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high cpu with interrupt at 7304

hi ,

i found 7304 with high cpu load with high interrupt.

i check the cef and found a lot of Unsupported packets and punt packets.

what do i do next ?

best regards.

fred.

show the below.

CPU utilization for five seconds: 44%/42%; one minute: 40%; five minutes: 38%

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

1 0 6 0 0.00% 0.00% 0.00% 0 Chunk Manager

2 220 379462 0 0.00% 0.00% 0.00% 0 Load Meter

3 172 2395686 0 0.00% 0.00% 0.00% 0 IP NAT Ager

4 1093224 201449 5426 0.00% 0.02% 0.00% 0 Check heaps

5 0 1 0 0.00% 0.00% 0.00% 0 Pool Manager

6 0 2 0 0.00% 0.00% 0.00% 0 Timers

7 0 2 0 0.00% 0.00% 0.00% 0 Serial Backgroun

8 0 1 0 0.00% 0.00% 0.00% 0 Policy Manager

9 7028300 1890548 3717 0.47% 0.26% 0.23% 0 EnvMon

nvwtv-7304#show cef drop

Load for five secs: 41%/40%; one minute: 41%; five minutes: 38%

Time source is NTP, 15:08:51.219 TPE Fri May 26 2006

% Command accepted but obsolete, see 'show (ip|ipv6) cef switching statistics [f

eature]'

IPv4 CEF Drop Statistics

Slot Encap_fail Unresolved Unsupported No_route No_adj ChkSum_Err

RP 0 0 146736291 0 18056 0

nvwtv-7304#

nvwtv-7304#show ip cef switching stat

Load for five secs: 38%/37%; one minute: 41%; five minutes: 39%

Time source is NTP, 15:09:19.035 TPE Fri May 26 2006

Path Reason Drop Punt Punt2Host

RP RIB Packet destined for us 0 3964591 0

RP RIB Total 0 3964591 0

RP LES Packet destined for us 0 3553773 0

RP LES Total 0 3553773 0

RP PAS Packet destined for us 0 3553773 0

RP PAS No adjacency 18056 0 8438

RP PAS TTL expired 0 0 69298723

RP PAS IP options set 0 0 1356

RP PAS Features 0 0 77431401

RP PAS Total 18056 3553773 146739918

All Total 18056 11072137 146739918

nvwtv-7304#

1 REPLY

Re: high cpu with interrupt at 7304

Hi

This link talks about Punts and different ios switching methods you can deploy when moving from fastest to slowest switching interface...

http://www.cisco.com/en/US/partner/products/sw/iosswrel/ps1828/products_tech_note09186a00801e1e46.shtml#punts

regds

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