Cabletron Systems 802.1Q manual Switch with VLANs, Switch Management with VLANs

Chapter 3: VLAN Configuration

3.1.2Switch with VLANs

If the switch is to be configured for multiple VLANs, it may be desirable to configure a management-only VLAN. This allows a management station connected to the management VLAN to manage all ports on the switch and make management secure by preventing management via ports assigned to other VLANs.

NOTE

The switch’s virtual Host Data Port, like any other port, has configurable VLAN membership. For manageability of the device to be maintained, this port must be a member of the same VLAN as the port to which the management station is connected.

Figure 3-2shows an example of a switch configured with port 1 on the Management VLAN port and the other users belonging to VLANs A, B, and C.

Management

VLAN

VLAN A

VLAN A

802.1Q Switch

1 4

Host

Data

2 Port 5

3		6
	7

VLAN B

VLAN B

VLAN C

Set as an 802.1Q Trunk port.

Figure 3-2 Switch Management with VLANs

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To set up the switch shown in Figure 3-2to establish a management VLAN on port 1, use the process described below:

1.Use the Device VLAN Configuration screen for the following:

a.Define a new VLAN named “Management VLAN” (or other suitable name) and its VLAN ID. In this example, the VLAN ID is set to 2.

3-2 802.1Q VLAN User’s Guide