| Miscellaneous | |
|---|---|
| Data rate | Gigabit and 10-Gigabit Ethernet |
| PoE Supported | No |
| Concurrent ports | Total 28.00 |
| Fanless | No |
| Manageable | Yes |
| Series | KILBY series |
| Grade | Commercial |
| Others | |
| Approval and Compliance | ● CE Mark (EN55022 Class A) ● EN 61000-3-2/3 ● VCCI Class A ● FCC Part 15 Class A ● CB IEC 60950-1 & EN 60950-1 ● UL/CUL ● UL 60950-1 & CSA 60950-1 ● WEEE ● RoHS |
| 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) |
| Physical Specifications | |
| Dimensions (W x D x H) | 440 x 315 x 44 mm |
| Product weight (kg) | 3.7 |
| System specifications | |
| Backplane (Gbps) | 128 |
| 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 consumption | 35 W |
| 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 |
| 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) |
| Performance 2 | |
| Switching capacity | 128 Gbps |
Level One - GTL-2891, KILBY 28-Port Stackable L3 Managed Gigabit Switch
庫存單位： GTL-2891
HK$10,300.00價格
GTL-2891 是一系列高效能千兆乙太網路第 3 層交換機，具有 28 個連接埠；具有 24 個 10/100/1000BASE-T 連接埠、2 個 10G SFP+ 連接埠和一個 10G 雙埠擴充槽。這些交換器非常適合高效能伺服器聚合，它們可以透過光纖連接埠連接高階或網路附加檔案伺服器。它們還可以作為主幹網路升級進行部署，或為高級用戶提供千兆到桌面服務。這些交換器功能豐富，是一種經濟高效的解決方案，可為網路邊緣帶來持續的可用性、增強的安全性和進階 QoS，同時保持管理的簡單性。
- 支援最多 8 個交換器堆疊
- 動態 ARP 偵測 (DAI) 保護交換器免於 ARP 欺騙
- 支援操作、管理和維護 (OAM) 機制
- 乙太網路迴路保護交換 (ERPS)，適用於乙太網路環路拓撲，具有低於 50 毫秒的故障轉移功能
- IEEE 802.1d/w 生成樹協定 (STP) 和連接埠鏡像
- IEEE 802.3ad LACP 用於自動連接埠聚合
- 支援基於連接埠的 VLAN、IEEE 802.1Q VLAN 標記
- 流量優先權和頻寬管理的 QoS 控制
- 虛擬堆疊支援單一邏輯堆疊中最多 36 台交換機，實現統一管理、監控和配置
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