183
[RouterB-E1 2/1] pri-set
[RouterB-E1 2/1] quit
# Configure Serial 2/0 as an FR interface.
[RouterB] interface serial 2/0
[RouterB-Serial2/0] ip address 1.0.0.2 255.0.0.0
[RouterB-Serial2/0] link-protocol fr
[RouterB-Serial2/0] fr interface-type dte
[RouterB-Serial2/0] fr inarp
[RouterB-Serial2/0] fr map ip 1.0.0.1 200
[RouterB-Serial2/0] quit
# Configure C-DCC on PRI interface Serial 2/1:15.
[RouterB] interface serial 2/1:15
[RouterB-Serial2/1:15] ip address 2.0.0.2 255.0.0.0
[RouterB-Serial2/1:15] dialer enable-circular
[RouterB-Serial2/1:15] dialer-group 1
[RouterB-Serial2/1:15] dialer route ip 2.0.0.1 mask 8 660330
[RouterB-Serial2/1:15] quit
# Configure the Ethernet interfaces with the network segments attached.
[RouterB] interface ethernet 1/0
[RouterB-Ethernet1/0] ip address 10.0.0.1 255.0.0.0
[RouterB-Ethernet1/0] quit
[RouterB] interface ethernet 1/1
[RouterB-Ethernet1/1] ip address 11.0.0.1 255.0.0.0
[RouterB-Ethernet1/1] quit
[RouterB] interface ethernet 1/2
[RouterB-Ethernet1/2] ip address 12.0.0.1 255.0.0.0
[RouterB-Ethernet1/2] quit
# Configure RIP.
[RouterB] rip
[RouterB-rip-1] network 1.0.0.0
[RouterB-rip-1] network 2.0.0.0
[RouterB-rip-1] network 10.0.0.0
[RouterB-rip-1] network 11.0.0.0
[RouterB-rip-1] network 12.0.0.0
[RouterB-rip-1] import-route direct
Troubleshooting
Symptom 1
DCC dialup connection cannot be set up because the modem does not dial when the router forwards
data.
Solution
Check that:
• The modem and phone cable connections are correct, and the modem initialization process is
correct.
• The dialup interface, if it is synchronous/asynchronous, is set to operate in asynchronous
protocol mode.
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