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Cisco Bug: CSCsz42444 - 'IP SLA MPLSLM Pr' high on boot 500 probes w/ ScanInterval as 5

Last Modified

Feb 09, 2017

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)


"IP SLA MPLSLM Pr" process consumes cpu cycles for more than 96% constantly.

r1028#show process cpu    
CPU utilization for five seconds: 100%/0%; one minute: 98%; five minutes: 59%
 PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process 
286           0         3          0  0.00%  0.00%  0.00%   0 EEM ED Config    
 287           0         3          0  0.00%  0.00%  0.00%   0 EEM ED Env       
 288      293880      3893      75489 97.27% 96.80% 60.98%   0 IP SLA MPLSLM Pr <<<<<<<<

1. System crash is seen when booting a C10K which enables IP SLA LSP health monitor and set
ScanInterval as 5 minutes for a VRF which has over 500 VPNv4 routes learned from another PE.
2. The fix of the crash problem disclose the cpu high problem.
2.The cpu high problem is not seen in either 12.2(33)SB2 or 12.2(33)SB5.
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