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Chapter 2: VLAN Operation
2.3
CONFIGURATION PROCESS
A VLAN requires a series of configuration steps in order to begin
operating. DIGITAL's VLAN aware MultiSwitch 700s default to operate
in the 802.1Q VLAN mode. However, further configuration is necessary
to establish multiple logical networks.
The actual steps involved in VLAN configuration using Local
NOTE
Management are presented in Chapter 3, VLAN
Configuration.This brief section describes the actions that
must be taken in very general terms, and is intended only to aid
in the Administrator's understanding of VLAN switch operation.
2.3.1
Defining a VLAN
A VLAN must exist and have a unique identity before any ports or rules
can be assigned to it. The Administrator defines a VLAN by assigning it a
unique identification number (the VLAN ID), a filter database
association, and an optional name. The VLAN ID is the number that will
identify data frames originating from, and intended for, the ports that will
belong to this new VLAN.
2.3.2
Assigning Ports to a VLAN
Now that a VLAN has been created, individual ports are given
membership in the VLAN. This is accomplished through management by
associating a VLAN ID with each port on the switch. This combination of
the switch port's identification and the VLAN ID becomes the Port VLAN
ID (PVID).
At the same time, the Administrator configures any needed trunk ports to
consider themselves members of every VLAN. The configuration of trunk
ports is very important in multiswitch VLAN configurations where a
frame's VLAN membership needs to be maintained across several
switches.
2-2
802.1Q VLAN User's Guide
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