Levelone GTL-2891

28-Port Stackable L3 Managed Gigabit Switch, 2 x 10GbE SFP+, 1 x 10GbE Module Slot

Product Description :

Dynamic ARP Inspection (DAI) protects switches against ARP spoofing
40Gbps Stacking bandwidth and up to 8 switches in one stack
Support Operations, Administration, and Maintenance (OAM) mechanisms
Ethernet Ring Protection Switching (ERPS) for Ethernet ring topologies with sub-50 ms failover capabilities
IEEE 802.1d/w Spanning Tree Protocol (STP) and port mirroring
IEEE 802.3ad LACP for auto port aggregation
Supports port-based VLAN, IEEE 802.1Q VLAN Tagging
QoS control for traffic prioritization and bandwidth management

Specifications :

Port Configuration
Console RJ45	1
Gigabit RJ45	24
10-Gigabit module slot	1
Power.
Power consumption.	35 W
General.
Model Number.	GTL-2891
Features 1.
Features.	L2 Features Auto-negotiation for port speed and duplex mode Flow Control: ■ IEEE 802.3x for full-duplex mode ■ Back-pressure for half-duplex mode Spanning Tree Protocol: ■ IEEE 802.1D Spanning Tree Protocol (STP) ■ IEEE 802.1w Rapid Spanning Tree Protocol (RSTP) ■ IEEE 802.1s Multiple Spanning Tree Protocol (MSTP) ■ BPDU Guard ■ BPDU filtering ■ Root Guard ■ Loopback detection ■ Spanning Tree Fast Forwarding ■ Auto Edge-Port ■ BPDU Forward Storm Control (broadcast/multicast/unknown unicast) VLANs: ■ Supports 4K IEEE 802.1Q VLANs ■ Port-based ■ GVRP/GARP ■ VLAN Translation ■ IEEE 802.1v Protocol-based VLANs ■ MAC-based VLANs ■ IP subnet-based VLAN ■ Private VLAN (Community) ■ Traffic Segmentation (port isolated) ■ Guest VLAN ■ Voice VLAN ■ VLAN trunking Link Aggregation: ■ Static trunk ■ IEEE 802.3ad Link Aggregation Control Protocol ■ Trunk groups: 16 ■ Trunk links: 2~8 ports for Gigabit Ethernet ports 2~4 ports for 10 Gigabit Ethernet ports ■ Load Balance: SA+DA, SA, DA, SIP+DIP, SIP, DIP IGMP Snooping: ■ IGMP v1/v2/v3 snooping ■ IGMP Filtering ■ IGMP Throttling ■ IGMP Immediate Leave ■ IGMP Querier v1/v2 ■ IGMP SNP Proxy (v1/v2/v3) ■ IGMP Authentication ■ Source Filtering Mode Data Forwarding QoS Features Priority Queues: 8 hardware queues per port Traffic classification ■ IEEE 802.1p CoS ■ DSCP Traffic Scheduling ■ Strict Priority ■ Weighted Round Robin ■ Strict + WRR traffic scheduling ■ GE: Resolution 64 Kbps ~ 1000 Mbps L3 Features IPv4 ■ Static unicast routes ■ Equal cost multipath routing (ECMP) ■ RIP v1/v2 ■ OSPF ■ BGP4+ ■ PIM-DM ■ IGMP v1/v2 ■ IGMP v1/v2 proxy ■ IGMP v3 ■ IGMP v3 proxy ■ PIM-SM ■ VRRP ■ Proxy ARP ■ UDP Helper L3 Features IPv6 ■ PIM-DM6 ■ PIM-SM6 ■ IPv6 static route ■ OSPFv3 ■ MLD v1/v2
Management.	Firmware and Configuration: • Firmware upgrade via TFTP server • Supports dual image • Supports auto configuration provision • Supports auto firmware upgrade • Multiple configuration files • Software download/upgrade via TFTP or HTTP server • Configuration file download/upgrade via TFTP or HTTP server ■ RMON (groups 1, 2, 3 and 9) ■ BOOTP, DHCP client for IP address assignment SNTP, NTP ■ IP clustering ■ Port mirroring ■ VLAN mirror ■ sFlow ■ Event/error log/syslog, remote log, SMTP ■ MIB I/II ■ LLDP (802.1ab) ■ Auto traffic control ■ DHCP: Relay, dynamic provision (via Option 66,67), DHCPINFO, SERVER ■ MAC-based mirror ■ ACL mirror ■ Remote port mirror (RSPAN) ■ DNS client, proxy ■ Link Layer Discovery Protocol (LLDP) ■ LLDP-MED (VoIP related) ■ CLI via console port or Telnet ■ Web management ■ SNMP v1, v2c, v3
Security.	■ Port security ■ IEEE 802.1X port-based and MAC-based ■ authentication IEEE 802.1X EAPOL frames pass-through ■ IEEE 802.1X supplicant support ■ Dynamic VLAN assignment ■ Dynamic QoS assignment ■ MAC authentication, Web authentication ■ Voice VLAN, Guest VLAN ■ Access Control List ■ L2/L3/L4 • L2 ACL filter SA/DA/VLAN • L3 IP SA/DA, subnet based • L4 TCP/UDP port • IPv6 ■ Time-based (time range) DHCP Snooping ■ DHCP Snooping Option 82 IP Source Guard ■ Dynamic ARP Inspection ■ Instruction lock (link detection) ■ RADIUS authentication and accounting ■ TACACS + authentication, authorization, and accounting Management Security • HTTPS and SSL (secured Web) • Denial of Service (DoS) protection • SSH 1.5/V2.0 (secured telnet session) • Management interface access filtering (SNMP, Web, Telnet)
Others new
Approval and Compliance	CB, CE, CSA, FCC, RoHS, UL, VCCI, WEEE
Performance 2.
Switching capacity.	128 Gbps
Physical Specifications new
Color	Black
Dimensions (W x D x H mm)	440 x 315 x 44 mm
Product Net Weight	3700 gram
Miscellaneous.
PoE Supported.	No
Concurrent ports.	Total 28.00
Fanless.	No
Manageable.	Yes
Series.	KILBY series
Grade.	Commercial
System Specifications.
Backplane (Gbps).	128
Data Rate.	10Gbps, 1Gbps
Flash memory size.	128 MB
Packet forwarding rate.	95.23 Mpps
Indicators.	LED indicaters : Port, Uplink, System, Diagnoustic
Jumbo frame (KB).	10
MAC address table.	16 K
Mount.	19″ rack mount
MTBF.	904,213 hr (25°C)
Packet buffer.	1.5 Mbits
Port Configuration.	24x 10/100/1000 Ethernet ports, 2x 1/10GbE SFP+ slots, 1 x 10GbE Module Slot (Optional MDU-0211, 2-Port 10G SFP+ Module )
Power input.	100 to 240 V, 50-60 Hz, 1.5 A
Power supply.	AC power
Power supply included.	Yes
RAM size.	256 MB
Standard.	IEEE 802.1p Quality of Service (QoS) IEEE 802.1x port authentication IEEE 802.3x Ethernet frame start and stop requests and timers used for flow control on full-duplex links IEEE 802.3u CSMA/CD access method and physical layer specifications for 100 BASE-TX Fast Ethernet IEEE 802.3z CSMA/CD access method and physical layer specifications for 1000 BASE Gigabit Ethernet IEEE 802.1q Virtual LAN IEEE 802.1d Spanning Tree Protocol IEEE 802.3ad Link Aggregation Control Protocol (LACP) IEEE 802.1s Rapid Spanning Tree Protocol IEEE 802.1w Multiple Spanning Tree Protocol
Others.
Operating humidity.	10% RH ~ 90% RH
Operating temperature.	0°C ~ 45°C
Storage humidity.	10% RH ~ 90% RH
Storage temperature.	-40°C ~ 70°C
Package Contents.	● GTL-2891 ● Power Cord ● Console Cable ● 19″ Rack Mount Kit ● Rubber Feet ● Quick Installation Guide ● Resource CD (User Manual, QIG)