VLANs. LAN Switching and Wireless – Chapter 3 Sandra Coleman, CCNA, CCAI. Objectives. Explain the role of VLANs in a converged network. Explain the role of trunking VLANs in a converged network. Configure VLANs on the switches in a converged network topology.
LAN Switching and Wireless– Chapter 3
Sandra Coleman, CCNA, CCAI
You can have the number between 1 – 1005, but you can only use 255 of them.
1) In the figure, PC1 on VLAN 10 and PC3 on VLAN 30 send broadcast frames to switch S2.
2) Switch S2 tags these frames with the appropriate VLAN ID and then forwards the frames over the trunk to switch S1.
4) Switch S3 receives these frames and strips off the VLAN IDs and forwards them as untagged frames to PC4 on VLAN 10 and PC6 on VLAN 30.
Cisco 2950 Catalyst switch
No cable is connected to the switch.
Connect a crossover to port 1 from the other 2950 switch
Automatically a trunk port is established.
Port 1 is deleted from vlan 1 and become a trunk port.