Networking
| Supports ISDN connection |
Y |
Security
| Authentication method |
PAP, CHAP, MS-CHAP, MS-CHAPv2/PPP |
| VPN tunnels quantity |
5 |
| MAC address filtering |
Y |
Protocols
| Switching protocols |
Ethernet |
| Routing protocols |
RIP-1, RIP-2 |
| Digital signal protocol |
EURO-ISDN, ISDN 1TR6, ADSL, ISDN DSS1/ETSI, ADSL o ISDN, ADSL2+ |
| Data link protocols |
Ethernet, Fast Ethernet, PPP |
| Management protocols |
SNMP 2, SNMP, Telnet, HTTP, HTTPS |
| DHCP client |
Y |
| DHCP server |
Y |
| Supported network protocols |
TCP/IP, IPX/SPX, PPTP, UDP/IP, NetBEUI/NetBIOS, NTP, VoIP, ICMP/IP, IP/IPX, IPSec, PPPoE, PPPoA, IPoA |
| Supported protocols |
ITU X.75, HDLC, ITU G.992.5, ITU G.992.1 (G.DMT) An. A |
Other features
| Throughput |
65 Mbps |
| Connectivity LEDs |
Y |
| Maximum data transfer rate |
0.1 Gbit/s |
| Interface |
USB-2.0, Ethernet, Serial |
DSL features
| DSL specification |
ITU G.992.3, ITU G.992.5 Annex B, ITU G.992.5 Annex A |
| xDSL connection type |
ADSL |
Management features
| Quality of Service (QoS) support |
Y |
| Reset button |
Y |
Ports & interfaces
| RJ-11 ports quantity |
1 |
| USB ports quantity |
1 |
| DC-in jack |
Y |
Wireless LAN features
| Channels quantity |
5 channels |
Additionally
| RS-232 port |
1 |
| Ethernet LAN connection |
Y |
| Wireless technologies |
Wired |
| Filtering |
IP, URL |
| Ethernet LAN (RJ-45) ports quantity |
5 |
LANCOM 1721+ VPN ADSL2+
- Integrated ADSL2+ modem
- 5 integrated IPsec VPN channels, upgradeable to 25, integrated hardware acceleration
- Supports VLANs and LANCOM Advanced Routing und Forwarding (ARF)
- Stateful-inspection firewall with intrusion detection/denial-of-service protection
- Multiple interfaces: ISDN, USB-2.0 port, Ethernet, and serial port
- Free management tools
- Useful installation wizards such as 1-Click-VPN
The LANCOM 1721+ VPN is a top model in the LANCOM line of highly integrated VPN networking components designed for secure site connectivity. The LANCOM 1721+VPN already has an ADSL2+ modem on board, so it can be connected directly to the Internet. Five IPsec VPN channels are featured as standard, which can be upgraded to 25 with the VPN Option. To ensure that admins benefit from convenience during configuration, VPNs can be setup within seconds with the help of user-friendly installation wizards such as LANCOM 1-Click-VPN. The free management tool LANmonitor provides a detailed overview of the entire network. Extensive security functions such as the integrated stateful-inspection firewall provide highest levels of security. Diverse connection options such as ISDN, USB 2.0 and the serial interface provide alternatives to IP for accessing the device.
