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Todd_93078's avatar
Todd_93078
Icon for Nimbostratus rankNimbostratus
Nov 28, 2012

VS type question - design

Hello,

 

Currently I have a single IP to a single host setup through the following three virtual servers:

 

 

tmsh create ltm virtual TELE-IN-4 { destination 4.4.4.4:any l2-forward rules { TELE-INBOUND } translate-address disable vlans replace-all-with { ATT } vlans-enabled }

 

tmsh create ltm virtual TELE-IN-4-T { destination 4.4.4.4:any ip-protocol tcp vlans replace-all-with { ATT } vlans-enabled pool TELE-POOL-4 }

 

tmsh create ltm virtual TELE-IN-4-U { destination 4.4.4.4:any ip-protocol udp vlans replace-all-with { ATT } vlans-enabled pool TELE-POOL-4 }

 

 

From a functional standpoint this is currently working. What I don't understand is why I can just use one VS such as this instead:

 

tmsh create ltm virtual TELE-IN-4-P { destination 4.4.4.4:any vlans replace-all-with { ATT } vlans-enabled pool TELE-POOL-4 }

 

 

Basically when I tried a Performance Layer 4 VS it did not work, but creating a L2-Forward along with TCP and UDP any rules did. What am I missing? I am only curious because I feel like this will come back to bite me later.

 

 

Thanks,

 

Todd

 

 

basic
getting started
new to f5

1 Reply

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  • nitass's avatar
    nitass
    Icon for Employee rankEmployee
    Nov 29, 2012
    Basically when I tried a Performance Layer 4 VS it did not work, but creating a L2-Forward along with TCP and UDP any rules did. just wondering if TELE-IN-4-T and TELE-IN-4-U are used indeed i.e. when it works, does TELE-IN-4-T and TELE-IN-4-U handle traffic?

     

     

    when it did not work, have you run tcpdump to see what was going on?

     

     

    e.g.

     

     

    tcpdump -nni 0.0:nnn -s0 -w /var/tmp/output.pcap host 4.4.4.4 or host x.x.x.x

     

    x.x.x.x is TELE-POOL-4 member ip