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24-port NWay Ethernet Switch User’s Guide
44 Switch Management Concepts
VLAN 1
Port
VIDs =1
VLAN 2
Port
VIDs =2
Port
PVID= 3
V
L
A
N
3
12
3
4
56
7
8910
11 12
Graphics
Workstations
Workstations
Network
Server
In the above example, there are three different VLANs and
each port can transmit packets on one of them according
to their Port VLAN ID (PVID) number. However, a port can
receive packets on all VLANs (VID) that it belongs to. The
assignments are as follows:
Transmit on VLAN
#
Member of VLAN #
Port PVID VID Ports
Port 1 1 1 1,2,3,7
Port 2 1
Port 3 1
Port 7 3 3 1,2,3,7,11,12
Port 11 2 2 11,12,7
Port 12 2
The server attached to Port 7 is shared by VLAN 1 and
VLAN 2 because Port 7 is a member of both VLANs (it is
listed as a member of VID 1 and 2). Since it can receive
packets from both VLANs, all ports can successfully send