Looking for some help on SNMP Monitoring a 4507 Switch
Hi everyone, I've been working with monitoring some Cisco products in Nagios, and I'm running into some difficulties. What I want to be able to do is monitor CPU and Ram (maybe some other things, but those are the key points) on a 4507 Switch. I'm having difficulties with this though, snmp walks aren't seeminly detecting what I need. I'm a bit new to this kind of thing, so I'm not sure where to go from here though. I have a ton of Cisco MIBs, but I'm not sure which one I should be using. Does anyone have some tips? Sorry if this is kind of incomprehensible.
Hey, I think I can help you on this. We are runnning a big monitoring environment on a couple of thousand cisco devices.
What you need is a good cisco plugin to monitor cpu, memory. Have a look on https://exchange.nagios.org/ - search for cisco cpu or cisco memory. Some plugins are very old and not up to date anymore but most of them will be plug and play for your nagios system.
If you're familiar with snmp, bash/perl/python you can even write or adapt the script by yourself.
If you still can't find a working plugin I can send you mine which we use to monitor our cisco switches (including 4507)
The CISCO-PROCESS-MIB displays memory and CPU usage on the router and describes active system processes. CPU utilization presents a status of how busy the system is. The numbers are a ratio of the current idle time over the longest idle time
The overall CPU busy percentage in the last 1 minute period. This object deprecates the object cpmCPUTotal1min and increases the value range to (0..100).
The overall CPU busy percentage in the last 5 minute period. This object deprecates the object cpmCPUTotal5min and increases the value range to (0..100)
Indicates the number of bytes from the memory pool that are currently in use by applications on the physical entity
Indicates the number of bytes from the memory pool that are currently unused on the physical entity. Note that the sum of cempMemPoolUsed and cempMemPoolFree is the total amount of memory in the pool
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