ZyXEL Communications P-334WT Informações Técnicas descarregar pdf (Página 18)

Many-to-One

(SUA/PAT)

ILA1<--->IGA1

ILA2<--->IGA1

...

Many-to-Many

Overload

ILA1<--->IGA1

ILA2<--->IGA2

ILA3<--->IGA1

ILA4<--->IGA2

...

Many-to-Many No

Overload

ILA1<--->IGA1

ILA2<--->IGA2

ILA3<--->IGA3

ILA4<--->IGA4

...

Server

Server 1 IP<--->IGA1

Server 2 IP<--->IGA1

10. What is the difference between SUA and Multi-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 supports 2 sets

since there is only one 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.

11. What is BOOTP/DHCP?

BOOTP stands for Bootstrap Protocol. DHCP stands for Dynamic Host Configuration Protocol. Both are

mechanisms to dynamically assign an IP address for a TCP/IP client by the server. In this case, the

Prestige Internet Access Sharing Router is a BOOTP/DHCP server. Win95 and WinNT clients use

DHCP to request an internal IP address, while WFW and WinSock clients use BOOTP. TCP/IP clients

may specify their own IP or utilize BOOTP/DHCP to request an IP address.

12. What is DDNS?

The Dynamic DNS service allows you to alias a dynamic IP address to a static hostname, allowing your

computer to be more easily accessed from various locations on the Internet. To use the service, you must

first apply an account from several free Web servers such as

WWW.DYNDNS.ORG.

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