Configuring Switch Port Gi1/1 for Router-on-a-Stick Method and Inter-VLAN Routing: Step-by-Step Guide

A network administrator is using the router-on-a-stick method to configure inter-VLAN routing. Switch port Gi1/1 is used to connect to the router. Which command should be entered to prepare this port for the task?

To prepare switch port Gi1/1 for the router-on-a-stick method and configure inter-VLAN routing, you need to perform the following steps:

1. Enter privileged EXEC mode in the switch by typing “enable” and providing the appropriate password.
2. Enter global configuration mode by typing “configure terminal”.
3. Access the interface configuration mode for Gi1/1 by typing “interface GigabitEthernet1/1”.
4. Configure the switch port as a trunk port to allow traffic from multiple VLANs to pass through using the “switchport mode trunk” command. This will enable the port to carry VLAN tagged packets.
5. Optionally, you can also enable the encapsulation protocol for the trunk port. If you’re using IEEE 802.1Q encapsulation, you can use the “switchport trunk encapsulation dot1q” command.
6. Exit the interface configuration mode by typing “exit”.
7. Save the configuration changes by typing “write memory” or “copy running-config startup-config” to ensure the changes persist after a restart.

By following these steps and entering the appropriate commands, you will prepare the switch port Gi1/1 for the router-on-a-stick method and enable inter-VLAN routing.

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