User's Manual

Chapter 6 Remote Node setup 79
BCM50a Integrated Router Configuration — Advanced
Editing ATM Layer Options
Follow the steps shown next to edit Menu 11.6 – Remote Node ATM Layer
Options.
In menu 11.1, move the cursor to the Edit ATM Options field and then press
[SPACE BAR] to select Yes. Press [ENTER] to display Menu 11.6 – Remote
Node ATM Layer Options.
There are two versions of menu 11.6 for the Contivity 251, depending on whether
you chose VC-based/LLC-based multiplexing and PPP encapsulation in menu
11.1.
VC-based Multiplexing (non-PPP Encapsulation)
For VC-based multiplexing, by prior agreement, a protocol is assigned a specific
virtual circuit, for example, VC1 will carry IP. Separate VPI and VCI numbers
must be specified for each protocol.
Figure 22 Menu 11.6 for VC-based Multiplexing
LLC-based Multiplexing or PPP Encapsulation
For LLC-based multiplexing or PPP encapsulation, one VC carries multiple
protocols with protocol identifying information being contained in each packet
header.
Menu 11.6 - Remote Node ATM Layer Options
VPI/VCI (VC-Multiplexing)
VC Options for IP:
VPI #= 8
VCI #= 35
VC Options for Bridge:
VPI #= 1
VCI #= 36
Press ENTER to Confirm or ESC to Cancel:
Press Space Bar to Toggle.