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THi_89722's avatar
THi_89722
Icon for Nimbostratus rankNimbostratus
Feb 25, 2015

How to tcpdump traffic between APM Http Auth AAA object and a layered virtual server

Trying to debug APM http auth traffic to a layered virtual server. I have an APM http auth AAA object which sends custom http post to a layered VS, which in turn converts http to https and forwards t...
application delivery
BIG-IP Access Policy Manager (APM)
deployment
LTM
security
  • Gianrico_D_Ang1's avatar
    Gianrico_D_Ang1
    Apr 08, 2015

    There was a recent ticket in support open for it so i thought it is worth sharing the solution.

     

    You have to capture on the vlan that traffic to the AAA server leaves through, and use the :l switch.

     

    Example:

     

    tcpdump -i external:l

     

    thanks

     

    gianrico

     

What_Lies_Bene1's avatar
What_Lies_Bene1
Icon for Cirrostratus rankCirrostratus
Feb 26, 2015

Hmmm, are you using the [virtual] command? If so I suspect it's not possible.

 

I can't be 100% sure so it might be worth disabling CMP and PVA for the two VSs and trying again but note this will have a performance impact so not something to do during a busy period.