Cisco OL-4015-08 User Manual page 124

Connection: Analog Modem
Authentication
Dynamic DNS
Note
Cisco Router and Security Device Manager Version 2.2 User's Guide
4-48
Subnet Mask
Enter the subnet mask. The subnet mask specifies the portion of the IP address
that provides the network address. This value is synchronized with the network
bits. Obtain the value of the subnet mask or the network bits from your network
administrator or Internet service provider.
Subnet Bits
Alternatively, enter the
provide the network address.
Click this button if you need to enter
Enable dynamic DNS if you want to automatically update your DNS servers
whenever the WAN interface's IP address changes.
This feature appears only if supported by your Cisco server's IOS.
To choose a dynamic DNS method to use, do one of the following:
Enter the name of an existing dynamic DNS method.
•
Enter the name in the Dynamic DNS Method field exactly as it appears in
the list in Configure > Additional Tasks > Dynamic DNS Methods.
• Choose an existing dynamic DNS method from a list.
Click the drop-down menu and choose to use an existing method. A window
with a list of existing dynamic DNS methods will open. 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.
network bits to specify how many bits in the IP address
CHAP or
Chapter 4 Edit Interface/Connection
PAP authentication information.
OL-4015-08