Re: 3750G

thanks shahid, just to get more clarity. rate-limit is also another form of
policing so how come the burst size is diff is that.

naman

On 1 April 2010 13:46, Shahid Ansari <shahid1357_at_gmail.com> wrote:

>
> Formula is right ..
>
> 3750GSWITCH(config-pmap-c)#police 250000000 ?
> <8000-1000000> Normal burst bytes
>
> max it can go 1Mb :) only
>
> but If you try rate-limit
>
> int g0/1/10
> no switchport
> ip address x.x.x.x x.x.x.x
> rate-limit input 250000000 46875000 46875000 conform-action transmit
> exceed-action drop
>
>
> in my opinion rate-limit will do what you want ?
>
> Thanks
> Shahid
>
>
>
> On Thu, Apr 1, 2010 at 10:08 PM, naman sharma <naman.prep_at_gmail.com>wrote:
>
>> Shahid,
>>
>> Yes i have a L3 interface in which i would be doing ingress policing. so
>> in case i need to police at 250 mb on a 1 gig link. what would be the
>> formula. is the same formula posted on cisco website
>>
>> normal burst = configured rate * (1 byte)/(8 bits) * 1.5 seconds
>>
>> extended burst = 2 * normal burst
>>
>> also can you share your configuration and what do you think will 3750G be able to police at 250 mb.
>>
>> thanks
>> naman
>>
>>
>>
>> On 1 April 2010 03:01, Shahid Ansari <shahid1357_at_gmail.com> wrote:
>>
>>> Nauman ,
>>>
>>> As per the calculation bc should be 46875000, which is not supported
>>> :),Max you can put it 1 Mb .
>>> If it is L3 Interface , did you tried with rate-limit ?
>>> In 3750G , I have done some bandwidth control for Ingress as well as
>>> egress traffic by using Police(Ingress) and Srr-queue (Egress) commands
>>>
>>>
>>>
>>> Thanks
>>> Shahid Ansari
>>>
>>>
>>>
>>>
>>> On Tue, Mar 30, 2010 at 10:20 PM, naman sharma <naman.prep_at_gmail.com>wrote:
>>>
>>>> Hi experts,
>>>>
>>>> I have a 3750G switch and i am doing ingress traffic policing as it only
>>>> supports that.
>>>>
>>>> Now i want to police my traffic at 250Mb on a 1Gig link. The problem is
>>>> that
>>>> the max burst capacity supported by 3750G is 1MB. now i am little
>>>> confused.
>>>>
>>>> unlike shaping the buckets are not filled at regular time intervals in
>>>> policing but are replenished in comparison to when did the last packet
>>>> came
>>>> and the Bc(burst) is only the depth of the bucket in which tokens are
>>>> filled. This is when i am using single bucket logic.
>>>>
>>>> So would i be able to achieve my policing at 250MB even if i put my max
>>>> burst to 1 MB. Need some help here on the logic.
>>>>
>>>> Thanks
>>>> Naman
>>>>
>>>>
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Received on Thu Apr 01 2010 - 13:51:56 ART