Avaya Configuring Dial Services Manual de usuario Pagina 77

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Implementation Notes
3-27
Balancing Traffic between Lines in a Multilink Bundle
With multilink enabled for bandwidth-on-demand, the router sending data divides
the outbound traffic among all the lines in the bundle, keeping each packet intact.
The configured external clock speed of each line determines the proportion of the
total traffic each receives. On the receiving end, multilink resequences packets
arriving on different links using the sequence number from the multilink header.
For more information about traffic distribution, see Configuring PPP Services.
Ensuring Accuracy of the Congestion Threshold Percentages
The router uses several congestion threshold parameters to measure congestion on
the primary line. The value of these parameters determines when the router
activates additional lines to relieve congestion.
If you want to configure the clock speed of your primary line to any value other
than the default, 64 Kb/s, this affects how the router calculates the congestion
thresholds. To ensure the router’s calculations are accurate, you must modify the
clock speed via the synchronous line parameter External Clock Speed. Once you
configure this parameter to the speed you want, you ensure that the congestion
thresholds will be correct.
The External Clock Speed parameter is part of the Synchronous Line Details
configuration. To access synchronous line parameters, begin at the Configuration
Manager window and select the CircuitsEdit Lines option. From here, you can
select the circuit that you want to edit.
For further instructions on accessing and modifying the synchronous line
parameters, refer to Configuring Line Services.
Testing the Bandwidth-on-Demand Connection
To ensure that the router can activate a secondary line if the primary line becomes
congested, you can execute a
forced dial command. The forced dial command
indicates to the router that the primary line is congested even if this is not the case.
The router then brings up the secondary line. If the secondary line does not come
up, there is a problem with the secondary connection.
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