Page 1: User Manual
VH-4GW 4G LTE Vehicle Gateway with WiFi User Manual...
Page 2 This product requires professional installation. Please do not attempt to install the device without the necessary knowledge in regards to your country's wireless regulations. Functions and features in your product’s firmware might be different due to regulations in your country. AirLive VH-4GW User Manual...
Page 3: Table Of Contents
1.5 Features .................... 2 1.6 Wireless Operation Modes ..............3 1.6.1 WDS Bridge Mode..................... 3 1.6.2 AP Router Mode ......................4 2. Installing the VH-4GW ................5 2.1 Before You Start................. 5 2.2 Package Content ................5 2.3 Knowing your VH-4GW ..............6 2.4 Hardware Installation .................
Page 4 4.4.1 System Related ....................... 158 4.4.2 Scheduling ......................163 4.4.3 Grouping ........................ 164 4.4.4 External Servers ..................... 168 4.4.5 MMI ........................169 5. VH-4GW Specifications ................170 5.1 Features ..................170 5.2 Specifications .................170 6. Wireless Network Glossary ..............173 AirLive VH-4GW User Manual...
Page 5: Introduction
1. Introduction Introduction 1.1 Overview The VH-4GW is a 4G LTE Vehicle Gateway with2.4 G wireless. It can receive 3G/4G LTE signal and provide 802.11 b/g/n WiFi signal. When installed in Vehicle, it can connect the Car Power directly. It is an innovative product for IoT (Internet of Things) application.
Page 6: How To Use This Guide
The tech support FAQ are frequently updated with latest information. In addition, you might find new firmware that either increase software functions or provide bug fixes for VH-4GW. You can reach our on-line support center at the following link: http://www.airlive.com/support/support_2.jsp 1.5 Features...
Page 7: Wireless Operation Modes
Power input range from 9V ~ 36Vdc for vehicle battery 1.6 Wireless Operation Modes The VH-4GW can perform as a multi-function wireless device. Users can easily select which wireless mode they wish the VH-4GW to perform. The VH-4GW can be configured to operate in the following wireless operation modes: 1.6.1 WDS Bridge Mode...
Page 8: Ap Router Mode
In AP Router Mode, the VH-4GW behaves like a wireless router. Both the wireless and the PoE port of VH-4GW becomes the LAN side and 3G/4G act as the WAN . User can manage the VH-4GW through the wireless or PoE port. And if the remote management is opened, user can also get to manage VH-4GW via the WAN side.
Page 9: Installing The Vh-4Gw
VH-4GW.For software configuration, please go to chapter 3 for more details. 2.1 Before You Start It is important to read through this section before you install the VH-4GW  The use of 3G/4G LTE, each country have its own telecom regulation for the frequency.
Page 10: Knowing Your Vh-4Gw
2. Installing the VH-4GW DIN-Rail Bracket 1pcs 2.3 Knowing your VH-4GW Below are descriptions and diagrams of the product: SIM Slot AirLive VH-4GW User Manual...
Page 11 2. Installing the VH-4GW 3G Antenna 3G Antenna Power Terminal Block LED Behavior LED Color LED Icon Indication Description Steady ON: Device is powered on by power Power Source Green source 1 AirLive VH-4GW User Manual...
Page 12: Hardware Installation
Before inserting or changing the SIM card, please power off the VH-4GW The SIM card slots are located at the bottom side of VH-4GW. Please unscrew and remove the outer bottom over ofVH-4GW and follow below instructions to insert SIM cards.
Page 13: Connecting Power
2. Installing the VH-4GW 2.4.2 Connecting Power The VH-4GW series unit provides a 9 ~36V DC power module. An VH-4GW unit can be powered by connecting a power source to the power terminal block. . Below Figure indicates pin assignments of the power terminal block. Please connect carefully your power source.
Page 14: Mount Vh-4Gw
2.5 Restore Settings to Default If you have forgotten your VH-4GW’s IP address or password, you can restore your VH-4GW to the default settings by pressing on the “reset button” for more than 10 seconds. The reset button is located on button of VH-4GW.
Page 15: Configuring The Vh-4Gw
After power on, please wait for 2 minutes for VH-4GW to finish boot up 3.2 Prepare Your PC The VH-4GW can be managed remotely by a PC through either the wired or wireless network. The default IP address of the VH-4GW is 192.168.123.254 with a subnet mask of255.255.255.0.
Page 16: Easy Setup By Web Interface
The VH-4GW can be configured using the web interfaces: Web Management (HTTP): You can manage your VH-4GW by simply typing its IP address in the web browser. Most functions of VH-4GW can be accessed by web management interface. We recommend using this interface for initial configurations.
Page 17: Wizard
3. Configuring the VH-4GW 3.3.1 Wizard Select “Wizard” for basic network setting and VPN settings in a simple way. Or you can go to “Basic Network/ Advanced Network/ Applications / System” to setup the configuration by own selection. 3.3.1.1 Configure with the Network Setup Wizard...
Page 18 3. Configuring the VH-4GW Step 4 WAN Interface setting WAN interface Configuration: Choose the physical interface and WAN type for Internet connection.. Press “ Next” to continue Step 4-1 : When 3G/4G is selected Please make sure you have inserted SIM card. If not, please power off this gateway, and insert SIM card first.
Page 19 3. Configuring the VH-4GW 3.3.1.2 Configure with the VPN setup wizard Step 1: Guideline The VPN setup wizard will guide you to finish profiles of IPSec, PPTP, L2TP and GRE VPN connection quickly. Press “ Next” to start the wizard.
Page 20 3. Configuring the VH-4GW Step 3-3: L2TP If choosing L2TP, there are two options of mode can be chosen. Choose “Client” if you want this device to connect to another L2TP server. Or choose “Server” if you want other L2TP clients to connect to Press “Next”...
Page 21: Status
3. Configuring the VH-4GW Step 3-4: GRE If choosing GRE, please input tunnel name, IP address of remote GRE peer, Key ID and choose default gateway / remote subnet. Please make sure these settings are accepted by peer GRE site. Otherwise, remote GRE peer will reject the connection.
Page 22: Dashboard
3. Configuring the VH-4GW 3.4.1 Dashboard In Dashboard , it show all of the status graphically. 3.4.2 Networks Status In Network Status page, you can review lots information of network status, including aconnection diagram, WAN IPv4 status, WAN IPv6 status, LAN status, and 3G/4G modem status.
Page 23 3. Configuring the VH-4GW Connection Diagram 3G/4G Icon: Indicates if 3G/4G and USB3G / 4G WAN connections are established or not. Wired Client Icon: Indicates how many Ethernet clients are connected now. WiFi Client Icon: Indicates how many WiFi clients are connected now.
Page 24: Wifi Status
3. Configuring the VH-4GW 3G/4G Modem Status Display modem information, link status, signal strength, and network (carrier) name of 3G/4G connection. Internet Traffic Statistics Display number of transmitted packets and received packets of each WAN interface. Device Time Display current time information of device.
Page 25: Lan Client List
3. Configuring the VH-4GW WiFi Traffic Statistics In order to view the traffic statistics of WiFi virtual APs, it will display operation band, virtual AP ID, the numbers of received packets and transmitted packets of all virtual APs on status page. Besides, there is an additional Reset command button for each virtual AP to clear the traffic statistics.
Page 26 3. Configuring the VH-4GW Packet Filters This window displays all fired rules and detected contents of firing activated packet filter rules. Besides, the source IP address and firing time of these events are also shown there. One "Edit" button in the Packet Filters caption can let you change its settings.
Page 27: Vpn Status
3. Configuring the VH-4GW Application Filters This window displays all filtered applications and their categories of firing activated application filter rules. Besides, the source IP address and firing time of these events are also shown there. One "Edit" button in the Application Filters caption can let you change its settings.
Page 28: System Management Status
3. Configuring the VH-4GW PPTP Client Status Display the tunnel status of all activated PPTP clients. L2TP Server Status Display the usage status of all activated accounts of L2TP server. L2TP Client Status Display the tunnel status of all activated L2TP clients.
Page 29: Upnp Port Status
3. Configuring the VH-4GW 3.4.9 UPNP Port Status This Page is shown UPnP Forwarded Port Summary. Go to Advanced Network  System Management  UPnP tab to enable the UPNP function. 3.4.10 Statistic & Reports This page include 3 tab, Internet Surfing List , Network Traffic Statistics and Device Manager Login Statistics.
Page 30: Gnss
3. Configuring the VH-4GW 3.4.11 GNSS This page shows the GPS information of the device. It contains nine items to check: This page will auto refresh every 5~10 second. Also, you can click on Refresh button to renew all GPS information immediately.
Page 31: Web Management
4. Web Management Web Management In this chapter, we will explain about VH-4GW settings in web management interface. Please be sure to read through Chapter 3 first. Whenever you want to configure your network or this device, you can access the Configuration Menu by opening the web browser and typing in the IP Address of the device.
Page 32 System respectively on left hand side of web page for device configuration. Note: You can see the first screen is located at [Status] - [Network Status] after you logged in and the screen shows the Network Connection Status below. AirLive VH-4GW User Manual...
Page 33: Basic Network
Client List page, and other advanced function status at Firewall Status page, VPN Status page and System Management Status page. 4.1 Basic Network You can enter Basic Network for WAN, LAN & VLAN, WiFi, IPv6, NAT/Bridging, Routing, and Client/Server/Proxy settings as the icon shown here. AirLive VH-4GW User Manual...
Page 34: Wan Setup
Physical Interface: Select the WAN interface from the available list. For this gateway, there is only “3G/4G” physical interface for Internet connection. To use embedded 3G/4G modem to operate as the primary Internet connection (WAN-1), please configure it with following parameters. AirLive VH-4GW User Manual...
Page 35 3G data plan is not with a flat rate, it’s recommended to set Connection Control mode to Connect-on-demand or Manually. 4.1.1.2.1 3G/4G WAN – 3G/4G Click on the “Edit” button for the 3G/4G WAN interface and you can get the detail WAN settings and then configure the settings as well. AirLive VH-4GW User Manual...
Page 36 “SIM-A First” or “SIM-A Only” for Preferred SIM Card, you need to input dial-up profile for SIM-A. Similarly, you need to input dial-up profile for SIM-B when you choose “SIM-B First” or “SIM-B Only” as your preferred done. AirLive VH-4GW User Manual...
Page 37 “Dial-on-demand”, this gateway won’t start to establish Internet connection until local data is going to be sent to WAN side. During normal operation, this gateway will disconnect WAN connection if idle time reaches the value of "Maximum Idle Time". AirLive VH-4GW User Manual...
Page 38 If this gateway doesn’t receive response with in this time period, this gateway will record this keep alive is failed. Latency Threshold: Set acceptance of response time. This gateway will record this keep-alive check is failed if the response time of replied packet is longer than this setting. AirLive VH-4GW User Manual...
Page 39 The device provides “Static IP Address”, “Dynamic IP Address”, “PPP over Ethernet”, “PPTP” and “L2TP” WAN types for the Ethernet WAN interface to connect to the Internet. 4.1.1.2.2.1 Dynamic IP Address AirLive VH-4GW User Manual...
Page 40 Loading Checking: The response time of replied keep-alive packets may increase when WAN bandwidth is fully occupied. To avoid keep-alive feature work abnormally, enable this option will stop sending keep-alive packets when there are continuous incoming and outgoing data packets passing through WAN connection. AirLive VH-4GW User Manual...
Page 41 IP form, which is four IP octets separated by a dot (x.x.x.x). The gateway will not accept the IP address if the format is not correct. AirLive VH-4GW User Manual...
Page 42 3G/LTE modem from some sort of auto-timeout and disconnects from the Internet after a period of inactivity. Enable: Check the box to do Network Monitoring. DNS Query/ICMP Checking: Do the keep alive through DNS query packets or ICMP packets. AirLive VH-4GW User Manual...
Page 43 You can enter that IP address in this field. 4.1.1.2.2.3 PPP over Ethernet Select this option if your ISP requires you to use a PPPoE connection. This option is typically used for ADSL services AirLive VH-4GW User Manual...
Page 44 4. Web Management WAN Type: Choose “PPPoE” from the drop list. IPv6 Dual Stack: You can enable this option if your ISP provides not only one IPv4 but also one IPv6 address. AirLive VH-4GW User Manual...
Page 45 Fail Threshold: Times of failed checking. This WAN connection will be recognized as broken if the times of continuous failed keep-alive checking equals to this value. AirLive VH-4GW User Manual...
Page 46 WAN IP Alias: In some cases, ISP will provide you another fixed IP address for management purpose. You can enter that IP address in this field. 4.1.1.2.2.4 PPTP Choose PPTP (Point-to-Point Tunneling Protocol) if your ISP used a PPTP connection. Your ISP will provide you with a username and password. AirLive VH-4GW User Manual...
Page 47 Maximum Idle Time. If choosing “Manually”, this gateway won’t start to establish WAN connection until you press “Connect” button on web UI. After that, this gateway will disconnect WAN connection if idle time reaches value of Maximum Idle Time. AirLive VH-4GW User Manual...
Page 48 You can enter that IP address in this field. 4.1.1.2.2.5 L2TP Choose L2TP (Layer 2 Tunneling Protocol) if your ISP used a L2TP connection. Your ISP will provide you with a username and password. AirLive VH-4GW User Manual...
Page 49 IP Mode: Please check the IP mode your ISP assigned, and select “Static IP Address” or “Dynamic IP Address” accordingly. If you select “Static IP Address” option, you have to specify additional “IP Address”, “Subnet Mask”, and “WAN Gateway IP” settings provided by your ISP. AirLive VH-4GW User Manual...
Page 50 Target1/Target2: Set host that is used for keep alive checking. It can be DNS1, DNS2, default Gateway, or other host that you need to input IP address manually. AirLive VH-4GW User Manual...
Page 51 “By Smart Weight”, “By Priority”, and “By User Policy”. 4.1.1.3.2 By Smart Weight If you choose the “By Smart Weight” strategy, no any other setting is required. This device will automatically allocate the outbound traffics to each WAN interface. 4.1.1.3.3 By Priority AirLive VH-4GW User Manual...
Page 52 “Any”, “Subnet”, “IP Range”, or “Single IP”. Just choose one type of the source IP address, and specify its value as well. If you don’t want to specify a certain source IP address for this policy, just leave it as “Any”. AirLive VH-4GW User Manual...
Page 53: Lan And Vlan Setup
This device is equipped with one Gigabit PoE Ethernet LAN port as to connect your local devices via Ethernet cables. Besides, VLAN function is provided to organize your local networks. 4.1.2.1 Ethernet LAN Please follow the following instructions to do IPv4 Ethernet LAN Setup. AirLive VH-4GW User Manual...
Page 54 254 IP addresses are allowed in this subnet. However, one of them is occupied by LAN IP address of this gateway, so there are maximum 253 clients allowed in LAN network. Here after are the available options for subnet mask. AirLive VH-4GW User Manual...
Page 55 NAT VLAN group to let group host member get its IP address. Thus, each host can surf Internet via the NAT mechanism of business access gateway. At bridge mode, Intranet packet flow was delivered out WAN trunk port with VLAN tag to upper link for different services. AirLive VH-4GW User Manual...
Page 56 VLAN 11 group can’t access the Internet. However, he configures Office segment with VLAN ID 10. The VLAN group is equipped with DHCP-1 server to construct a 192.168.10.x subnet. In this example, VLAN 10 and 12 groups can access the Internet as following diagram. AirLive VH-4GW User Manual...
Page 57 Ethernet port and up to eight WiFi virtual APs. The Ethernet port can serve as NAT or Bridge type of service interface. However, WiFi VAPs can serve as NAT type only. Since only one Ethernet port, there is little configuration to be required in the device for Port-based VLAN settings. AirLive VH-4GW User Manual...
Page 58 5. WAN VID: The VLAN Tag ID that come from the ISP service. For NAT type VLAN, no WAN VLAN tag is allowed and the value is forced to “0”; For Bridge type VLAN, You have to specify the VLAN Tag value that is provided by your ISP. 6. VLAN Routing Group: AirLive VH-4GW User Manual...
Page 59 This differs from a port-based VLAN, where the port VIDs assigned to the ports determine VLAN membership. When the device receives a frame with a VLAN tag, referred to as a tagged frame, the device forwards the frame only to those ports that share the same VID. AirLive VH-4GW User Manual...
Page 60 4. DHCP Server: Specify a DHCP server for the configuring VLAN group. This device provides only one DHCP server to serve the DHCP requests from different VLANs. Afterwards, click on “Save” to store your settings or click “Undo” to give up the changes. AirLive VH-4GW User Manual...
Page 61: Wifi Setup
WiFi devices such as your laptop PC, smartphone, tablet, wireless printer and some portable wireless devices. 4.1.3.1 WiFi Configuration This device is equipped with IEEE802.11b/g/n2Tx2R wireless radio, you have to configure 2.4GHz operation band’s wireless settings and then activate your WLAN. AirLive VH-4GW User Manual...
Page 62 IP addresses from ISP. 1. Operation Band: Select the WiFi operation band that you want to configure. But the device supports only 2.4G single WiFi band. 2. WPS: Click on the button to setup WPS. AirLive VH-4GW User Manual...
Page 63 10. WiFi System: This gateway supports 2.4GHz 802.11b/g/n modes, so you can choose adequate WiFi system from the option list of “802.11b Only”, “802.11g Only”, “802.11n Only”, “802.11b/g Mixed”, “802.11g/n Mixed” and “802.11b/g/n Mixed” according to your requirement. The factory default setting is “802.11b/g/n Mixed”. AirLive VH-4GW User Manual...
Page 64 Select Encryption mode and enter the Pre-share Key. You can fill in 64 hexadecimal (0,1,2…8,9,A,B…F)digits, or 8 to 63 ASCII characters as the pre-share key. The available encryption modes are “TKIP”, “AES”, or “TKIP/AES”. In this mode, you don’t need additional RADIUS server for user authentication. AirLive VH-4GW User Manual...
Page 65 The key value is shared by the RADIUS server and this router. This key value must be consistent with the key value in the RADIUS server. Afterwards, click on “Save” to store your settings or click “Undo” to give up the changes. AirLive VH-4GW User Manual...
Page 66 Channel: The radio channel number. The permissible channels depend on the Regulatory Domain. The factory default setting is auto channels election. Authentication & Encryption: You may select one of the following authentications to secure your wireless network: Open, Shared, Auto, WPA-PSK and WPA2-PSK. AirLive VH-4GW User Manual...
Page 67 Select Encryption mode and enter the Pre-share Key. You can fill in 64 hexadecimal (0,1,2…8,9,A,B…F) digits, or 8 to 63 ASCII characters as the pre-share key. The available encryption modes are “TKIP”, “AES”, or “TKIP/AES”. In this mode, you don’t need additional RADIUS server for user authentication. AirLive VH-4GW User Manual...
Page 68 WDS (Wireless Distributed System) Hybrid function let this access point acts as a wireless LAN access point and a repeater at the same time. Users can use this feature to build up a large wireless network in a large space like airports, hotels and schools…etc. AirLive VH-4GW User Manual...
Page 69 “Disable”, the wireless clients can’t find the device from beacons. Channel: The radio channel number. The permissible channels depend on the Regulatory Domain. This channel number needs to be same as the channel number of peer AP. AirLive VH-4GW User Manual...
Page 70 Select Encryption mode and enter the Pre-share Key. You can fill in 64 hexadecimal (0,1,2…8,9,A,B…F) digits, or 8 to 63 ASCII characters as the pre-share key. The available encryption modes are “TKIP”, “AES”, or “TKIP/AES”. In this mode, you don’t need additional RADIUS server for user authentication. AirLive VH-4GW User Manual...
Page 71 “2.4G WPS Setup” button. But please be noted that if you choose "TKIP" for encryption type, WPS function is disabled. Only one wireless client is allowed to proceeding WPS connection at the same time. AirLive VH-4GW User Manual...
Page 72 STA clients can operate the WPS process to the device with the certificated code. AP PIN Code & New Generate[Enrollee Mode]:This PIN number is required for WiFi client during WPS connection. You can press “New Generate” to get a new AP PIN. AirLive VH-4GW User Manual...
Page 73 Indicate which virtual AP (SSID) you want to browse. You can check wireless clients of VAP-1~VAP-8 individually. 4.1.3.3 Advance Configuration This device provides advanced wireless configuration for professional user to optimize the wireless performance under the specific installation environment. AirLive VH-4GW User Manual...
Page 74 Short GI: Time setting of Guard Interval between two Wi-Fi packets. Decrease this time interval will increase Wi-Fi data throughput. But it may cause some side-effects when the quality of Wi-Fi signal is not good. 800ns is the standard time setting of GI. AirLive VH-4GW User Manual...
Page 75 Transmit Power: Normally the wireless transmission power operates at 100% out power specification of this device. You can lower down the power ratio to prevent transmissions from reaching beyond your corporate/home office or designated wireless area. AirLive VH-4GW User Manual...
Page 76: Ipv6 Setup
ISP of what type of IPv6 is supported before you proceed with IPv6 setup. 4.1.4.1 6 to 4 When “6 to 4” is selected for the WAN Connection Type, you need to do the following settings: AirLive VH-4GW User Manual...
Page 77 IP address of that interface. Hosts discover the addresses of their neighboring routers simply by listening for advertisements. When a host attached to a multicast link starts up, it may multicast a Router Solicitation to AirLive VH-4GW User Manual...
Page 78 VLAN. This list is constructed by snooping IPv6 multicast control packets. If necessary in your environment, please enable this feature. AirLive VH-4GW User Manual...
Page 79: Nat/Bridging
(unsolicited) advertisements. 4.1.5 NAT/Bridging This part includes NAT related settings, such as NAT loopback, Virtual Server, Virtual Computer, Special AP, ALG, and DMZ. AirLive VH-4GW User Manual...
Page 80 A virtual server is defined as a Public Port, and all requests to this port will be redirected to the computer specified by the Server IP. Virtual Server can work with Scheduling Rules, and give user more flexibility on Access control. For the details, please refer to [System]-[Scheduling]. AirLive VH-4GW User Manual...
Page 81 Global IP: Enter the global IP address assigned by your ISP. Local IP: Enter the local IP address of your LAN PC corresponding to the global IP address. Enable: Check this item to enable the Virtual Computer feature. AirLive VH-4GW User Manual...
Page 82 Trigger Port: The outbound port number issued by the application. Incoming Ports: When the trigger packet is detected, the inbound packets sent to the specified port numbers are allowed to pass through the firewall. AirLive VH-4GW User Manual...
Page 83: Routing Setup
4.1.6 Routing Setup If you have more than one router and subnet, you will need to enable routing function to allow packets to find proper routing path and allow different subnets to communicate with each other. AirLive VH-4GW User Manual...
Page 84 Please click Add or Edit button to configure a static routing rule: Destination IP: Enter the subnet network of routed destination. Subnet Mask: Input your subnet mask. Subnet mask defines the range of IP address in destination network. AirLive VH-4GW User Manual...
Page 85 The feature of dynamic routing will be very useful when there are lots of subnets in your network. Generally speaking, RIP is suitable for small network. OSPF is more suitable for medium network. BGP is more used for big network infrastructure 4.1.6.2.1 RIP AirLive VH-4GW User Manual...
Page 86 BGP does not use traditional Interior Gateway Protocol (IGP) metrics, but makes routing decisions based on path, network policies and/or rule-sets. For this reason, it is more appropriately termed a reach-ability protocol rather than routing protocol. AirLive VH-4GW User Manual...
Page 87: Client/Server/Proxy
How does user access your server if your WAN IP address changes all the time? One way is to register a new domain name, and maintain your own DNS server. Another simpler way is to apply a domain name to 3-party DDNS service provider. It can be free or charged. AirLive VH-4GW User Manual...
Page 88 Username/E-mail: Input user name or E-mail based on the DDNS provider you registered. Password/Key: Input password or key based on the DDNS provider you select. Afterwards, click on “Save” to store your settings or click “Undo” to give up the changes. AirLive VH-4GW User Manual...
Page 89 LAN IP Address: Specify the local IP address of the enabled DHCP Server. It’s the LAN IP address of this gateway for DHCP-1 server. Normally, this IP address will be also the default gateway of local computers and devices. AirLive VH-4GW User Manual...
Page 90 DHCP server offers IP address. For an example, this gateway will assign IP address to local computers, but local computers will go to Internet through another gateway. Server : To enable or disable the Server function AirLive VH-4GW User Manual...
Page 91: Advanced Network
IP address all the time. 4.2 Advanced Network This device also supports many advanced network features, such as Firewall, QoS&Bandwidth Management, VPN Security, Redundancy, System Management and Certificate. You can finish those configurations in this section. AirLive VH-4GW User Manual...
Page 92: Firewall
IP and destination IP in a rule. It enables you to control what packets are allowed or blocked to pass the router. Outbound filters are applied to all outbound packets. However, inbound filters are applied to packets that destined to virtual servers or DMZ host/port only. AirLive VH-4GW User Manual...
Page 93 It supports the adding of one new rule or the editing of one existed rule. There are some parameters need to be specified in one packet filter rule. They are Rule Name, From Interface, To Interface, Source IP, Destination IP, Destination Port, Protocol, Time Schedule and finally, the rule enable. AirLive VH-4GW User Manual...
Page 94 A“0” implies all ports are used. You also can choose one well-known service instead so that the chosen service will provide its destination port and protocol number for the rule. The supported well-known services include: AirLive VH-4GW User Manual...
Page 95 Afterwards, click on “Save” to store your settings or click “Undo” to give up the changes. 4.2.1.3 URL Blocking URL Blocking will block the webs containing pre-defined keywords. This feature can filter both domain input suffix(like.com or .org,etc) and a key word “bct” or “mpe”. AirLive VH-4GW User Manual...
Page 96 It supports the adding of one new rule or the editing of one existed rule. There are some parameters need to be specified in one URL blocking rule. They are Rule Name, URL / Domain Name / Keyword, Destination Port, Time Schedule and finally, the rule enable. AirLive VH-4GW User Manual...
Page 97 Web Content Filters can block HTML requests with the specific extension file name, like ".exe", ".bat" (applications), "mpeg” (video), and block HTML requests with some script types, like Java Applet, Java Scripts, cookies and Active X. AirLive VH-4GW User Manual...
Page 98 It supports the adding of one new rule or the editing of one existed rule. There are some parameters need to be specified in one Web Content Filter rule. They are Rule Name, User-defined File Extension List, Time Schedule and finally, the rule enable. AirLive VH-4GW User Manual...
Page 99 Afterwards, click on “Save” to store your settings or click “Undo” to give up the changes. 4.2.1.5 MAC Control MAC Control allows you to assign different access right for different users based on device’s MAC address. 4.2.1.5.1 Configuration AirLive VH-4GW User Manual...
Page 100 MAC Address: Input the MAC address of local device. You can input manually or copy it from Known MAC from LAN PC List. Please note the format of MAC address is like “xx:xx:xx:xx:xx:xx”. “x” is a hexadecimal digit. AirLive VH-4GW User Manual...
Page 101 Application Filters function. 4.2.1.6.1 Configuration Application Filters: Check the “Enable” box to activate the Application Filters function. All of the settings in this page will take effect only when “Enable” is checked. AirLive VH-4GW User Manual...
Page 102 You can enable the IPS function and check the listed intrusion activities if necessary. There are some intrusion prevention items need a further Threshold parameter to work properly for intrusion detection. Beside, you can enable the log alerting so that system will record intrusion events when corresponding intrusions are detected. AirLive VH-4GW User Manual...
Page 103: Qos & Bwm
The total amount of data traffic increases now a days as the higher demand of mobile devices, like Game/Chat/VoIP/P2P/Video/Web access. In order to pose new requirements for data transport, e.g. low latency, low data loss, the entire network must ensure them via a connection service guarantee. AirLive VH-4GW User Manual...
Page 104 You can choose one WAN interface to define its resources, like available bandwidth of WAN connection and the number of total connection sessions. The application of Flexible Bandwidth Management on the interface can also be specified here. AirLive VH-4GW User Manual...
Page 105 Differentiated services can be base on 802.1p, DSCP, TOS, VLANID, User-defined Services and Well-known Services. ➢ Well-known services include FTP(21), SSH(TCP:22), Telnet(23), SMTP(25), DNS(53), TFTP(UDP:69), HTTP(TCP:80), POP3(110), Auth(113), SFTP(TCP:115), SNMP&Traps(UDP:161-162), LDAP(TCP:389), HTTPS(TCP:443), SMTPs(TCP:465), ISAKMP(500), RTSP(TCP:554), POP3s(TCP:995), NetMeeting(1720), L2TP(UDP:1701) and PPTP(TCP:1723). AirLive VH-4GW User Manual...
Page 106 “Edit” command buttons at the end of each rule in the QoS Rule List. Besides, unnecessary rules can be removed by checking the “Select” box for those rules and then clicking on the “Delete” command button at the QoS Rule List caption. AirLive VH-4GW User Manual...
Page 107 Besides, “IP Address” group can be defined as an IP range with an IP address and its subnet mask. And “Group Object” is defined in the System -> Grouping menu. But what kinds of groups to use depend on product models. AirLive VH-4GW User Manual...
Page 108 When “User-defined Services” is selected, two more parameters, Protocol Number and Service Port Range, must be defined. Protocol Number is either TCP or UDP or Both. Finally, when “Well-known Service” is selected, you can choose the well-known from a list like: AirLive VH-4GW User Manual...
Page 109 “Individual Control”. Then, that means the maximum connection sessions of each selected host can’t exceed 2000 sessions. On the contrary, changing to “Group Control”, it means that group of client hosts totally can’t use over 2000 connection sessions. AirLive VH-4GW User Manual...
Page 110 This rule means IP packets from all WAN interfaces to LAN IP address 10.0.75.196~10.0.75.199 which have DiffServ code points with “IP Precedence4(CS4)” value will be modified by “DSCP Marking” control function with “AF Class2(High Drop)” value at anytime. AirLive VH-4GW User Manual...
Page 111: Vpn Setup
This is done by establishing a virtual point-to-point connection through the use of dedicated connections, encryption, or a combination of the two. The tunnel technology supports data confidentiality, data origin authentication and data integrity of network information by utilizing encapsulation protocols, encryption algorithms, and hashing algorithms. AirLive VH-4GW User Manual...
Page 112 IP address or a FQDN can initiate the establishing of an IPSec VPN tunnel. Two peers of the tunnel have their own Intranets and these cure tunnel serves for data communication between these two subnets of hosts. AirLive VH-4GW User Manual...
Page 113 IPSec: You could trigger the function of IPSec VPN if you check “Enable” box. Net BIOS over IPSec: If you would like two Intranets behind two Business Security Gateways to receive the Net BIOS packets from Network Neighborhood, you have to check “Enable” box. AirLive VH-4GW User Manual...
Page 114 Tunnel Name: Enter the name of tunnel. Interface: Decide the WAN Interface to establish the tunnel. Tunnel Scenario: Support “Site to Site”, “Site to Host”, “Host to Site”, “Host to Host” and “Dynamic VPN”. Select one from them. AirLive VH-4GW User Manual...
Page 115 Full Tunnel: All traffic from Intranet of Business Security Gateway goes over the IPSec VPN tunnel if these packets don’t match the Remote Subnet of other IPSec tunnels. That is, both application data and Internet access packets land up at the VPN concentrator. AirLive VH-4GW User Manual...
Page 116 Remote ID: The Type and the Value of the local Business Security Gateway must be the same as that of the local ID of the remote VPN peer. There are also 4 types for Remote ID: UserName, FQDN, User@FQDN and Key ID. AirLive VH-4GW User Manual...
Page 117 Delay indicates the interval between detections, and Time out indicates the timeout of detected to be dead. Phase 1 Key Life Time: The value of life time represents the life time of the key which is dedicated at Phase 1 between both end gateways. AirLive VH-4GW User Manual...
Page 118 Phase 2 between two VPN peers. 4.2.3.2.10 IPSec Proposal Definition There are 4 IPSec proposals can be defined by you and used in IPSec phase of negotiation between two VPN peers. AirLive VH-4GW User Manual...
Page 119 MD5 or 40 if SHA1. However, SHA2-256 uses 64 length of hex format. Certainly, its length will be 0 if no authentication algorithm is chosen. The key value should be also set in hex formatted. AirLive VH-4GW User Manual...
Page 120 PPTP / L2TP Server / Client Application The device acts as Server or Client role in SMB Headquarters or Branch Office. The Business Security Gateway can behave as a PPTP server and a PPTP client at the same time. AirLive VH-4GW User Manual...
Page 121 LAN servers behind the PPTP server. The device can support four authentication methods: PAP, CHAP, MS-CHAP and MS-CHAP v2. Users can also enable MPPE encryption when using MS-CHAP or MS-CHAP v2. PPTP Server: Enable or disable PPTP server function. AirLive VH-4GW User Manual...
Page 122 Add: You can add one new user account by clicking on the “Add” button. Delete: Delete selected user accounts by checking the “Select” box at the end of each user account list and then clicking on the “Delete” button. Account: Check the “Enable” box to validate the user account. AirLive VH-4GW User Manual...
Page 123 You can add new up to 22 different PPTP client tunnels by clicking on the “Add” button, and modify each tunnel configuration by clicking on the corresponding “Edit” button at the end of each existed tunnel. Add: You can add one new PPTP client tunnel by clicking on the “Add” button. AirLive VH-4GW User Manual...
Page 124 “Peer Subnet” is chosen, peer subnet parameter needs to be filled and it should be the LAN subnet of remote PPTP server. If an Intranet packet wants to go to this peer subnet, the PPTP tunnel will be established automatically. AirLive VH-4GW User Manual...
Page 125 L2TP:Check the “Enable” box to activate L2TP client and server functions. Client/Server: Choose Server or Client to configure corresponding role of L2TP VPN tunnels for the Business Security Gateway beneath the choosing screen. AirLive VH-4GW User Manual...
Page 126 MPPE Encryption: Check the “Enable” box to activate MPPE encryption. Please note that MPPE needs to work with MS-CHAP or MS-CHAP v2 authentication method. In the meantime, you also can choose encryption length of MPPE encryption, 40 bits, 56 bits or 128 bits. AirLive VH-4GW User Manual...
Page 127 Add or edit one user account will activate the “User Account Configuration” screen. User Name: Enter the user name of user account. Password: Enter the password of user account. Account: Check the “Enable” box to validate the user account. Save: To save the user account configuration. AirLive VH-4GW User Manual...
Page 128 “Delete” button. Tunnel: Check the “Enable” box to activate the tunnel. Edit: You can edit one L2TP TP client tunnel configuration by clicking on the “Edit” button at the end of each tunnel list. AirLive VH-4GW User Manual...
Page 129 “Connect-on-Demand”, “Auto Reconnect(always-on)”, or “Manually”. By default, it is “Auto Reconnect(always-on)”. Authentication Protocol: You can choose authentication protocol as PAP, CHAP, MS-CHAP, or MS-CHAP v2. The protocol you choose must be supported by remote L2TP server. AirLive VH-4GW User Manual...
Page 130 4.2.3.5.2 GRE Configuration There is one common GRE VPN connection scenario as follows: • GRE Server / Client Application The Business Security Gateway acts as GRE Server or Client role in SMB Headquarters or Branch Office. AirLive VH-4GW User Manual...
Page 131 “Peer Subnet” is chosen, peer subnet parameter needs to be filled and it should be the LAN subnet of remote GRE server. If an Intranet packet wants to go to this peer subnet, the GRE tunnel will be established automatically. AirLive VH-4GW User Manual...
Page 132: Redundancy
Virtual Server ID: Means Group ID. Specify the ID number of the virtual server. Its value ranges from 1 to 255. Priority of Virtual Server: Specify the priority to use in VRRP negotiations. Valid values are from 1 to 254, and a larger value has higher priority. AirLive VH-4GW User Manual...
Page 133: System Management
CPE WAN Management Protocol(CWMP). It defines an application layer protocol for remote management of end-user devices, like this gateway device. As a bidirectional SOAP/HTTP-based protocol, provides communication between customer-premises equipment (CPE) and Auto Configuration Servers (ACS). The Security Gateway is such CPE. AirLive VH-4GW User Manual...
Page 134 The device supports several public MIBs and one private MIB for the SNMP agent. The supported MIBs are as follow: • Supported MIBs • MIB-II (RFC 1213, Include IPv6) • IF-MIB, IP-MIB, TCP-MIB, UDP-MIB • SMIv1 and SMIv2 • SNMPv2-TM and SNMPv2-MIB • AMIB (AirLive Private MIB) AirLive VH-4GW User Manual...
Page 135 WAN Access IP Address: The IP address of remote control site to manage the device by using SNMP protocol. A User Privacy table is used for only SNMPv3. It defines the user list and their privacy and authority settings. User Name: Input the name for a user. AirLive VH-4GW User Manual...
Page 136 Without IGD one has to manually configure the gateway to allow traffic through, a process which is error prone and time consuming. AirLive VH-4GW User Manual...
Page 137: Certificate
SSL), where they prevent an attacker from impersonating a secure website or other server. They are also used in other important applications, such as email encryption and code signing. Here, it can be used in IPSec tunneling for user authentication. AirLive VH-4GW User Manual...
Page 138 512-bits, 765-bits, 1024-bits, 1536-bits, 2048-bits. Subject Name: Subject Name include seven information. Country(C):The two character country code of the certificate authority is located. State(ST):The state where the certificate authority is located. Location(L): city where certificate authority located. AirLive VH-4GW User Manual...
Page 139 You can generate one certificate by clicking on the "Generate" button. Name: Enter the name of certificate. Key: Key Type is RSA. Key length: The size of the private key in bits. There are five key length can be selected: 512-bits, 765-bits, 1024-bits, 1536-bits, 2048-bits. AirLive VH-4GW User Manual...
Page 140 Trusted Certificate Trusted Certificates include Trusted CA Certificate List and Trusted Client Certificate List. The Trusted CA Certificate List which places the external trusted CA. The Trusted Client Certificate List which place the certificates what you trust. AirLive VH-4GW User Manual...
Page 141 PEM codes in Web UI, and then click on the "Apply" button. After successful importing the trusted external CA, you also can delete it by checking the Select box and clicking on the "Delete" button. AirLive VH-4GW User Manual...
Page 142 This feature can show the list of all certificates information. Each Certificate involve field of certificate name, subject, issuer and valid to. You can import one trusted external client certificate by clicking on the "Import" button. AirLive VH-4GW User Manual...
Page 143 You also can delete one trusted client certificate by checking corresponding Select box and clicking on the "Delete" button. You can view its PEM codes by checking the "View" button. You can download the trusted client certificate file by clicking on the "Download" button. AirLive VH-4GW User Manual...
Page 144 After signing, the Issuer information can be show which is Root CA subject. You also can view its PEM codes by checking the "View" button and download the issued certificate file by clicking on the "Download" button. AirLive VH-4GW User Manual...
Page 145: Application
Web server for user authentication. If the authentication is successful, the requested client host will be allowed to access Internet by the device. 4.3.1 Mobile Application 4.3.1.1 You can compose new SMS message and check received SMS message on this gateway. AirLive VH-4GW User Manual...
Page 146 3. Destination: Please enter the phone number of receiver if you choose “Auto-forward”. Or enter a mail address if choosing “By Email”. Or enter the IP address of syslog server if choosing “By Syslog”. 4. Enable: Enable this rule. SMS Summary AirLive VH-4GW User Manual...
Page 147 Unstructured Supplementary Service Data (USSD) is a protocol used by GSM cellular telephones to communicate with the service provider's computers. USSD can be used for prepaid callback service, mobile-money services, location-based content services, and as part of configuring the phone on the network. AirLive VH-4GW User Manual...
Page 148 You can edit USSD profile for some common used command. Press “Add” button to add new profile. And select some existed profiles to delete by clicking on “Delete” button. USSD Profile Configuration Profile Name: Indicate name of this profile. USSD Command: Type USSD command of this profile. AirLive VH-4GW User Manual...
Page 149 This part is for remote management functions that are done by text SMS(Short Message Service). Users can send certain SMS to this gateway to activate some actions, such as connect/disconnect/reconnect WAN connection or reboot the system. AirLive VH-4GW User Manual...
Page 150 (e.g.1234 reboot). If this field is empty, users just need to type command without adding any key information. Note. If security key is empty, access control needs to be activated. The security key can be empty if access control is activated. AirLive VH-4GW User Manual...
Page 151 Reboot: Enable it, and you can send command “reboot” to restart router. **All management commands are not case sensitive** Notification Settings WAN Link Down: Enable it, and this gateway will send a message to users if primary WAN connection is dropped. AirLive VH-4GW User Manual...
Page 152: Captive Portal
The phone number must be with the international prefix (i.e.+886939123456). You can also assign specific phone number can send command and / or also can receive notifications. 4.3.2 Captive Portal Captive Portal Configuration AirLive VH-4GW User Manual...
Page 153: Position Applications
(SBAS). SBAS is usually used for improving positioning accuracy. The tables below show 4 major GNSS system in the world, and SBAS system in different areas. Major GNSS System in the world GNSS System Owner GLONASS Russia Galileo European Union BeiDou (COMPASS) China AirLive VH-4GW User Manual...
Page 154 Hereunder are the main features of GNSS function in the VxG In-Vehicle Gateway. • Retrieve GNSS data from satellites and send to remote operation center periodically or save in local storage. • Global positioning with multiple GNSS systems, including GPS, and optional for GLONASS, Galileo, or BeiDou. AirLive VH-4GW User Manual...
Page 155 With GNSS configuration page, you can configure those functions that are mentioned above. Please note the available GNSS features on different models may be different. Please check product datasheet for details. Configuration The configuration part includes all parameters of GNSS function. AirLive VH-4GW User Manual...
Page 156 Only select the type you need, otherwise it will consume unnecessary network bandwidth. The table below shows more information for different types of NMEA 0183 message. AirLive VH-4GW User Manual...
Page 157 However, the almanac data with shorter valid period needs to be updated more frequently. It will consume more network bandwidth. Please note this option is hardware dependent. You may not see this option if your product doesn’t support it. Please check product datasheet for details. AirLive VH-4GW User Manual...
Page 158  Port Number Indicate port number of TCP or UDP session will be used to send GPS data. Please note this port number needs to match the port number that remote host is listening. AirLive VH-4GW User Manual...
Page 159 [Position Applications]-[Configuration] GNSS Enable GNSS Type GPS Message Types SBAS Enable Assisted GPS Enable, 1 Data to Storage Disable Settings for Remote Host: Configuration Path [Position Applications]-[Remote Host Configuration] Host Name Truck-1 Host IP 100.100.100.1 Protocol Type AirLive VH-4GW User Manual...
Page 160 GPS Types unchecked data. by default. There are many sentences in the NMEA standard for selecting, GGA, GLL, GSA, GSV, RMC and VTG. ALL Other includes DTM, GNS, GRS, GST, AirLive VH-4GW User Manual...
Page 161: System
Friday, the time schedule object can be defined in the [System] - [Scheduling] section. About External Servers, you can define some external server objects here to be applied at various applications in the device system. Whatever one application needs AirLive VH-4GW User Manual...
Page 162: System Related
Web UI. System Tools support system time configuration, FW upgrading, system rebooting, system resetting to default, waking on LAN and configuration settings backup. You also can check the system information and system status log here. AirLive VH-4GW User Manual...
Page 163 ADSL modem and 3G/LTE modem. 4.4.1.3 System Status You can view the System Logs in Web UI. You also can send the logs to specific email accounts periodically or instantly by clicking on the “Email Now” command button AirLive VH-4GW User Manual...
Page 164 4. Email Now: A command button to let you email out current web logs right now instead of the email alert period. 4.4.1.4 System Tools The device supports many system tools, including system time configuration, FW upgrading, system rebooting, system resetting to default, waking on LAN and configuration settings backup. AirLive VH-4GW User Manual...
Page 165 “Browse” button, and then click “Upgrade” button to start the FW upgrading process on this device. If you want to upgrade a firmware which is from GPL policy, please check “Accept unofficial firmware”. AirLive VH-4GW User Manual...
Page 166 “UDP”. Then, system will try to trace the specified device to test whether it is alive after clicking on the “Traceroute” button. A test result window will appear beneath it. There is a “Close” command button there can let the test result windows disappear. AirLive VH-4GW User Manual...
Page 167: Scheduling
Time). In a schedule rule, it collects 8 time periods to organize it. You also can specify the rule is to define the enable timing (“In active except the selected days and hours below”) or disable timing(“Active except the selected days and hours below”). AirLive VH-4GW User Manual...
Page 168: Grouping
This device supports three types of objects to be grouped. They are host objects, file extension objects and L7 Application objects. One “Enable” checkbox provides user to activate the grouping function for all types of objects. 4.4.3.1 Grouping Configuration Grouping: Check the “Enable” box to activate the grouping function. AirLive VH-4GW User Manual...
Page 169 Member to Join: To define a member by using IP address or MAC address. Choose “IP Address-based” or “MAC Address-based” first and then type specific value for the member. Click on the “Join” button to join the member in the group. AirLive VH-4GW User Manual...
Page 170 File extension categories include “Image”, “Video”, “Audio”, “Java”, “Compression” and “Execution”. And each category has its own list of file extension objects, like “.exe”. Choose one to join the group by clicking on the “Join” button. AirLive VH-4GW User Manual...
Page 171 “Streaming”. And each category has its own list of L7 application objects, like “eMule”. Choose one to join the group by clicking on the “Join” button. 5. Group: Check the “Enable” box to activate the group definition. AirLive VH-4GW User Manual...
Page 172: External Servers
Delete: Click on the button to delete the external server objects that are specified in advance by checking on the “Select” box of those objects. Edit: Click on the button to edit the external server object. Select: Select the external server object to delete. AirLive VH-4GW User Manual...
Page 173: Mmi
“Location ID” and “Location Name”. Among them, Location Name is optional. Server: Check the “Enable” box to activate the external server object. 4.4.5 MMI 4.4.5.1 You can set UI administration time-out duration in this page. If the value is “0”, means the time-out is unlimited. AirLive VH-4GW User Manual...
Page 174: Vh-4Gw Specifications
5. VH-4GW Specifications VH-4GW Specifications The specification of VH-4GW is subject to change without notice. Please use the information with caution. 5.1 Features  Cellular Gateway for Vehicle LTE-Fi Hotspot applications.  1x embedded LTE module  1x10/100 WAN ...
Page 175 Host to Host, Dynamic VPN Redundancy: VRRP Captive Portal Status & Statistics Scheduling FW upgrade Backup & Restore Setting Telnet Management SNMP TR-069 WiFi Output Power (EIRP) ETSI: 2.4GHz : 19±1dBm Receive Sensitivity 2.4GHz: -90±2dBm Power Supply 9~36Vdc AirLive VH-4GW User Manual...
Page 176 5. VH-4GW Specifications Operating: -20 ~ 60℃ Temperature Storage: -40 ~ 85℃ Humidity Operating: 10~90% (Non-Condensing) Storage: max. 95% (Non-Condensing) Certification Dimension 150 x 107 x 31 (mm) Product Weight 380 (g) AirLive VH-4GW User Manual...
Page 177: Wireless Network Glossary
Spanning Tree Protocol. It is an algorithm to prevent network from forming. The STP protocol allows network to provide a redundant link in the event of a link failure. It is advice to turn on this option for multi-link bridge network. AirLive VH-4GW User Manual...
Page 178 VLAN ID(called Tag) as it traveled across the network. Therefore, the VLAN configuration can be configured across multiple switches. In 802.1Q spec, possible 4096 VLAN ID can be created. Although for some devices, they can only view in frames of 256 ID at a time. AirLive VH-4GW User Manual...
Page 179 Setting the correct ACK timeout value need to consider 3 factors: distance, AP response time, and interference. The VH-4GW provide ACK adjustment capability in form of either distance or direct input. When you enter the distance parameter, the VH-4GW will automatically calculate the correct ACK timeout value.
Page 180 IP or Application. It can also guarantee the speed of certain special application or privileged IP address - a crucial feature of QoS (Quality of Service) function. The VH-4GW’s features both “Per-user Bandwidth Control” and “Total Bandwidth Control”. “Per-user Bandwidth Control”...
Page 181 TCP/UDP service ports to this particular device. The feature is used commonly for setting up H.323 VoIP or Multi-Media servers. A program that translates URLs to IP addresses by accessing a database maintained on a collection of Internet servers. AirLive VH-4GW User Manual...
Page 182 The program that runs inside embedded device such as router or AP. Many network devices are firmware upgradeable through web interface or utility program. File Transfer Protocol. A standard protocol for sending files between computers over a TCP/IP network and the Internet. AirLive VH-4GW User Manual...
Page 183 Infrastructure Mode A wireless network that is built around one or more access points to provide wireless clients access to wired LAN / Internet service. The opposite of Infrastructure mode is Adhoc mode. AirLive VH-4GW User Manual...
Page 184 When a network device have MAC access control feature, only the devices with the approved MAC address can connect with the network. Mbps Megabits Per Second. One million bits per second; a unit of measurement for data transmission AirLive VH-4GW User Manual...
Page 185 A PoE Access Point or CPE has the splitter built-in to the device. The IEEE 802.3af is a POE spec that uses 48 volt to deliver power up to 100 meter distance. AirLive VH-4GW User Manual...
Page 186 Rate Control management uses "Flow Control" to limit the speed of a port. Therefore, the Ethernet adapter must also have the flow control enabled. One way to force the adapter's flow control on is to set a port to half-duplex mode. AirLive VH-4GW User Manual...
Page 187 “-50db” has stronger signal than “-80dB”. For outdoor connection, signal stronger than -60dB is considered as a good connection. Request To Send. A packet sent when a computer has data to transmit. The computer will wait for a CTS (Clear To Send) message before sending data. AirLive VH-4GW User Manual...
Page 188 An address code mask that determines the size of the network. An IP subnet are determined by performing a BIT-wise AND operation between the IP address and the subnet mask. By changing the subnet mask, you can change the scope and size of a network. AirLive VH-4GW User Manual...
Page 189 The output power limit for 5GHz 802.11a is 30dBm at the antenna end. User Datagram Protocol. A layer-4 network protocol for transmitting data that does not require acknowledgement from the recipient of the data. Upgrade To replace existing software or firmware with a newer version. AirLive VH-4GW User Manual...
Page 190 (64-bit),108-bit (128-bit) or 152-bit (Atheros proprietary) encryption modes. Wi-Fi Wireless Fidelity. An interoperability certification for wireless local area network (LAN) products based on the IEEE 802.11 standards. The governing body for Wi-Fi is called Wi-Fi Alliance (also known as WECA). AirLive VH-4GW User Manual...
Page 191 Wi-Fi Protected Access. It is an encryption standard proposed by WiFi for advance protection by utilizing a password key (TKIP) or certificate. It is more secure than WEP encryption. The WPA-PSK utilizes pre-share key for encryption/authentication. AirLive VH-4GW User Manual...
Page 192 6. Wireless Network Glossary WPA2 Wi-Fi Protected Access 2.WPA2 is also known as 802.11i.It improves on the WPA security with CCMP and AES encryption. The WPA2 is backward compatible with WPA.WPA2-PSK utilizes pre-share key for encryption/authentication. AirLive VH-4GW User Manual...

Air Live VH-4GW User Manual

1 Introduction

2 Installing the VH-4GW

3 Configuring the VH-4GW

4 Web Management

5 VH-4GW Specifications

6 Wireless Network Glossary

Quick Links

User Manual

Related Manuals for Air Live VH-4GW

Summary of Contents for Air Live VH-4GW

Table of Contents