Guest

Preview Tool

Cisco Bug: CSCur11591 - 3850 policy-map o/p priority class increments with no priority traffic

Last Modified

Nov 27, 2020

Products (1)

  • Cisco Catalyst 3850 Series Switches

Known Affected Releases

3.6(0)

Description (partial)

Symptom:
show policy-map interface x/y show increment for priority traffic even when no priority traffic

For example :

3850_TEST#sh int g3/0/23 | inc put
  Last input 00:00:06, output never, output hang never
  Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0
  Output queue: 0/40 (size/max)
  30 second input rate 0 bits/sec, 0 packets/sec
  30 second output rate 0 bits/sec, 0 packets/sec
     200 packets input, 16274 bytes, 0 no buffer    <<<
     936 packets output, 73583 bytes, 0 underruns <<<

3850_TEST#sh int g3/0/23 | inc put
  Last input 00:00:19, output never, output hang never
  30 second input rate 0 bits/sec, 0 packets/sec
  30 second output rate 0 bits/sec, 0 packets/sec
     200 packets input, 16274 bytes, 0 no buffer      <<<<<<<<<<<<<<
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 37 multicast, 0 pause input
     0 input packets with dribble condition detected
     946 packets output, 74633 bytes, 0 underruns      <<<<<<<<<<
     0 output errors, 0 collisions, 0 interface resets
     0 lost carrier, 0 no carrier, 0 pause output
     0 output buffer failures, 0 output buffers swapped out

3850_TEST#sh policy-map interface g3/0/23 | sec prio
    queue stats for all priority classes:
      Queueing
      priority level 1

      (total drops) 0
      (bytes output) 4464      <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

    queue stats for all priority classes:
      Queueing
      priority level 2

      (total drops) 0
      (bytes output) 0

3850_TEST#sh policy-map interface g3/0/24 | sec prio
    queue stats for all priority classes:
      Queueing
      priority level 1

      (total drops) 0
      (bytes output) 5134      <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

    queue stats for all priority classes:
      Queueing
      priority level 2

      (total drops) 0
      (bytes output) 0

Conditions:
When priority class is configured and no priority traffic on port
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.