Level 4
Level 4
In response to arjmenon

‎12-03-2013 12:42 AM

hi arjmenon,

in my 6500 series switches i already two vlans with the following configuration  down (working for 3 years), after that i tried to configure 2 more vlans like the same , after saving the config the 2 core switches are crashed.i dont know the reason,

in one of my core swith supervisor crashed and one gone to factory default.

after painful 2 nights i got the core switches back. after making up sometimes i am getting this message on my log.

%MCAST-SP-6-ETRACK_STATS_LIMIT_EXCEEDED: Number of entries in IGMP  snooping explicit-tracking statistics has exceeded the permanent  threshold (25600)

right now the client asking agian to create vlan for multicast  i am little bit tense to create. creation will give same issue again or i need to disable the tracking.

interface Vlan15

description * HiTV *

ip address 10.25.1.3 255.255.0.0

ip access-group from_vlan15 in

ip pim sparse-mode

ip policy route-map Neos

ip igmp join-group 239.250.250.121

ip igmp join-group 239.250.250.112

ip igmp join-group 239.250.250.105

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ip igmp join-group 239.250.250.1

ip igmp join-group 239.200.1.100

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ip igmp join-group 239.200.1.3

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load-interval 30

standby 15 ip 10.25.1.1

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