Sea-Hub Advanced User Manual
Page 3
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INTRODUCTION
The Sea-Hub is a WiFi/3G/USB mobile router that supports routing from an Internet Service Provider (ISP) connection (DSL or cable
modem) to a local network. It is simple to congure and can be up and running in few minutes.
KEY HARDWARE FEATURES
The following table describes the main hardware features of the Sea-Hub.
Description
WAN Port: One 100BASE-TX RJ-45 port for connecting to the Internet.
LAN Port: One 100BASE-TX RJ-45 port for local network connections.
USB Port: One USB slot for a 3G or 3.5G modem and USB Wireless Card
WPS Button: To set up a secure connection to a wireless device.
Reset Button: For resetting the unit and restoring factory defaults.
LEDs: Provides LED indicators for Power, WAN port, LAN port, and WLAN status.
Mounting Options: Can be mounted on any horizontal surface such as a desktop or shelf, or on a wall using two screws.
DESCRIPTION OF CAPABILITIES
- Internet connection through an RJ-45 WAN port.
- Local network connection through one 10/100 Mbps Ethernet port.
- DHCP for dynamic IP conguration.
- Firewall with Stateful Packet Inspection, client privileges, and NAT.
- NAT also enables multi-user Internet access via a single user account, and virtual server functionality (providing protected access
to Internet services such as Web, FTP, e-mail, and Telnet).
- VPN passthrough (IPsec, PPTP, or L2TP).
- User-denable application sensing tunnel supports applications requiring multiple connections.
- Easy setup and management through an easy-to-use web browser interface on any operating system that supports TCP/IP.
- Compatible with all popular Internet applications.
APPLICATIONS Many advanced networking features are provided by the Sea-Hub:
- Wired LAN — The Sea-Hub provides connectivity to wired Ethernet devices, making it easy to create a network in small oces or
homes.
- Internet Access — The Sea-Hub supports Internet access through a WAN connection. Since many DSL providers use PPPoE, PPTP,
or L2TP to establish communications with end users, the Sea-Hub includes built-in clients for these protocols, eliminating the need
to install these services on your computer.
- Shared IP Address — The Sea-Hub provides Internet access for up to 253 users using a single shared IP address account.
- Virtual Server — If you have a xed IP address, you can set the Sea-Hub to act as a virtual host for network address translation.
Remote users access various services at your site using a static IP address. Then, depending on the requested service (or port
number), the Sea-Hub can route the request to the appropriate server (at another internal IP address). This secures your network
from direct attack by hackers, and provides more exible management by allowing you to change internal IP addresses without
aecting outside access to your network.
- DMZ Host Support — Allows a networked computer to be fully exposed to the Internet. This function is used when NAT and rewall security prevent an Internet application from functioning correctly.
- Security — The Sea-Hub supports security features that deny Internet access to specied users, or lter all requests for specic
services. WPA (Wi-Fi Protected Access) and MAC ltering provide security over the wireless network.
- Virtual Private Network (VPN) Passthrough — The Sea-Hub supports the passthrough of three of the most commonly used VPN
protocols – IPsec, PPTP, and L2TP. These protocols allow remote users to establish a secure connection to another network. If your
service provider supports VPNs, then these protocols can be used to create an authenticated and encrypted tunnel for passing
secure data over the Internet (that is, a traditionally shared data network).
IPsec (Internet Protocol Security) — Encrypts and authenticates entire IP packets and encapsulates them into new IP
packets for secure communications between networks.
PPTP (Point-to-Point Tunneling Protocol) — Provides a secure tunnel for remote client access to a PPTP security gateway.
PPTP includes provisions for call origination and ow control required by ISPs.
L2TP (Layer 2 Tunneling Protocol) — Merges the best features of PPTP and the Layer 2 Forwarding (L2F) protocol. Like
PPTP, L2TP requires that the ISP’s routers support the protocol.