3Com 3031 Command Reference Manual page 244

244 C 4: L L P
HAPTER INK AYER ROTOCOL
Description
Using the ppp chap password command, you can configure the default CHAP
password while performing CHAP authentication. Using the undo ppp chap
password command, you can cancel the configuration.
While configuring CHAP authentication, you should configure the local password
to be the same as the user password at the other end.
For the related commands, see ppp authentication-mode chap and local-user.
Example
Set the user password as 3Com in plain text when the local router perform the
authentication via CHAP.
[3Com-Serial1/0/0] ppp chap password simple 3Com
ppp chap user Syntax
ppp chap user username
undo ppp chap user
View
Interface view
Parameter
username: User name of CHAP authentication, which is the one sent to the peer
equipment to be authenticated.
Description
Using the ppp chap user command, you can configure the user name when
performing the CHAP authentication. Using the undo ppp chap user command,
you can delete the existing configuration.
By default, the user name of the CHAP authentication is blank.
While configuring CHAP authentication, you should configure the username of
each end as the local_user of the peer end, and configure the corresponding
password accordingly.
For the related commands, see ppp authentication-mode and local-user.
Example
Configure the local user name as Root when CHAP authentication is performed on
interface Serial0/0/0.
[3Com-Serial1/0/0] ppp chap user Root