We had Cisco 2951 Router installed at the Customer site and reported hang issue.
Then taken show tech for this Router to check the exact cause, the IOS impact or any Hardware related indication with logs.
Running image details as below,
Release Date: 25/Mar/2014
File Name: c2951-universalk9-mz.SPA.151-4.M8.bin
Min Memory: DRAM 512 MB Flash 256 MB
Need to suggest us the reason for this Router issue and the resolution step to take for this case.
I see CPU is very high which is 96% and 94% is due to interrupts. High cpu due to interrupts mainly happens due to incoming traffic and features applied on the interface.
I also see access-list "ACL-IN" is applied on interface Gig0/1. This ACL is having 5674 entries, which is really very high. You can try to optimize it in a better way and for time being you can try to remove this ACL and check if it helps to minimize the CPU.
------------------ show process cpu ------------------
CPU utilization for five seconds: 96%/94%; one minute: 96%; five minutes: 95%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
1 4 415 9 0.00% 0.00% 0.00% 0 Chunk Manager
2 181080 82608 2192 0.07% 0.12% 0.12% 0 Load Meter
4 0 1 0 0.00% 0.00% 0.00% 0 EDDRI_MAIN
5 0 1 0 0.00% 0.00% 0.00% 0 RO Notify Timers
We have 3 identical switches configured by someone else and would like to claim some of the Gigabit ports(G1/G2/G3/G4) for use on servers. When we try to change the wiring and configuration, we run in to connectivity issues. Attached is a des...
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...