8-Port Gigabit Wireless VPN Router D-Link DSR-250N
-       1 cổng 10/100/1000Mbps WAN + 8 cổng 10/100/1000Mbps LAN.
-       Chuẩn kết nối không dây IEEE 802.11 b/g/n.
-       Hỗ trợ cổng kết nối: USB 2.0, RJ45.
-       Ăng ten: 2 ăng ten 2dBi có thể tháo rời.
-       Hỗ trợ bảo mật: Wired Equivalent Privacy (WEP), Wi-Fi Protect Setup (WPS), Wi-Fi Protected Access – Personal (WPA-PSK), Wi-Fi Protected Access – Enterprise (WPA-EAP), Wi-Fi Protected Access version 2 – Personal (WPA-PSK), Wi-Fi Protected Access version 2 – Enterprise (WPA-EAP).
-       Nguồn điện: 100-240 VAC, 50/60Hz.
-       Công suất tiêu thụ: 12.6W.
-       Kích thước: 140 x 203 x 35 mm.
Features
High-Performance VPN
-       Protocols: IPSec, PPTP/L2TP, GRE, SSL.
-       VPN Tunnels: Up to 65 tunnels.
-       DES, 3DES, AES.
Enhanced Network Services
-       IPv6.
-       IEEE 802.1q VLAN.
-       Multiple SSIDs.
-       Port Monitoring/ Bandwidth Control.
-       srTCM, trTCM, & policing.
Wireless Access and Security
-       IEEE 802.11 b/g/n (2.4 GHz).
-       IEEE 802.1x RADIUS Authentication with EAP-TLS, EAP-TLLS, EAP-PEAP.
-       WPS, WEP, WPA-PSK, WPA-EAP, WPA2-PSK, WPA2-EAP.
Đặc tính kỹ thuật
| 
 General 
 | 
| 
 Ethernet Interface 
 | 
 1 x 10/100/1000 Mbps WAN Ports 
 | 
| 
 8 x 10/100/1000 Mbps LAN Ports 
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| 
 Wireless Interface 
 | 
 802.11b/g/n (Single Band) 
 | 
| 
 2 Detachable 2 dBi Omni-Directional Antennas 
 | 
| 
 USB 2.0 Ports 
 | 
 1 
 | 
| 
 Console Port 
 | 
 RJ45 
 | 
| 
 Performance 
 | 
| 
 Firewall Throughput 
 | 
 750 Mbps 
 | 
| 
 VPN Throughput (3DES) 
 | 
 50 Mpps 
 | 
| 
 Concurrent Sessions 
 | 
 20000 
 | 
| 
 New Sessions (per second) 
 | 
 200 
 | 
| 
 Firewall Policies 
 | 
 200 
 | 
| 
 Internet Connection Type 
 | 
 Static/ Dynamic IP 
 | 
| 
 PPPoE/ L2TP/ PPTP 
 | 
| 
 Multiple PPPoE 
 | 
| 
 Firewall System 
 | 
 Static Route 
 | 
| 
 Dynamic DNS 
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| 
 Inter-VLAN Route 
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| 
 NAT, PAT 
 | 
| 
 Web Content Filtering: Static URL, Keywords 
 | 
| 
 Intrusion Prevention System (IPS): Signature Package Included in Firmware 
 | 
| 
 Networking 
 | 
 DHCP Server/ Client 
 | 
| 
 DHCP Relay 
 | 
| 
 IEEE802.1q VLAN 
 | 
| 
 VLAN (Port-Based) 
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| 
 IP Multicast: IGMP Proxy 
 | 
| 
 IPv6 
 | 
| 
 3G Redundancy 
 | 
| 
 Wireless 
 | 
 Multiple Service Set Identifier (SSID) 
 | 
| 
 Service Set Identifier (SSID) to VLAN Mapping 
 | 
| 
 Standards: 802.11b/g/n 
 | 
| 
 Wireless Security 
 | 
 Wired Equivalent Privacy (WEP) 
 | 
| 
 Wi-Fi Protect Setup (WPS) 
 | 
| 
 Wi-Fi Protected Access – Personal (WPA-PSK) 
 | 
| 
 Wi-Fi Protected Access – Enterprise (WPA-EAP) 
 | 
| 
 Wi-Fi Protected Access version 2 – Personal (WPA-PSK) 
 | 
| 
 Wi-Fi Protected Access version 2 – Enterprise (WPA-EAP) 
 | 
| 
 Virtual Private Network (VPN) 
 | 
 VPN Tunnels: 65 
 | 
| 
 IPSec Tunnels: 25 
 | 
| 
 SSL VPN Tunnels: 5 
 | 
| 
 PPTP/L2TP Clients: 25 
 | 
| 
 GRE: 10 
 | 
| 
 Encryption Methods: DES, 3DES, AES, Twofish, Blowfish, CAST-128, NULL 
 | 
| 
 SSL Encryption Methods: RC4-128, 3DES, AES 
 | 
| 
 IPSec/PPTP/L2TP Server 
 | 
| 
 IPSec NAT Traversal 
 | 
| 
 Dead Peer Detection 
 | 
| 
 IP Encapsulating Security Payload (ESP) 
 | 
| 
 IP Authentication Header (AH) 
 | 
| 
 VPN Tunnel Keep Alive 
 | 
| 
 Hub and Spoke 
 | 
| 
 Bandwidth Management 
 | 
 Maximum Bandwidth Control 
 | 
| 
 Priority Bandwidth Control: Port-based QoS, 3 Classes 
 | 
| 
 System Management 
 | 
 Web-based User Interface: HTTP, HTTPS 
 | 
| 
 Command Line 
 | 
| 
 SNMP v1, v2c, v3 
 | 
| 
 Power Supply 
 | 
 External Power Supply Unit 
 | 
| 
 Input: 100-240 VAC, 50/60Hz 
Output: 12VDC, 1.5A 
 | 
| 
 EMI/EMC 
 | 
 FCC Class B, CE Class B, C-Tick, IC 
 | 
| 
 Safety 
 | 
 cUL, LVD (EN60950-1) 
 | 
| 
 MTBF 
 | 
 250,000 hours 
 | 
| 
 Max. Power Consumption 
 | 
 12.6 W 
 | 
| 
 Dimensions 
 | 
 140 x 203 x 35 mm 
 | 
-       Bảo hành: 36 tháng.