48CHAPTER 4: CONFIGURING THE SWITCH

Setting Up Two VLANs on the Same Switch

Figure 31 illustrates how you can set up a simple VLAN on the Switch using desktop connections.

Figure 31 Desktop VLAN Configuration

If you want to add ports 1, 3, and 26 to VLAN2 (as shown in Figure 31), so that the ports on the default VLAN1 and the ports on VLAN2

cannot communicate with each other, do the following:

1Create a new VLAN and set the VLAN ID to 2. Refer to “Setup” for instructions. VLAN1 is the default VLAN and already exists.

2Set ports 1, 3, and 26 to associate with the Untagged membership in VLAN2.

3Click Apply.

Ports 1, 3, and 26 now belong to VLAN2, and will not communicate with any other ports, unless you add other ports to the VLAN or change the port configuration.

Setting Up VLAN Across Two Switches

This example explains how you can set up a VLAN across two Switches using Tagged ports. This enables ports that are members of the same VLAN (but are on different switches) to communicate, provided that a port on each Switch is set to Tagged, and that these ports are connected.

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3Com 3C16491 manual Setting Up Two VLANs on the Same Switch, Setting Up Vlan Across Two Switches