SNMP - LTM v9.x MIB Navigation
I had the opportunity to dissect the new LTM SNMP v9 MIB back when 9.0 first rolled. Here's a quick overview of how to navigate in its sometimes murky waters. The LTM v9 MIB is considerably diff...
Published Jun 27, 2007
Version 1.0
A case study
One of my fellow NSEs came to me with a problem: a customer is concerned about running out of memory on his LTM, and is there an SNMP OID he can monitor memory usage with it.
I had previously copied the F5 MIB files to /usr/share/snmp/mibs. I then grep'd for the word memory and I found a bunch of occurances. There were 4 which had descriptions that looked like what I was looking for: sysStatMemoryTotal, sysStatMemoryUsed, sysHostMemoryTotal and sysHostMemoryUsed. I did a little testing for reasonableness:
[silverman@cute mibs]$ snmpget -v2c -c public 172.24.2.68 F5-BIGIP-SYSTEM-MIB::sysStatMemoryUsed.0
F5-BIGIP-SYSTEM-MIB::sysStatMemoryUsed.0 = Counter64: 39706804
[silverman@cute mibs]$
tmstat says 39,816,296 but it is constantly changing slightly, so I am inclined to believe that this is what the customer wanted.