1. For a Catalyst 6513, In the situation that the CPU utilization shoot up with no appearance reason, how and what should I look for that cause the high cpu?
2. I used the show process cpu sorted 5min | exclude [0-9.]+% +[0-9.]+% +0.00%, but from the output I can't determined what is the cause as well, please help?
3. Is there any command that I can use to check which interfaces contribute the most traffic?
CPU utilization for five seconds: 26%/24%; one minute: 25%; five minutes: 25%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
228 1853402561517990195 122 1.27% 0.51% 0.45% 0 Port manager per
259 44287800 90748205 488 0.00% 0.32% 0.37% 0 SNMP ENGINE
4 200526352 14849845 13503 0.00% 0.26% 0.23% 0 Check heaps
111 41700384 735764658 56 0.07% 0.16% 0.15% 0 IP Input
18 67970092 149405952 454 0.07% 0.15% 0.14% 0 ARP Input
161 5708360 79831654 71 0.00% 0.12% 0.10% 0 IP SNMP
3 96 245 391 0.07% 0.07% 0.02% 1 SSH Process
148 8272248 97230102 85 0.00% 0.03% 0.01% 0 OSPF Hello
112 3886944 95585102 40 0.07% 0.03% 0.00% 0 CDP Protocol
149 23991560 126520840 189 0.07% 0.02% 0.00% 0 CEF process
155 1686936 8261960 204 0.00% 0.01% 0.00% 0 DHCPD Receive
30 1834248 554550228 3 0.00% 0.01% 0.00% 0 Critical Bkgnd
225 2243940 39928891 56 0.00% 0.01% 0.00% 0 PDU DISPATCHER
35 22591448 2901373 7786 0.00% 0.01% 0.00% 0 Per-minute Jobs
Thank in advance.