[c-nsp] Operational impact of switching from ingress to egress replication mode

Phil Mayers p.mayers at imperial.ac.uk
Tue Sep 21 15:47:40 EDT 2010


On 09/21/2010 08:27 PM, Benjamin Lovell wrote:
> The primary thing to worry about here is the mcast packet rate not
> number of mroutes. Replication change will cause all mcast packets to
> be punted to CPU for a short period(few 100 msec or so).

Remember you can rate-limit this with the MLS limiters. Whilst they 
defaults are (very) high, lowering it for the duration of this change 
could ease the problems.


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