6 display ip interface brief*down: administratively down(s): spoofingInterface Physical Protocol IP Address DescriptionVlan5 up up 192.168.0.10 Vlan-inte...Vlan10 up up 192.168.1.20 Vlan-inte...Configuring port-based VLANsIntroduction to port-based VLANPort-based VLANs group VLAN members by port. A port forwards traffic for a VLAN only after it isassigned to the VLAN.Port link typeYou can configure the link type of a port as access, trunk, or hybrid. The three link types use differentVLAN tag handling methods.• An access port belongs to only one VLAN and sends traffic untagged. It is typically used to connecta terminal device unable to recognize VLAN tagged-packets or when there is no need todifferentiate VLAN members. As shown in Figure 5, because Device A is connected with commonPCs that cannot recognize VLAN tagged-packets, you need to configure Device A’s ports thatconnect the PCs as access ports.• A trunk port can carry multiple VLANs to receive and send traffic for them. Except traffic of the portVLAN (PVID), traffic sent through a trunk port will be VLAN tagged. Usually, ports connectingnetwork devices are configured as trunk ports. As shown in Figure 5, because Device A and DeviceB need to transmit packets of VLAN 2 and VLAN 3, you need to configure the ports connectingDevice A and Device B as trunk ports, and assign them to VLAN 2 and VLAN 3.• Like a trunk port, a hybrid port can carry multiple VLANs to receive and send traffic for them. Unlikea trunk port, a hybrid port allows traffic of all VLANs to pass through untagged. Usually, hybridports are configured to connect network devices whose support for VLAN tagged-packets you areuncertain about. As shown in Figure 5, Device B connects a small-sized LAN in which some PCsbelong to VLAN 2 while some other PCs belong to VLAN 3. In this case, you need to configureDevice B’s port connecting the LAN as a hybrid port that allows packets of VLAN 2 and VLAN 3to pass through untagged.
