Switch

Router on a stick - Adding VLANs to a cisco router

Networking

Telnet to your cisco router, enable then go into config t. Passwords may be required depending on how it has been configured…

en

config t

Ensure that ip routing has been enabled…

ip routing

To create the VLAN adapter you’ll need to run the following commands to create a “router on a stick”…   Note: the .2 after the interface name creates a virtual adapter on the interface.

interface FastEthernet1/1.2 description “VM Host Network” encapsulation dot1Q 2 ip address 172.25.2.1 255.255.255.0

Cisco - Switch Reference

Networking

Setting up a trunk between switches

Enable Switch to enable mode Configure Terminal Enter global configuration mode

Interface FastEthernet0/1 Entering interface configuration for port 0/1. This is where you pick the port you want to trunk.

Switchport mode trunk Set port to trunking mode.

Switchport trunk encapsulation dot1q Set trunk type to 802.1q. If your switch only supports either ISL or 802.1q, this command does not exist because there is nothing to specify. This command only works when you can choose between the two.