Cisco CRS Configuration Manual page 171

Implementing Layer 2 Tunnel Protocol Version 3
This task configures a set of authentication control-channel parameters in an L2TP class. All of the
authentication control-channel parameter configurations may be configured in any order. If these parameters
are not configured, the default values are applied.
SUMMARY STEPS
1. configure
2. l2tp-class word
3. authentication
4. password {0 | 7} password
5. hostname name
DETAILED STEPS
Step 1
configure
Example:
RP/0/RP0/CPU0:router# configure
Enters the Global Configuration mode.
Step 2 l2tp-class word
Example:
RP/0/RP0/CPU0:router(config)# l2tp-class class1
Specifies the L2TP class name and enters L2TP class configuration mode.
Step 3 authentication
Example:
RP/0/RP0/CPU0:router(config-l2tp-class)# authentication
Enables authentication for the control-channel between PE routers.
Step 4 password {0 | 7} password
Example:
RP/0/RP0/CPU0:router(config-l2tp-class)# password 7 cisco
Configures the password used for control-channel authentication.
• [0 | 7]—Specifies the input format of the shared secret. The default value is 0.
◦0—Specifies an encrypted password will follow.
◦7—Specifies an unencrypted password will follow.
• password—Defines the shared password between peer routers.
Cisco IOS XR Virtual Private Network Configuration Guide for the Cisco CRS Router, Release 6.1.x
Configuring L2TP Control-Channel Parameters
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