ip accounting

Answered Question
Apr 14th, 2008

Hi,

In relation to the ip accounting output-packets command, if packets are being accounted for then can we guarantee that the packet has left the interface?

In what order does ip accounting take place? I presume it would be after output ACL, NAT and crypto but how about QoS? During the QoS process a packet moves from software queue to hardware queue to the interface. It must be at some point during (or after?) this process that the ip accounting information would be incremented?

If you think you may have any useful info then please let me know..

Thanks,

Antony

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Correct Answer by Edison Ortiz about 8 years 7 months ago

I know it increments after it leaves the interface but I don't have a documentation as far as 'when' the incrementing it's taking place in term of the hardware queues.

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Edison Ortiz Mon, 04/14/2008 - 07:28

ip accounting is accounted after all the processes you've mentioned are completed.

The only packets ip accounting does not process, are packets originated by the router itself.

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Edison.

TECH SUPPORT Mon, 04/14/2008 - 07:58

Sorry to labour the point but the counter increments after the packet enters the harware queue or after it has left?

Can we guarantee that if ip accounting has incremented then the packet will have left the interface?

Thanks for your input.

Antony

Correct Answer
Edison Ortiz Mon, 04/14/2008 - 08:15

I know it increments after it leaves the interface but I don't have a documentation as far as 'when' the incrementing it's taking place in term of the hardware queues.

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