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LBN_163833's avatar
LBN_163833
Icon for Nimbostratus rankNimbostratus
Jul 15, 2014

F5 - virtual server doesn't respond to ping request

Hi,

 

I created a few virtual servers on F5 on my lab environment, I did it by the following steps: * created a monitors. * added the nodes. * created the pools and add to them the monitor and the nodes. * created the virtual servers and associated them the pools.

 

on my "Network Map" I can see there are all up, But, when I ping to my virtual servers IP's , they don't respond.

 

Can you help to troubleshot it - cause I didn't figure it out why.

 

application delivery
BIG-IP Access Policy Manager (APM)
BIG-IQ
devops
iRules
security
virtual server

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  • Steve_M__153836's avatar
    Steve_M__153836
    Icon for Nimbostratus rankNimbostratus
    Jul 15, 2014
    Is there a firewall in between you and the your lab F5? It is possible that ICMP is not allowed. Can you telnet to your VS's on the ports the VS's are enabled on?
  • gsharri's avatar
    gsharri
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    Jul 15, 2014

    Check that icmp is enabled on the virtual addresses. Local Traffic>Virtual Servers>Virtual Address List. It should be enabled by default.

     

  • LBN_163833's avatar
    LBN_163833
    Icon for Nimbostratus rankNimbostratus
    Jul 16, 2014

    Hi,

     

    My lab environment is separated from my Lan, it's in a different port in the FW, also a different vlan. but I configure a policy that the all the range address in my Lan to all range in my lab will be open, and in service i chose "Any".

     

    ** the ICMP is enabled. I try the "tracert", and i see that that ts success to get to the defaulte Getway IP in the FW - and from there it can't reach to the VS IP.

     

  • gsharri's avatar
    gsharri
    Icon for Altostratus rankAltostratus
    Jul 16, 2014

    It's beginning to sound like the problem is outside the LTM configuration. Can you ping/tracert to other hosts on the lab network? Can you ping the LTM self-IP? From the LTM cli can you ping the FW interface or other hosts on the network?

     

    Additional things to check in the LTM configuration:

     

    1) Check that arp is enabled on the virtual addresses (it is by default)

     

    2) Check that the the virtual servers are enabled on the LTM vlan where you are trying to reach them (virtual servers are enabled on all vlans by default) 3) Check virtual server/address statistics to see if any traffic is reaching them

     

  • vimal1771_20809's avatar
    vimal1771_20809
    Icon for Nimbostratus rankNimbostratus
    Jan 06, 2016
    This could be because of this: https://support.f5.com/kb/en-us/solutions/public/16000/200/sol16284.html