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Rate-limit

From the statement below,the normal and max burst(2000 2000),are these parameters set up arbitrary or by calculation?Please advise

rate-limit input access-group 120 360000 2000 2000 conform-action

transmit exceed-action drop

5 REPLIES
New Member

Re: Rate-limit

We calculate as follows...as specifications of Cisco.

Bits per second = MBits*1000000

Normal burst bytes = (Bits per second)/8*1,5

Maximum burst bytes = (Normal burst bytes)*2

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Regards,

Raul

New Member

Re: Rate-limit

Hi Raul,

You are right,your answer can be verified by the statement below,keep it up!

rate-limit output 128000 24000 48000 conform-action transmit exceed-action drop

New Member

Re: Rate-limit

So, if we have 155 Mbps, then it will be:

Bits per second = MBits*1000000 = 155000000

Normal burst bytes = (Bits per second)/8*1,5 = 29062500

Maximum burst bytes = (Normal burst bytes)*2 = 58125000

e.g:

interface gigabitEthernet 0/3

rate-limit input 155000000 29062500 58125000 conform-action transmit exceed-action drop

rate-limit output 155000000 29062500 58125000 conform-action transmit exceed-action drop

-zamri-

New Member

Re: Rate-limit

Yes that's is ok.

New Member

Thank you. :)

-zamri-

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