ZyXEL Communications 2602RL-D3A manual Following table summarizes these types

Prestige 2602RL-D3A Support Notes

The following table summarizes these types.

NAT Type	IP Mapping	Mapping
		Direction
One-to-One	ILA1<--->IGA1	Both
	ILA1---->IGA1
Many-to-One (SUA/PAT)	ILA2---->IGA1	Outgoing
	...
	ILA1---->IGA1
	ILA2---->IGA2
Many-to-Many Overload	ILA3---->IGA1	Outgoing
	ILA4---->IGA2
	...

		ILA1	---->IGA1
Many-to-Many	No ILA2		---->IGA3
Overload		ILA3	---->IGA2
(Allocate by Connections) ILA4			---->IGA4
	...
Server		Server 1 IP<----		IGA1
		Server 2 IP<		IGA1

Outgoing

Incoming

∙SUA Versus NAT

SUA (Single User Account) in previous ZyNOS versions is a NAT set with 2 rules, Many-to-One and Server. The Prestige now has Full Feature NAT support to map global IP addresses to local IP addresses of clients or servers. With multiple global IP addresses, multiple severs of the same type (e.g., FTP servers) are allowed on the LAN for outside access. In previous ZyNOS versions (that supported SUA 'visible' servers had to be of different types. The Prestige supports NAT sets on a remote node basis. They are reusable, but only one set is allowed for each remote node. The Prestige 2602RL supports 8 sets since there are 8 remote node. The default SUA (Read Only) Set in menu 15.1 is a convenient, pre-configured, read only, Many-to-One mapping set, sufficient for most purposes and helpful to people already familiar with SUA in previous ZyNOS versions.

∙SMT Menus

1.Applying NAT in the SMT Menus

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