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Cisco Router and Security Device Manager 2.5 User’s Guide
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Chapter6 Edit Interface/Connection
Connection: Virtual Template Interface
Static IP Address
If you chose Static IP address, enter that IP address in this field.
Subnet Mask
Enter the subnet mask in this field, or choose the number of subnet bits from t he
field on the right. The subnet mask tells the router which bits of the IP address
designate the network address and which bits designate the host address.
Connection: Virtual Template Interface
You can add or edit a VTI as part of an 802.1x or VPN configuration. When you
are editing a VTI, the fields that you can edit appear in a Connection tab.

Interface Type

Choose either default or tunnel. If you choose tunnel, you must also select a
tunnel mode.

IP Address

Choose Unnumbered. The VTI uses the IP address of the physical interface that
is chosen in the Unnumbered to field.

Unnumbered to

This field appears when you choose Unnumbered in the IP Address field. Choose
the interface whose IP address you want this VTI to use.
Tunnel Mode
Choose IPSec-IPv4.
Connection: Ethernet LAN
Use this window to configure the IP address and DHCP properties of an Ethernet
interface that you want to use as a LAN interface.