ltm rule command active nodes

iRule(1)		      BIG-IP TMSH Manual		      iRule(1)



active_nodes
       Returns the alias for active members of the specified pool (for BIG-IP
       version 4.X compatibility).

SYNOPSIS
       active_nodes ('-list')? POOL_OBJ

DESCRIPTION
       Returns the alias for active members of the specified pool (for BIG-IP
       version 4.X compatibility).

RETURN VALUE
       active_nodes 
	   Returns the number of active members of the specified pool (for
       BIG-IP version 4.X compatibility).

       active_nodes -list 
	   Returns a tcl list containing the IP address of each active member
       in the specified pool.

VALID DURING
       ANY_EVENT

EXAMPLES
	when HTTP_REQUEST {
	    log local0. "There are [active_nodes http_pool] active nodes in the pool."
	}

	when CLIENT_ACCEPTED {
	    # Check if the client IP address is a node in the VIP's default pool
	    if {[matchclass [IP::client_addr] equals [active_nodes -list [LB::server pool]]]}{
		log local0. "SNAT'ing for [IP::client_addr], member of pool [LB::server pool]"
		snat automap
	    }
	}

HINTS
SEE ALSO
CHANGE LOG
       @BIGIP-9.0.0 --First introduced the command.  @BIGIP-9.4.2 --First
       introduced the command.



BIG-IP				  2017-01-31			      iRule(1)