Chapter6 Edit Interface/Connection
Connection: Cable Modem
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Cisco Router and Security Device Manager 2.5 User’s Guide
OL-4015-12
Click the drop-down menu and choose an existing method. A window with a
list of existing dynamic DNS methods opens. This menu choice is available
only if there are existing dynamic DNS methods.
Create a new dynamic DNS method.
Click the drop-down menu and choose to create a new dynamic DNS method.
To clear an associated dynamic DNS method from the interface, choose None
from the drop-down menu.
Connection: Cable Modem
Use this dialog to change the default IP address of the cable modem service
module.
Field Description
Table6-1 Cable Modem
Element Description
Change the default service module IP address
Check box Check Change the default service module IP address if you want to
change the default IP address of this service module
IP Address
Subnet Mask You can enter the subnet mask in decimal format, or you can choose
the number of bits to include in the subnet mask. 255.25 5.255.0 is
an example of a subnet mask in decimal format. That subnet mask
value is equivalent to 24 bits. Use the up arrow and the down arrow
if you want to choose the number of bits. If you enter a decimal
value, the bit value is automatically updated. If you enter a bit value,
the decimal value is automatically updated.