以太网LAN特性
| 布线技术 |
10/100Base-T(X) |
| 以太网的数据传输率 |
10, 100 Mbit/s |
端口 & 界面
| 广域网接口 |
Ethernet (RJ-45) |
| USB 端口数量 |
1 |
| DC-IN插口 |
Y |
协议
| DMZ支持 |
Y |
| 管理协议 |
SNMPv2, MIB |
| 动态主机配置协议客户 |
Y |
| 动态主机配置协议服务器 |
Y |
| 支持网络协议 |
ARP, BOOTP, LANCAPI, DHCP, DNS, HTTP, HTTPS, IP, ICMP, NTP/SNTP, RIP-1, RIP-2, RTP, SIP, SNMP, TCP, TFTP, UDP, VRRP |
安全
| 虚拟专用网信道数量 |
25 |
| MAC（媒体存储控制）地址过滤 |
Y |
管理功能
| 支持服务质量（QoS） |
Y |
| 重启按钮 |
Y |
| 网上管理 |
N |
另外
| 以太网连接器 |
Y |
| 过滤 |
IP |
| 以太网路(RJ-45)连接接口数量 |
4 |
1781A - 4x Fast Ethernet, USB 2.0, 1x COM-port, Black/Silver
LANCOM 1781A
High-performance VPN router with integrated ADSL2+ modem for professional site connectivity
- Fast Internet access and professional networking for smaller companies and branch offices;
- Integrated multimode ADSL2+ modem and energy-efficient Gigabit switch as per IEEE 802.3az;
- VPN site connectivity with 5 simultaneous IPsec VPN channels (25 channels optional);
- Network virtualization with up to 16 virtual networks on one device (ARF);
- Stateful-inspection firewall with intrusion detection/denial-of-service protection;
- High availability with optional 3G backup via USB.
The professional VPN router LANCOM 1781A provides companies with secure Internet access and, thanks to the integrated ADSL2+ modem, it connects directly to a standard DSL line without additional hardware. With its extensive VPN capabilities and Gigabit Ethernet, the device provides secure, high-performance connectivity to branch offices and remote workers, and it supports a high-speed local network. The four ports of the integrated Gigabit Ethernet switch ensure maximum performance and are also energy-efficient as per IEEE 802.3az: If no data is transmitted over an interface, its power consumption shuts down automatically. The LANCOM 1781A supplies everything required of a modern enterprise network, such as comprehensive Quality-of-Service capabilities and an object-oriented firewall.
