Table Of Contents
Ports/Interface Management
(Switch > Ports)
Configuring All Ports/Interfaces
Editing Port/Interface Attributes
Restarting Ports/Interfaces
Configuring a Group of Physical Ports Using the Port Wizard
Selecting Ports
Port Selector
Configuring Ports
Configuring VLAN for Ports
Access Port Configuration
Trunk Port Configuration
Routed Port Configuration
Port Wizard Summary
Configuring Access Ports
Editing and Restarting Access Ports
Configuring Trunk Ports
Editing and Restarting Trunk Ports
Configuring Routed Ports
Editing and Restarting Routed Ports
Configuring SVIs
Editing and Restarting SVIs
Adding an SVI
Configuring Tunnel Interfaces
Editing and Restarting Tunnel Interfaces
Adding a Tunnel Interface
Configuring Loopback Interfaces
Editing and Restarting Loopback Interfaces
Adding a Loopback Interface
Viewing Other Interfaces
Understanding Interface Ranges
Adding Interface Ranges
Switched Virtual Interface Selector
Editing Interface Ranges
Viewing Interface Range Details
Editing Ports/Interfaces Within an Interface Range
Ports/Interface Management
(Switch > Ports)
CVDM-C6500 provides configuration of both physical ports and logical interfaces. In this section, both physical ports and logical interfaces are referred to as interfaces.
CVDM-C6500 supports these interface types:
•
Ethernet
•Fast Ethernet
•Gigabit Ethernet
•Ten Gigabit Ethernet
•Switched Virtual Interface (SVI)
The following topics contain information about:
•Configuring All Ports/Interfaces
•Configuring a Group of Physical Ports Using the Port Wizard
•Configuring Access Ports
•Configuring Trunk Ports
•Configuring Routed Ports
•Configuring SVIs
•Configuring Tunnel Interfaces
•Configuring Loopback Interfaces
•Viewing Other Interfaces
•Understanding Interface Ranges
Configuring All Ports/Interfaces
You can view all ports and interfaces that exist on the device. Click Switch at the top of the window, click Ports in the left-most pane, and select Ports/Interfaces from the selector to display the Ports/Interfaces page (see Figure 3-1).
Note To easily configure a group of physical ports, use the Port Setup wizard. For more information on the Port Setup wizard, see Configuring a Group of Physical Ports Using the Port Wizard.
Figure 3-1 Ports/Interfaces Page
This page provides a table displaying the following information.
Column
|
Description
|
Name
|
Interface type and the number of the connector or interface card. For example, fastethernet 5/1 means Fast Ethernet, slot 5, interface 1.
|
Description
|
Enter a description of the interface to help you remember its function.
|
Admin Status
|
Administrative status of the interface, either up or down.
|
Oper Status
|
Line protocol status of the port (whether or not port is passing packets).
|
Mode
|
Configuration mode (access, trunk, or routed) for physical ports.
|
Hardware Type
|
Port hardware type. This field is applicable only to physical ports.
|
Note All columns are sortable.
Editing Port/Interface Attributes
Step 1 From the Ports/Interfaces page you can edit port/interface description, administrative status, and mode settings. Click Switch at the top of the window, click Ports from the left-most pane, and select Ports/Interfaces from the selector.
Step 2 From the table, select the port you want to edit. To select multiple ports, press the Ctrl key as you select each port you want to edit.
Step 3 Click Edit.... The Edit Port dialog box appears.
Step 4 Edit the appropriate values.
GUI Element
|
Action/Description
|
Name field
|
Interface type and the number of the connector or interface card. For example, fastethernet 5/1 means Fast Ethernet, slot 5, interface 1.
This field cannot be edited.
|
Description field
|
Enter a description of the interface to help you remember its function.
|
Admin Status list
|
Administrative status of the interface, either up or down.
|
Mode list
|
Select the port mode:
•Access
•Trunk
•Routed
|
Step 5 Click OK.
Step 6 Click Deliver at the top of the window. For more information on delivering accumulated CLI commands, see Delivering CLI Commands to the Device.
Restarting Ports/Interfaces
You can shut down a port/interface and then restart it.
CVDM-C6500 issues a shutdown command (# shutdown), followed by a no shutdown command (# no shutdown). CVDM-C6500 then refreshes and updates the Admin and Oper Status values.
Note If you have pending CLI commands to deliver to the device, click Deliver before resetting the interfaces.
Step 1 Click Switch at the top of the window, click Ports from the left-most pane, and select Ports/Interfaces, Access Ports, Trunk Ports, Routed Ports, or Switched Virtual Interfaces from the selector.
Step 2 From the table, select the interface you want to restart. To select multiple interfaces, press the Ctrl key as you select each port you want to restart.
Step 3 Click the Reset button.
Configuring a Group of Physical Ports Using the Port Wizard
You can configure a group of physical ports as access, trunk, or routed ports using the Port Wizard. The wizard will walk you through VLAN configuration, spanning tree configuration, and so forth, based on the type of ports selected. The wizard shows appropriate default values based on Cisco recommended best practice configurations.
Note When using the wizard, existing configurations of selected ports are cleared (a default interface command is issued) and the ports are configured with the new wizard configuration.
Step 1 Click Switch at the top of the window, click Ports in the left-most pane, and select Ports/Interfaces from the selector. The Ports/Interfaces page appears.
Step 2 Click the Setup Wizard button.
Selecting Ports
In the ports selection page of the wizard, you define the ports you want to configure.
Step 1 Enter ports to configure, by doing one of the following:
•To manually enter ports, click the Enter Port Range option. You can enter either of the following:
–One or more ports, separated by commas (for example, Fa3/10, Fa3/12).
–A range of ports (for example, Fa3/10-14).
•To select from available ports, click the Select Ports option. (For more information on the Port Selector, see Port Selector.)
Step 2 (Optional) Enter a shortcut name for the group of ports you are configuring. This creates an interface range macro for the selected ports. This allows you to later view this group of ports by clicking the macro from the Custom View folder. See Understanding Interface Ranges for more information on interface ranges.
Note Although an interface range macro is created, CVDM-C6500 applies the configuration defined by the wizard to each port separately. You can see this if you have set CVDM-C6500 to display the CLI commands to be delivered to the device using the Deliver Configuration to Switch dialog box. For information on setting this option, see Editing Preferences.
Port Selector
The Port Selector appears in various wizards. It allows you to browse and select ports for configuration. The following table describes how to use the Port Selector.
GUI Element
|
Action/Description
|
Available Ports column
|
The table in the Available Ports column displays all physical ports that are available and supported on this switch. It displays ports that are associated with the selected port connection mode.
From the table, select the port you want to configure. To select multiple ports, press the Ctrl key as you select random ports or press the Shift key as you select contiguous ports to configure.
Note If the destination port mode is Routed, then you can select only one port at a time to add to the Selected Port(s) column.
Depending on what type of port you select, the Available Ports column may contain the following columns:
•Name—Indicates the name assigned to a port.
•Type—Indicates the hardware type of a port.
•VLAN—Indicates the VLAN with which a port is associated. This field is displayed only when the Access port connection mode is selected.
•Allowed VLANs—Indicates the range of valid VLAN values for a port. This field is displayed only when the Trunk port connection mode is selected.
•IP Address—Indicates the IP address of a port. This field is displayed only when the Routed port connection mode is selected.
|
Add>> button
|
With ports selected in the Available Ports column, click to add selected ports to the Selected Port(s) column.
|
<<Remove button
|
With ports selected in the Selected Port(s) table, click to remove selected ports from that table.
|
Clear All button
|
Click to remove all ports listed in the Selected Port(s) table and put them back in the Available Ports table.
|
Selected Port(s) column
|
Displays all selected ports. With either Access or Trunk port mode selected, the ports listed here are assigned to the VLAN specified in the VLAN field.
The Name field indicates the name of a selected port.
Note IP address and network mask values can be seen when you pass your mouse over the port.
|
Routed Port Details Dialog Box
This dialog box appears from the Port Selector when a selected destination port mode is routed and the IP address and network mask details are not available. The following information appears.
Field
|
Action/Description
|
Port Name
|
Interface type and the number of the connector or interface card. For example, fastethernet 5/1 means Fast Ethernet, slot 5, interface 1.
|
IP Address
|
Enter the port IP address.
|
Net Mask
|
Enter a network mask or select one from the list.
|
Configuring Ports
On the basic ports configuration page of the wizard, you define the following port parameters.
Note Depending on the capabilities of the port, many of the parameters and values described may not be available.
GUI Element
|
Description/Action
|
Connection Mode radio buttons
|
Select the type of port connection you want to establish:
•Switch-to-Host—Creates a connection between the switch and a host machine.
•Switch-to-Switch—Creates a connection between two switches.
•Switch-to-Router—Creates a connection between a switch and a router.
Note The term Switch refers to the Cisco Catalyst 6500 series switch.
|
Port Mode list
|
Select the port configuration type:
•Access
•Trunk (not available when connection mode is Switch-to-Router)
•Routed (not available when connection mode is Switch-to-Switch)
|
Description field
|
Enter a description of the interface to help you remember its function.
|
MTU (bytes) field
|
(Optional) Enter the maximum packet size.
Note Access or trunk ports can have a value of 1500 or 9216. Routed ports have a valid range from 1500 to 9216.
|
Flow Control: Send list
|
Select one of the following:
•Off—The port does not send flow-control frames to the neighboring port.
•On—The port sends flow-control frames to the neighboring port.
|
Flow Control: Receive list
|
Select one of the following:
•Off—The port does not use flow control, regardless of whether flow control is requested by the neighboring port.
•On—The port uses flow control dictated by the neighboring port.
|
Admin Status list
|
Administrative status of the interface, either up or down.
|
Speed (Mbps) list
|
(Optional) Select how fast the interface transmits information:
•10—Transmits at 10 Mbps.
•100—Transmits at 100 Mbps.
•auto—Enables the autonegotiation capability.
|
Duplex list
|
Select duplex operation:
•Half—Sends and receives data, but not at the same time.
•Full—Sends and receives data at the same time.
Note If speed is set to auto, both speed and duplex are autonegotiated.
|
UDLD list
|
Select Unidirectional Link Detection mode:
•Enabled—Enables UDLD in normal mode.
•Aggressive—Enables UDLD in aggressive mode. Overrides the setting of the global UDLD.
•Disabled—Disables UDLD.
UDLD is a Layer 2 protocol that works with Layer 1 mechanisms to determine the physical status of a link. At Layer 1, autonegotiation takes care of physical signaling and fault detection.
UDLD performs tasks that autonegotiation cannot perform, such as detecting the identities of neighbors and shutting down misconnected ports. When you enable both autonegotiation and UDLD, Layer 1 and 2 detections work together to prevent physical and logical unidirectional connections and the malfunctioning of other protocols.
|
Enable CDP check box
|
Select to enable CDP, or deselect to disable CDP.
|
Configuring VLAN for Ports
In the access port configuration page of the wizard, you define VLAN information for selected ports. Depending on the type of configuration mode (access, trunk, or routed) you chose in Step 2, you will now do one of the following:
•Access Port Configuration
•Trunk Port Configuration
•Routed Port Configuration
Access Port Configuration
For access port configuration mode, you configure the access VLAN.
GUI Element
|
Action/Description
|
Assign Ports to VLAN pane
|
Access VLAN list
|
Click  and then select one of the following:
•Select VLAN—Opens the VLAN Selector dialog box and allows you to select available VLANs.
•Create VLAN—Opens the Create VLAN Dialog Box and allows you to create a VLAN.
•Clear VLAN—Clears all VLANs in the field.
|
Port Security pane
|
Port Security check box
|
Select to enable port security options or deselect to disable port security options. For port security configuration guidelines, see the relevant section in the Catalyst 6500 Family IOS Software Configuration Guide.
|
Max Num MAC Address field
|
Enter the maximum number of secure MAC addresses. The range is 1-1025.
|
Violation Policy list
|
Select the violation policy type:
•Protect—Drops packets with unknown source addresses until you remove a sufficient number of secure MAC addresses to drop below the maximum value.
•Restrict—Drops packets with unknown source addresses until you remove a sufficient number of secure MAC addresses to drop below the maximum value, and causes the securityviolation counter to increment.
•Shutdown—Immediately puts the interface into the error-disabled state and sends an SNMP trap notification.
|
Spanning Tree Parameters pane
|
Port Fast list
|
From the list, select one of the following:
•Enabled
•Disabled
•Global
This option causes a port to immediately enter the spanning-tree forwarding state, bypassing the listening and learning states.
|
BPDU Guard list
|
From the list, select one of the following:
•Enabled
•Disabled
•Global
This option causes the spanning tree to shut down PortFast-configured interfaces that receive BPDUs, instead of putting them into the spanning-tree blocking state.
|
BPDU Filter list
|
From the list, select one of the following:
•Enabled
•Disabled
•Global
This option forces an interface to become a designated port to protect the current root status and prevent surrounding switches from becoming the root switch.
|
Create VLAN Dialog Box
This dialog box appears when you click the Create VLAN... button from a number of other dialog boxes. This dialog box allows you to create a new VLAN. Enter the following information and click OK.
GUI Field
|
Action/Description
|
VLAN ID
|
Enter the ID number of the VLAN.
|
VLAN Name
|
Enter the name of the VLAN.
|
Media Type
|
Type of VLAN.
|
VLAN Selector
This dialog box displays the available VLANs that you can select from. Select a VLAN from the table and click OK.
Column
|
Description
|
VLAN ID
|
Number (ID) of the VLAN.
|
Name
|
Name of the VLAN.
|
Access Ports
|
Access ports assigned to the VLAN.
|
Trunk Ports
|
Trunk ports assigned to the VLAN.
|
Services
|
Services associated to the VLAN.
|
Trunk Port Configuration
For trunk ports, configure the following trunk parameters:
GUI Element
|
Action
|
Trunk Parameters
|
Trunk Mode list
|
Select one of the following trunk modes:
•Static—Puts the port into permanent trunking mode and negotiates to convert the link into a trunk link. The LAN port becomes a trunk port even if the neighboring port does not accept the change.
•Dynamic-Auto—Allows the port to convert the link to a trunk link. The port becomes a trunk port if the neighboring port is set to trunk or desirable mode.
•Dynamic-Desirable—Makes the port actively attempt to convert the link to a trunk link.
|
Dynamic Trunk Protocol (DTP) Negotiate check box
|
Select to enable DTP negotiation, or deselect to disable DTP negotiation.
This option is available only if trunk mode is static. If trunk mode is Dynamic-Desirable or Dynamic-Auto, DTP negiotiation has to be turned on.
DTP manages trunk autonegotiation on ports. DTP supports autonegotiation of both ISL and 802.1Q trunks.
|
Trunk Encapsulation list
|
Select one of the following:
•dot1q—Specifies 802.1Q encapsulation on the trunk link.
•isl—Specifies ISL encapsulation on the trunk link. 10-Gigabit Ethernet ports do not support ISL encapsulation.
|
Assign VLANs
|
Allowed VLANs field
|
Do one of the following:
•Enter one of the following:
–One or more VLANs, separated by commas (for example, 111,600).
–A range of VLANs (for example, 1-4094).
•Click and then select one of the following:
–Select VLAN—Opens the VLAN Selector dialog box and allows you to select available VLANs.
–Create VLAN—Opens the Create VLAN Dialog Box and allows you to create a VLAN.
–Clear VLAN—Clears all VLANs in the field.
|
Pruning Eligible VLANs field
|
Do one of the following:
•Enter one of the following:
–One or more VLANs, separated by commas (for example, 111,600).
–A range of VLANs (for example, 2-1001).
•Click and then select one of the following:
–Select VLAN—Opens the VLAN Selector dialog box and allows you to select available VLANs.
–Create VLAN—Opens the Create VLAN Dialog Box and allows you to create a VLAN.
–Clear VLAN—Clears all VLANs in the field.
|
Native VLANs list
|
Click and then select one of the following:
–Select VLAN—Opens the VLAN Selector dialog box and allows you to select available VLANs.
–Create VLAN—Opens the Create VLAN Dialog Box and allows you to create a VLAN.
–Clear VLAN—Clears all VLANs in the field.
|
Spanning Tree Parameters
|
Port Fast list
|
Select one of the following:
•Enabled
•Disabled
•Global
This option causes a port to immediately enter the spanning-tree forwarding state, bypassing the listening and learning states.
|
BPDU Guard list
|
Select one of the following:
•Enabled
•Disabled
•Global
This option causes the spanning tree to shut down PortFast-configured interfaces that receive BPDUs, instead of putting them into the spanning-tree blocking state.
|
BPDU Filter list
|
Select one of the following:
•Enabled
•Disabled
•Global
This option forces an interface to become a designated port to protect the current root status and prevent surrounding switches from becoming the root switch.
|
Root Guard list
|
Select one of the following:
•Disabled
•Enabled
When enabled, the root guard feature provides a way to enforce the placement of a root bridge in a network.
|
Routed Port Configuration
For routed ports, you see the following parameters.
Column
|
Action/Description
|
Name
|
Name of the port being configured.
|
IP Address
|
Double-click the cell and enter the IP address.
|
Mask
|
Double-click the cell and select a mask from the list.
|
Port Wizard Summary
From this window, you can view a summary of the configured settings.
Note Any port configuration changes you made will clear all previous configurations after you click Finish.
Click Finish to send the commands to the device. The Deliver Configuration to Switch/Module(s) dialog box appears if you have configured CVDM-C6500 to display the accumulated CLI commands after you have completed a wizard (for information on configuring this option, see Editing Preferences).
For more information on the Deliver Configuration to Switch/Module(s) dialog box, see Delivering CLI Commands to the Device.
Configuring Access Ports
An access port is a switching port that is used to connect host machines or servers. An access port belongs to and carries the traffic of only one VLAN. Traffic is received and sent in native formats with no VLAN tagging.
You can view all access ports on the switch. Click Switch at the top of the window, click Ports in the left-most pane, and select Access Ports from the selector. The Access Ports page is displayed.
This page displays the following:
•Access Ports pane—Contains a table that shows general information about each access port.
Column
|
Description
|
Name
|
Interface type and the number of the connector or interface card. For example, fastethernet 5/1 means Fast Ethernet, slot 5, interface 1.
|
Description
|
Enter a description of the interface to help you remember its function.
|
Admin Status
|
Administrative status of the port/interface.
|
Oper Status
|
Line protocol status of the port (whether or not the port is passing packets).
|
Access VLAN
|
VLAN ID associated with the port.
|
Hardware Type
|
Hardware configuration type.
|
Note All columns are sortable.
•Details pane—Shows detailed information about a single selected port. When multiple ports are selected, the Details pane will not show any values. See Editing and Restarting Access Ports for descriptions of each field.
Editing and Restarting Access Ports
Step 1 Click Switch at the top of the window, click Ports in the left-most pane, and select Access Ports from the selector. The Access Ports page displays all access ports and related access port parameters in a table.
Step 2 From the table, select the port you want to edit. To select multiple ports, press the Ctrl key as you select each port you want to edit.
Step 3 Click one of the following buttons below the table:
•Reset—Shuts down and restarts an interface. For more information see Restarting Ports/Interfaces.
•Edit—Edits port settings. The Edit Access Port or the Multi Port Edit dialog box appears.
Note•If you are editing multiple ports, you will see that all values in the parameter fields are empty. Any values or configuration changes you enter are applied to all selected ports. Any values that you do not enter or change will remain at their previous configuration setting.
•The single edit ports dialog box and the multiple edit ports dialog box may have different parameters available.
•Depending on the capabilities of the selected ports, many of the parameters and values described may not be available.
GUI Element
|
Action/Description
|
Name field
|
Interface type and the number of the connector or interface card. For example, fastethernet 5/1 means Fast Ethernet, slot 5, interface 1.
This field cannot be edited.
|
Description field
|
Enter a description of the interface to help you remember its function.
|
Admin Status list
|
Select the administrative status of the interface:
•up
•down
|
Access VLAN list
|
Click and then select one of the following:
•Select VLAN—Opens the VLAN Selector dialog box and allows you to select available VLANs.
•Create VLAN—Opens the Create VLAN Dialog Box and allows you to create a VLAN.
•Clear VLAN—Clears all VLANs in the field.
|
Port Security list or check box
|
Multiple Port Edit Mode—From the list, select one of the following:
•Enabled
•Disabled
Single Port Edit Mode—Select the check box to enable security options and deselect to disable security options.
For port security configuration guidelines, see the relevant section in the Catalyst 6500 Family IOS Software Configuration Guide.
|
Max MAC Addresses field
|
Enter the maximum number of secure MAC addresses. The range is 1-1025.
|
Violation Policy list
|
Select type of violation policy:
•Protect—Drops packets with unknown source addresses until you remove a sufficient number of secure MAC addresses to drop below the maximum value.
•Restrict—Drops packets with unknown source addresses until you remove a sufficient number of secure MAC addresses to drop below the maximum value, and causes the securityviolation counter to increment.
•Shutdown—Immediately puts the interface into the error-disabled state and sends an SNMP trap notification.
|
Speed list
|
Select how fast the interface transmits:
•10—Transmits at 10 Mbps.
•100—Transmits at 100 Mbps.
•auto—Enables the autonegotiation capability.
|
Duplex list
|
Select duplex operation:
•Half—Sends and receives data, but not at the same time.
•Full—Sends and receives data at the same time.
Note If speed is set to auto, both speed and duplex are autonegotiated.
|
MTU (bytes) list
|
Select the maximum packet size. Valid values are 1500 or 9216.
|
Link Negotiation list
|
Multiple Edit Mode—Select to enable or disable link negotiation.
|
UDLD list
|
Select UDLD mode:
•Enabled—Enables UDLD in normal mode.
•Aggressive—Enables UDLD in aggressive mode. Overrides the setting of the global UDLD.
•Disabled—Disables UDLD.
|
Enable CDP check box
|
Single Edit Mode—Select to enable CDP, and deselect to disable CDP.
|
CDP list
|
Multiple Edit Mode—From the list, select one of the following:
•Enabled
•Disabled
|
Flow Control: Send list
|
Select one of the following:
•Off—The port does not send flow-control frames to the neighboring port.
•On—The port sends flow-control frames to the neighboring port.
|
Flow Control: Receive list
|
Select one of the following:
•Off—The port does not use flow control, regardless of whether flow control is requested by the neighboring port.
•On—The port uses flow control dictated by the neighboring port.
|
Configuring Trunk Ports
A trunk port is a switching port operating at Layer 2 to carry multiple VLAN traffic. Traffic is tagged with a VLAN number to differentiate traffic from each VLAN. A trunk port is used to connect switches to switches or to connect switches to routers. The Trunk Ports page displays all trunk ports and related trunk port parameters in a table.
You can view all trunk ports on the switch. Click Switch at the top of the window, click Ports in the left-most pane, and select Trunk Ports from the selector. The Trunk Ports page is displayed. This page displays the following:
•Trunk Ports table—Shows general information about each trunk port.
Column
|
Description
|
Name
|
Interface type and the number of the connector or interface card. For example, fastethernet 5/1 means Fast Ethernet, slot 5, interface 1.
|
Description
|
Enter a description of the interface to help you remember its function.
|
Admin Status
|
Administrative status of the port/interface.
|
Oper Status
|
Line protocol status of the port (whether or not port is passing packets).
|
Trunk Mode
|
Type of trunk mode assigned to the port.
|
Encapsulation
|
Encapsulation type.
|
Allowed VLANs
|
VLANs allowed on the port.
|
Hardware Type
|
Hardware configuration type.
|
•Details pane—Shows detailed information about a single selected port. When multiple ports are selected, the Details pane will not show any values. See Editing and Restarting Trunk Portsfor descriptions of each field.
Editing and Restarting Trunk Ports
Step 1 Click Switch at the top of the window, click Ports in the left-most pane, and select Trunk Ports from the selector. The Trunk Ports page displays all trunk ports and related trunk port parameters in a table.
Step 2 From the table, select the port you want to edit. To select multiple ports, press the Ctrl key as you select each port you want to edit.
Step 3 Click one of the following buttons available below the table:
•Reset—Shuts down and restarts a port interface. See Restarting Ports/Interfaces for more information.
•Edit—Edits port settings. The Edit Trunk Port or Edit Multiple Ports dialog box appears. For more information on trunk configuration, see the relevant section in the Catalyst 6500 Family IOS Software Configuration Guide.
Edit the appropriate values.
Note Depending on the capabilities of the selected ports, many of the parameters and values described may not be available.
GUI Element
|
Action
|
Name field
|
Name of the selected trunk ports.
This field cannot be edited.
|
Description field
|
Enter a description of the port to help you remember its function.
|
Admin Status list
|
Select the administrative status of the port:
•up
•down
|
Trunk Mode list
|
Select one of the following trunk modes:
•Static—Puts the port into permanent trunking mode and negotiates to convert the link into a trunk link. The LAN port becomes a trunk port even if the neighboring port does not accept the change.
•Dynamic-Auto—Allows the port to convert the link to a trunk link. The port becomes a trunk port if the neighboring port is set to Trunk or Desirable mode.
•Dynamic-Desirable—Makes the port actively attempt to convert the link to a trunk link.
|
Encapsulation list
|
Select one of the following:
•dot1q—Specifies 802.1Q encapsulation on the trunk link.
•isl—Specifies ISL encapsulation on the trunk link. 10-Gigabit Ethernet ports do not support ISL encapsulation.
•negotiate—Specifies that the port will negotiate with the neighboring port to become an ISL (preferred) or 802.1Q trunk, depending on the configuration and capabilities of the neighboring port.
|
DTP Negotiation check box
|
Single Port Edit Mode—Select to enable Dynamic Trunk Protocol (DTP) negotiation or deselect to disable DTP negotiation.
DTP manages trunk autonegotiation on ports. DTP supports autonegotiation of both ISL and 802.1Q trunks.
|
DTP Negotiation list
|
Multiple Port Edit Mode—Select one of the following:
•On—Enables DTP negotiation.
•Off—Disables DTP negotiation.
|
Allowed VLANs field
|
Designate which VLANs are allowed on the trunk. Do one of the following:
•Enter VLAN IDs. You can enter multiple VLANs separated by a comma, or a range of VLANs. For example: 12,17,12 or 2-200. Valid range is 1-4094.
•Click and then select one of the following:
–Select VLAN—Opens the VLAN Selector dialog box and allows you to select available VLANs.
–Create VLAN—Opens the Create VLAN Dialog Box and allows you to create a VLAN.
–Clear VLAN—Clears all VLANs in the field.
|
Prune VLANs field
|
Designate VLANs that are eligible for pruning. Do one of the following:
•Enter VLAN IDs. You can enter multiple VLANs separated by a comma, or a range of VLANs. For example: 12,17,12 or 2-200. Valid range is 2-1001.
•Click and then select one of the following:
–Select VLAN—Opens the VLAN Selector dialog box and allows you to select available VLANs.
–Create VLAN—Opens the Create VLAN Dialog Box and allows you to create a VLAN.
–Clear VLAN—Clears all VLANs in the field.
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Native VLAN field
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Designate native VLANs. Click and then select one of the following:
•Select VLAN—Opens the VLAN Selector dialog box and allows you to select available VLANs.
•Create VLAN—Opens the Create VLAN Dialog Box and allows you to create a VLAN.
•Clear VLAN—Clears all VLANs in the field.
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Speed list
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Select how fast the interface transmits:
•10—Transmits at 10 Mbps.
•100—Transmits at 100 Mbps.
•auto—Enables the autonegotiation capability.
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Duplex list
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Select duplex operation:
•Half—Sends and receives data, but not at the same time.
•Full—Sends and receives data at the same time.
Note If speed is set to auto, both speed and duplex are autonegotiated.
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MTU (bytes) list
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Enter the maximum packet size. Valid values are 1500 or 9216.
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Link Negotiation list
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Multiple Port Edit Mode—Select one of the following:
•Enabled—Enables link negotiation.
•Disabled—Disables link negotiation.
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UDLD list
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Select UDLD mode:
•Enabled—Enables UDLD in normal mode.
•Aggressive—Enables UDLD in aggressive mode. Overrides the setting of the global UDLD.
•Disabled—Disables UDLD.
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Enable CDP check box
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Single Port Edit Mode—Select check box to enable CDP, and deselect to disable CDP.
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CDP list
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Multiple Port Edit Mode—Select one of the following:
•Enabled—Enables CDP.
•Disabled—Disables CDP.
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Flow Control: Send list
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Select one of the following:
•Off—The port does not send flow-control frames to the neighboring port.
•On—The port sends flow-control frames to the neighboring port.
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Flow Control: Receive list
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Select one of the following:
•Off—The port does not use flow control, regardless of whether flow control is requested by the neighboring port.
•On—The port uses flow control dictated by the neighboring port.
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Configuring Routed Ports
A routed port is a physical port that acts like a port on a router. A routed port is not associated with a particular VLAN, and it behaves like a regular router interface. You can configure a routed port with a Layer 3 routing protocol.
You can view all routed ports on the switch. Click Switch at the top of the window, click Ports in the left-most pane, and select Routed Ports from the selector. The Routed Ports page is displayed. This page displays the following:
•Routed Ports table—Shows general information about each routed port.
Column
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Description
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Name
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Interface type and the number of the connector or interface card. For example, fastethernet 5/1 means Fast Ethernet, slot 5, interface 1.
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Description
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Description of the port.
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Admin Status
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Administrative status of the port.
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Oper Status
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Line protocol status of the port (whether or not the port is passing packets).
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IP Address
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IP address of port.
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Mask
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Network mask assigned to the port.
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Hardware Type
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Hardware configuration type.
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Note All columns are sortable.
•Details pane—Shows detailed information about a single selected port. When multiple ports are selected, the Details pane will not show any values. See Editing and Restarting Routed Ports for descriptions of each field.
Editing and Restarting Routed Ports
Step 1 Click Switch at the top of the window, click Ports in the left-most pane, and select Routed Ports from the selector. The Routed Ports page displays all trunk ports and related trunk port parameters in a table.
Step 2 From the table, select the port you want to edit. To select multiple ports, press the Ctrl key as you select each port you want to edit.
Step 3 Click one of the following buttons available below the table:
•Reset—Shuts down and restarts a port interface. See Restarting Ports/Interfaces for more information.
•Edit—Edits port settings. The Edit Routed Port or the Edit Multiple Port dialog box appears. Proceed to the next step.
Edit the appropriate values.
Note Depending on the capabilities of the selected ports, many of the parameters and values described may not be available.
GUI Element
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Action
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Name field
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Name of the selected ports.
This field cannot be edited.
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Description field
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Enter a description of the port to help you remember its function.
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Admin Status list
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Select the administrative status of the port:
•up
•down
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IP Address field
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Single Edit Mode—Enter the IP address of the port.
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Clear IP Address list
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Multiple Edit Mode—Select one of the following:
•no—Leaves previous IP address value on all selected ports.
•yes—Clears previous IP address value on all selected ports.
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Mask field
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Single Edit Mode—Either select the appropriate mask from the list or enter a value.
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Helper IP Addresses field
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Single Edit Mode—Specify a helper IP address for the selected routed port. See Selecting Helper IP Addresses for more information.
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Clear Helper IP Addresses field
|
Multiple Edit Mode—Select one of the following:
•no—Leaves previous IP address values on all selected ports.
•yes—Clears previous IP address values on all selected ports.
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Speed list
|
Select how fast the port transmits:
•10—Transmits at 10 Mbps.
•100—Transmits at 100 Mbps.
•auto—Enables the autonegotiation capability.
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Duplex list
|
Select duplex operation:
•Half—Sends and receives data, but not at the same time.
•Full—Sends and receives data at the same time.
Note If speed is set to auto, both speed and duplex are autonegotiated.
|
MTU (1500-9216 bytes) field
|
Single Edit Mode—Enter the maximum packet size. Valid values are 1500 to 9216.
|
MTU (bytes) field
|
Multiple Edit Mode—Enter the maximum packet size. Valid values are 1500 to 9216.
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Link Negotiation list
|
Multiple Edit Mode—Select one of the following:
•Enabled—Enables link negotiation.
•Disabled—Disables link negotiation.
|
UDLD list
|
Select UDLD mode:
•Enabled—Enables UDLD in normal mode.
•Aggressive—Enables UDLD in aggressive mode. Overrides the setting of the global UDLD.
•Disabled—Disables UDLD.
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Enable CDP check box
|
Single Edit Mode—Select to enable CDP, and deselect to disable CDP.
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CDP list
|
Multiple Port Edit Mode—Select one of the following:
•Enabled—Enables CDP.
•Disabled—Disables CDP.
|
Flow Control: Send list
|
Select one of the following:
•Off—The port does not send flow-control frames to the neighboring port.
•On—The port sends flow-control frames to the neighboring port.
|
Flow Control: Receive list
|
Select one of the following:
•Off—The port does not use flow control, regardless of whether flow control is requested by the neighboring port.
•On—The port uses flow control dictated by the neighboring port.
|
Selecting Helper IP Addresses
From this dialog box, you can assign a helper IP address to an interface or port. A helper IP address converts the DHCP requests from broadcast to unicast directed to the DHCP server.
Step 1 Click 
to open the Helper IP Addresses dialog box.
Step 2 Do one of the following:
–If the IP address you want to select is listed, select it and proceed to Step 3.
–If the IP address you want to select is not listed, click Add to open the Add IP Address window. See Adding an IP Address for more information.
