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Using the BayStack 350 10/100/1000 Series Switch
1-20
309979-A Rev 00
IEEE 802.1Q VLAN Workgroups
BayStack 350 switches support up to 64 VLANs with 802.1Q tagging available
per port. Ports are grouped into broadcast domains by assigning them to the same
VLAN. Frames received in one VLAN can only be forwarded within that VLAN,
and IP Multicast frames and unknown unicast frames are flooded only to ports in
the same VLAN.
Setting up virtual LANs (VLANs) is a way to segment networks to increase
network capacity and performance without changing the physical network
topology (Figure 1-8
). With network segmentation, each switch port connects to a
segment that is a single broadcast domain. When a switch port is configured to be
a member of a VLAN, it is added to a group of ports (workgroup) that belong to
one broadcast domain.
BayStack 350 switches allow you to assign ports to VLANs using the console,
TELNET, or any generic SNMP-based network management software. You can
assign different ports (and therefore the devices attached to these ports) to
different broadcast domains. This feature allows network flexibility because you
can reassign VLANs to accommodate network moves, additions, and changes,
eliminating the need to change physical cabling.
Figure 1-8. Port-Based VLAN Example
BayStack 350-24T
switch
VLAN 1 VLAN 2
BS35009A