Alcatel AST570, Руководство пользователя

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Introduction
AST570 IP addressing
AST570 DHCP
AST570 IP router
AST570 NAT & PAT
14 Networking Services - IP
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14.1 Speed Touch and IP
In this section all IP features of the AST570 are shortly described.
The AST570 has a preconfigured Net10" address: 10.0.0.138
which may not be deleted.
As the
AST570 IP layer supports logical multihoming (one
interface supporting multiple IP addresses), multiple manually
configured IP addresses and multiple dynamically assigned IP
address(es) can be active at the same time.
The AST570 features a DHCP server.
Dynamic Host Configuration Protocol (DHCP) allows the PC(s) on
your local network to retrieve automatically an IP address from an
IP address leasing" server, i.e. a DHCP server.
See subsection 14.4 for more information.
The AST570 features an IP router.
In general, IP routing allows hosts to contact other hosts which
reside in other (sub)networks.
For the
AST570 the main function of the IP router is to route IP
packets from the local network to the remote networks over
the ATM/DSL connections and vice versa.
See section 14.5 for more information.
The AST570 features a combination of Network Address
Translation (NAT) and Port Address Translation (PAT) called NA(P)T.
Combined with the
AST570 IP router, NA(P)T allows multiple PCs
to share a single public IP address.
See chapter16 for more information.