R2511-HP MSR Router Series Interface Configuration Guide(V5)

Figure 2 Network diagram

Configuration procedure

# Configure a dial access control rule for dialer access group 1.

<Router> system-view

[Router] dialer-rule 1 ip permit

# Assign an IP address to interface Cellular 0/0.

[Router] interface cellular 0/0

[Router-Cellular0/0] ip address 1.1.1.1 255.255.0.0

# Enable circular DCC (C-DCC) on interface Cellular 0/0.

[Router-Cellular0/0] dialer enable-circular

# Associate interface Cellular 0/0 with dialer access group 1.

[Router-Cellular0/0] dialer-group 1

# Set the interval for DCC to make the next call attempt to five seconds.

[Router-Cellular0/0] dialer timer enable 5

# Configure a dial string for calling a remote end.

[Router-Cellular0/0] dialer number 666666

[Router-Cellular0/0] quit

# Enable modem dial-in and dial-out on User interface 1.

[Router] user-interface tty 1

[Router-ui-tty1] modem both

Cellular Ethernet interface configuration example

Network requirements

As shown in Figure 3, the router provides a USB 3G/4G module, and the PC dials up to access a

3G/4G network through Dial Control Center (DCC).

For more information about how DCC establishes dialup connections, see Layer 2—WAN Configuration

Guide.

Figure 3 Network diagram

Configuration procedure

# Configure a dial access control rule for dialer access group 1.

<Router> system-view

[Router] dialer-rule 1 ip permit

# Assign an IP address to interface Cellular-Ethernet 0/0.