Physical Ports
24 100/1000BASE-X mini-GBIC/SFP ports
Eight 10/100/1000BASE-T RJ45 copper ports, shared with Port-1 to Port-8
4 10GBASE-SR/LR SFP+ ports, compatible with 1000BASE-SX/LX/BX SFP
RJ45 to DB9 console interface for switch basic management and setup
1 USB2.0 interface for configuration and firmware storage
 
Stacking Features
IP Stacking
Connects with stack member via Gigabit TP, SFP and 10G SFP+ interfaces
Single IP address management, supporting up to 24 IP units stacked together
 
Hardware Stacking
Virtualized multiple XGS3-24242 into one logical device
Connects with stack member via assigned 10G SFP+ interfaces
Single IP address stack management, supporting up to 4 hardware units stacked together
Stacking architecture supports redundant ring mode
 
IP Routing Features
IP routing protocol supports RIPv1/v2, RIPng, OSPFv2/v3, BGP4/4+
Routing interface provides per VLAN routing mode 
VRRPv1/v3 protocol for redundant routing deployment 
Supports route redistribution 
Supports hardware-based wire-speed VLAN routing
 
Multicast Routing Features
Supports PIM-DM (Protocol Independent Multicast – Dense Mode) and PIM-SM (Protocol Independent Multicast – Sparse Mode) and PIM-SSM (Protocol Independent Multicast – Source Specific Multicast)
Supports DVMRP (Distance Vector Multicast Routing Protocol)
Supports IGMP v1/v2/v3 and MLD v1/v2
 
Layer 2 Features
Complies with the IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z Gigabit Ethernet standard
Supports auto-negotiation and half-duplex/full-duplex modes for all 10BASE-T, 100BASE-TX and 1000BASE-T ports
Auto-MDI/MDI-X detection on each RJ45 port
Prevents packet loss flow control
IEEE 802.3x pause frame flow control in full-duplex mode
Back pressure flow control in half-duplex mode
High performance Store-and-Forward architecture, broadcast storm control, port loopback detection
16K MAC address table, automatic source address learning and aging
Supports VLAN
IEEE 802.1Q tag-based VLAN
GVRP for dynamic VLAN management
Up to 256 VLANs groups, out of 4041 VLAN IDs
Provider Bridging (VLAN Q-in-Q, IEEE 802.1ad) supported
Private VLAN Edge (PVE) supported
GVRP protocol for Management VLAN
Protocol-based VLAN
MAC-based VLAN
IP subnet VLAN
Supports Link Aggregation
Maximum 128 trunk groups, up to 8 ports per trunk group
IEEE 802.3ad LACP (Link Aggregation Control Protocol)
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 and root guard
Port mirroring to monitor the incoming or outgoing traffic on a particular port (many to many)
Provides port mirror (many-to-1)
 
Quality of Service
8 priority queues on all switch ports
Support for strict priority and WRR (Weighted Round Robin) CoS policies
Traffic classification
IEEE 802.1p CoS/ToS
IPv4/IPv6 DSCP
Port-based WRR
Strict priority and WRR CoS policies
 
Multicast
Supports IPv4 IGMP snooping v1, v2 and v3; IPv6 MLD v1 and v2 snooping
Querier mode support
Supports Multicast VLAN Register (MVR)
 
Security
IEEE 802.1x port-based network access authentication
MAC-based network access authentication 
Built-in RADIUS client to cooperate with the RADIUS servers for IPv4 and IPv6
TACACS+ login users access authentication
IP-based Access Control List (ACL)
MAC-based Access Control List
Supports DHCP snooping
Supports ARP inspection
IP Source Guard prevents IP spoofing attacks
Dynamic ARP Inspection discards ARP packets with invalid MAC address to IP address binding
 
Management
Management IP for IPv4 and IPv6
Switch Management Interface
Console/Telnet Command Line Interface 
Web switch management
SNMP v1, v2c, and v3 switch management
SSH/SSL secure access
BOOTP and DHCP for IP address assignment
Firmware upload/download via TFTP or HTTP Protocol for IPv4 and IPv6
SNTP (Simple Network Time Protocol) for IPv4 and IPv6
User privilege levels control
Syslog server for IPv4 and IPv6
Supports DDM
Four RMON groups 1, 2, 3, 9 (history, statistics, alarms and events)
Supports sFlow
Supports ULDP
Supports ULPP (Uplink Protection Protocol)
Supports ULSM (Uplink State Monitor protocol)
Supports LLDP/LLDP MED
Supports DHCP Option82, Option37/38
Supports ping, trace route function for IPv4 and IPv6