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Catalyst 6500 WS-C6506-E 12.2(18)SXF10 cpu 使用率99% IP input

longbaobao7
Level 1
Level 1

IP statistics:
Rcvd: 3857602322 total, 501718215 local destination
686208 format errors, 35741 checksum errors, 1200240995 bad hop count
1 unknown protocol, 3004213571 not a gateway
0 security failures, 0 bad options, 19799 with options
Opts: 0 end, 19783 nop, 0 basic security, 19783 loose source route
0 timestamp, 0 extended security, 0 record route
0 stream ID, 0 strict source route, 16 alert, 0 cipso, 0 ump
0 other
Frags: 4168 reassembled, 848 timeouts, 0 couldn't reassemble
24 fragmented, 0 couldn't fragment
Bcast: 2257529292 received, 1873 sent
Mcast: 1009314358 received, 704023955 sent
Sent: 1211775610 generated, 3254557904 forwarded
Drop: 929134507 encapsulation failed, 1105 unresolved, 0 no adjacency
23 no route, 0 unicast RPF, 5460064 forced drop
Drop: 1030 packets with source IP address zero

ICMP statistics:
Rcvd: 0 format errors, 0 checksum errors, 15220530 redirects, 103418 unreachable
135216913 echo, 1051 echo reply, 386 mask requests, 0 mask replies, 0 quench
0 parameter, 567 timestamp, 371 info request, 8 other
109 irdp solicitations, 0 irdp advertisements
Sent: 56720516 redirects, 48194565 unreachable, 1325 echo, 135216864 echo reply
0 mask requests, 0 mask replies, 0 quench, 567 timestamp
0 info reply, 242699481 time exceeded, 0 parameter problem
0 irdp solicitations, 0 irdp advertisements

1 条回复1

可能是有报文 process-switched了,关于6509的high cpu问题,使用show process cpu sort | ex 0.0的命令是必须的了。更多的排查指南,可以参考如下两个链接:

https://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/63992-6k-high-cpu.html

https://community.cisco.com/t5/networking-knowledge-base/troubleshooting-high-cpu-on-a-6500/ta-p/3125784

希望有帮助 :)

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