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yadvendra's avatar
yadvendra
Icon for Nimbostratus rankNimbostratus
Jun 23, 2026

Query on source IP preservation for syslog traffic through F5 virtual server

Hi All,   We have an F5 virtual server that load balances Syslog traffic (UDP/514) to multiple log collectors.   We are considering enabling SNAT Automap on the virtual server, but we still need ...
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JoseLabra's avatar
JoseLabra
Icon for MVP rankMVP
Jun 23, 2026

Hii

how r u? 
In simple word, you can´t. 

If you used SNAT, the F5 device replace the with self-ip or SNAT address configurated.

But, why razon you need used SNAT? Asymmetric traffic in your network? I need more context of your problem.

I'll be waiting to help with the solution.

 

 

  • yadvendra's avatar
    yadvendra
    Icon for Nimbostratus rankNimbostratus
    Jun 23, 2026

    Hello Jose, Thanks for your reply..

    We are considering enabling SNAT Automap because, with SNAT disabled, ACI is seeing the same source IP from multiple locations and marking some endpoints as rogue. Original interface where the sender is present and again the interface where F5 is connected