3Com REMOTE ACCESS SYSTEM 1500, Руководство по управлению

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Step Three: Configure
PPP Parameters
If your remote users connect using PPP, you can also define several
optional PPP parameters that control how RAS 1500 handles the remote
access session.
This section describes parameters that are applicable for network dial-in
users. Many of the configurable PPP parameters are more often used for
LAN to LAN routing users only. However, channel decrement, channel
expansion, and max channels parameters can all be configured for
callback users to employ bandwidth allocation.
1 Configure PPP compression algorithm type. Use the following command:
set network user <name> ppp compression_algorithm [ascend |
auto | microsoft | none | stac]
Example:
set network user tom ppp compression_algorithm stac
2 Configure the PPP expansion algorithm type.
Use the following command:
set network user <name> ppp expansion_algorithm [constant |
linear]
Example:
set network user tom ppp expansion_algorithm constant
3 Configure the PPP minimum size compression value. Use the following
command:
set network user <name> ppp min_size_compression [value from
0-2048]
Example:
set network user tom ppp min_size_compression 256
Table 15 PPP Bandwidth Measurements and Parameters
Measurement Parameter
Long-term bandwidth changes.
constant
More current, higher weight traffic when allocating bandwidth.
linear