Cabletron Systems 802.1Q Chapter Vlan Configuration, Managing The Switch, Switch Without VLANs

CHAPTER 3

VLAN CONFIGURATION

This chapter describes how to set up the switch for local or remote management, and the VLAN Local Management screens used to create and configure VLANs in a SmartSwitch.

3.1MANAGING THE SWITCH

The switch may be managed locally via a terminal connected to the COM port, or remotely (SNMP or Telnet sessions) from a management station connected to a switch port that is a member of the same VLAN as the switch’s Host Data Port. (By default, this is the default VLAN.) When the switch is configured with VLANs, special precautions must be taken to use remote management.

3.1.1Switch Without VLANs

When the switch is powered up, the switch uses its default settings to switch frames like an 802.1D switch. In this default configuration, all ports are a member of the default VLAN (VLAN 1) including the virtual Host Data Port of the switch, so any port can be used to manage the device as shown in Figure 3-1.

802.1Q Switch

1

2

3

Host

Data

Port

4

5

6

NOTE: All ports, including the virtual Host Data Port, are members of the default VLAN. Therefore, any station shown may be used as the management station.

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Figure 3-1 Switch Management with Only Default VLAN

802.1Q VLAN User’s Guide 3-1