$ export DOMAIN_HOME=..Directory/Oracle/Middleware/user_projects/domains/OIF_DOMAIN
$ . Directory/opt/apps/Oracle/Middleware/Oracle_IDM2/fed/scripts/setOIFEnv.sh
$ java weblogic.WLST
wls:/offline> setConfigProperty('datastore','userldapconnectionreadtimeout', '120','long')
Please enter your username :weblogic
Please enter your password :
Please enter your server URL [t3://localhost:7001] :t3://oifServer.abc.com:7499
wls:/EPP_STAGE_SECURITY_DOMAIN/serverConfig> disconnect()
wls:offline >exit()
check for your change at :-
$ vi /opt/apps/Oracle/Middleware/user_projects/domains/EPP_STAGE_SECURITY_DOMAIN/config/fmwconfig/servers/wls_oif2/applications/OIF_11.1.1.2.0/configuration/config.xml