F5 irules ----- reset when HTTP request 400/500 Error

 
#400/500 error retry # When the service returns the 400/500 status and has a surviving node in the current pool, reset the HTTP request and reselect the node in the pool. # Accept the new HTTP request when client_accepted {Set retry 0} When http_request {set http_request [http :: request]} When http_response {if {([http: Status] starts_with "4") | ([http: Status] starts_with "5 ")} {incr retryif {$ retry <= [active_members [LB: Server pool]} {http :: retry $ http_request} else {Set retry 0} else {Set retry 0} When lb_selected {log local0.info "run $ retry" if {($ retry> 0) & ($ retry <= [active_members [LB: Server pool])} {LB: reselect pool [LB: Server pool]}