12-09-2013 01:38 AM - edited 03-04-2019 09:48 PM
Hey guys;
I have a problem that tired me, and hope to find someone can help!
I have Cisco 6509-E with SUP720 which run multihomed BGP and worked very perfectly.
I'm running also: OSPF/SNMP/PBR/ACL/Distributed CEF
ISP1 bandwidth is 2.5 Gbps ( Etherchannel with 3 Interfaces) , ISP2 bandwidth is 350 Mbps.
The problem is that i have from 8am to 3pm and from 7pm to 12pm a very high CPU rate due to Interruption however ranning CEF.
All The time the CPU Rate is 87%/81%, which means that no process have a high rate
IOS Used:
s72033-advipservicesk9-mz.151-1.SY1.bin
Note: when i shutdown ISP1 the cpu go down to 7%/2%
Any show results needed i can provide it to you.
Here is some outputs can help.!
R#show switching status
Configured action on switching-bus stall : crash
Current status of switching-bus: OK
R#show interfaces switching
Port-channel1 ISP1
Throttle count 0
Drops RP 29985 SP 0
SPD Flushes Fast 29985 SSE 0
SPD Aggress Fast 0
SPD Priority Inputs 11 Drops 0
Protocol Path Pkts In Chars In Pkts Out Chars Out
Other Process 102 8058 0 0
Cache misses 0
Fast 0 0 0 0
Auton/SSE 0 0 0 0
IP Process 9593489 1350737730 9677323 1185440863
Cache misses 0
Fast 1819299726 185015130948 1819196261 184996005655
Auton/SSE 2459670049 2927525463874 3367861493 392677475638
ARP Process 4562 273720 5 540
Cache misses 0
Fast 0 0 0 0
Auton/SSE 0 0 0 0
R#show ip cef switching statistics
Reason Drop Punt Punt2Host
RP LES No route 28010 0 356
RP LES Packet destined for us 0 139862 0
RP LES No adjacency 1703 0 0
RP LES Incomplete adjacency 14161 0 0
RP LES TTL expired 0 0 99455
RP LES Routed to Null0 2851787 0 89095
RP LES Features 138559 0 28729
RP LES Unclassified reason 6468 0 0
RP LES Neighbor resolution req 2732 19 0
RP LES Total 3043420 139881 217635
All Total 3043420 139881 217635
R#show ip cef switching statistics feature
IPv4 CEF input features:
Feature Drop Consume Punt Punt2Host Gave route
Access List 138730 0 0 28743 0
Policy Routing 0 0 0 0 3
Total 138730 0 0 28743 3
IPv4 CEF output features:
Feature Drop Consume Punt Punt2Host New i/f
Total 0 0 0 0 0
IPv4 CEF post-encap features:
Feature Drop Consume Punt Punt2Host New i/f
Total 0 0 0 0 0
IPv4 CEF for us features:
Feature Drop Consume Punt Punt2Host New i/f
Total 0 0 0 0 0
IPv4 CEF punt features:
Feature Drop Consume Punt Punt2Host New i/f
Total 0 0 0 0 0
IPv4 CEF local features:
Feature Drop Consume Punt Punt2Host Gave route
Total 0 0 0 0 0
Regards
12-09-2013 01:48 AM
What IOS are you using?
12-09-2013 01:52 AM
s72033-advipservicesk9-mz.151-1.SY1.bin
I don't think that it's a IOS bug because i ran this switch since 3 months and the problem begin since last few days.
12-09-2013 06:16 AM
I follow something from this thread:
https://supportforums.cisco.com/thread/2209968
but it didn't help or i didn't make it help me.
So please anyone can guide me ? the situation is very urgent !!!!!
12-09-2013 01:51 PM
So please anyone can guide me ? the situation is very urgent !!!!!
One question for you then, if this is urgent why did you NOT contact Cisco TAC and raise a Case?
This is a forum. The people who posts suggestions and recommendations are VOLUNTEERS.
Back to your issue ... Try 15.1(2)SY.
12-10-2013 12:24 AM
I solved the problem, Thanks VOLUNTEERS
I found that i must make some MLS rate-limit to unicast traffic which hit my cpu at high rate without handling of CEF
Thanks Alot
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