Using 802.1Q Tagged Connections - 3Com SuperStack 3 3812 Implementation Manual

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HAPTER ETTING
Using 802.1Q Tagged
Connections
U V LAN
P IRTUAL S
Figure 16 VLAN configuration example: Using untagged connections
Endstations
in VLAN 1
Switch
To set up the configuration shown in
1 Configure the VLANs
Define VLAN 2 on the Switch. VLAN 1 is the default VLAN and already
exists.
2 Add ports to the VLANs
Add ports 10, 11 and 12 of the Switch as untagged members to VLAN 2.
You can use the Switch Web Interface to change VLAN configuration.
VLAN configuration can be found at Bridge > VLAN.
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
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.
Server
Server
in VLAN 1 in VLAN 2
Figure 17 illustrates two Switch units. Each Switch
Endstations
in VLAN 2
Figure 16: