Specifications

6-19
Cisco XR 12000 Series Router SIP and SPA Software Configuration Guide, Release 3.2
Release 3.2, OL-6396-01, Rev.A1 January 9, 2006
Chapter 6 Configuring POS SPAs on Cisco IOS XR Software
Configuration Tasks
Caution If you use a list-name value that was not configured with the aaa authentication ppp command, you
will disable PPP on the interface. For details on implementing the aaa authentication command with
the ppp keyword, see the Authentication, Authorization, and Accounting Commands on Cisco IOS XR
Software module of the Cisco IOS XR System Security Command Reference and the Configuring AAA
Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.
Summary Steps
1. configure
2. interface type number
3. encapsulation ppp
4. ppp authentication protocol list-name
5. end
or
commit
Detailed Steps
Command or Action Purpose
Step 1
configure
Example:
RP/0/0/CPU0:router# configure
Enters global configuration mode.
Step 2
interface type number
Example:
RP/0/0/CPU0:router(config)# interface pos
0/4/1/0
Enters interface configuration mode, where:
• type—Specifies pos for POS SPAs.
• number—Specifies the POS interface in the notation
rack/slot/module/port.
The example indicates POS interface 0, on a SPA in subslot
1, in line card slot 4.
Step 3
encapsulation ppp
Example:
RP/0/0/CPU0:router(config-if)# encapsulation
ppp
Configures the interface encapsulation parameter for PPP.