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User Guide for Cisco Security Manager 4.4
OL-28826-01
Chapter 59 Configuring Router Interfaces
PPP/MLP Policy Page
Related Topics
• PPP Dialog Box—PPP Tab, page 59-77
Field Reference
Table 59-33 PPP Dialog Box—MLP Tab
Element Description
Enable Multilink PPP (MLP) When selected, MLP is enabled on this PPP connection.
When deselected, MLP is disabled.
Allow Multiple Data Classes When selected, enables multiple data classes on the MLP bundle.
Delay-sensitive traffic is placed into Class 1, where it can be
interleaved but never fragmented. Normal data traffic is placed into
Class 0, which is subject to fragmentation just as regular multilink
packets are.
When deselected, all traffic is subject to fragmentation.
Enable Interleaving of
Packets Among Fragments of
Larger Packets
When selected, enables the interleaving of packets among the
fragments of larger packets on the MLP bundle.
Note If you enable interleaving without defining a fragment delay,
the default delay of 30 seconds is configured. This value does
not appear in Security Manager or in the device configuration.
When deselected, interleaving is disabled.
Note Serial interfaces do not support interleaving.
Multilink Group Applies only to serial, Group-Async, and multilink interfaces.
Restricts the physical link to the selected multilink-group interface.
Enter the name of a multilink interface or interface role, or click Select
to select it. If the object that you want is not listed, click the Create
button to create it.
This option is typically used in static leased-line environments, where
the remote systems to which the device’s serial lines are connected are
known in advance.
In effect, this option dedicates a specific interfaces to a particular user,
even when that user is not connected. If a peer at the other end of the
link tries to join a different bundle, the connected is severed.
Maximum Fragment Delay The maximum amount of time that should be required to transmit a
fragment on the MLP bundle. Valid values range from 1 to 1000
milliseconds.
Fragment size is determined by the defined fragment delay and the
bandwidth of the links.
Note Serial interfaces do not support this feature.