User`s guide

73
Configuration – Network > Interfaces > DSL
Router models incorporating a DSL broadband interface will include a configuration page
having the title shown above. By default, the configuration in this section will be suitable for
the majority of ADSL service providers in the UK. However, advanced users or users
outside of the U.K. may wish or need to adjust some of the parameters.
Enable DSL
This checkbox gives the facility to enable or disable the use of DSL/ADSL functionality on
the router.
Configure PVC
Select the required PVC instance from the drop-down selection box. Subsequent settings
will apply to the selected instance (see below).
Configuration – Network > Interfaces > DSL > PVC Configuration
The PVC (Permanent virtual circuit) parameters are described here.
Enable this PVC
Tick the box to enable PVC settings
Encapsulation
This parameter is used to select the method of encapsulation to be used when
transporting data over this APVC. The appropriate value can be selected from a drop list
which includes the following options:
Option
Description
PPPoA VC-Mux RFC 2364 VC-multiplexed PPP over AAL5
PPPoA LLC RFC 2364 LLC encapsulated PPP over AAL5
PPPoE VC-Mux RFC 2516 VC-multiplexed PPP over Ethernet
PPPoE LLC
RFC 2516 LLC encapsulated PPP over
Ethernet
Bridged Ethernet VC-Mux RFC 2684 VC-multiplexed bridged Ethernet
Bridged Ethernet LLC
RFC 2684 LLC encapsulated bridged
Ethernet
Routed IP VC-Mux
RFC 1483 VC multiplexing routed IP over
ATM
Routed IP LLC
RFC 1483 LLC encapsulated routed IP over
ATM
To use PPPoA or PPPoE encapsulation, one of the available PPP instances must first be
configured to use this APVC instance as its Layer 1 interface on the associated
Configuration – Interfaces
> PPP > PPP n > Advanced page.
VPI
This parameter is used to set the Virtual Path Identifier for this APVC in the range 0 -
255.
VCI
This parameter is used to set the Virtual Channel Identifier for this APVC in the range 0 -
65535.