User's Manual

Table Of Contents
Users Manual of GS-5220 PoE Series Managed Switch
21
PoE admin-mode control
PoE port power feeding priority
Per PoE port power limitation
PD classification detection
Temperature threshold control
PD alive check
PoE schedule
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 8 ports per trunk group (GS-5220-24P(L)4X(R))
Maximum 26 trunk groups, up to 4 ports per trunk group (GS-5220-48P(L)4X(R))
Maximum 11 trunk groups, up to 6 ports per trunk group (GS-5220-16UP4S2X(R))
Maximum 14 trunk groups, up to 8 ports per trunk group (GS-5220-24UP(L)4X(R))
Provides port mirror (many-to-1)
Port mirroring to monitor the incoming or outgoing traffic on a particular port
Loop protection to avoid broadcast loops
Layer 3 Features
Supports maximum 128 static routes and route summarization
IP dynamic routing protocol supports OSPFv2
Routing interface provides per VLAN routing mode
Quality of Service
Ingress Shaper and Egress Rate Limit per port bandwidth control
8 priority queues on all switch ports
Traffic classification
- IEEE 802.1p CoS
- TOS/DSCP/IP precedence of IPv4/IPv6 packets
- IP TCP/UDP port number
- Typical network application
Strict priority and Weighted Round Robin (WRR) CoS policies