Packet Services At A Glance - Alcatel AST570 User Manual

5.2

Packet Services at a Glance

Access methods
Forwarding methods
3EC 17766 AAAA TCZZA Ed. 04
The AST570 supports two access methods:
Direct access
"
Once initial configuration is done, continuous and immediate
access is available via the DSL line.
For direct access use either of:
Transparent Bridging
D
Routed Ethernet
D
CIP & IP Routing.
D
Dial in access
"
In this mode access must be explicitly established, e.g. by
dialing" into a Remote Access Server (RAS).
For dial in access use either of:
Bridged PPPoE
D
Routed PPPoE
D
Relayed PPPoA
D
Routed PPPoA.
D
As their names imply the packet services can be differentiated in
two groups:
Forwarding packet services:
"
Transparent Bridging
D
Bridged PPPoE
D
Relayed PPPoA.
D
These packet services forward frames unmodified.
Routing packet services:
"
Routed Ethernet
D
Routed PPPoE
D
Routed PPPoA
D
CIP & IP Routing.
D
These packet services, combined with NA(P)T allow to share a
single IP address amongst multiple users on the (W)LAN.
5 Configuration and Use - Packet Services
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