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Community Member

DoS trouble

Hello All,

One of our 6509 switch was generating "icmpv6 multicast listener broadcast". I dont have any multicast or ipv6 configured on the device. The sup engine was choking during this trouble. I had to reboot the device to contain it.

Any one of you give me guidelines to avert this trouble.

TIA

JJQ

1 REPLY
Silver

Re: DoS trouble

It might be due to multicast enabled on some of your local machine which might cause unstable CPU.Try disabling PIM and see how it responeds.Refer URL

http://www.cisco.com/pcgi-bin/search/sr.pl?q='ip%20multicast%20rate-limit'%20%20on%206509&res=2&uid=&country=US&language=en&siteToSearch=cisco.com&filter=p&c_u=/en/US/products/hw/switches/ps708/products_tech_note09186a00804916e0.shtm

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