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Bob_10976's avatar
Bob_10976
Icon for Nimbostratus rankNimbostratus
Oct 02, 2008

Monitoring VIP Connections via SNMP

I currently have SNMP working where I get notified if a pool member goes down or if a node is down, etc. However what I'd like to is setup some type of SNMP monitoring so that I can be alerted if a VIP has x amount of consective connections. What I'm trying to accomphish is to be notificed if VIPs are about to be overwhelmed by to much traffic.

 

 

For example one of my VIPs has a pool that has 3 servers. Typically the servers have about 400 concurrent connections each per day, but I want to be notificied if that was to exceed a certain amount, whether it be 500, 700, or 1000 at any given time.

 

 

Is this possible?

 

 

I'm running LTM 3400 ver 9.3.1

 

 

Thanks,

 

Bob
management
monitoring

2 Replies

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  • hooleylist's avatar
    hooleylist
    Icon for Cirrostratus rankCirrostratus
    Oct 06, 2008
    Hi Bob,

     

     

    This might be best done using the management API, iControl, or a generic shell script which polls LTM periodically via iControl calls or SNMP for the VIP stats and generates an alert if a certain connections/interval threshold is surpassed. Trying to do this from an iRule could be fairly complicated.

     

     

    Does anyone else have ideas?

     

     

    Aaron
  • banjoooooooooo_'s avatar
    banjoooooooooo_
    Icon for Nimbostratus rankNimbostratus
    Oct 12, 2008
    I made some what similar script like this but for the status of the virtual servers in the GTM. When its marked "RED" for 3x in 2 minutes it will send a notification out but if it comes back it will reset its counter and send a notification again that its just a false alarm. I think if you'd give me the OID's i'd be able to update my script. I'm planning to make this more of a "database" driven rather than thru flat text file.