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Dispatch unit High Cpu usage

Hi,

On ASA 5510 8.2.5(50)

We are contantly gettin high cpu usage for Dispatch unit process for last 10 hours. The Dispatch unit is taking approx 40% usage constantly.

We checked teh following:

1. The interfaces.

    No error counts, overruns, underruns reported.

2. show perform

    All connections below normal/avg. values

3.show conn and xlate

   Approx 1100 and 112

4. show traffic

    shows very less  drop counts ( max is 3 pkts/sec) on some interfaces not all.

    Traffic usage is very less . Approx 4Mbps from all interfaces cumulatively.

5. Checked inspections.

  No drops in global service policy [ only global is there]

------------------------------------------------------------------

# sh cpu usage 
CPU utilization for 5 seconds = 39%; 1 minute: 39%; 5 minutes: 39%

sh processes cpu-usage sorted 
PC         Thread       5Sec     1Min     5Min   Process
081aadc4   a79aff7c    35.7%    37.5%    42.5%   Dispatch Unit
0853f89e   a79a0b68     0.4%     0.2%     0.2%   ARP Thread

# sh conn count 
1138 in use, 8777 most used

# sh xlate count 
112 in use, 265 most used

# sh interface e0/0 | inc overrun
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
# sh interface e0/1 | inc overrun
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

 

# show perfmon detail

PERFMON STATS:                     Current      Average
Xlates                                0/s          0/s
Connections                          23/s         32/s
TCP Conns                            20/s         28/s
UDP Conns                             0/s          1/s
URL Access                            0/s          0/s
URL Server Req                        0/s          0/s
TCP Fixup                             0/s          0/s
TCP Intercept Established Conns       0/s          0/s
TCP Intercept Attempts                0/s          0/s
TCP Embryonic Conns Timeout           0/s          1/s
HTTP Fixup                            0/s          0/s
FTP Fixup                             0/s          0/s
AAA Authen                            0/s          0/s
AAA Author                            0/s          0/s
AAA Account                           0/s          0/s

VALID CONNS RATE in TCP INTERCEPT:    Current      Average
                                       N/A         85.00%

SETUP RATES:
Connections for 1 minute = 23/s; 5 minutes = 32/s
TCP Conns for 1 minute = 18/s; 5 minutes = 27/s
UDP Conns for 1 minute = 1/s; 5 minutes = 2/s

Regards,
Gurjit Singh
Network Engineer
Spooster IT Services.
Everyone's tags (1)
1 REPLY
New Member

Kindly suggest ASAP.Regards

Kindly suggest ASAP.

Regards,
Gurjit Singh
Network Engineer
Spooster IT Services.
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