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65-15
User Guide for Cisco Security Manager 4.4
OL-28826-01
Chapter 65 Managing Cisco Catalyst Switches and Cisco 7600 Series Routers
Interfaces
Field Reference
Table 65-6 Create and Edit Interface Dialog Boxes—Trunk Port Mode
Element Description
Enable Interface When selected, enables the interface.
When deselected, disables the interface using the shutdown command.
Type Specifies whether the definitions apply to an interface or a subinterface.
For details about defining a subinterface, see Create and Edit Interface
Dialog Boxes—Subinterfaces, page 65-22.
Name (Select button) Displays the generated interface name, if the name has been set.
Click Select to open the Interface Auto Name Generator Dialog Box,
page 59-12. From here, you can enter or edit the details that Security
Manager uses to generate an interface name.
Mode The port configuration type for this interface.
Select Trunk Port to display the configuration options that are relevant
for trunk ports.
Trunk Port settings
Encapsulation Select one of the following:
• DOT1Q—Specifies VLAN encapsulation on the trunk link, as
defined by the IEEE 802.1Q standard. Applies only to Ethernet
subinterfaces.
• ISL—Specifies ISL encapsulation on the trunk link. 10-Gigabit
Ethernet ports do not support ISL encapsulation.
Tip To configure DOT1Q encapsulation on an Ethernet interface
without associating the VLAN with a subinterface, enter the
vlan-id dot1q command using CLI commands or FlexConfigs.
Configuring VLANs on the main interface increases the
number of VLANs that can be configured on the router.