Chapter 22: WAN Configuration Guide
308
DIGITAL GIGAswitch/Router User Reference Manual
Configuring PPP Interfaces
This section provides an overview of configuring a host of WAN parameters and setting
up WAN interfaces. When working in the PPP environment, you must first define the type
and location of your WAN interfaces. Having established the type and location of your
WAN interfaces, you need to (optionally) define one or more service profiles for your
WAN interfaces, then apply a service profile to the desired interface(s). Examples of this
process are displayed in
“PPP Port Configuration” on page 311
.
Defining the Type and Location of a PPP Interface
To configure a PPP WAN port, you need to first define the type and location of one or
more PPP WAN ports on your GSR. The following command line displays a simplified
example of a PPP WAN port definition:
If the port is an HSSI port that will be connected to a HSSI port on another router, you can
specify
clock
<clock-source>
in the definition. (This feature is supported on HSSI boards,
part number GSR-HSSI-02-AA.)
Setting up a PPP Service Profile
Once you have defined the type and location of your PPP WAN interface(s), you can
configure your GSR to more efficiently utilize available bandwidth for PPP
communications.
Note:
The GSR comes with a set of “default values” for PPP interface configuration
settings, which means that setting up a PPP service profile is not absolutely
necessary to begin sending and receiving PPP traffic on your GSR.
After you configure one or more service profiles for your PPP interface(s), you can then
apply a service profile to active PPP WAN ports, specifying their behavior when handling
Define the type and location of
a PPP WAN port.
port set
<port>
wan-encapsulation ppp speed
<number>