about CB policing

From: Taiyi Sun (wanwalker2000@yahoo.ca)
Date: Sat Sep 11 2004 - 04:25:54 GMT-3


Hi, group,
 
I have questions about Class Based Policing.
 
Q1. if i want to use class base policing to limit the incoming traffic to 300K, how
could i decide the burst-normal and burst-max, how aoubt the exceed action to take,
and how to check whether my configuration is correct. Saying to limit telnet and ftp
traffic.
Q2. If the exceed action is remarking, does it mean the remarked packets can be propagated?
 Here is my configuration:
....
ip cef
...
class-map match-any telnet&ftp
 match protocol telnet
 match protocol ftp
...
policy-map rate_limit
 class telnet&ftp
  police 300000 37500 conform-action transmit exceed-action drop
.....
interface s0/0
....
service-policy inpuit rate_limit
Q3. Is the configuration above correct?
Q4. When I configured "police 300000" command under policy-map, it's will show
    "police 300000 9250 9250 conform-action transmit exceed-action drop". What does
    9250 mean? And how does it calculate?
any response will be appreciated?



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