3Com 3c17300 Implementation Guide - Page 69
Using 802.1Q Tagged Connections, attached to Switch 1 and all endstations in VLAN 2 need to connect
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VLAN Configuration Examples 71 2 Add ports to the VLANs Add ports 10, 11 and 12 of the Switch as untagged members to VLAN 2. Using 802.1Q Tagged Connections In a network where the VLANs are distributed amongst more than one Switch, you must use 802.1Q tagged connections so that all VLAN traffic can be passed along the links between the Switches. 802.1Q tagging can only be used if the devices at both ends of a link support IEEE 802.1Q. The example shown in Figure 21 illustrates two Switch units. Each switch has endstations and a server in VLAN 1 and VLAN 2. All endstations in VLAN 1 need to be able to connect to the server in VLAN1 which is attached to Switch 1 and all endstations in VLAN 2 need to connect to the server in VLAN2 which is attached to Switch 2. Figure 21 VLAN configuration example: 802.1Q tagged connections To set up the configuration shown in Figure 21: 1 Configure the VLANs on Switch 1 Define VLAN 2. VLAN 1 is the default VLAN and already exists. 2 Add endstation ports on Switch 1 to the VLANs Place the endstation ports in the appropriate VLANs as untagged members.