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Beginner

Checking on QoS

We have a router that does bandwidth limiting outbound:

....

class TAG-AF22

  set dscp af22

  bandwidth remaining percent 15

...

And inbound policing...

...

class QOS-TEST

  set dscp a11

  police cir 768000

   conform-action transmit

   exceed-action drop

...

Is there a way to show if these thresholds are ever being hit?  For example of QOS-TEST or TAG-AF22 were ever throttled?

Thanks

Bill

2 ACCEPTED SOLUTIONS

Accepted Solutions
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VIP Mentor

Hello

on the interfaces these policies are applied

int xx
serivice-policy in/output xxxx

show policy-map int xx



res
paul


Sent from Cisco Technical Support Android App



kind regards
Paul

Please rate and mark posts accordingly if you have found any of the information provided useful.
It will hopefully assist others with similar issues in the future

View solution in original post

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Disclaimer

The   Author of this posting offers the information contained within this   posting without consideration and with the reader's understanding that   there's no implied or expressed suitability or fitness for any purpose.   Information provided is for informational purposes only and should not   be construed as rendering professional advice of any kind. Usage of  this  posting's information is solely at reader's own risk.

Liability Disclaimer

In   no event shall Author be liable for any damages whatsoever (including,   without limitation, damages for loss of use, data or profit) arising  out  of the use or inability to use the posting's information even if  Author  has been advised of the possibility of such damage.

Posting

But for congestion on the class TAG-AF22 where would I look?  Is it the total drops?

Depends on how you define congestion.  Total drops records the number of times the queue overflowed; a result of congestion.

Queue depth shows packets currently queued, and when count is more than zero, you have congestion.

View solution in original post

4 REPLIES 4
Highlighted
VIP Mentor

Hello

on the interfaces these policies are applied

int xx
serivice-policy in/output xxxx

show policy-map int xx



res
paul


Sent from Cisco Technical Support Android App



kind regards
Paul

Please rate and mark posts accordingly if you have found any of the information provided useful.
It will hopefully assist others with similar issues in the future

View solution in original post

Highlighted

Thanks, +5, that's what I was looking for.  From the output I can see the CIR restrictions...

      police:

          cir 768000 bps, bc 24000 bytes

        conformed 43034439 packets, 21546043234 bytes; actions:

          transmit

        exceeded 1303684 packets, 1848827178 bytes; actions:

          drop

But for congestion on the class TAG-AF22 where would I look?  Is it the total drops?

    Class-map: TAG-AF22 (match-any)

      56393724 packets, 39300308195 bytes

      5 minute offered rate 0 bps, drop rate 0 bps

      Queueing

      queue limit 64 packets

      (queue depth/total drops/no-buffer drops) 0/163818/0

      (pkts output/bytes output) 56229899/39112431711

      QoS Set

        dscp af22

          Packets marked 56393724

      bandwidth remaining 15% (264 kbps)

Thanks,

Bill

Highlighted

Disclaimer

The   Author of this posting offers the information contained within this   posting without consideration and with the reader's understanding that   there's no implied or expressed suitability or fitness for any purpose.   Information provided is for informational purposes only and should not   be construed as rendering professional advice of any kind. Usage of  this  posting's information is solely at reader's own risk.

Liability Disclaimer

In   no event shall Author be liable for any damages whatsoever (including,   without limitation, damages for loss of use, data or profit) arising  out  of the use or inability to use the posting's information even if  Author  has been advised of the possibility of such damage.

Posting

But for congestion on the class TAG-AF22 where would I look?  Is it the total drops?

Depends on how you define congestion.  Total drops records the number of times the queue overflowed; a result of congestion.

Queue depth shows packets currently queued, and when count is more than zero, you have congestion.

View solution in original post

Highlighted

Thank you both!