Create a VLAN mux/demuxer

Return value
	type	description
	VLAN	The reference of the created VLAN object
Parameters
name	type	description
session_id	session	valid session reference
tagged_PIF	PIF	PIF which receives the tagged traffic
tag	int	VLAN tag to use
network	network	Network to receive the untagged traffic
Errors
name	arguments	description

• Message has both a synchronous and asynchronous version
• This is a custom message