Forum Discussion

Cirrus

Dec 03, 2019

Solved

How does F5 select the IP from SNAT pool to communicate with backend server

Hello All, We have an LB setup and 2 backend servers are configured behind the VIP ip. We have to troubleshoot a File transfer issue and we need to capture the packets on server and client as we...

application delivery

BIG-IP

LTM

Nathan_F__F5_
Dec 06, 2019
Hi SivaYenduri,

I was able to find a small note in our SNAT feature article that explains this. The system will load balance connections between the SNAT pool addresses based on which members have the least connections.

"Note: The BIG-IP system load balances SNAT pool connections between members using the least connections algorithm."

K7820: Overview of SNAT features
https://support.f5.com/csp/article/K7820

-Nathan F

Nathan_F__F5_

Employee

Dec 06, 2019

Hi SivaYenduri,

I was able to find a small note in our SNAT feature article that explains this. The system will load balance connections between the SNAT pool addresses based on which members have the least connections.

"Note: The BIG-IP system load balances SNAT pool connections between members using the least connections algorithm."

K7820: Overview of SNAT features

https://support.f5.com/csp/article/K7820

-Nathan F