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Zyxel P-791R v2 Рекомендации по настройке онлайн [9/98] 154425
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P-791R v2 Support Notes
13. What IP/Port mapping does Multi-NAT support?
Multi-NAT supports five types of IP/port mapping: One to One, Many to One,
Many to Many Overload, Many to Many No Overload and Server. The details
of the mapping between ILA and IGA are described as below. Here we define
the local IP addresses as the Internal Local Addresses (ILA) and the global IP
addresses as the Inside Global Address (IGA),
• One to One: In One-to-One mode, the P-791R v2 maps one ILA to one
IGA.
• Many to One: In Many-to-One mode, the P-791R v2 maps multiple ILA
to one IGA. This is equivalent to SUA (i.e., PAT, port address
translation), ZyXEL's Single User Account feature that previous ZyNOS
routers supported (the SUA is optional in today's P-791R v2 routers).
• Many to Many Overload: In Many-to-Many Overload mode, the
P-791R v2 maps multiple ILA to shared IGA.
• Many One-to-One: In Many One-to-One mode, the P-791R v2 maps
each ILA to unique IGA.
• Server: In Server mode, the P-791R v2 maps multiple inside servers to
one global IP address. This allows us to specify multiple servers of
different types behind the NAT for outside access.
Note: if you want to map each server to one unique IGA please use the
one-to-One mode.
The following table summarizes the five types.
NAT Type IP Mapping
One-to-One ILA1<--->IGA1
Many-to-One
(SUA/PAT)
ILA1<--->IGA1
ILA2<--->IGA1
...
Many-to-Many
Overload
ILA1<--->IGA1
ILA2<--->IGA2
ILA3<--->IGA1
ILA4<--->IGA2
...
Many
One-to-One
ILA1<--->IGA1
ILA2<--->IGA2
ILA3<--->IGA3
ILA4<--->IGA4
...
Server Server 1 IP<--->IGA1
9
All contents copyright © 2007 ZyXEL Communications Corporation.
Содержание
- G shdsl bis router 1
- P 791r v2 1
- Zynos faq 5
- Product faq 12
- Dsl faq 19
- Application notes 21
- General application notes 21
- Key settings 25
- Option description 25
- Lan wan packet trace 65
- Support tool 65
- Downloading using tftp 70
- Firmware configurations uploading and 70
- Downloading using ftp 73
- Firmware configurations uploading and 73
- Ci command reference 76
- Ppp numbers 77
- Reference 77
- Port numbers 90
- Protocol numbers 95
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