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Cisco Bug: CSCvv49687 - High CPU load on J2 LCs if NF is enabled with a simple ipv4 profile

Last Modified

Sep 30, 2020

Products (1)

  • Cisco Network Convergence System 5500 Series

Known Affected Releases

7.2.1.BASE

Description (partial)

Symptom:
Forwarding impact if netflow is enabled on NCS5500 with J2 LCs.

Syslog error messages like the below examples might be observed:
LC/0/2/CPU0:Aug 21 13:16:18.897 CEST: netio[205]: SPP ctx depl(alloc:57344,free:8192),(clients:57338,spp:6,plugin:5)(pid:0 - 8193)(pid:5845 - 24509#)(pid:4087 - 32799)(pid:4182 - 8#)(pid:4166 - 15#)(pid:3455 - 5)(pid:4163 - 7#)
LC/0/2/CPU0:Aug 21 13:16:18.953 CEST: spp[115]: SPP ctx depl(alloc:57344,free:8192),(clients:57338,spp:6,plugin:5)(pid:0 - 8193)(pid:5845 - 24509#)(pid:4087 - 32799)(pid:4182 - 8#)(pid:3455 - 5)(pid:4166 - 15#)(pid:4163 - 7#)
LC/0/2/CPU0:Aug 21 13:16:18.960 CEST: netio[205]: SPP ctx depl(alloc:57344,free:8192),(clients:57338,spp:6,plugin:5)(pid:0 - 8193)(pid:5845 - 24509#)(pid:4087 - 32799)(pid:4182 - 8#)(pid:3455 - 5)(pid:4166 - 15#)(pid:4163 - 7#)
LC/0/2/CPU0:Aug 21 13:16:18.967 CEST: spp[115]: SPP ctx depl(alloc:57344,free:8192),(clients:57338,spp:6,plugin:0)(pid:0 - 8198)(pid:5845 - 24509#)(pid:4087 - 32799)(pid:4182 - 8#)(pid:4166 - 15#)(pid:4163 - 7#)
LC/0/2/CPU0:Aug 21 13:16:19.118 CEST: bfd_agent[158]: %L2-BFD-6-SESSION_DAMPENING_ON : Session to neighbor x.x.x.x on interface HundredGigE0/2/0/1 entered Dampened state (initial: 16000 ms,secondary: 20000 ms,maximum: 600000 ms).

Conditions:
Netflow is enabled on Interfaces belonging to J2 LCs.
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