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Cisco Bug: CSCuq92458 - PfRv3: No Traffic-Classes Learned on Branch after Enabling Zero-SLA

Last Modified

Jan 18, 2020

Products (120)

  • Cisco IOS
  • Cisco Catalyst 3650-24PDM-E Switch
  • Cisco Catalyst 3650-8X24UQ-E Switch
  • Cisco Catalyst 3650-24PD-E Switch
  • Cisco Catalyst 3650-12X48UQ-L Switch
  • Cisco Catalyst 3850-16XS-S Switch
  • Cisco Catalyst 3850-24U-S Switch
  • Cisco Catalyst 3650-48TQ-L Switch
  • Cisco Catalyst 3850-32XS-E Switch
  • Cisco Catalyst 3650-48FQ-E Switch
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Known Affected Releases

15.5(2)S 15.5(2)T 15.5(3)S 15.5(3)S0.2 15.5(3)S3.20 Denali-16.3.3

Description (partial)

Symptom:
A branch router may not learn traffic-classes with PfRv3 enabled due to the PfRv3 performance monitors not being properly downloaded onto the QFP. This can be verified by checking the following commands -

show performance monitor cache detail
show platform hardware qfp active feature mma client db class-action all

The first command will show no active flows for the PfRv3 performance monitors. The second command may show corrupted XML for the monitors on the QFP. Additionally, the following command may show a non-zero 'Pending-issue' update counter -

ISR4K#show platform software object-manager fp active statistics 
Forwarding Manager Asynchronous Object Manager Statistics

Object update: Pending-issue: 2371, Pending-acknowledgement: 0
Batch begin:   Pending-issue: 0, Pending-acknowledgement: 0
Batch end:     Pending-issue: 0, Pending-acknowledgement: 0
Command:       Pending-acknowledgement: 0
Total-objects: 3148
Stale-objects: 0
Error-objects: 1

The error-object will show a failed CCE finding for 'mma' -

ISR4K_MC_Branch1#show platform software object-manager fp active error-object 
Object identifier: 1088
  Description: CCE binding cg=11064720, class=12927473, feat=mma(27)
  Status: Modify/delete-failed

Conditions:
Change the WAN interface type of the hub BR from non-zero-SLA to zero-SLA or vice-versa.
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