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User’s Manual of GS-5220 LCD Series

 Layer 2 Features

■ Prevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control

(full-duplex)

■ High performance of Store-and-Forward architecture and runt/CRC filtering eliminates erroneous

packets to optimize the network bandwidth

■ Storm Control support

− Broadcast/Multicast/Unknown unicast

■ Supports VLAN

− IEEE 802.1Q tagged VLAN

− Up to 255 VLANs groups, out of 4094 VLAN IDs

− Supports provider bridging (VLAN Q-in-Q, IEEE 802.1ad)

− Private VLAN Edge (PVE)

− Protocol-based VLAN

− MAC-based VLAN

− Voice VLAN

■ Supports Spanning Tree Protocol

− IEEE 802.1D Spanning Tree Protocol

− IEEE 802.1w Rapid Spanning Tree Protocol

− IEEE 802.1s Multiple Spanning Tree Protocol, spanning tree by VLAN

− BPDU Guard

■ Supports Link Aggregation

− 802.3ad Link Aggregation Control Protocol (LACP)

− Cisco ether-channel (static trunk)

− Maximum 14 trunk groups, up to 4 ports per trunk group (GS-5220-24(U)P(L)4XV(R))

− Maximum 9 trunk groups, up to 2 ports per trunk group (GS-5220-16(U)P2XV(R))

− Maximum 12 trunk groups, up to 8 ports per trunk group (GS-5220-16T2XV(R)/GS-5220-24T4XV(R))

■ Provides port mirror (many-to-1)

■ Port mirroring to monitor the incoming or outgoing traffic on a particular port

Planet GS-5220-24T4XVR User Manual

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