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1740 SHDSL 2/4-Wire Router User’s Guide
STEP 1: Click WAN Setup on the Basic menu bar, and enter values for: VPI, VCI, Encapsulation (LLC or
VC MUX).
VPI Enter a value for the vitual path identifier
VCI Enter a value for the virtual channel identifier
LLCEncapsulation: 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.
VC Multiplexing: With VC Multiplexing, no link control header is needed as the ATM
Virtual Circuit is assumed to be carrying a single protocol.
Enable NAPT This function cannot be set for bridge mode.
STEP 2:
Click on RFC 1483 Bridged.
STEP 3:
Click on the Add button. The new VC is added in the Current ATM PVC List on the bottom
screen.
To modify the VC, click a VC from the Current ATM PVC List to display the parameters of the VC.
Change its parameters and click on the Modify button.
3.4.2 Router Mode: Service for Five Static IP Addresses
To set up the service for five static IP addresses, you need to set up the VC in RFC 1483 Routed mode.
STEP 1:
Click WAN Setup on the Basic menu bar.
STEP 2:
Enter values for: VPI, VCI, Encapsulation (LLC or VC MUX), Enable NAPT.
VPI Enter a value for the vitual path identifier
VCI Enter a value for the virtual channel identifier
LLCEncapsulation: 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.
VC Multiplexing: With VC Multiplexing, no link control header is needed as the
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.
18 September 2004 1740-A2-GB20-10