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C

HAPTER

 7: A

DVANCED

 C

ONFIGURATION

 

OF

 P

ORTS

 

AND

 P

ATHS

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

■

■

■

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-
demand 

When the system detects traffic congestion 
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 
use a reserved dial-up line as back-up.

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