Wait until the command prompt reappears before exiting interface configuration mode. You must delete individual subinterfaces to delete a range. Cisco IOS software is packaged in feature sets that support specific platforms.
To get updated information regarding platform support for this feature, access Feature Navigator. Feature Navigator dynamically updates the list of supported platforms as new platform support is added for the feature. Feature Navigator is a web-based tool that enables you to quickly determine which Cisco IOS software images support a specific set of features and which features are supported in a specific Cisco IOS image. To access Feature Navigator, you must have an account on Cisco.
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If the check is successful, account details with a new random password will be e-mailed to you. Qualified users can establish an account on Cisco. To configure a range of VLAN subinterfaces, follow the steps below, beginning in global configuration mode:.
Note The space before the dash is required. For example, the command interface range fastethernet 1 - 5 is valid; the command interface range fastethernet is not valid. Router config-int-range encapsulation dot1Q vlan-id.
The allowed range is from 1 to This section documents modified commands. Use the interface range command in global configuration mode to execute commands on multiple subinterfaces at the same time.
Creates the specified subinterface if not already configured and includes the specified interface in the subinterface range. Subinterfaces specified by the interface range command are grouped into a configurable subinterface group. Subinterfaces specified by the interface range command, which have not been previously created, are created by the interface range command. The no interface range command is not supported. The commands entered under the interface range command are applied to all existing VLANs.
Use the define interface-range command to create and save a range. You can configure extended-range VLANs only in global configuration mode. You use the interface configuration command mode to define the port membership mode and add and remove ports from a VLAN. The results of these commands are written to the running-config file, and you can display the file by entering the show running-config command.
Release By default, the VLAN locking is disabled. To enable VLAN locking, perform this task:. Router show vlan [ id name ] vlan. If the VLAN you are trying to create or modify is being used by a Layer 3 port or a software feature, the switch displays a message and does not modify the VLAN configuration. This example shows how to create an Ethernet VLAN in global configuration mode and verify the configuration:. Router config no vlan internal allocation policy. When you configure the internal VLAN allocation policy, note the following information:.
This example shows how to configure descending as the internal VLAN allocation policy:. Because VLAN translation is disabled by default on all ports in a port group. Enable VLAN translation on ports as needed. To enable VLAN translation on other ports in a port group, perform this task:. Router config-if no switchport vlan mapping enable.
You can map For example, if you map Make sure that you configure the same VLAN mappings on all appropriate network devices. Maps an Download this chapter.
Configuring VLANs. Router config vlan internal allocation policy descending. Product Number. Router config-if switchport vlan mapping Router config-if switchport vlan mapping enable. Router config vlan mapping dot1q isl Table describes the VLAN ranges. For system use only. You cannot see or use these VLANs. Cisco default. You can use this VLAN but you cannot delete it. You cannot delete VLANs Step 1.
Router config vlan port provisioning.
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