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Cisco Bug: CSCtc30868 - Irregular CPU (peaks) on Cat6500 rtr responder

Last Modified

Feb 22, 2018

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(18)SXF15a

Description (partial)

None
Symptom:

Variable CPU on RTR responder (IP SLA responder) on Catalyst 6500 platform when a single probe is
targeted to the Responder. Sensible and non expected peak of CPU every 4 to 5 minutes.

Conditions:

Observed on Catalyst 6500 and not on other IOS software switching platform like 2800, 3800, 7200.
Experienced with 12.2SXF (Engine 1) and 12.2SXH (Engine 2). It is expected that this is a general
problem with responder on Catalyst 6500. Operation configuration:

ip sla monitor 1001
  type jitter dest-ipaddr 10.56.255.244 dest-port 50001 source-ipaddr 10.55.251.186 num-packets 2900
interval 20
  request-data-size 172
  frequency 60
  timeout 500
!
ip sla monitor schedule 1001 life forever start-time now
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