3Com SuperStack II, NETBuilder SI manual Isdn on the WAN Port 43x, 44x, 53x

80CHAPTER 7: ADVANCED CONFIGURATION OF PORTS AND PATHS

Table 17 Bandwidth Management Features for Dial-Up Lines (continued)

Bandwidth
Management
Feature	Description	Location

Dial number list	A dial number list allows the software to
	select a phone number from a list of
	destination phone numbers associated with
	a port or virtual port. Numbers in the dial list
	are selected sequentially. The dial number list
	is required.

Procedure included in scenarios

More information: See Chapter 9

Bandwidth-on-	When the system detects traffic congestion	See page 91
demand	on a port, you can enable
	bandwidth-on-demand to automatically
	bring up more lines either from a dial pool or
	from another path assigned to the same
	port.
	You specify the bandwidth that a port
	should operate at normally, then define the
	maximum amount of bandwidth above this
	setting that the port can have.
Disaster recovery	If the primary line fails, the bridge/router can	See page 92
	use a reserved dial-up line as back-up.

ISDN on the WAN Port (43x, 44x, 53x and 54x)

This section describes three scenarios using the built-in ISDN port:

■Scenario 1: Using Each B Channel Separately

■Scenario 2: Using Both B Channels Together

■Scenario 3: Connecting to Multiple Destinations