From: Erick Bergquist (ebergquist@ameritech.net)
Date: Tue Jul 22 2003 - 00:54:15 GMT-3
Brian,
I've been scrounging around Cisco but haven't found a
answer yet , so thought I'd ask you.
Do you know if the 'show policy int' counters increase
when there is congestion only, or do they increase for
anything that matches the policy even without
congestion? Just curious; seems they increase for all
matches. Is there a counter anywhere for amount of
packets that match priority class but don't get low
latency because they are in excess of configured rate?
--- Brian McGahan <brian@cyscoexpert.com> wrote:
> The LLQ does not police all traffic in excess of
> the configured
> rate. Traffic in excess of the configured rate may
> be sent, but it is
> not guaranteed low latency. The policing function
> of the LLQ only kicks
> in when there is congestion on the line. Therefore,
> traffic in the LLQ
> *can* consume the entire bandwidth of a link, but
> only when there is no
> other traffic to be sent, and only traffic up to the
> configured rate is
> dequeued first.
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