iRule to Force Source IP to Specific Backend Node

Jison111 to force the source IP to a specific Pool member you can use an Irule or an LTM Policy.

I found some information that could help answer your questions on our myf5 portal, please click on the links below .

K43431442: Configuring an iRule to select an alternate Pool from the Default Pool based on client IP address.
https://my.f5.com/manage/s/article/K43431442

K73862425: Creating external data groups
https://my.f5.com/manage/s/article/K73862425

https://clouddocs.f5.com/api/irules/IP__client_addr.html

I hope this helps.