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ES-3124PWR Ethernet Switch
Getting to Know the ES-3124PWR 1-5
1.2.3 High Performance Switched Workgroup Example
The switch is ideal for connecting two power workgroups that need high bandwidth. In the following example, use
trunking to connect these two power workgroups.
Switching to higher-speed LANs such as FDDI or ATM is not feasible for most people due to the expense of
replacing all existing Ethernet cables and adapter cards, restructuring your network and complex maintenance.
The ES-3124PWR can provide the same bandwidth as FDDI and ATM at much lower cost while still being able to
use existing adapters and switches. Moreover, the current LAN structure can be retained as all ports can freely
communicate with each other.
Figure 1-3 High Performance Switched Workgroup Application
1.2.4 IEEE 802.1Q VLAN Application Examples
This section shows a workgroup and a shared server example using 802.1Q tagged VLANs. For more information
on VLANs, see the Switch Setup and VLAN Setup chapters in this User’s Guide. A VLAN (Virtual Local Area
Network) allows a physical network to be partitioned into multiple logical networks. Stations on a logical network
belong to one group. A station can belong to more than one group. With VLAN, a station cannot directly talk to or
hear from stations that are not in the same group(s) unless such traffic first goes through a router.
Tag-based VLAN Workgroup Example
Ports in the same VLAN group share the same broadcast domain thus increase network performance through
reduced broadcast traffic. VLAN groups can be modified at any time by adding, moving or changing ports without
any re-cabling.