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Replies

CPU high utilization_C3750 stack

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wajid dabir
Level 1
Level 1

‎01-26-2014 11:59 PM - edited ‎03-07-2019 05:48 PM

my stack switch CPU utilization is show very high.can anyone guide me to solve the same.

Below is the interface detail.

Switch: C3750x-48T

UG-GW-CORE#sh proc cpu | e 0.00

CPU utilization for five seconds: 34%/1%; one minute: 36%; five minutes: 36%

PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process

  10      833688   1686490        494  0.31%  0.71%  0.63%   0 ARP Input

  69      144766     30391       4763  0.15%  0.13%  0.11%   0 Compute load avg

  74     4470389    735065       6081  2.86%  2.75%  2.77%   0 RedEarth Tx Mana

  80     1068811     60462      17677  0.79%  0.70%  0.65%   0 Adjust Regions

116     2567337    295705       8682  1.58%  1.55%  1.56%   0 hpm counter proc

156    24497604   2908539       8422 15.57% 14.80% 14.65%   0 Hulc LED Process

167      546741     30415      17976  0.31%  0.31%  0.31%   0 HQM Stack Proces

198      604538   1052522        574  0.31%  0.58%  0.55%   0 IP Input

217     8967911   1674951       5354  6.04%  5.16%  5.23%   0 Spanning Tree

Regards,

Wajid davir

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1 Accepted Solution

Accepted Solutions

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Ankur Arora
Level 1
Level 1
In response to wajid dabir

‎01-27-2014 06:23 AM

Wajid,

As a workaround and to reduce the CPU consumption of this process, go ahead and shut down all unused interfaces, and it might bring down the CPU consumed due to HULC LED little bit.

The High CPU consumption because of HULC LED process won't imact your network at all.

Thanks

Ankur

"Please rate the post if found useful"

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6 Replies 6

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Arumugam Muthaiah
Cisco Employee
Cisco Employee

‎01-27-2014 01:59 AM

Hi Wajid,

Based on your input i could see that there is Hulc LED Process process which is utilizing more CPU than the other.

The below Bug matching this behavior presently,

  • CSCsi78581 - Hulc LED Process uses 10-15% CPU on Catalyst 3750/3560
  • This issue has been observed in 3560X/3750X with PoE, running 12.2(53)SE1 release
  • This is normal behavior. One can expect that the overall CPU utilization will be between 25 – 35%.
  • Plugging PoE devices into all ports on a 3750-X switch will cause the CPU utilization to increase however it will remain in the normal 25 – 35% range.
  • This doesnt cause any impact

If you see any issue still, please capture the below commands and share for the further analysis,

#show processes cpu sort | ex 0.00%

#show processes cpu history

#show platform port-asic stats drop

#show controllers cpu-interfaces

#show log

#show version

Feel free to call me if you need more clarification.

Regards,

Aru

*** Please rate if the post is useful ***

Regards, Aru *** Please rate if the post useful ***
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wajid dabir
Level 1
Level 1
In response to Arumugam Muthaiah

‎01-27-2014 04:45 AM

Dear Aru,

     This is a WS-C3750X-48T, which is connected in stack, only access switches are terminated on this switch,no fiber module also we have use on core switch.

The running IOS version is

Version 12.2(55)SE5

Still the cpu utilization reach to 40% above.

What can be the possible issue.

waiting for your reply.

Regards,

Wajid

9167642634

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Go to solution
wajid dabir
Level 1
Level 1
In response to wajid dabir

‎01-27-2014 04:54 AM

Dear Aru,

Find the below requested Detail

Show Logging:

UG-GW-CORE#sh loggin
Syslog logging: enabled (0 messages dropped, 0 messages rate-limited, 0 flushes, 0 overruns, xml disabled, filtering disabled)

No Active Message Discriminator.

No Inactive Message Discriminator.


    Console logging: level debugging, 795 messages logged, xml disabled,
                     filtering disabled
    Monitor logging: level debugging, 6 messages logged, xml disabled,
                     filtering disabled
    Buffer logging:  level debugging, 795 messages logged, xml disabled,
                     filtering disabled
    Exception Logging: size (4096 bytes)
    Count and timestamp logging messages: disabled
    File logging: disabled
    Persistent logging: disabled

No active filter modules.

    Trap logging: level informational, 808 message lines logged
        Logging to 10.10.10.66  (udp port 514,  audit disabled,
              authentication disabled, encryption disabled, link up),
              808 message lines logged,
              0 message lines rate-limited,
              0 message lines dropped-by-MD,
              xml disabled, sequence number disabled
              filtering disabled                                    

Log Buffer (4096 bytes):
ted 10.11.35.103 302 packets
.Jan 27 10:26:32.934 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 10:31:33.559 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 10:36:34.561 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 10:41:35.084 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 10:46:35.700 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 10:51:36.358 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 10:56:36.974 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 11:01:37.783 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 11:06:38.365 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 11:11:39.006 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 11:16:39.647 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 11:21:40.574 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 11:26:41.072 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 11:31:41.705 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 11:36:42.363 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 11:41:43.247 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 11:43:30.958 IST: %SYS-5-CONFIG_I: Configured from console by ugamnet on vty1 (10.11.35.103)
.Jan 27 11:44:38.318 IST: %SYS-5-CONFIG_I: Configured from console by ugamnet on vty1 (10.11.35.103)
.Jan 27 11:46:43.888 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 11:51:44.504 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 11:56:45.145 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 12:01:45.770 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 12:06:46.377 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 12:11:46.976 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 12:16:47.567 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 12:21:48.393 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 12:24:21.796 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.10.8.65 1 packet
.Jan 27 12:26:48.841 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 12:29:49.189 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.10.8.65 1 packet
.Jan 27 12:31:49.440 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 12:34:49.754 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.10.8.65 2 packets
.Jan 27 12:36:49.989 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 12:41:50.865 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 12:46:51.355 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 12:51:51.963 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 12:56:52.570 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 13:01:53.161 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 13:06:53.777 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 13:11:54.359 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 13:16:55.227 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets
.Jan 27 13:21:55.784 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 300 packets
.Jan 27 13:26:56.392 IST: %SEC-6-IPACCESSLOGS: list access-in permitted 10.11.35.103 298 packets

UG-GW-CORE#sh platform port-asic stats drop

Port-asic Port Drop Statistics - Summary
========================================
  RxQueue Drop Statistics Slice0
   RxQueue 0 Drop Stats Slice0: 0
   RxQueue 1 Drop Stats Slice0: 0
   RxQueue 2 Drop Stats Slice0: 0
   RxQueue 3 Drop Stats Slice0: 0
  RxQueue Drop Statistics Slice1
   RxQueue 0 Drop Stats Slice1: 0
   RxQueue 1 Drop Stats Slice1: 0
   RxQueue 2 Drop Stats Slice1: 0
   RxQueue 3 Drop Stats Slice1: 0

  Port  0 TxQueue Drop Stats: 0
  Port  1 TxQueue Drop Stats: 0
  Port  2 TxQueue Drop Stats: 0
  Port  3 TxQueue Drop Stats: 0
  Port  4 TxQueue Drop Stats: 0
  Port  5 TxQueue Drop Stats: 0
  Port  6 TxQueue Drop Stats: 0
  Port  7 TxQueue Drop Stats: 0
  Port  8 TxQueue Drop Stats: 0
  Port  9 TxQueue Drop Stats: 0
  Port 10 TxQueue Drop Stats: 0
  Port 11 TxQueue Drop Stats: 0
  Port 12 TxQueue Drop Stats: 0
  Port 13 TxQueue Drop Stats: 0
  Port 14 TxQueue Drop Stats: 0
  Port 15 TxQueue Drop Stats: 0
  Port 16 TxQueue Drop Stats: 0
  Port 17 TxQueue Drop Stats: 0
  Port 18 TxQueue Drop Stats: 0
  Port 19 TxQueue Drop Stats: 0
  Port 20 TxQueue Drop Stats: 0
  Port 21 TxQueue Drop Stats: 0
  Port 22 TxQueue Drop Stats: 0
  Port 23 TxQueue Drop Stats: 0
  Port 24 TxQueue Drop Stats: 0
  Port 25 TxQueue Drop Stats: 0
  Port 26 TxQueue Drop Stats: 0
  Port 27 TxQueue Drop Stats: 0

  Supervisor TxQueue Drop Statistics
    Queue  0: 0
    Queue  1: 0
    Queue  2: 0
    Queue  3: 0
    Queue  4: 0
    Queue  5: 0
    Queue  6: 0
    Queue  7: 0
    Queue  8: 0
    Queue  9: 0
    Queue 10: 0
    Queue 11: 0
    Queue 12: 0
    Queue 13: 0
    Queue 14: 0
    Queue 15: 0

Port-asic Port Drop Statistics - Details
========================================
  RxQueue Drop Statistics Slice0
      Queue 0 DropThreshold 0 0 DropThreshold 1 0  DropThreshold 2 0
      Queue 1 DropThreshold 0 0 DropThreshold 1 0  DropThreshold 2 0
      Queue 2 DropThreshold 0 0 DropThreshold 1 0  DropThreshold 2 0
      Queue 3 DropThreshold 0 0 DropThreshold 1 0  DropThreshold 2 0
  RxQueue Drop Statistics Slice1
   Queue 0
      DropThreshold 0 0
      DropThreshold 1 0
      DropThreshold 2 0
   Queue 1
      DropThreshold 0 0
      DropThreshold 1 0
      DropThreshold 2 0
   Queue 2
      DropThreshold 0 0
      DropThreshold 1 0
      DropThreshold 2 0
   Queue 3
      DropThreshold 0 0
      DropThreshold 1 0
      DropThreshold 2 0

  Port 0 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 1 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 2 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 3 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 4 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 5 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 6 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 7 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 8 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 9 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 10 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 11 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 12 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 13 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 5
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 6
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 7
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0

  Port 14 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 1
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 2
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 3
      Weight 0 Frames 0
      Weight 1 Frames 0
      Weight 2 Frames 0
    Queue 4
      Weight 0 Frames 0
      Weight 1 Frames 0
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    Queue 5
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    Queue 7
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  Port 15 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
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    Queue 1
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  Port 16 TxQueue Drop Statistics
    Queue 0
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    Queue 1
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    Queue 7
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  Port 17 TxQueue Drop Statistics
    Queue 0
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    Queue 1
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    Queue 3
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    Queue 5
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    Queue 6
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    Queue 7
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  Port 18 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
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    Queue 1
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    Queue 2
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    Queue 3
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    Queue 4
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    Queue 7
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  Port 19 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
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    Queue 1
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    Queue 2
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    Queue 4
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    Queue 5
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  Port 20 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
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    Queue 1
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    Queue 2
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  Port 21 TxQueue Drop Statistics
    Queue 0
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  Port 22 TxQueue Drop Statistics
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    Queue 1
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  Port 23 TxQueue Drop Statistics
    Queue 0
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    Queue 1
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  Port 24 TxQueue Drop Statistics
    Queue 0
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    Queue 1
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  Port 25 TxQueue Drop Statistics
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    Queue 1
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  Port 26 TxQueue Drop Statistics
    Queue 0
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    Queue 1
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  Port 27 TxQueue Drop Statistics
    Queue 0
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    Queue 1
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    Queue 7
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  Supervisor TxQueue Drop Statistics
    Queue  0: 0
    Queue  1: 0
    Queue  2: 0
    Queue  3: 0
    Queue  4: 0
    Queue  5: 0
    Queue  6: 0
    Queue  7: 0
    Queue  8: 0
    Queue  9: 0
    Queue 10: 0
    Queue 11: 0
    Queue 12: 0
    Queue 13: 0
    Queue 14: 0
    Queue 15: 0

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Arumugam Muthaiah
Cisco Employee
Cisco Employee
In response to wajid dabir

‎01-27-2014 05:13 AM

Hi Wajid,

Thanks for your kind response. I could see that the we are not seeing drops on CPU queue.

UG-GW-CORE#sh proc cpu | e 0.00

CPU utilization for five seconds: 34%/1%; one minute: 36%; five minutes: 36%

PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process

156    24497604   2908539       8422 15.57% 14.80% 14.65%   0 Hulc LED Process <===========

217     8967911   1674951       5354  6.04%  5.16%  5.23%   0 Spanning Tree

The "Hulc LED" process does following tasks:
  • Check Link status on every port
  • If the switch supports POE, it checks to see if there is a Power Device (PD) detected
  • Check the status of the transceiver
  • Update Fan status
  • Set Main LED and ports LEDs
  • Update both Power Supplies and RPS
  • Check on system temperature status

One can expect that the overall CPU utilization will be between 25 – 35%. Please verify the below commands to verify which process is utilizing the CPU

#show processes cpu sort | ex 0.00%

#show processes cpu history

If the CPU utilization high due to Hulc LED Process, then this expected behavior and Please note that all of the packet forwarding is done in hardware and not by the CPU. So this doesnt cause any impact of any services

Please feel free to call me if you need more clarification.

Regards,

Aru

*** Please rate if the post is useful ***

Regards, Aru *** Please rate if the post useful ***
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Ankur Arora
Level 1
Level 1
In response to wajid dabir

‎01-27-2014 06:23 AM

Wajid,

As a workaround and to reduce the CPU consumption of this process, go ahead and shut down all unused interfaces, and it might bring down the CPU consumed due to HULC LED little bit.

The High CPU consumption because of HULC LED process won't imact your network at all.

Thanks

Ankur

"Please rate the post if found useful"

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wajid dabir
Level 1
Level 1
In response to Ankur Arora

‎03-03-2014 12:07 AM

Thanks Ankur,

I have shut down the unused interface, after that the cpu utilization has decreased.

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