P-660 series Support Notes
aps each ILA to unique IGA.
vers to one global IP address. This
ehind the NAT for outside
A please use the
Many to Many No Overload
In Many-to-Many No Overload mode, the P-660 m
Server
In Server mode, the P-660 maps multiple inside ser
allows us to specify multiple servers of different types b
access. Note, if you want to map each server to one unique IG
One-to-One mode.
The following table summarizes these types.
NAT Type
IP Mapping
Mapping
Direction
One-to-One ILA1<--->IGA1
Both
Many-to-One
(SUA/PAT)
ILA1---->IGA1
ILA2---->IGA1
Outgoing
...
Many-to-Many
ILA2---->IGA2
Ov
...
erload
ILA1---->IGA1
ILA3---->IGA1
ILA4---->IGA2
Outgoing
Many-to-Many No
Overload
(Allocate by
Connections)
ILA2---->IGA3
ILA3---->IGA2
ILA4---->
...
Outgoing
ILA1---->IGA1
IGA4
Server
Server 1
IP<----IG
Server 2
A1
IP<----IGA1
Incoming
SUA Versus NAT
S
M
g
addresses, multiple severs of the same type (e.g., FTP serve
UA (Single User Account) in previous ZyNOS versions is a NAT set with 2 rules,
any-to-One and Server. The P-660 now has
Full Feature
NAT support to map
lobal IP addresses to local IP addresses of clients or servers. With multiple global IP
rs) are allowed on the
LAN for outside access. In previous ZyNOS versions (that supported SUA 'visible'
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