User's Manual

User’s Manual of SGS-5240 Series Managed Switch
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1.4 Product Features
 Physical Ports
 24/48 10/100/1000BASE-T RJ45 copper ports
 24 100/1000BASE-X SFP slots (SGS-5240-20S4C4XR)
 4 10GBASE-SR/LR SFP+ slots, compatible with 1000BASE-SX/LX/BX SFP
 RJ45 to DB9 console interface for switch basic management and setup
 One 10/100BASE-TX Management port
 Stacking Features
 IP Stacking
- Connects with stack member via Gigabit TP, SFP and 10G SFP+ interfaces
- Single IP address management, supporting up to 16 IP units stacked together
 Hardware Stacking
- Virtualized multiple SGS-5240 switch series stacked into one logical device
- Connects with stack member via assigned 10G SFP+ interfaces
- Single IP address stack management, supporting up to 6 hardware units stacked together
- Stacking architecture supports redundant ring mode
 IP Routing Features
 IPv4/IPv6 hardware static routing
 Routing interface provides per VLAN routing mode
 Layer 2 Features
 Supports VLAN
- IEEE 802.1Q tag-based VLAN
- Provider Bridging (VLAN Q-in-Q, IEEE 802.1ad) supported
- GVRP for dynamic VLAN management
- Protocol-based VLAN
- MAC-based VLAN
- IP subnet-based VLAN
- Voice VLAN
 Supports Link Aggregation
- 802.3ad Link Aggregation Control Protocol (LACP)
- Cisco ether-channel (static trunk)
 Supports Spanning Tree Protocol
- STP, IEEE 802.1D (Classic Spanning Tree Protocol)
- RSTP, IEEE 802.1w (Rapid Spanning Tree Protocol)
- MSTP, IEEE 802.1s (Multiple Spanning Tree Protocol, spanning tree by VLAN)
- Supports BPDU & root guard
 Port mirroring to monitor the incoming or outgoing traffic on a particular port (many to one)
 Supports G.8032 ERPS (Ethernet Ring Protection Switching)
 Loop protection to avoid broadcast loops
 Link Layer Discovery Protocol (LLDP)
 Compatible with Cisco uni-directional link detection (UDLD) that monitors a link between two switches and blocks the
ports on both ends of the link if the link fails at any point between the two devices