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причина загрузки CPU y catalyst 3850 http://anticisco.ru/forum/viewtopic.php?f=2&t=10610 |
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Автор: | zoperz [ 04 авг 2018, 01:28 ] |
Заголовок сообщения: | причина загрузки CPU y catalyst 3850 |
Доброго времени суток ! Switch Ports Model SW Version SW Image Mode ------ ----- ----- ---------- ---------- ---- * 1 32 WS-C3850-24T 03.06.04.E cat3k_caa-universalk9 INSTALL 2 32 WS-C3850-24T 03.06.04.E cat3k_caa-universalk9 INSTALL Может быть кто то сталкивался с аналогичной проблемой ? show processes cpu sort | exclude 0.0 Core 0: CPU utilization for five seconds: 99%; one minute: 98%; five minutes: 98% Core 1: CPU utilization for five seconds: 100%; one minute: 98%; five minutes: 98% Core 2: CPU utilization for five seconds: 97%; one minute: 97%; five minutes: 98% Core 3: CPU utilization for five seconds: 97%; one minute: 97%; five minutes: 98% PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 5678 1158622 32694790 4526 76.00 75.48 75.35 1088 fed 6167 2194325 26141550 3870 22.16 22.12 22.09 0 pdsd 10260 3136304 36563614 163 0.15 0.53 0.59 0 iosd show platform punt client tag buffer jumbo fallback packets received failures alloc free bytes conv buf 27 0/1024/2048 0/5 0/5 0 0 0 0 0 65536 0/1024/1600 0/0 0/512 266996970 266996970 4083496207 0 0 65537 0/ 512/1600 0/0 0/512 38723917 38723917 4276590479 0 0 65538 0/ 5/5 0/0 0/5 0 0 0 0 0 65539 1/2048/1600 0/16 0/512 9416819 9420989 2098099641 438 0 65540 0/ 128/1600 0/8 0/0 3455436 3455506 630316152 70 0 65541 0/ 128/1600 0/16 0/32 154144699 175263322 2600124678 23 0 65542 0/ 768/1600 0/4 0/0 9325774 94843366 688255684 0 0 65544 0/ 96/1600 0/4 0/0 0 0 0 0 0 65545 0/ 96/1600 0/8 0/32 0 0 0 0 0 65546 0/ 512/1600 0/32 0/512 20323221 20345839 2883000835 1 0 65547 0/ 96/1600 0/8 0/32 0 0 0 0 0 65548 0/ 512/1600 0/32 0/256 521990695 522100403 1247017566 109739 0 65551 0/ 512/1600 0/0 0/256 167 167 21350 0 0 65556 0/ 16/1600 0/4 0/0 0 0 0 0 0 65557 0/ 16/1600 0/4 0/0 0 0 0 0 0 65558 0/ 16/1600 0/4 0/0 12012854 12012857 1506763909 3 579 65559 0/ 16/1600 0/4 0/0 2032955654 2032955705 1806210779 63 3069 65560 0/ 16/1600 0/4 0/0 13575887 13575887 2384236554 0 448 65561 0/ 512/1600 0/0 0/128 17402236 28293246 732125742 0 0 65562 0/ 512/1600 0/0 0/256 0 0 0 0 0 65563 0/ 512/1600 0/0 0/256 0 0 0 0 0 65564 0/ 96/1600 0/8 0/32 0 0 0 0 0 65565 0/ 96/1600 0/8 0/32 0 0 0 0 0 65566 0/ 96/1600 0/8 0/32 0 0 0 0 0 65568 0/ 96/1600 0/8 0/32 0 0 0 0 0 65569 0/ 512/1600 0/16 0/256 0 0 0 0 0 65570 0/ 512/1600 0/16 0/256 0 0 0 0 0 65571 0/ 512/1600 0/16 0/256 0 0 0 0 0 65572 0/ 512/1600 0/16 0/256 0 0 0 0 0 65587 0/ 1/1 0/0 0/0 0 0 0 0 0 131071 0/ 96/1600 0/4 0/0 0 0 0 0 0 fallback pool: 0/1500/1600 jumbo pool: 0/128/9300 show pds tag all | in Active|Tags|65559 Active Client Client Tags Handle Name TDA SDA FDA TBufD TBytD 65559 7050592 Punt Rx ICMP Gen Redirect 2032956298 2032956298 0 2032956298 1808943595 show pds client 7050592 packet last sink Dumping Packet(20704) # 0 of Length 60 ----------------------------------------- Meta-data 0000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 0010 00 00 16 2e 00 00 00 00 00 00 00 00 55 af 59 70 ............U.Yp 0020 00 00 00 00 fd 01 10 df 00 5b 70 00 00 10 29 80 .........[p...). 0030 00 10 29 80 00 41 11 20 00 41 11 20 00 00 00 00 ..)..A. .A. .... 0040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 0050 00 00 00 3c 00 00 00 00 00 01 00 17 00 00 00 00 ...<............ 0060 01 07 76 80 00 00 00 c1 00 00 00 00 00 00 00 00 ..v............. 0070 01 07 8e 40 00 00 00 50 00 00 00 00 00 00 00 00 ...@...P........ 0080 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 0090 00 12 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00a0 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 00 ................ Data 0000 dc a5 f4 b5 71 f6 c0 8c 60 7e aa 02 08 00 45 00 ....q...`~....E. 0010 00 2c 98 14 00 00 63 06 56 83 dd d6 d2 2a ac 1c .,....c.V....*.. 0020 0d 17 0c 7c 05 99 6c 53 bc 34 00 00 00 00 60 02 ...|..lS.4....`. 0030 04 00 f1 58 00 00 02 04 04 b0 00 00 ...X........ show platform port-asic ifm iif-id 0x01078e4000000050 Interface Table Interface IIF-ID : 0x01078e4000000050 Interface Name : Gi2/0/1 Interface Block Pointer : 0x52f91088 Interface State : READY Interface Stauts : IFM-ADD-RCVD, FFM-ADD-RCVD Interface Ref-Cnt : 2 Interface Epoch : 0 Interface Type : ETHER Port Type : SWITCH PORT Port Location : REMOTE Slot : 2 Unit : 1 Slot Unit : 1 Acitve : Y SNMP IF Index : 38 GPN : 65 EC Channel : 0 EC Index : 0 Non Zero Feature Ref Counts FID : 52(AL_FID_L2_MATM), Ref Count : 1 No Sub Blocks Present за интерфейсом Gi2/0/1 находится cisco 3945 с NATом в интернет по трафику ничего криминального нет. отключение Gi2/0/1 не приводит к снижению нагруpки CPU |
Автор: | root99 [ 04 авг 2018, 09:39 ] |
Заголовок сообщения: | Re: причина загрузки CPU y catalyst 3850 |
zoperz Кроме как подбирать другие версии софта, других вариантов нет ( смотрите в сторону 16.х.х - а то сидите на откровенном старье ) |
Автор: | zoperz [ 21 авг 2018, 10:25 ] |
Заголовок сообщения: | Re: причина загрузки CPU y catalyst 3850 |
это баг IOS, подробности: https://quickview.cloudapps.cisco.com/q ... CSCuz57493 CSCuz57493High CPU observed in punjectrx fed-ots-main thread Symptom: High CPU utilization due to FED and punjectrx. These are some possible processes, please have TAC confirm this defect as there could be multiple reasons why this occurs. High Processes are likely to be one of the following: FED/fed-ots-main FED/Punject Rx FED/XCVR FED/XCVRPoll stack-mgr/Replenish OOB stack-mgr/OOBnd RX Conditions: This can be easily seen in the switches/stacks that has long uptime (several months). Workaround: When the problem is happening NONE of the following options work: - CPP (Control-Plane Policing) - Storm control - This problem can be confirmed by checking CPU usage from kernel perspective (Only TAC can check the kernel) Reload the device to resolve the issue until code upgrade to pick up permanent fix If this is a stack of multiple switches, a 'redundancy force-switchover' will not necessarily clear this. Further Problem Description: This can be confirmed by TAC without any impact to the switch. CSCuz57493 affect 3850/3650 platforms |
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