Bursting with CAR

From: Herbert Maosa (asawilunda@googlemail.com)
Date: Sat Nov 03 2007 - 04:34:57 ART


Below is an example from Doc CD, which is a CAR configuration supporting
bursting.

interface hssi 0/0/0

 rate-limit output 15000000 2812500 5625000 conform-action transmit
exceed-action drop

My question is, with the exceed action being a drop, how does this
configuration support bursting ? The rate is considered exceeding when
it is between Bc and Be in this
example. Normally for bursting support I would configure an exceed
action that was a transmit, but would mark down the Precedence or Dscp
so that the packet
would have a high probability of being dropped in the core if there
was congestion experienced.

Does it work differently with CAR ?

H.



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