Cost-Optimized Managed Switch for Small and Medium BusinessesPLANET GS-421 -16T2S is an ideal Gigabit Switch which provides cost-effective advantage to local area network and is widely accepted in the SMB office network. It offers intelligent Layer 2 data packet switching and management functionsfriendly web user interface and stable operation. Besides the hot IPv6 / IPv4 management and abundant L2 / L4 switching functions the GS-421 -16T2S comes with fanless feature and green technology to provide a quiet energy-saving high-speed and reliable office network environment. The GS-421 -16T2S is equipped with 16 1 /1 /1 BASE-T Gigabit Ethernet ports and 2 additional 1 /1 BASE-X SFP interfaces with inner power system. It offers a rack-mountable affordable safe and reliable Gigabit network switch solution for SMBs deploying networks or requiring enhanced data security and network traffic management.Robust Layer 2 FeaturesThe GS-421 -16T2S can be programmed for advanced switch management functions such as dynamic port link aggregation 8 2.1Q VLAN and Q-in-Q VLAN Multiple Spanning Tree protocol (MSTP) Loop and BPDU Guard IGMP Snooping and MLD Snooping. Via the link aggregation the GS-421 -16T2S allows the operation of a high-speed trunk to combine with multiple ports such as a 16Gbps fat pipe and supports fail-over as well. Also the Link Layer Discovery Protocol (LLDP) is the Layer 2 protocol included to help discover basic information about neighboring devices on the local broadcast domain.
Planet 16-Port 10/100/1000Base-T + 2-Port 100/1000MBPS SFP L2/L4 SNMP Manageable Gigabit Switch
Physical Port 16-port 10/100/1000BASE-T Gigabit RJ45 copper 2 100/1000BASE-X mini-GBIC/SFP slots RJ45 console interface for switch basic management and setup Reset button for system factory defaultSwitching Hardware based 10/100Mbps half/full duplex and 1000Mbps full duplex mode flow control and auto-negotiation and auto MDI/MDI-X Features Store-and-Forward mode with wire-speed filtering and forwarding rates IEEE 802.3x flow control for full duplex operation and back pressure for half duplex operation 9K jumbo frame Automatic address learning and address agingSupports CSMA/CD protocolLayer 2 Features Supports VLAN- IEEE 802.1Q tagged VLAN- Provider Bridging (VLAN Q-in-Q) support (IEEE 802.1ad)- Protocol VLAN- Voice VLAN- Private VLAN (Protected port)- Management VLAN- GVRP Supports Spanning Tree Protocol- STP (Spanning Tree Protocol)- RSTP (Rapid Spanning Tree Protocol)- MSTP (Multiple Spanning Tree Protocol)- STP BPDU Guard BPDU Filtering and BPDU Forwarding Supports Link Aggregation- IEEE 802.3ad Link Aggregation Control Protocol (LACP)- Cisco ether-channel (static trunk)- Maximum 8 trunk groups up to 8 ports per trunk groupProvides port mirror (many-to-1)Loop protection to avoid broadcast loopsQuality of Service Ingress/Egress Rate Limit per port bandwidth control Storm Control support- Broadcast/unknown unicast/unknown multicastTraffic classification- IEEE 802.1p CoS- TOS/DSCP/IP precedence of IPv4/IPv6 packetsStrict priority and Weighted Round Robin (WRR) CoS policiesMulticast Supports IPv4 IGMP snooping v2 and v3 Supports IPv6 MLD snooping v1 v2 IGMP querier mode support IGMP snooping port filtering MLD snooping port filteringSecurity Authentication- IEEE 802.1X port-based network access authentication- Built-in RADIUS client to cooperate with the RADIUS servers- DHCP Option 82- RADIUS/TACACS+ login user access authenticationAccess Control List- IPv4/IPv6 IP-based ACL- IPv4/IPv6 IP-based ACE- MAC-based ACL- MAC-based ACE MAC Security- Static MAC- MAC Filtering Port security for source MAC address entries filtering DHCP snooping to filter distrusted DHCP messages Dynamic ARP Inspection discards ARP packets with invalid MAC address to IP address binding IP source guard prevents IP spoofing attacks DoS attack prevention SSH/SSLManagement IPv4 and IPv6 dual stack management Switch management interface- Web switch management- Telnet command line interface- SNMP v1 v2c and v3- SSH and SSL secure access User privilege levels control Built-in Trivial File Transfer Protocol (TFTP) client BOOTP and DHCP for IP address assignment System maintenance- Firmware upload/download via HTTP/TFTP- Configuration upload/download through web interface- Dual images- Hardware reset button for system reboot or reset to factory default SNTP Network Time Protocol Cable diagnostics Link Layer Discovery Protocol (LLDP) and LLDP-MED SNMP trap for interface link up and link down notification Event message logging to remote Syslog server Four RMON groups (history statistics alarms and events) PLANET smart discovery utility
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