联网
| 支持ISDN连接 |
Y |
| 路由协议 |
RIP-2 |
| 数据链路协议 |
ARP, proxy ARP, BOOTP, LANCAPI, DHCP, DNS, HTTP, HTTPS, IP, ICMP, NTP/SNTP, NetBIOS, PPPoE (server), RADIUS, RIP-1, RIP-2, RTP, SIP, SNMP, TCP, TFTP, UDP, VRRP |
| 管理协议 |
TFTP, HTTP, HTTPS, Telnet/SSL, SSH, SNMP, TACACS+ |
| IP电话协议 |
SIP ALG |
安全
| 防火墙 |
VPN, NAT |
| 认证方法 |
EAP-TLS, EAP-TTLS, PEAP, MS-CHAP, MS-CHAPv2, PAP, CHAP, MS-CHAP, MS-CHAPv2 |
| 虚拟专用网信道数量 |
5 |
| MAC（媒体存储控制）地址过滤 |
Y |
以太网LAN特性
| 布线技术 |
10/100/1000Base-T(X) |
| 以太网LAN接口类型 |
Gigabit Ethernet |
| 以太网的数据传输率 |
10, 100, 1000 Mbit/s |
管理功能
| 通用即插即用（UPnP） |
Y |
| 支持服务质量（QoS） |
Y |
| 重启按钮 |
Y |
协议
| DMZ支持 |
Y |
| 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 |
PPPoE, PPPoA, IPoA, Multi-PPPoE, ML-PPP, PPTP (PAC/PNS), IPoE (w/wo DHCP), RIP-1, RIP-2, VLAN |
无线局域网的特点
| Wi-Fi 频段 |
Dual-band (2.4 GHz / 5 GHz) |
| Wi-Fi标准 |
IEEE 802.11n |
| WLAN的数据传输率（最大值） |
300 Mbit/s |
| 最大室内范围 |
20 m |
| 无线局域网类型 |
IEEE 802.11b, IEEE 802.11g, IEEE 802.11n |
| 最大户外范围 |
250 m |
| 频道/通道 数量 |
2 |
其他功能
| xDSL connection |
Y |
| 带宽（第二） |
5 GHz |
| 带宽（第一） |
2.4 GHz |
| 用户数量 |
25 user(s) |
| 输入电流 |
1.5 A |
| 频段 |
2.4 & 5 GHz |
| USB 端口数量 |
1 |
天线
| 天线类型 |
external |
| 天线接口类型 |
RP-SMA |
| 天线数量 |
2 |
另外
| 以太网连接器 |
Y |
| 包括 AC 适配器 |
Y |
| 以太网路(RJ-45)连接接口数量 |
4 |
LANCOM 1781EW - VPN, WLAN 802.11n, ADSL, 4x1000TX, 1xISDN-Backup, USB
The LANCOM 1781EW provides a balanced and modern hardware platform for reliable operation of enterprise networks around the clock. As a professional business router, the device meets with high standards in the areas of network virtualization, security and VPN networking. At the same time its computing power, storage capacity and the high-speed interfaces ensure excellent network performance even with heavy data traffic. And the integrated 300-Mbps wireless LAN module takes this performance to wireless clients as well.
More security.
For connecting to home offices or setting up multi-national branch networks: VPN specialist LANCOM stands for fast, secure and cost-effective communications. The LANCOM 1781EW is ideal for offices or small businesses that want to set up a secure VPN: The router's VPN gateway supports five simultaneous IPSec channels, with support for 25 channels as an optional extra. Secure wireless LAN with the LANCOM 1781EW is assured by its support of a wide range of security standards such as IEEE 802.1i (WPA2), 802.1X and WEP encryption. Thanks to multi-SSID, the wireless LAN supports multiple networks that are securely separated from one another. Optionally available, the LANCOM Content Filter protects up to 100 users effectively while surfing the World Wide Web. Flexible bandwidth management guarantees the availability of all applications (also in local networks) as these can be prioritized with a comprehensive range of Quality- of-Service features.
More virtualization.
The LANCOM 1781EW helps you to use your IT resources more effectively and to save costs. The device simultaneously supports multiple independent networks. This is made possible by the powerful technology Advanced Routing and Forwarding (ARF). The ARF function on the LANCOM 1781EW provides up to sixteen virtual networks, each with its own settings for DHCP, DNS, routing and firewall. ARF allows multiple separate networks for different groups and applications to be operated on a single physical infrastructure.
More management.
LCMS, the LANCOM Management System, is a free software package for the LANCOM 1781EW. It caters for the configuration of the device, remote maintenance and network monitoring. The central component of LCMS, LANconfig, is used to configure the LANCOM 1781EW and other LANCOM devices on the network. The extensive range of features and the configuration wizards make the router quick to set up. LANmonitor offers detailed, real-time monitoring of parameters, it provides access to log files and statistics, and it can carry out a detailed trace-protocol analysis. Other functions in LCMS include the GUI for firewall setup, automatic backup of configurations and scripts, and the intuitive folder structure with convenient search function.
More reliability for the future.
LANCOM products are designed for a product life of several years and are equipped with hardware dimensioned for the future. Even reaching back to older product generations, updates to the LANCOM Operating System—LCOS—are available several times a year, free of charge and offering major features. LANCOM offers unbeatable safeguarding of your investment.
