DCC Configuration Example 197[RouterB] user-interface tty2[RouterB-ui-tty2] modem bothRouter-to-RouterCallback with DCC (ISDNApproach)Network requirementsFigure 29 presents a scenario where:■ Router A and Router B are interconnected via ISDN BRI interfaces across anISDN network.■ Interface BRI 1/0 on Router A is assigned the IP address of 100.1.1.1/24 andinterface BRI 1/0 on Router B is assigned the IP address of 100.1.1.2/24.Configure ISDN caller identification callback with C-DCC between Router A andRouter B, specifying Router A as the callback client and Router B as the callbackserver.Network diagramFigure 29 Network diagram for ISDN caller identification callback with DCCConfiguration procedure1 Configure Router A# Configure a dial access control rule for dialer access group 1. system-view[RouterA] dialer-rule 1 ip permit# Assign an IP address to interface BRI 1/0, and configure C-DCC parameters andthe dial string for placing calls to Router B.[RouterA] interface bri 1/0[RouterA-Bri1/0] ip address 100.1.1.1 255.255.255.0[RouterA-Bri1/0] dialer enable-circular[RouterA-Bri1/0] dialer-group 1[RouterA-Bri1/0] dialer route ip 100.1.1.2 8810052[RouterA-Bri1/0] dialer timer enable 152 Configure Router B# Configure a dial access control rule for dialer access group 2. system-view[RouterB] dialer-rule 2 ip permit# Assign an IP address to interface BRI 1/0, and configure C-DCC parameters andthe dial string for placing calls to Router A.[RouterB] interface bri 1/0[RouterB-Bri1/0] ip address 100.1.1.2 255.255.255.0[RouterB-Bri1/0] dialer enable-circular
