HP ProCurve 7000dl Series Basic Management And Configuration Manual page 349

Configuring the Data Link Layer Protocol for E1, T1, and Serial Interfaces
Remote would be configured as follows:
Remote(config)# interface ppp 1
Remote(config-ppp 1)# ppp chap password YYY
Example 5: CHAP Authentication to an ISP. In this example, the ISP has
provided an ID (ID-GIVEN-BY-ISP) and password (PWD-GIVEN-BY-ISP) to be
used when authenticating through CHAP. (See Figure 6-14.)
Local
Figure 6-14. Authentication to an ISP
You would configure the router being authenticated as follows:
1. Access the PPP interface:
ProCurve(config)# interface ppp 1
2. Configure the ID given by the ISP to override the local hostname.
ProCurve(config-ppp 1)# ppp chap hostname ID-GIVEN-BY-ISP
3. Set the password given by the ISP:
Remote(config-ppp 1)# ppp chap password PWD-GIVEN-BY-ISP
ISP assigned hostname
ISP assigned password
Example Networks
Internet
6-53