From: ВОЛКА (BOJIKA@mail.ru)
Date: Mon Oct 13 2003 - 13:55:52 GMT-3
interface serial 0/0
rate-limit input 256000 4000 96000 conform-action transmit exceed-action
drop
rate-limit output 256000 4000 96000 conform-action transmit exceed-action
drop
In the configuration example, CAR is applied on the input and output of a
customer
interface on the provider edge router. Traffic is policed to 256 Kbps on
input and
output, with some bursting allowed. All exceeding traffic is dropped at the
provider
edge.
The result of the configuration is that traffic to and from the customer is
limited to
the average rate of approximately 256kbps (256000 in the configuration) with
sustained bursts of approximately 32kbps (4kBps or 4000 in the
configuration).
Initial bursts at line speed can last up to 3 seconds because the token
bucket can
hold up to 96000 tokens (bytes) which equals 768000 bits (3 x 256000 bits).
----- Original Message -----
From: "seonghui" <seonghui@vads.com>
To: <ccielab@groupstudy.com>
Sent: Friday, October 10, 2003 6:45 PM
Subject: rate-limit question
> Hi,
>
> The task asks:
>
> user accessing server that use tcp port 1000 to 2000. On router 9
> FastEthernet interface, rate limit this traffic to 6 Mbps with normal burst
> of 200kbps and excess burst of 300kbps. Confirm traffic is marked as
> priority traffic and non-conforming traffic is also allowed without any
> marking. Rest of the traffic is rate limited to 2 Mbps with normal burst of
> 400kbps and excess burst of 500kbps. Conforming traffic is transmitted as
> normal priority and non-conforming traffic is discarded.
>
> Below is what i configured. Can anyone confirm if it is correct?
>
>
> interface FastEthernet0/0
> ip address 192.168.11.11 255.255.255.0
> rate-limit output access-group 102 6000000 200000 300000 conform-action
> set-prec-transmit 7 exceed-action continue
> rate-limit output access-group 102 2000000 400000 500000 conform-action
> set-prec-transmit 0 exceed-action drop
>
> access-list 102 permit tcp any any range 1000 2000
>
> And also, is there a way that I can use 'policing' to achieve the same
> results?
>
> regards - SH
>
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