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VLAN (Virtual Local Area Network)
A VLAN is a group of end-stations that are not constrained by their physical location and
can communicate as if a common broadcast domain, a LAN. The primary utility of using
VLAN is to reduce latency and need for routers, using faster switching instead. Other
VLAN utility includes:
Security, Security is increased with the reduction of opportunity in eavesdropping on a
broadcast network because data will be switched to only those confidential users within
the VLAN.
Cost Reduction, VLANs can be used to create multiple broadcast domains, thus
eliminating the need of expensive routers.
Port-based (or port-group) VLAN is the common method of implementing a VLAN, and
is the one supplied in the Switch.
Features
48×10/100Mbps Auto-negotiation Fast Ethernet RJ45 ports
2×10/100/1000Mbps Auto-negotiation Gigabit RJ45 ports
2×mini-GBIC ports
All RJ45 ports support auto MDI/MDIX, so there is no need to use cross-over cables
or an up-link port
Full/half duplex transfer mode for 10/100Mbps RJ45 port
Full duplex transfer mode for Gigabit port
Store-and-Forward switching scheme capability to support rate adaptation and ensure
data integrity
Up to 4K unicast addresses entities per device, self-learning, and table aging
1536KBytes packet buffer
Supports IEEE 802.3x flow control for full-duplex mode ports
Supports Back-pressure flow control for half-duplex mode ports
Supports port-base VLAN
Supports port-base QoS
Supports Trunking
Supports Port-setting for Speed/Disable, Flow control
Easy configuration via WEB Browser