High-performance business VPN router with an integrated VDSL/ADSL2+
modem and dual-SIM 4G LTE for secure multi-site networking
The LANCOM 1781VA-4G is a professional, high-performance VPN router for high-speed Internet access with
its integrated VDSL2/ADSL2+ modem and dual-SIM 4G LTE. These versatile connection options make it a
high-performance basis for no-compromise backup scenarios and maximum operational reliability. The extensive
range of IPSec VPN functions offered by the LANCOM 1781VA-4G additionally guarantees that the connection
to the company network is secure. The right choice for secure, reliable and sustainable networking solutions
"Made in Germany".
a
Flexible business VPN routers for high-speed Internet access thanks to VDSL2/ADSL2+ modem
a
Dual-SIM 4G LTE for up to 100 Mbps
a
Secure site connectivity with 5 simultaneous IPSec VPN connections (25 channels optional)
a
Integrated stateful-inspection firewall with intrusion detection and Denial-of-Service protection
a
Network virtualization with up to 16 networks on one device (ARF)
a
Security Made in Germany
a
Maximum future compatibility, reliability, and security
Page 2
DATASHEET
LANCOM 1781VA-4G
Dual-SIM 4G LTE with up to 100 Mbps
Thanks to its twin integrated SIM-card slots, the LANCOM
1781VA-4G enables intelligent mobile backup scenarios, for
example if a provider network goes down or the mobile data
volume is exhausted. All-in-all it is a high-performance basis
for no-compromise backup scenarios and highly available
networks in any industry.
Business VPN router with VDSL2 and ADSL2+ modem
Thanks to the integrated VDSL2/ADSL2+ modem and
VDSL2-Vectoring, the LANCOM 1781VA-4G supports
high-speed VDSL with up to 100 Mbps and offers maximum
versatility for you move from ADSL to VDSL. The smart choice
for the future viability of your network.
Secure site connectivity via VPN
The LANCOM 1781VA-4G offers high levels of security. The
standard equipment of 5 IPSec VPN channels guarantees
strong encryption, secure connections for mobile employees,
and protection of corporate data. The LANCOM VPN option
upgrades the router to support 25 VPN channels. This ensures
that your network is perfectly scalable and can grow on
demand—without additional hardware components.
Stateful inspection firewall
Equipped with a stateful inspection firewall, the LANCOM
1781VA-4G protects the entire network. With features such
as intrusion prevention and Denial-of-Service protection, this
business VPN router provides optimal protection and secures
all of the data on the network.
Advanced Routing & Forwarding
The LANCOM 1781VA-4G provides up to 16 securely isolated
IP contexts, each of which has its own separate routing. This
is an elegant way of operating IP applications with one
central router and keeping the different communication
channels securely separated from one another.
Maximum future-proofing
LANCOM products are based on professional expertise, years
of experience in IT, and high-quality materials. All of our
devices are equipped with hardware that is dimensioned for
the future and, even reaching back to older product
generations, updates to the LANCOM Operating
System—LCOS—are available several times a year, free of
charge. This guarantees a long service life while staying
technically up to date, which represents a true protection of
your investment.
Security Made in Germany
In a market with a strong presence of American and Asian
products, LANCOM offers maximum security "Made in
Germany". The entire LANCOM core product range is
developed and manufactured in Germany, and tested
according to the highest standards of security, data
protection and quality. The company's own "closed-source"
operating system LCOS is developed at the company
headquarters in Germany. Our in-house team of developers
works in a highly secure environment as certified by the BSI
(German Federal Office for Information Security), all of which
is subject to the highest standards of security, encryption,
and quality.
Page 3
DATASHEET
LANCOM 1781VA-4G
LTE modem
LTE, UMTS, HSPA, Edge and GPRS support (mode of transmission automatically or manually adjustable)Supported standards
800/900/1800/2100/2600 MHz (automatically or manually adjustable)LTE-bands
900/2100 MHzUMTS and HSPA bands
850/900/1800/1900 MHzEDGE/GPRS bands
Supported mobile bands (3G/4G)
Layer 2 features
Protocols
Layer 3 features
Firewall
Security
IPv4 services
IPv6 services
IPv6 protocols
WAN protocols
Band 1 (2100 MHz), Band 2 (1900 MHz), Band 3 (1800 MHz), Band 4 (2100 MHz), Band 5 (800 MHz), Band 7 (2600 MHz), Band 8
(900 MHz), Band 12 (700 MHz), Band 13 (700 MHz), Band 20 (800 MHz), Band 25 (1900 MHz), Band 26 (800 Mhz), Band 29 (700
MHz), Band 30 (2300 MHz), Band 41 (2500 MHz)
+24 dBmMaximum transmission power UMTS/HSxPA
Receive diversity on the aux antenna (2G + 3G); MIMO (2x2) for LTE (4G)Diversity support
Mini-SIM (2FF), Micro-SIM (3FF) via adaptor, Nano-SIM (4FF) via adaptorSupported SIM card formats*
SupportedDual-SIM support
SupportedMulti-SIM support
LANCOM Systems recommends the use of a standard SIM (2FF / Mini-SIM)*) Note
4.096 IDs based on IEEE 802.1q, dynamic assignment, Q-in-Q taggingVLAN
Stateful inspection firewall including paket filtering, extended port forwarding, N:N IP address mapping, paket tagging, user-defined
rules and notifications
Traffic shaping, bandwidth reservation, DiffServ/TOS, packetsize control, layer-2-in-layer-3 taggingQuality of Service
Intrusion Prevention, IP spoofing, access control lists, Denial of Service protection, detailed settings for handling reassembly,
session-recovery, PING, stealth mode and AUTH port, URL blocker, password protection, programmable reset button
PAP, CHAP, MS-CHAP, and MS-CHAPv2PPP authentication mechanisms
ARF (Advanced Routing and Forwarding) up to separate processing of 16 contextsRouter virtualization
HTTP and HTTPS server for configuration by web interface, DNS client, DNS server, DNS relay, DNS proxy, dynamic DNS client, DHCP
client, DHCP relay and DHCP server including autodetection, NetBIOS/IP proxy, NTP client, SNTP server, policy-based routing,
Bonjour-Proxy, RADIUS
HTTP and HTTPS server for configuration by web interface, DHCPv6 client, DHCPv6 server, DHCPv6 relay, DNS client, DNS server,
dynamic DNS client, NTP client, SNTP server, Bonjour-Proxy, RADIUS
VDSL, ADSL1, ADSL2 or ADSL2+ additional with external DSL modem at an ETH port, UMTS/LTEWAN operating mode
PPPoE, Multi-PPPoE, ML-PPP, GRE, EoGRE, PPTP (PAC or PNS), L2TPv2 (LAC or LNS), L2TPv3 with Ethernet-Pseudowire and IPoE (using
DHCP or no DHCP), RIP-1, RIP-2, VLAN, IPv6 over PPP (IPv6 and IPv4/IPv6 dual stack session), IP(v6)oE (autokonfiguration, DHCPv6
or static)
6to4, 6in4, 6rd (static and over DHCP), Dual Stack Lite (IPv4-in-IPv6-Tunnel)Tunneling protocols (IPv4/IPv6)
LCOS 10.20
Page 4
DATASHEET
LANCOM 1781VA-4G
Security
Monitoring and blocking of login attempts and port scansIntrusion Prevention
Source IP address check on all interfaces: only IP addresses belonging to the defined IP networks are allowedIP spoofing
Filtering of IP or MAC addresses and preset protocols for configuration access and LANCAPIAccess control lists
Protection from fragmentation errors and SYN floodingDenial of Service protection
Detailed settings for handling reassembly, PING, stealth mode and AUTH portGeneral
Filtering of unwanted URLs based on DNS hitlists and wildcard filters. Extended functionality with Content Filter OptionURL blocker
Password-protected configuration access can be set for each interfacePassword protection
Alerts via e-mail, SNMP traps and SYSLOGAlerts
PAP, CHAP, MS-CHAP and MS-CHAPv2 as PPP authentication mechanismAuthentication mechanisms
Anti-theft ISDN site verification over B or D channel (self-initiated call back and blocking)Anti-theft
Network protection via site verification by GPS positioning, device stops operating if its location is changesGPS anti-theft
Adjustable reset button for 'ignore', 'boot-only' and 'reset-or-boot'Adjustable reset button
High availability / redundancy
VRRP (Virtual Router Redundancy Protocol) for backup in case of failure of a device or remote station.VRRP
For completely safe software upgrades thanks to two stored firmware versions, incl. test mode for firmware updatesFirmSafe
LTE-Backup
Load balancing
VPN redundancy
VPN
IPSec over HTTPS
Number of VPN tunnels
Certificates
In case of failure of the main connection, a backup connection is established over the internal LTE modem; automatic return to the
main connection
In case of failure of the main connection, a backup connection is established over ISDN. Automatic return to the main connectionISDN backup
Optional operation of an analog or GSM modem at the serial interfaceAnalog/GSM modem backup
Static and dynamic load balancing over up to 4 WAN connections (incl. client binding). Channel bundling with Multilink PPP (if supported
by network operator)
Backup of VPN connections across different hierarchy levels, e.g. in case of failure of a central VPN concentrator and re-routing to
multiple distributed remote sites. Any number of VPN remote sites can be defined (the tunnel limit applies only to active connections).
Up to 32 alternative remote stations, each with its own routing tag, can be defined per VPN connection. Automatic selection may be
sequential, or dependant on the last connection, or random (VPN load balancing)
Line monitoring with LCP echo monitoring, dead-peer detection and up to 4 addresses for end-to-end monitoring with ICMP pollingLine monitoring
Enables IPsec VPN based on TCP (at port 443 like HTTPS) which can go through firewalls in networks where e. g. port 500 for IKE is
blocked. Suitable for client-to-site connections and site-to-site connections. IPSec over HTTPS is based on the NCP VPN Path Finder
technology
Max. number of concurrent active IPSec, PPTP (MPPE) and L2TPv2 tunnels: 5 (25 with VPN 25 Option). Unlimited configurable
connections. Configuration of all remote sites via one configuration entry when using the RAS user template or Proadaptive VPN.
Integrated hardware accelerator for 3DES/AES encryption and decryptionHardware accelerator
Integrated, buffered realtime clock to save the date and time during power failure. Assures timely validation of certificates in any caseRealtime clock
Generates real random numbers in hardware, e. g. for improved key generation for certificates immediately after switching-onRandom number generator
One click function in LANconfig to create VPN client connections, incl. automatic profile creation for the LANCOM Advanced VPN Client1-Click-VPN Client assistant
Creation of VPN connections between LANCOM routers via drag and drop in LANconfig1-Click-VPN Site-to-Site
IPSec key exchange with Preshared Key or certificate (RSA signature, digital signature)IKE, IKEv2
Convenient generation of digital X.509 certificates via an own certifaction authority (SCEP-CA) on the webpage or via SCEP.Smart Certificate*
X.509 digital multi-level certificate support, compatible with Microsoft Server / Enterprise Server and OpenSSL. Secure Key Storage
protects a private key (PKCS#12) from theft.
Automatic creation, rollout and renewal of certificates via SCEP (Simple Certificate Enrollment Protocol) per certificate hierarchyCertificate rollout
CRL retrieval via HTTP per certificate hierarchyCertificate revocation lists (CRL)
Check X.509 certifications by using OCSP (Online Certificate Status Protocol) in real time as an alternative to CRLsOCSP Client
LCOS 10.20
Page 5
DATASHEET
LANCOM 1781VA-4G
VPN
Offers validity information for certificates created with Smart Certificate via OCSPOCSP Server/Responder*
XAUTH
Proadaptive VPN
Algorithms
Hardware NAT
IPCOMP
LANCOM Dynamic VPN
Dynamic DNS
Specific DNS forwarding
Radius
VPN throughput (max., AES)
Firewall throughput (max.)
Hardware firewall throughput (max.)
VoIP
SIP ALG
Interfaces
WAN: VDSL / ADSL2+
Ethernet ports
XAUTH client for registering LANCOM routers and access points at XAUTH servers incl. IKE-config mode. XAUTH server enables clients
to register via XAUTH at LANCOM routers. Connection of the XAUTH server to RADIUS servers provides the central authentication of
VPN-access with user name and password. Authentication of VPN-client access via XAUTH and RADIUS connection additionally by
OTP token
Configuration of all VPN client connections in IKE ConfigMode via a single configuration entryRAS user template
Automated configuration and dynamic creation of all necessary VPN and routing entries based on a default entry for site-to-site
connections. Propagation of dynamically learned routes via RIPv2 if required
3DES (168 bit), AES-CBC and -GCM (128, 192 or 256 bit), Blowfish (128 bit), RSA (1024-4096 bit) and CAST (128 bit). OpenSSL
implementation with FIPS-140 certified algorithms. MD-5, SHA-1, SHA-256, SHA-384 or SHA-512 hashes
Wirespeed NAT performance through hardware support (offloading) for plain IP connections (incl. DHCP) where source and destination
addresses are not withn the same /20 network.
NAT-Traversal (NAT-T) support for VPN over routes without VPN passthroughNAT-Traversal
VPN data compression based on Deflate compression for higher IPSec throughput on low-bandwidth connections (must be supported
by remote endpoint)
Enables VPN connections from or to dynamic IP addresses. The IP address is communicated via ISDN B- or D-channel or with the ICMP
or UDP protocol in encrypted form. Dynamic dial-in for remote sites via connection template
Enables the registration of IP addresses with a Dynamic DNS provider in the case that fixed IP addresses are not used for the VPN
connection
DNS forwarding according to DNS domain, e.g. internal names are translated by proprietary DNS servers in the VPN. External names
are translated by Internet DNS servers
Connecting private IPv4 networksIPv4 VPN
Use of IPv4 VPN over IPv6 WAN connectionsIPv4 VPN over IPv6 WAN
Connecting private IPv6 networksIPv6 VPN
Use of IPv6 VPN over IPv4 WAN connectionsIPv6 VPN over IPv4 WAN
RADIUS authorization and accounting, outsourcing of VPN configurations in external RADIUS server in IKEv2, RADIUS CoA (Change
of Authorization)
Only with VPN 25 option*)
330 Mbps1418-byte frame size UDP
800 Mbps1518-byte frame size UDP
930 MbpsHW-NAT TCP
The SIP ALG (Application Layer Gateway) acts as a proxy for SIP communication. For SIP calls the ALG opens the necessary ports for
the corresponding media packets. Automatic address translation (STUN is no longer needed).
VDSL2 compliant with ITU G.993.2, profiles 8a, 8b, 8c, 8d, 12a, 12b, 17a
a
VDSL2 vectoring compliant with ITU G.993.5
a
ADSL2+ over ISDN as per ITU G.992.5 Annex B/J with DPBO, ITU G.992.3/5 and ITU G.992.1 (EU, over ISDN)
a
ADSL2+ over POTS as per ITU G.992.5 Annex A/M with DPBO, ITU G.992.3 and ITU.G.992.1 (POTS)
a
Supports one virtual ATM circuit (VPI, VCI pair) at a time
a
10/100/1000 Mbps Gigabit EthernetWAN: Ethernet
4 individual 10/100/1000 Mbps Ethernet ports; up to 3 ports can be operated as additional WAN ports with load balancing. Ethernet
ports can be electrically disabled within LCOS configuration. The ports support energy saving according to IEEE 802.3az
LCOS 10.20
Page 6
DATASHEET
LANCOM 1781VA-4G
Interfaces
Port configuration
USB 2.0 host port
Serial interface
Management and monitoring
Management functions
Monitoring functions
Monitoring statistics
LANCAPI
Hardware
Declarations of conformity*
Scope of delivery
Each Ethernet port can be freely configured (LAN, DMZ, WAN, monitor port, off). LAN ports can be operated as a switch or separately.
Additionally, external DSL modems or termination routers can be operated as a WAN port with load balancing and policy-based routing.
DMZ ports can be operated with their own IP address range without NAT
USB 2.0 hi-speed host port for connecting USB printers (USB print server), serial devices (COM port server), USB data storage (FAT file
system); bi-directional data exchange is possible
ISDN BRI port (S0 bus)ISDN
Serial configuration interface / COM port (8 pin Mini-DIN): 9,600 - 115,000 baud, suitable for optional connection of analog/GPRS
modems. Supports internal COM port server and allows for transparent asynchronous transmission of serial data via TCP
Two SMA antenna connectors for external LTE antennas (Ant 1, Ant 2)External antenna connectors
Alternative boot configuration, voluntary automatic updates for LCMS and LCOS, individual access and function rights up to 16
administrators, RADIUS and RADSEC user management, remote access (WAN or (W)LAN, access rights (read/write) adjustable seperately),
SSL, SSH, HTTPS, Telnet, TFTP, SNMP, HTTP, access rights via TACACS+, scripting, timed control of all parameters and actions through
cron job
Two stored firmware versions, incl. test mode for firmware updatesFirmSafe
configurable automatic checking and installation of firmware updatesautomatic firmware update
Device SYSLOG, SNMPv1,v2c,v3 incl. SNMP-TRAPS, extensive LOG and TRACE options, PING and TRACEROUTE for checking connections,
internal logging buffer for firewall events
Extensive Ethernet, IP and DNS statistics; SYSLOG error counter, accounting information exportable via LANmonitor and SYSLOG, Layer
7 Application Detection including application-centric tracking of traffic volume
Available for all LANCOM routers with integrated ISDN interface. LANCAPI provides CAPI 2.0 features for Microsoft Windows to utilize
ISDN channels over the IP network
Softmodem for Microsoft Windows that makes use of LANCAPI to send and receive faxes via ISDNCAPI Faxmodem
iPerf is a tool for measurements of the bandwidth on IP networks (integrated client and server)iPerf
Performance monitoring of connectionsSLA-Monitor (ICMP)
SD-LAN – automatic LAN configuration via the LANCOM Management CloudSD-LAN
SD-WAN – automatic WAN configuration via the LANCOM Management CloudSD-WAN
Not for use with All-IP connection*) Note
12 V DC, external power adapter (230 V) with bayonet cap to protect against accidentally unpluggingPower supply
Temperature range 0–35° C; humidity 0–95%; non-condensingEnvironment
Robust synthetic housing, rear connectors, ready for wall mounting, Kensington lock; 210 x 45 x 140 mm (W x H x D)Housing
1 silent fanFans
18 wattPower consumption (max)
EN 60950-1, EN 55022, EN 55024CE
IPv6 Ready GoldIPv6
Made in GermanyCountry of Origin
You will find all declarations of conformity in the products section of our website at www.lancom-systems.com*) Note
Data medium with firmware, management software (LANconfig, LANmonitor, LANCAPI) and documentationCD/DVD
LCOS 10.20
Page 7
DATASHEET
LANCOM 1781VA-4G
Scope of delivery
1 Ethernet cable, 3 mCable
ISDN cable, 3mCable
1 DSL cable for an IP-based line incl. galvanic signature, 4.25m (over ISDN) or DSL cable, 3 m (over POTS)Cable
Two 2 dBi Edge/UMTS/LTE-antennasAntennas
Power supply unit
Support
Options
LANCOM Public Spot
LANCOM All-IP Option
Fax Gateway
LANCOM Public Spot PMS Accounting Plus
LANCOM VoIP +10 Option
LANCOM Management Cloud
LANCOM LMC-B-1Y LMC License
LANCOM LMC-B-3Y LMC License
LANCOM LMC-B-5Y LMC License
Accessories
External power adapter (230 V), NEST 12 V/1.5 A DC/S, coaxial power connector 2.1/5.5 mm bayonet, temperature range from -5 to
+45° C, LANCOM item no. 111301 (EU)/LANCOM item no 110829 (UK)
3 years supportWarranty
Regular free updates (LCOS operating system and LANtools) via InternetSoftware updates
LANCOM Content Filter +10 user (additive up to 100), 1 year subscription, item no. 61590LANCOM Content Filter
LANCOM Content Filter +25 user (additive up to 100), 1 year subscription, item no. 61591LANCOM Content Filter
LANCOM Content Filter +100 user (additive up to 100), 1 year subscription, item no. 61592LANCOM Content Filter
LANCOM Content Filter +10 user (additive up to 100), 3 year subscription, item no. 61593LANCOM Content Filter
LANCOM Content Filter +25 user (additive up to 100), 3 year subscription, item no. 61594LANCOM Content Filter
LANCOM Content Filter +100 user (additive up to 100), 3 year subscription, item no. 61595LANCOM Content Filter
Option to extend the manufacturer´s warranty from 3 to 5 years, item no. 10710LANCOM Warranty Basic Option S
Option to extend the manufacturer´s warranty from 3 to 5 years and replacement of a defective device, item no. 10715LANCOM Warranty Advanced Option S
Hotspot option for LANCOM access points, LANCOM 17xx and LANCOM 19xx series for user authentication (17xx up to 64 / 19xx up
to 256), versatile access (via voucher, e-mail, SMS), including a comfortable setup wizard, secure separation of guest access and internal
network, item no. 60642
Upgrade option for the operation of the LANCOM routers with All-IP connections, support of PBX systems and telephony devices as
well as voice & fax services, incl. Voice Call Manager, All-IP (TAE/RJ45) and cross-over adapters (TE/NT), item no. 61422
LANCOM Fax Gateway Option activates 'hardfax' within the router. Supports 2 parallel fax channels with LANCAPI ('fax group 3'
without use of CAPI Faxmodem), item no. 61425
Extension of the LANCOM Public Spot (XL) Option for the connection to hotel billing systems with FIAS interface (such as Micros Fidelio)
for authentication and billing of guest accesses for 178x/19xx routers, WLCs, and current central-site gateways, item no. 61638
LANCOM WLC Basic Option for Routers for up to 6 managed LANCOM access points or WLAN routers, item no. 61639LANCOM WLC Basic Option for Routers
LANCOM WLC AP Upgrade +6 Option, enables your WLC to manage 6 Access Points/WLAN router in addition, item no. 61629LANCOM WLC AP Upgrade +6
Upgrade for LANCOM VoIP router with 10 additional internal VoIP numbers (additionally up to 40) and 10 external SIP lines (additionally
up to 55) item no. 61423
LANCOM LMC-B-1Y License (1 Year), enables the management of one category B device for one year via the LANCOM Management
Cloud, item no. 50103
LANCOM LMC-B-3Y License (3 Years), enables the management of one category B device for three years via the LANCOM Management
Cloud, item no. 50104
LANCOM LMC-B-5Y License (5 Years), enables the management of one category B device for five years via the LANCOM Management
Cloud, item no. 50105
AirLancer Extender I-360-4G, +2.5 dBi 4G/3G/2G antenna, 698-960 and 1710-2700 MHz, omnidirectional MIMO indoor antenna, item
no. 60918
19" rack mount adaptor, item no. 6150119" Rack Mount
For simple, theft-proof mounting of LANCOM devices with plastic housings, item no. 61349LANCOM Wall Mount
For simple, theft-proof mounting of LANCOM devices with plastic housings, item no. 61345LANCOM Wall Mount (White)
For the connection of V.24 modems with AT command set and serial interface for the connection to the LANCOM COM interface, incl.
serial cable and connection plug, item no. 61500
LANCOM Advanced VPN Client for Windows 7, Windows 8, Windows 8.1, Windows 10, single license, item no. 61600VPN Client Software
LANCOM Advanced VPN Client for Windows 7, Windows 8, Windows 8.1, Windows 10, 10 licenses, item no. 61601VPN Client Software
LANCOM Advanced VPN Client for Windows 7, Windows 8, Windows 8.1, Windows 10, 25 licenses, item no. 61602VPN Client Software
LANCOM Advanced VPN Client for Mac OS X (10.5 Intel only, 10.6 or higher), single license, item no. 61606VPN Client Software
LANCOM Advanced VPN Client for Mac OS X (10.5 Intel only, 10.6 or higher), 10 licenses, item no. 61607VPN Client Software
62066LANCOM 1781VA-4G (All-IP, EU, over ISDN)
62042LANCOM 1781VA-4G (EU, over ISDN)
62043LANCOM 1781VA-4G (UK, over POTS)
62048LANCOM 1781VA-4G (EU, over POTS)
LCOS 10.20
www.lancom-systems.com
LANCOM Systems GmbH I Adenauerstr. 20/B2 I 52146 Wuerselen I Germany I E-mail info@lancom.de
LANCOM, LANCOM Systems and LCOS are registered trademarks. All other names or descriptions used may be trademarks or registered trademarks of their owners. Subject to change without notice. No liability for
technical errors and/or omissions. 10/18
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