From: Daniel Berlinski (Daniel.Berlinski@telecom.co.nz)
Date: Tue Nov 22 2005 - 03:41:13 GMT-3
Hi there
I'm trying to work out how the burst size calculations differ from CAR comparing to Class-based policing.
If I'm given a question to configure class-based policing based on an implemented CAR configuration what would be the recommended approach?
Please correct me if I'm wrong but if CAR relates to a single bucket algorithm where normal burst + burst exceeded figures are determining the depth of the token bucket, a direct translation to class based policing would become a single rate two colour (1bucket) ?
The following output from a CAR config would translate to class-based policing with a bc value of 4500 bytes and be value of 0 bytes?
FastEthernet0/0
Input
matches: all traffic
params: 80000 bps, 1500 limit, 3000 extended limit
conformed 0 packets, 0 bytes; action: transmit
exceeded 0 packets, 0 bytes; action: drop
last packet: 22838199ms ago, current burst: 0 bytes
last cleared 00:00:51 ago, conformed 0 bps, exceeded 0 bps
Thanks for your help
DB
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