Dell N1100-ON, Справочное руководство

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Layer 2 Switching Commands
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The no form of the command sets the allowed or native VLAN membership
back to the defaults.
It is possible to exclude VLANs that have not yet been created from trunk
port membership. For example, it is possible to exclude VLANs learned
dynamically via GVRP from being configured on a trunk port using this
command.
Example
console(config)#interface gigabitethernet 1/0/1
console(config-if-Gi1/0/1)#switchport trunk allowed vlan 1-1024
console(config-if-Gi1/0/1)#switchport trunk allowed vlan except
1,2,3,5,7,11,13
switchport trunk encapsulation dot1q
Use this command for compatibility. This command performs no action.
Syntax
switchport trunk encapsulation dot1q
Default Configuration
Dell EMC Networking switches use dot1q encapsulation on trunk ports by
default.
Command Mode
Interface config mode, Interface range mode (including port-channels)
User Guidelines
This command performs no action. Dell EMC Networking switches always
use dot1q encapsulation on trunk mode ports.
Command History
Introduced in version 6.2.0.1 firmware.
Example
This example demonstrates compatibility.
console(config-if-Gi1/0/1)#switchport trunk encapsulation dot1q