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Cisco Router and Security Device Manager Version 2.2 Users Guide
OL-4015-08
Chapter4 Edit Interface/Connection
Connection: Ethernet for Routing
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: Ethernet for Routing
This dialog box contains the following fields if you selected Ethernet for
Routing in the Configure list.
IP Address
Enter an IP address and subnet mask in the IP Address fields. This address will be
the source IP address for traffic originating from this interface, and the destination
IP address for traffic destined for hosts connected to this interface.

DHCP Relay

Click this button to enable the router to act as a DHCP relay. A device acting as a
DHCP relay forwards DHCP requests to a DHCP server. When a device needs to
have an IP address dynamically assigned, it broadcasts a DHCP request. A DHCP
server replies to this request with an IP address. You can have a maximum of one
DHCP relay or one DHCP server per subnetwork.
Note If the router has been previously configured to be a DHCP relay and is
configured to have more than one remote DHCP server IP address, these
fields will be disabled.
IP Address of Remote DHCP Server
Enter the IP address of the DHCP server that will provide addresses to devices on
the LAN.