Chapter5 Configuring WAN Connections
Configuring a Cable Modem Connection
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Cisco Router and Security Device Manager 2.5 User’s Guide
OL-4015-12
Cable Modem Connection Wizard Welcome
The Welcome screen indicates that you are using the cable modem connection
wizard, and describes the tasks you perform when you configure a Cable Modem
connection.
Click Next to begin configuring the connection.
Select Interface
Select the cable modem interface to configure in this screen. The interface that
you select will be configured as a DHCP client.
Field Reference
Table 5 -20 describes the fields in this screen.
Summary
The Summary screen shows the configuration you are sending to the router. Cisco
SDM configures a cable modem connection as a DHCP client. The following lines
show cable modem connection with no NAT or static route configuration
Selected Interface: Cable Modem 0/1/0
IP Address: Dynamic (DHCP Client)
Table5-20 Select Interface
Element Description
Select an interface for the WAN
connection
Choose the cable modem interface that you want to configure.
Enable Dynamic DNS Check Enable Dynamic DNS if you want to update your DNS
servers automatically whenever the WAN interface IP address
changes.
Dynamic DNS Click the Dynamic DNS button to configure a dynamic DNS
method. See Add or Edit Dynamic DNS Method for more
information.