3Com 3C13636 Configuration Manual page 1437

Router 3000 ethernet family

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3Com Router 3000 Ethernet Family

Configuration Guide

II. Network diagram

Use ISDN BRI/PRI interfaces to connect over ISDN

Figure 1-10 Network diagram for a common DCC application

III. Configuration procedure

Solution 1: Establish a connection via the serial interface by using C-DCC, configure

the DCC parameters on the dialer interface for RouterA with the help of a dialer circular

group, and directly configure the DCC parameters on the physical interfaces on

RouterB and RouterC.

Configure RouterA

# Configure dial-up ACL.

[3Com] dialer-rule 1 ip permit

# Configure Dialer0 interface address, enable C-DCC and the DCC to the peer.

[3Com] interface dialer 0

[3Com-Dialer0] dialer enable-circular

[3Com-Dialer0] ip address 100.1.1.1 255.255.255.0

[3Com-Dialer0] dialer-group 1

[3Com-Dialer0] dialer route ip 100.1.1.2 8810052

[3Com-Dialer0] dialer route ip 100.1.1.3 8810063

# Configure the asynchronous protocol mode of Serial0/0/0 interface, using Dialer

Circular group.

[3Com-Dialer0] interface serial 0/0/0

[3Com-Serial0/0/0] physical-mode async

[3Com-Serial0/0/0] async mode protocol

[3Com-Serial0/0/0] dialer circular-group 0

# Configure the asynchronous protocol mode of Serial1/0/0 interface, using Dialer

Circular group.

[3Com-Serial0/0/0] interface serial 1/0/0

[3Com-Serial1/0/0] physical-mode async

Use serial interfaces to connect over PSTN

3Com Corporation

Chapter 1 DCC Configuration

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3c13636-us - router 3036 3000 series