KevinN_50601
Nov 16, 2011Nimbostratus
Understanding SNMP metrics
It took me a bit to get snmpwalk to show me the results that I needed, but now that I have it going I'm not sure I understand the metrics.
I'm looking for total concurrent connections as well as connections to each Virtual Server.
The MIB/OID that I'm using is
1.3.6.1.4.1.3375.2.2.10.2.3.1.12 which produces the below result:
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS-FORWARDING" = Counter64: 7778
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--443" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--443" = Counter64: 14
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."S--443" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 1
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 20
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 1
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--80" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--FTP" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--FTP" = Counter64: 1
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--443" = Counter64: 1
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--443" = Counter64: 4
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--443" = Counter64: 40
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--443" = Counter64: 55
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--443" = Counter64: 0
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--443" = Counter64: 7
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--443" = Counter64: 32
F5-BIGIP-LOCAL-MIB::ltmVirtualServStatClientCurConns."VS--443" = Counter64: 0
Many of the connections look right, but the top entry (which I assume is total connections?) seems way off. The sum of all the connections to the VS is WAY less than the 'VS-FORWARDING' entry. Does anyone have any idea why?!
In addition the OID
1.3.6.1.4.1.3375.2.1.1.2.1.8
gives the result
F5-BIGIP-SYSTEM-MIB::sysStatClientCurConns.0 = Counter64: 8087
which seems to jive with the VS-FORWARDING entry from above. What is the difference and why?