Policing - what happens to violate packets?

From: allboutcisco (frenzeus@streamyx.com)
Date: Mon Jun 26 2006 - 07:43:19 ART

Hi Group,

Looking at the config below:

Rack1R2#sh run | b policy-map
 policy-map QOS_IN
   class UDP
   police cir 128000 bc 2000 be 2000
     conform-action transmit
     exceed-action set-prec-transmit 0
  class TCP
   police cir 256000 bc 4000 be 8000
     conform-action transmit
     exceed-action set-prec-transmit 0

Taking class UDP as an example, policing rate for UDP is 128000bps, with a Bc bucket depth of 2000 bytes & a Be bucket depth of 2000 bytes as well. A bunch of packets arrive, assuming Bc bucket tokens are all used up to transmit & excess packets used up all of Be bucket tokens as well where the excess action is to set prec to 0 then transmit. Now assuming that there are still packets & since no action has been defined for violate - what happens to those packets?

Appreciate if someone could advise on this?

Thanks.

Cheers,
K

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