LevelOne GTL-2891 / Switch / L3 / Managed / 24 x 10/100/1000 + 2 x 10 Gigabit SFP+ (uplink) / rack-mountable | GTL-2891
LevelOne GTL-2891 / Switch / L3 / Managed / 24 x 10/100/1000 + 2 x 10 Gigabit SFP+ (uplink) / rack-mountable | GTL-2891
Description
The LevelOne GTL-2891 is a high-performance Gigabit Ethernet Layer 3 switch featuring 28 ports; with 24 10/100/1000BASE-T ports, 2 10G SFP+ ports, and one 10G dual port expansion slot. The switch is ideal for high-performance server aggregations, such as enterprise data centers, where it can connect high-end or network-attached files servers over fiber ports. It can also be deployed as a backbone upgrade, or to provide Gigabit - to-the-desktop for power users. This switch is packed with features and is a cost-effective solution that bring continuous availability, enhanced security, and advanced QoS to the network edge, while maintaining simplicity of management.
LevelOne GTL-2891 / Switch | GTL-2891
Special Features
- Performance and scalability
- Continuous availability
- Comprehensive QoS
- Enhanced security
- Simple management
Product features
- Performance and scalability
The GTL-2891 includes high-performance Gigabit Ethernet Layer 3 managed switches with 128 Gbps switching capacity. The switches deliver wire-speed switching performance on all Gigabit ports, taking full advantage of existing highperformance PCs by significantly improving the responsiveness of applications and file transfer times. - Continuous availability
The IEEE 802.1w Rapid Spanning Tree Protocol provides a loop-free network and redundant links to the core network with rapid convergence, ensuring a faster recovery from failed links and enhancing overall network stability and reliability. The IEEE 802.1s Multiple Spanning Tree Protocol runs STP per VLAN base, providing Layer 2 load sharing on redundant links for up to 32 instances. - Comprehensive QoS
The GTL-2891 offers advanced QoS for marking, classification, and scheduling to deliver best-in-class performance for data, voice, and video traffic at wire speed. Eight egress queues per port enable differentiated management of up to eight traffic types through the switch. Traffic is prioritized according to 802.1p and DSCP to provide optimal performance for real-time applications. Weighted Round Robin (WRR) and strict priority ensure differential prioritization of packet flows and avoid congestion of ingress and egress queues. - Enhanced security
Port Security limits the total number of devices using a switch port and protects against MAC flooding attacks. IEEE 802.1X port-based or MAC-based access control ensures all users are authorized before being granted access to the network. When a user is authenticated, the VLAN, QoS, and security policy are automatically applied to the port where the user is connected, otherwise the port is grouped in a guest VLAN with limited access. - Simple management
An industry-standard command-line interface (CLI), accessed through the console port or Telnet, provides a familiar user interface and command set for users to manage the switch.
Product Specification
Device Type | Switch - 28 ports - L3 - Managed |
Enclosure Type | Rack-mountable 1U |
Subtype | Gigabit Ethernet |
Ports | 24 x 10/100/1000 + 2 x 10 Gigabit SFP+ (uplink) |
Performance | Switching capacity: 128 Gbps ¦ Forwarding performance: 95.23 Mpps |
Capacity | Trunk groups: 16 |
MAC Address Table Size | 16K entries |
Jumbo Frame Support | 10KB |
Routing Protocol | IGMPv2, IGMP, IGMPv3 |
Remote Management Protocol | SNMP 1, RMON 1, RMON 2, RMON 3, SNMP 3, SNMP 2c, HTTP, CLI |
Features | Auto-negotiation, BOOTP support, auto-uplink (auto MDI/MDI-X), IGMP snooping, stackable, IPv6 support, firmware upgradable, SNTP support, sFlow, Spanning Tree Protocol (STP) support, Per-VLAN Spanning Tree (PVST), PIM-SM snooping, Virtual Route Redundancy Protocol (VRRP) support, DHCP snooping, Access Control List (ACL) support, RADIUS support, SSH support, Cable Diagnostics Function, Equal-Cost Multipath (ECMP), Uni-Directional Link Detection (UDLD), IPv4 support, LLDP support, Management Information Base (MIB), Dynamic VLAN Support (GVRP), loop prevention, Generic Attribute Registration Protocol (GARP), Generic VLAN Registration Protocol (GVRP), SNMP support, DiffServ Code Point (DSCP) support, Ethernet Ring Protection Switching (ERPS), IGMP filtering, IGMP throttling, PIM-DM snooping, IP source guard, ARP inspection, VLAN Trunking Protocol (VTP), Bridge protocol data unit (BPDU), Management Information Base (MIB) II, rate limit, Open Shortest Path First (OSPF), Digital Diagnostics Monitoring (DDM), MAC address authentication, Root Guard, VLAN mirroring |
Compliant Standards | IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.3ah, IEEE 802.1v, IEEE 802.1ag, IEEE 802.1ab (LLDP), ITU-T Y.1731 |
RAM | 512 MB |
Flash Memory | 128 MB |
Status Indicators | Power, RPS (Redundant Power Supply), diagnostic, master, stack |
Interfaces | 24 x 1000Base-T RJ-45 ¦ 2 x SFP+ ¦ 1 x USB ¦ 1 x console RJ-45 |
Expansion Slots | 1 SFP+ |
Power Device | Internal power supply |
Power Provided | 35 Watt |
Voltage Required | AC 120/230 V (50 - 60 Hz) |
Included Accessories | Rubber feet |
Cables Included | 1 x console cable |
Rack Mounting Kit | Included |
Compliant Standards | UL, CB, FCC, RoHS, WEEE |
Width | 44 cm |
Depth | 31.5 cm |
Height | 4.4 cm |
Weight | 3.7 kg |
Min Operating Temperature | 0 °C |
Max Operating Temperature | 45 °C |
Humidity Range Operating | 10 - 90% (non-condensing) |
Min Storage Temperature | -40 °C |
Max Storage Temperature | 70 °C |
Humidity Range Storage | 10 - 90% (non-condensing) |