Configuring The Router - HPE FlexNetwork MSR series Configuration Manual

Configure PPP callback for traditional DDR between the router and Windows server. Then, the
Windows server can use the specified dial string to make a return call when the router calls the
Windows server.
Figure 63 Network diagram
Router
Ser2/1/0
100.1.1.1/24
Callback client

Configuring the router

# Create dialer group 1 and configure a dial rule for it.
<Router> system-view
[Router] dialer-group 1 rule ip permit
# Create a local user userpc for the PC, and configure the service type as PPP.
[Router] local-user usernt class network
[Router-luser-network-userc] password simple usernt
[Router-luser-network-userc] service-type ppp
[Router-luser-network-userc] quit
# Configure Serial 2/1/0 as an asynchronous interface in protocol mode.
[Router] interface serial 2/1/0
[Router-Serial2/1/0] physical-mode async
[Router-Serial2/1/0] async-mode protocol
# Enable PPP encapsulation on the interface.
[Router-Serial2/1/0] link-protocol ppp
# Configure PAP authentication on the interface.
[Router-Serial2/1/0] ppp authentication-mode pap
[Router-Serial2/1/0] ppp pap local-user Router password simple Router
# Configure the interface to obtain an IP address through PPP negotiation.
[Router-Serial2/1/0] ip address ppp-negotiate
# Enable the interface to initiate callback requests as the callback client.
[Router-Serial2/1/0] ppp callback client
# Set the holddown timer to 15 seconds.
[Router-Serial2/1/0] dialer timer enable 15
# Enable traditional DDR on the interface.
[Router-Serial2/1/0] dialer circular enable
# Associate the interface with dialer group 1.
[Router-Serial2/1/0] dialer-group 1
# Configure the dial string for calling the Windows server.
[Router-Serial2/1/0] dialer route ip 100.1.1.254 8810052
[Router-Serial2/1/0] quit
# Configure the user line to be used, and enable modem dial-in and dial-out on it.
[Router] line tty1
[Router-line-tty1] modem enable both
Modem
8810048
PSTN
Modem
100.1.1.254/24
8810052
205
NT Server
Callback server