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Cisco Bug: CSCvh68446 - ASR920 Increase QoS credit to 4096 for Video SDM

Last Modified

Aug 21, 2019

Products (1)

  • Cisco ASR 920 Series Aggregation Services Router

Known Affected Releases

15.6(2)S 16.6.2

Description (partial)

Symptom:
QoS stops working for new interfaces after we cross the QoS credit limit.
The current number os QoS credits for SDM Video template is 2048.

Router#show sdm prefer current
The current template is the "video" template.

Router#show policy-map interface gigabitEthernet 0/0/11 | i offer
      30 second offered rate 0000 bps, drop rate 0000 bps
      30 second offered rate 0000 bps, drop rate 0000 bps
      30 second offered rate 0000 bps, drop rate 0000 bps
      30 second offered rate 0000 bps, drop rate 0000 bps
      30 second offered rate 0000 bps, drop rate 0000 bps

Router#show platform hardware pp active tcam utilization qos detail 0
Cylon Tcam Utilization per Application and Region
ES == Entry size == Number of 80 bit TCAM words

App/Region                Start     Num Avail  ES  Region    Range     Used      Range     Num Used  
---------------------------------------------------------------------------------------------------
QOS                       0xf000    0x0800     2   000000    000000    000000    000000    2010      

Scale limit: 2048
Threshold configured: 0%
Current usage: 2010 (98% approx.)

Conditions:
SDM Video template configured.
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