Layer 2 Managed Switch

SGSW-24240 / SGSW-24240R 24-Port 100/1000 SFP with 8 Shared TP Managed Stackable Switch

Key Features

Physical Port

• 24 100/1000Base-X mini-GBIC / SFP slots
• 8-Port 10/100/1000Base-T RJ-45 copper, shared with port 1 to 8
• 2 HDMI-like 5GbE Stacking interfaces
• RS-232 DB9 console interface for Switch basic management and setup

Stacking

• Hardware stack up to 16 units and 384 Gigabit ports
• Single IP address stack management
• Stacking architecture supports Chain and Ring mode
• Plug and Play connectivity
• Mirror across stack
• Link Aggregation groups spanning multiple switches in a stack
• Hardware learning with MAC table synchronization across stack

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, broadcast storm control 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 4041 VLAN IDs– Provider Bridging (VLAN Q-in-Q) support (IEEE 802.1ad)– Private VLAN Edge (PVE)
• Supports Spanning Tree Protocol
– STP, IEEE 802.1d (Spanning Tree Protocol)– RSTP, IEEE 802.1w (Rapid Spanning Tree Protocol)– MSTP, 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 12 trunk groups, up to 16 ports per trunk group– Up to 32Gbps bandwidth (Duplex Mode)
• Provides Port Mirror (many-to-1)
• Port Mirroring to monitor the incoming or outgoing traffic on a particular port

Quality of Service

• Ingress Shaper and Egress Rate Limit per port bandwidth control
• 4 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
• Supports QoS and In/Out bandwidth control on each port
• Ingress Shaper and Egress Rate Limit per port bandwidth control
• Traffic-policing policies on the switch port
• QoS Control List Wizard makes QoS creation and configuration easier and more quickly
• DSCP remarking
• Voice VLAN

Multicast

• Supports IGMP Snooping v1, v2 and v3
• Querier mode support
• IGMP Snooping port filtering and throttling
• Multicast VLAN Registration (MVR)

Security

• IEEE 802.1x Port-Based network access authentication
• Built-in RADIUS client to co-operate with the RADIUS servers
• TACACS+ login users access authentication
• RADIUS / TACACS+ users access authentication
• IP-Based Access Control List (ACL)
• MAC-Based Access Control List
• Source MAC / IP address binding
• DHCP Snooping to filter un-trusted DHCP messages
• Dynamic ARP Inspection discards ARP packets with invalid MAC address to IP address binding
• IP Source Guard prevents IP spoofing attacks
• Auto DoS rule to defend DoS attack
• IP address access management to prevent unauthorized intruder

Management

• Switch Management Interfaces
– Console / Telnet Command Line Interface– Web switch management– SNMP v1, v2c, and v3 switch management– SSH / SSL secure access
• Four RMON groups (history, statistics, alarms, and events)
• IPv6 IP Address / NTP / DNS management
• Built-in Trivial File Transfer Protocol (TFTP) client
• BOOTP and DHCP for IP address assignment
• Firmware upload/download via HTTP / TFTP
• DHCP Relay and Relay Option 82
• User Privilege levels control
• NTP (Network Time Protocol)
• Link Layer Discovery Protocol (LLDP) Protocol
• Cable Diagnostic technology provides the mechanism to detect and report potential cabling issues
• Reset button for system reboot or reset to factory default
• PLANET Smart Discovery Utility for deploy management
• ICMPv6

Redundant Power System (SGSW-24240R)

• 100~240V AC / -48V DC Dual power redundant
• Active-Active redundant power failure protection
• Backup of catastrophic power failure on one supply