Billion Electric Co., Ltd. 
8F, No.192, Sec.2, Chung Hsing Road, 
Hsin Tien City, Taipei County, 23146 Taiwan 
www.billion.com 
TEL : +886-2-2914-5665 
FAX : +866-2-2918-6731, +886-2-2918-2895 
Virtual Private Network 
• IPSec VPN: support up to 10 IPSec tunnels 
•
IPSec VPN performance is up to 20 Mbps+ 
•PPTP VPN: support up to 4 PPTP tunnels 
•
PPTP VPN performance is up to 10 Mbps 
•Manual key, Internet Key Exchange (IKE) 
 authentication and Key Management 
•Authentication (MD5 / SHA-1) 
•DES / 3DES encryption 
•AES 128 / 192 / 256 encryption 
•IP Authentication Header (AH) 
•IP Encapsulating Security Payload (ESP) 
•IPSec VPN concentrator 
•Dynamic IPSec VPN support 
•IPSec NAT Traversal (IPSec NAT-T) 
•IPSec DPD (Dead Peer Detection) 
•Supports remote access and office-to-office 
 IPSec connections 
•PPTP server 
•Netbios over VPN 
 
Firewall 
• Stateful Packet Inspection (SPI) and Denial 
 of Service (DoS) prevention 
•Packet filter un-permitted inbound (WAN) / 
 outbound (LAN) Internet access by IP address, 
 port number and packet type 
•E-mail alert and logs of attack 
•Mac address filtering 
 
Quality of Service Control 
• Supports the DiffServ approach 
•Traffic prioritization and bandwidth 
 management based-on IP protocol, 
 port number and address 
•Policy control based on IP address or 
 Mac address 
Content Filtering 
• URL Filter settings prevent user access to 
 certain keyword / domain on the Internet 
•Java Applet / Active X / Web Proxy / Surfing 
 of IP Address / Cookie Blocking 
 
Web-Based Management 
• Easy-to-use web interface 
•Smart VPN setup wizard 
•Firmware upgrade via web interface 
•Local and remote management via HTTP 
 and HTTPS 
 
Network Protocols and Features 
• System log 
•PPPoE, PPTP, Big Pond and DHCP client 
 connection to ISP 
•NAT, static routing and RIP-2 
•Dynamic Domain Name System (DDNS) 
•Virtual server and DMZ 
•DHCP server 
•NTP 
•SMTP client 
•SNMP 
•SIP pass-through 
•
IGMP snooping & IGMP proxy 
•
Port based VLAN bridge mode 
•Multiple NAT (multiple LAN and multiple WAN) 
 
IPTV Application* 
• 
IGMP Snooping 
•
Virtual LAN (VLAN) 
•
Quality of Service (QoS) 
Hardware Specifications 
Physical Interface 
•Ethernet WAN 1 port (10 / 100 Base-T, MDI / MDIX) 
•Ethernet LAN 8 ports (10 / 100 Base-T, MDI / MDIX) 
Physical Specifications 
•
Dimensions: 19" x 6.54" x 1.65" 
 (482mm x 166mm x 42mm) 
Power Requirements 
• Input: 12V DC, 1A 
 
Operating Environment 
• Operating temperature: 0 - 40°C 
•Storage temperature: -20 - 70°C 
•Humidity: 20 - 95% non-condensing 
Features & Specifications 
VPN Tunnel 
VPN Tunnel 
VPN Tunnel 
Internet 
iBusinessSecurityGateway 
iBusinessSecurityG ateway
2
iBusinessSecurityGateway 
1
0
ISP1 
ISP2 
ISP 
ISP 
ADSL/Cable 
ADSL/Cable 
ADSL/Cable 
Modem 
Modem 
Modem 
Modem 
Server 2 Server 1 
Server 
VPN Tunnel 
V.073108
VPN Tunnel 
Installed with 
IPSec VPN 
Client Software 
Copyright © Billion Electric Co., Ltd. All rights reserved. 
Head Office
Branch Office
Branch Office
Mobile Users
BiGuard 30 
BiGuard 10 
BiGuard 2 
*Note: 
1. IPTV application may require subscribing to IPTV services from a Telco/ISP. 
2. Users are strongly recommended to register at www.biguard.com for updated firmware. 
3. Specifications in this datasheet are subject to change without prior notice.