Alcatel SPEED TOUCH PRO, Руководство пользователя

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Use of NA(P)T
Services behind the
STPro
NA(P)T and supported
protocols
12 Networking Services - IP
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3EC 17059 ABAA TCZZA Ed. 01
12.6.1 STPro and NA(P)T
NAT is a technique used to share one IP address amongst several
PCs. For most applications, enabling NA(P)T on a specific STPro
interface, e.g. on a PPPoA interface is adequate. From then on, all
PPPoA clients behind the STPro NAPT router automatically share
the same IP address.
To serve that purpose, the CLI allows NA(P)T to be enabled per
interface.
To run a server behind a NAPT router, additional configuration is
needed. Therefore, the STPro exhibits NA(P)T specific commands
allowing static IP address and UDP/TCP port mapping for inbound
IP packets to be configured.
Moreover a default server can be specified. All incoming
connections will be forwarded to the device with this IP address. In
most cases this setting should be adequate for most server
applications.
All supported protocols that are insensitive for NA(P)T, pass
transparently through the STPro NA(P)T router.
In addition, the STPro supports also the following protocols as
NA(P)T insensitive:
All generic TCP/User Datagram Protocol (UDP) protocols, e.g.
HTTP (Hyper Text Transfer Protocol)
Internet Control Message Protocol (ICMP)
File Transfer Protocol (FTP)
Internet Relay Chat (IRC)
Real Audio
Real Time Stream Protocol (RTSP).