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Configuring DCC 723
Table 757 Implement PPP Callback (Client Configuration) in Circular DCC
By default, the system does not enable callback function and is not configured
with any Windows NT server callback dial number.
2 Configure the PPP callback server in the circular DCC implementation
The callback server can originate a return call according to either the network
address configured in the
dialer route command (PPP authentication must be
configured in this case), or the dial number configured in the
local-user
callback-number
command. Therefore, the user must configure either method in
the
dialer callback-center command for placing the return call.
The user should configure the callback client user name in the dialer route
command, so that the callback server can authenticate whether a calling party is a
legal callback user when receiving its call requesting callback.
Use the local-user callback-number command to configure the callback user
and callback dial number in system view, and perform other configurations in dial
interface (physical or dialer interface) view.
Table 758 Implement PPP Callback (Server Configuration) in Circular DCC
Operation Command
Configure PPP encapsulation link-protocol ppp
Configure the local end to send the user
name and password for PAP
authentication
ppp pap local-user username password
{ cipher | simple } password
Configure the local user name sent to the
remote end for CHAP authentication
ppp chap user username
Configure the password that the local end
will send to the remote end for CHAP
authentication
ppp chap password { cipher | simple }
password
Configure the user name and password
that the remote end is allowed to dial in
local-user username password { cipher
| simple } password
Configure the local end to be the PPP
callback client
ppp callback client
Disable the local end to be the PPP
callback client
undo ppp callback client
Configure the destination addresses and
dial number(s) for calling one (or more)
remote ends
dialer route protocol
next-hop-address dial-number
Configure the dial number for a Windows
NT server to originate return calls to the
router
ppp callback ntstring dial-number
Delete the dial number that a Windows
NT server needs for placing return calls to
the router
undo ppp callback ntstring
Operation Command
Configure PPP encapsulation link-protocol ppp
Configure an authentication mode ppp authentication-mode { pap | chap
}
Configure the user name that the local
end will send to the remote end for CHAP
authentication
ppp chap user username
Configure the password that the local end
will send to the remote end for CHAP
authentication
ppp chap password { cipher | simple }
password