
PPP Concepts
115391-A Rev. A 10-11
Using Protocol Prioritization with Multiline
When you configure a router, you can prioritize the different types of traffic sent
across a synchronous line. This process is called protocol prioritization. The
ability to prioritize traffic is important because some types of operations require
faster responses than other types. For example, PPP control messages must have
precedence over other types of data.
Selecting PPP on a circuit automatically enables protocol prioritization without
specifying any filters.
With the multiline feature, you can configure both priorities and filters. For more
information about protocol prioritization, see Enhancing Performance.
Packet
resequencing
Depends on the path selection:
• With address-based selection (the default), packets always arrive
in sequence.
• With random path selection, packets traveling on different paths
can arrive at their destination out of sequence.
Support for
bandwidth-on-
demand
No
Miscellaneous • Address-based selection does not always result in even traffic
distribution across all data paths.
• Random selection provides for even traffic distribution.
Table 10-3. Multiline Features
(continued)
Feature Multiline
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