Zhone 1740 shdsl Guia Do Utilizador
1740 SHDSL 2/4-Wire Router User’s Guide
3.4.4
PPPoA
When a VC is configured for PPPoA, the router will auto-detect the Authentication code (PAP or CHAP),
and the NAPT function will be enabled automatically.
and the NAPT function will be enabled automatically.
STEP 1: Click WAN Setup on the Basic menu bar.
STEP 2: Enter values for the following fields: VPI, VCI, Encapsulation (LLC or VC MUX), Enable NAPT.
VPI
Enter a value for the virtual path identifier
VCI
Enter a value for the virtual channel identifier
LLC Encapsulation:
With LLC encapsulation, a link control header is added to the
Ethernet packet that identifies the protocol type (Ethernet). This
allows multiple protocols to be transmitted over the ATM Virtual
Circuit.
Ethernet packet that identifies the protocol type (Ethernet). This
allows multiple protocols to be transmitted over the ATM Virtual
Circuit.
VC Multiplexing:
With VC Multiplexing, no link control header is needed as the
ATM Virtual Circuit is assumed to be carrying a single protocol.
ATM Virtual Circuit is assumed to be carrying a single protocol.
Enable NAPT
Selecting Enabling NAPT will enable Network Port Address
Translation on the WAN interface.
Translation on the WAN interface.
26 May 2005 1740-A2-GB20-20