24-port 10/100Base-TXFast Ethernet RJ-45 copper, auto MDI / MDIX
4-port 10/100/1000Base-TGigabit Ethernet RJ-45 copper, auto MDI / MDIX
2 Combo 100/1000Base-Xmini-GBIC/SFP slots (Share with Port 27/28)
Reset button for system factory default
Layer 2 Features
Prevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control (full-duplex)
High-performance Store and Forward architecture, and runt/CRC filtering eliminates erroneous packets to optimize the network bandwidth
SupportsVLAN
- IEEE 802.1Q tagged VLAN, up to 512VLAN groups, out of 4094 VLAN IDs- Management VLAN
SupportsSpanning Tree Protocol
- STP (Spanning Tree Protocol)- RSTP (Rapid Spanning Tree Protocol)- MSTP (Multiple Spanning Tree Protocol)- Loop Guard, Root Guard, TC, BPDU Guard, STP BPDU Guard, BPDU Filtering
SupportsLink Aggregation
- IEEE 802.3ad Link Aggregation Control Protocol (LACP)- Cisco ether-channel (Static Trunk)- Maximum 6 trunk groups, up to 4 ports per trunk group
Provides port mirror (many-to-1)
Quality of Service
Ingress / Egress Rate Limit per port bandwidth control
Storm Control support
- Broadcast / Unknown Unicast / Unknown Multicast
Traffic classification
- IEEE 802.1p CoS- DSCP / ToS priority
Strict priority, Weighted Round Robin (WRR) and Equal CoS policies
Voice VLAN
Multicast
IGMP Snooping v1, v2 and v3
Multicast IP Table / Static Multicast IP
Multicast Filter
Security
L2 / L3 / L4 Access Control List
MAC Security
Static MACMAC Filtering
Port Security for Source MAC address entries filtering
Port Isolation, loopback detection
DHCP Filtering
Management
Switch Management Interface
- Web switch management- Telnet command line interface- SNMP v1, v2c and v3- SSL v2, v3 / SSH v1,v2 secure access- IP / MAC / Port-based Web access control
Static, DHCP and BooTP for IP address assignment
System Maintenance
- Firmware upgrade via HTTP- Configuration upload / download through HTTP- Hardware reset button for system reset to factory default- System CPU / Memory status monitor
System Time Setting
- Manual setting- Network time protocol- PC clock synchronization
Daylight saving time setting
SNMP trap for interface linkup and linkdown notification
System local log / remote log / backup log
Four RMON groups (history, statistics, alarms and events)
