Cisco Systems OL-4015-08 Add or Edit GRE Tunnel'

Chapter4 Edit Interface/Connection
Add or Edit GRE Tunnel'
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Cisco Router and Security Device Manager Version 2.2 User’s Guide
OL-4015-08
The clock settings button will only appear if you are configuring a T1 or E1 serial
connection.
Dynamic DNS
Enable dynamic DNS if you want to automatically update your DNS servers
whenever the WAN interface’s IP address changes.
Note 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.
Add or Edit GRE Tunnel'
You can add a GRE tunnel to an interface or edit an existing interface in this
window. This window will not appear if the GRE tunnel has not been configured
using gre ip mode.
Tunnel Number
Enter a number for this tunnel.