Avaya Configuring Dial Services Bedienungsanleitung Seite 57

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Dial Services Overview
308621-14.00 Rev 00
1-27
Sample Bandwidth-on-Demand Application
In Figure 1-11, the leased line is congested due to bridge/routing protocol traffic.
The BLN
®
in Rome, designated as the monitor router, has determined that the line
is congested based on the monitor parameter values. Consequently, the router
brings up an ISDN B channel as a secondary line.
Figure 1-11. Sample Bandwidth-on-Demand Network
The monitor router brings down the secondary line when the level of congestion
falls below the configured percentages. In addition to supporting the leased line to
Avignon, the B channel can also act as a backup line for the leased line from
Rome to Florence and as a demand line from Rome to Interlaken.
Using the Same Line for All Dial Services
You can use the same physical line for dial-on-demand, dial backup, and
bandwidth-on-demand pools. For example, if the router is not using a line for a
dial-on-demand connection, it can use the line for a dial backup connection. If
there are several requests for the same line, the router uses the line for the service
requested first.
AN
Slot 3
octal sync
Slot 2
dual sync
dual Ethernet
TA
Rome Backbone
Link Node
Avignon
Access Node
Dial-up line
to Interlaken
Secondary dial-up line
(ISDN B channel)
Leased line (9.6 Kb/s)
ISDN
DS0001A
64 Kb/s leased line to Florence
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