
PPP Port Configuration
368 Enterasys Xpedition User Reference Manual
PPP Port Configuration
To configure PPP WAN ports, you must first define the type and location of the WAN
interface, optionally “set up” a library of configuration settings, then apply those settings
to the desired interface(s). The following examples are designed to give you a small model
of the steps necessary for a typical PPP WAN interface specification.
To define the location and identity of a High-Speed Serial Interface (HSSI) PPP WAN port
located at router slot 5, port 1 with a speed rating of 45 million bits per second:
Suppose you wish to set up a service profile called “profile2” that includes the following
characteristics:
• Bridging enabled
• Leave high-, low-, and medium-priority queue depths set to factory defaults
• IP and IPX enabled
• Sending of LCP Echo Requests disabled
• Use of LCP magic numbers disabled
• The maximum allowable number of unanswered requests set to 8
• The maximum allowable number of negative-acknowledgment transmissions set to 5
• The maximum allowable number of unanswered/improperly answered connection-
termination requests before declaring the link to a peer lost set to 4
• Random Early Discard disabled
• The number of seconds between subsequent configuration request transmissions (the
“retry interval”) set to 25
• RMON enabled
The command line necessary to set up a service profile with the above attributes would be
as follows:
To assign the above service profile to the active PPP WAN port defined earlier (slot 5,
port 1):
ssr(config)# port set hs.5.1 wan-encapsulation ppp speed 45000000
ssr(config)# ppp define service profile2 bridging enable ip enable ipx enable lcp-echo off lcp-magic
off max-configure 8 max-failure 5 max-terminate 4 red off retry-interval 25 rmon on
ssr(config)# ppp apply service profile2 ports hs.5.1
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