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Re: Another SAP Storm?


Chronological Thread 
  • From: Hank Nussbacher <>
  • To: Zenon Mousmoulas <>, Niels den Otter <>
  • Cc: Pekka Savola <>, , , Chris Robb <>, "Taylor, Scott J." <>,
  • Subject: Re: Another SAP Storm?
  • Date: Thu, 12 Jun 2008 08:43:50 +0300

At 11:45 PM 11-06-08 +0300, Zenon Mousmoulas wrote:

Not sure about JunOS, but I believe this should do the trick for Cisco
IOS:

ip access-list standard SAP-mcast-group
permit host 224.2.127.254
deny any any
exit

interface X/Y.Z
ip multicast rate-limit in group-list SAP-mcast-group 1000
exit

This should be applied at (interfaces facing) the edges of your
multicast network. It effectively means that any sources the router
sees with a rate exceeding 1000 kbps, it will not forward downstream.

This doesn't work in 12.2(18)SXF11 on a POS interface. Any other suggestion?

-Hank




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