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how do i check to see if my routers support 32 or 64 bit counters

Posted on 2012-04-03
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Last Modified: 2012-04-03
I need to check to see if my cisco routers support 64 bit counters. Is there a way to verify this inside of the router? does it need to be enabled?
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Question by:knfitz
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ErwindeVries earned 500 total points
ID: 37801173
Hi Knfitz,

This site will help you with your problem.

http://www.cisco.com/en/US/tech/tk648/tk362/technologies_q_and_a_item09186a00800b69ac.shtml

Greetz,

Erwin de Vries
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by:knfitz
ID: 37801246
thanks, I can see from the article that 64 bit counters are not supported on cisco for interfaces less than 20 meg. so Let me ask this. If I have an mpls router with a 10/100 interface and my available bandwidth is 30 meg from my provider. Should I use 64 bit counters?
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by:ErwindeVries
ID: 37801526
Hi Knfitz,

On site from the link provided:

"Q. When should 64-bit counters be used?

For interfaces that operate at 20,000,000 (20 million) bits per second or less, you must use 32-bit byte and packet counters. For interfaces that operate faster than 20 million bits per second, and slower than 650,000,000 bits per second, you must use 32-bit packet counters and 64-bit octet counters. For interfaces that operate at 650,000,000 bits/second or faster, 64-bit packet and octet counters must be used."

It depends on your situation, I think you need to answer your own question with the information provided by cisco as I do not have enough information about your situation.


***EDIT***
And yes your router would support 64 bit counters when the interface is set on full duplex 100.
***EDIT***

Greetz,

Erwin de Vries
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