
Configuring PPP Services
3-40 117360-A Rev. A
Using Site Manager
To disable loopback checking for this line, do the tasks in the following table.
Setting the Maximum Receive Unit (MRU)
In Version 12.00, the default Maximum Receive Unit (MRU) parameter value for
PPP is 1500, for compatibility with RFC 1661. If you have a network with both
Version 11.02 (or later) and pre-11.02 Bay Networks routers, or Corporate LAN
Access Module (CLAM) routers configured with dial-on-demand, standby, or dial
backup circuits, make sure that the value you set for the PPP MRU parameter is
the same for the central-site router and the remote-site routers.
To accomplish this task, consider one of the following options:
• Upgrade all routers to Version 11.02 (or later) simultaneously.
We strongly recommend this option.
• Upgrade the central-site router to Version 11.02 (or later), leaving the
remote-site routers untouched. Then change the default MRU value on the
central-site router to 1590 bytes.
Site Manager Procedure
You do this System responds
1. From the Protocols menu, choose PPP. The Interfaces menu appears.
2. Choose Interfaces. The Interfaces window opens.
3. Choose Lines. The Lines window opens.
4. Set Magic Num Disable.
(See page A-27.)
5. If you have no other PPP line parameters
to configure, click on OK. Otherwise,
continue with the Lines configuration.
The Interfaces window opens.
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