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Configuring Demand Routing for Primary ISDN Modules
Using Demand Routing for ISDN Connections
Configuring MLPPP for Demand Interfaces
To enable MLPPP, enter the following command from the demand interface
configuration mode context:
ProCurve(config-demand 1)# ppp multilink
By default, MLPPP is not enabled.
Configuring the Maximum Number of Interfaces. You can configure the
maximum number of interfaces that the demand interface can aggregate for an
MLPPP connection. From the demand interface configuration mode context,
enter:
Syntax: ppp multilink maximum <interfaces>
Replace <interfaces> with a number between 1 and 8. If MLPPP is enabled
for the demand interface, the default value for the maximum number of
interfaces is 8.
Note The ppp multilink maximum command does not affect the number of links
used when an interface answers a call, only when it originates a call.
Configuring the MLPPP Interleave. If you configure quality of service
(QoS) for the dial-up connections established through the demand interface,
you may also want to enable MLPPP interleave. Certain types of high-priority
packets may be adversely affected if they are transmitted over an MLPPP
connection. If interleave is enabled, the demand interface handles high-
priority packets differently. When the demand interface receives a high-
priority packet, it encapsulates the packet as PPP (rather than MLPPP) and
sends it on the next available link.
To enable MLPPP interleave, enter:
ProCurve(config-demand 1)# ppp multilink interleave
Note If the MTU for the demand interface is lower than the size of the high-priority
packet, the demand interface will drop the packet.
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