Zinwell ZWA-G120 Wireless b/g AP User Manual G120X

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Document ID	691900
Application ID	joCG/TBQnoDzE85YeiYSVg==
Document Description	Users Manual 2
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Document Type	User Manual
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Date Submitted	2006-08-09 00:00:00
Date Available	2006-08-09 00:00:00
Creation Date	2006-08-04 16:36:06
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Document Title	Microsoft Word - G120X.doc
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Document Author:	Administrator

Advanced Settings
These settings are only for more technically advanced users who have sufficient
knowledge about wireless LAN. These settings should not be changed unless
you know what effect the changes will have on your device. The default setting is
optimized for the normal operation. For specific application, setting configuration
will required highly attention to reach optimistic condition.
Note：
Any unreasonable value change to default setting will reduce the
throughput of the device.
Authentication Type
The device supports two Authentication Types “Open system” and “Shared
Key”. When you select “Share Key”, you need to setup “WEP” key in “Security”
page (See the next section). The default setting is “Auto”. The wireless client
can associate with the device by using one of the two types.
Fragment Threshold
The fragmentation threshold determines the size at which packets are
fragmented (sent as several pieces instead of as one block). Use a low setting
in areas where communication is poor or where there is a great deal of radio
interference. This function will help you to improve the network performance.
RTS Threshold
The RTS threshold determines the packet size at which the radio issues a
request to send (RTS) before sending the packet. A low RTS Threshold setting
28
can be useful in areas where many client devices are associating with the
device, or in areas where the clients are far apart and can detect only the
device and not each other. You can enter a setting ranging from 0 to 2347
bytes.
Data Rate
The standard IEEE 802.11b/11g supports 1, 2, 5.5, 11 / 6, 9, 12, 18, 24, 36, 48
and 54 Mbps data rates. You can choose the rate that the device uses for data
transmission. The default value is “auto”. The device will use the highest
possible selected transmission rate.
Beacon Interval
The beacon interval is the amount of time between access point beacons in
mini-seconds. The default beacon interval is 100.
Broadcast SSID
Broadcasting the SSID will let your wireless clients find the device
automatically. If you are building a public Wireless Network, disable this
function can provide better security. Every wireless stations located within the
coverage of the device must connect this device by manually configure the
SSID in your client settings.
Int. Roaming
This function will let Wireless Stations roam among a network environment
with multiple devices. Wireless Stations are able to switch from one device to
another as they move between the coverage areas. Users can have more
wireless working range. An example as the following figure
You should comply with the following instructions to roam among the wireless
coverage areas.
Note： For implementing the roaming function, the setting MUST comply the
following two items.
All the devices must be in the same subnet network and the SSID must
be the same.
z If you use the 802.1x authentication, you need to have the user profile
in these devices for the roaming station.
Ethernet
DEV1
DEV2
Wireless Station moves
between the coverage areas
29
Block WLAN Relay (Isolate Client)
The device supports isolation function. If you are building a public Wireless
Network, enable this function can provide better security. The device will block
packets between wireless clients (relay). All the wireless clients connected to
the device can’t see each other.
Transmit Power
The device supports four transmission output power levels 250, 200, 150 and
100mW for CCK (802.11b) mode and two transmission output power levels
100 and 50mW for OFDM (802.11g) mode. User can adjust the power level to
change the coverage of the device. Every wireless stations located within the
coverage of the device also needs to have the high power radio. Otherwise the
wireless stations only can survey the device, but can’t establish connection
with device.
30
Configuring Wireless Security
This device provides complete wireless security function include WEP, 802.1x,
WPA-TKIP, WPA2-AES and WPA2-Mixed in different mode (see the Security
Support Table).
The default security setting of the encryption function is disabled. Choose your
preferred security setting depending on what security function you need.
WEP Encryption Setting
Wired Equivalent Privacy (WEP) is implemented in this device to prevent
unauthorized access to your wireless network. The WEP setting must be as
same as each client in your wireless network. For more secure data
transmission, you can change encryption type to “WEP” and click the “Set
WEP Key” button to open the “Wireless WEP Key setup” page.
When you decide to use the WEP encryption to secure your WLAN, please
31
refer to the following setting of the WEP encryption:
64-bit WEP Encryption：64-bit WEP keys are as same as the encryption
method of 40-bit WEP. You can input 10 hexadecimal digits (0~9, a~f or
A~F) or 5 ACSII chars.
128-bit WEP Encryption：128-bit WEP keys are as same as the
encryption method of 104-bit WEP. You can input 26 hexadecimal digits
(0~9, a~f or A~F) or 10 ACSII chars.
The Default Tx Key field decides which of the four keys you want to use in
your WLAN environment.
WEP Encryption with 802.1x Setting
The device supports external RADIUS Server that can secure networks
against unauthorized access. If you use the WEP encryption, you can also use
the RADIUS server to check the admission of the users. By this way every
user must use a valid account before accessing the Wireless LAN and
requires a RADIUS or other authentication server on the network. An example
is shown as following.
Ethernet
ZWA-G120
RADIUS Server
Wireless Station
You should choose WEP 64 or 128 bit encryption to fit with your network
environment first. Then add user accounts and the target device to the
RADIUS server. In the device , you need to specify the IP address、Password
(Shared Secret) and Port number of the target RADIUS server.
32
WPA Encryption Setting
WPA feature provides a high level of assurance for end-users and
administrators that their data will remain private and access to their network
restricted to authorized users. You can choose the WPA encryption and select
the Authentication Mode.
WPA Authentication Mode
This device supports two WPA modes. For personal user, you can use the
Pre-shared Key to enhance your security setting. This mode requires only an
access point and client station that supports WPA-PSK. For Enterprise,
authentication is achieved via WPA RADIUS Server. You need a RADIUS or
other authentication server on the network.
Enterprise (RADIUS):
When WPA Authentication mode is Enterprise (RADIUS), you have to add
user accounts and the target device to the RADIUS Server. In the device ,
you need to specify the IP address、Password (Shared Secret) and Port
number of the target RADIUS server.
Pre-Share Key:
This mode requires only an access point and client station that supports
WPA-PSK. The WPA-PSK settings include Key Format, Length and Value.
They must be as same as each wireless client in your wireless network.
When Key format is Passphrase, the key value should have 8~63 ACSII
chars. When Key format is Hex, the key value should have 64 hexadecimal
digits (0~9, a~f or A~F).
33
Configuring as WLAN Client Adapter
This device can be configured as a wireless Ethernet adapter. In this mode,
the device can connect to the other wireless stations (Ad-Hoc network type)
or Access Point (Infrastructure network type) and you don’t need to install
any driver.
Quick start to configure
Step 1. In “Basic Settings” page, change the Mode to “Client” mode. And key in the
SSID of the AP you want to connect then press “Apply Changes” button to
apply the change.
Step 2. Check the status of connection in “Status” web page
34
The alternative way to configure as following:
Step 1. In “Wireless Site Survey” page, select one of the SSIDs you want to
connect and then press “Connect” button to establish the link.
Step 2. If the linking is established successfully. It will show the message
“Connect successfully”. Then press “OK”.
Step 3. Then you can check the linking information in “Status” page.
35
Note ：
If the available network requires authentication and data encryption, you need
to setup the authentication and encryption before step1 and all the settings
must be as same as the Access Point or Station. About the detail
authentication and data encryption settings, please refer the security section.
Authentication Type
In client mode, the device also supports two Authentication Types “Open
system” and “Shared Key”. Although the default setting is “Auto”, not every
Access Points can support “Auto” mode. If the authentication type on the
Access Point is knew by user, we suggest to set the authentication type as
same as the Access Point.
Data Encryption
In client mode, the device supports WEP and WPA Personal/Enterprise
except WPA2 mixed mode data encryption. About the detail data encryption
settings, please refer the security section.
36
Ch 3. Configuring WDS
Wireless Distribution System (WDS) uses wireless media to communicate
with the other devices, like the Ethernet does. This function allows one or
more remote LANs connect with the local LAN. To do this, you must set
these devices in the same channel and set MAC address of other devices
you want to communicate with in the WDS AP List and then enable the
WDS.
When you decide to use the WDS to extend your WLAN, please refer the
following instructions for configuration.
The bridging devices by WDS must use the same radio channel.
When the WDS function is enabled, all wireless stations can’t connect
the device.
If your network topology has a loop, you need to enable the 802.1d
Spanning Tree function.
You don’t need to add all MAC address of devices existed in your
network to WDS AP List. WDS AP List only needs to specify the MAC
address of devices you need to directly connect to.
The bandwidth of device is limited, to add more bridging devices will
split the more bandwidth to every bridging device.
WDS network topology
In this section, we will demonstrate the WDS network topologies and WDS
AP List configuration. You can setup the four kinds of network topologies:
bus, star, ring and mesh.
In this case, there are five devices with WDS enabled: WDS1, WDS2,
WDS3, WDS4 and WDS5.
Bus topology:
Device
WDS1
WDS2
WDS3
WDS4
WDS5
Entries of WDS AP List
The MAC Address of WDS2
The MAC Addresses of WDS1 and WDS3
The MAC Addresses of WDS2 and WDS4
The MAC Addresses of WDS3 and WDS5
The MAC Address of WDS4
Spanning Tree
Protocol Required
No
No
No
No
No
37
Star topology:
Device
Entries of WDS AP List
WDS1
The MAC Addresses of WDS2, WDS3, WDS4
and WDS5
The MAC Address of WDS1
The MAC Address of WDS1
The MAC Address of WDS1
The MAC Address of WDS1
WDS2
WDS3
WDS4
WDS5
Spanning Tree
Protocol Required
No
No
No
No
No
Ring topology:
Device
WDS1
WDS2
WDS3
WDS4
WDS5
Entries of WDS AP List
The MAC Addresses of WDS2 and WDS5
The MAC Addresses of WDS1 and WDS3
The MAC Addresses of WDS2 and WDS4
The MAC Addresses of WDS3 and WDS5
The MAC Addresses of WDS4 and WDS1
Spanning Tree
Protocol Required
Yes
Yes
Yes
Yes
Yes
38
Mesh topology：
LAN 1
WDS #1
LAN 5
LAN 2
WDS #2
WDS #5
WDS #4
LAN 4
WDS #3
LAN3
Device
Entries of WDS AP List
WDS1
WDS2
WDS3
WDS4
WDS5
The MAC Addresses of WDS2, WDS3, WDS4 and WDS5
The MAC Addresses of WDS1, WDS3, WDS4 and WDS5
The MAC Addresses of WDS1, WDS2, WDS4 and WDS5
The MAC Addresses of WDS1, WDS2, WDS3 and WDS5
The MAC Addresses of WDS1, WDS2, WDS3 and WDS4
Spanning Tree
Protocol Required
Yes
Yes
Yes
Yes
Yes
WDS Application
Wireless Repeater
Wireless Repeater can be used to increase the coverage area of another
device (Parent AP). Between the Parent AP and the Wireless Repeater,
wireless stations can move among the coverage areas of both devices.
When you decide to use the WDS as a Repeater, please refer the following
instructions for configuration.
z In AP mode, enable the WDS function.
z You must set these connected devices with the same radio channel and
SSID.
z Choose “WDS+AP” mode.
z Using the bus or star network topology.
39
Ethernet
Wireless station
AP
Description
Access Point
Repeater
Repeater
Entries of WDS AP List
The MAC Address of Repeater
The MAC Address of Access Point
Spanning Tree
Protocol Required
Yes
Yes
Wireless Bridge
Wireless Bridge can establish a wireless connection between two or more
Wired LANs. When you decide to use the WDS as a Wireless Bridge, please
refer the following instructions for configuration.
In AP mode, enable the WDS function.
You must set these connected devices with the same radio channel, but
you may use different SSID.
Choose “WDS” mode for only wireless backbone extension purpose.
You can use any network topology, please refer the WDS topology
section.
40
Ch 4. Advanced Configurations
Configuring LAN to WAN Firewall
Filtering function is used to block packets from LAN to WAN. The device
supports three kinds of filter Port Filtering, IP Filtering and MAC Filtering. All
the entries in current filter table are used to restrict certain types of packets
from your local network to through the device. Use of such filters can be
helpful in securing or restricting your local network.
Port Filtering
When you enable the Port Filtering function, you can specify a single port
or port ranges in current filter table. Once the source port of outgoing
packets match the port definition or within the port ranges in the table, the
firewall will block those packets from LAN to WAN.
IP Filtering
When you enable the IP Filtering function, you can specify local IP
Addresses in current filter table. Once the source IP address of outgoing
packets match the IP Addresses in the table, the firewall will block this
packet from LAN to WAN.
41
MAC Filtering
When you enable the MAC Filtering function, you can specify the MAC
Addresses in current filter table. Once the source MAC Address of
outgoing packets match the MAC Addresses in the table, the firewall will
block this packet from LAN to WAN.
Configuring Port Forwarding (Virtual
Server)
This function allows you to automatically redirect common network services
to a specific machine behind the NAT firewall. These settings are only
necessary if you wish to host some sort of server like a web server or mail
server on the private local network behind the device's NAT firewall.
The most often used port numbers are shown in the following table.
Services
ECHO
FTP (File Transfer Protocol)
Telnet
SMTP (Simple Mail Transfer Protocol)
DNS (Domain Name System)
Finger
HTTP (Hyper Text Transfer Protocol)
Port Number
21
23
25
53
79
80
42
POP3 (Post Protocol)
NNTP (Network News Transport Protocol)
SNMP (Simple Network Management Protocol)
SNMP trap
SIP (Session Initiation Protocol)
PPTP (Point-to-Point Tunneling Protocol)
110
119
161
162
5060
1723
Multiple Servers behind NAT Example:
In this case, there are two PCs in the local network accessible for outside
users.
Configuring DMZ
A Demilitarized Zone is used to provide Internet services without
sacrificing unauthorized access to its local private network. Typically, the
DMZ host contains devices accessible to Internet traffic, such as Web
(HTTP) servers, FTP servers, SMTP (e-mail) servers and DNS servers.
So that all inbound packets will be redirected to the computer you set. It
also is useful while you run some applications (ex. Internet game) that use
uncertain incoming ports.
43
Enable DMZ:
DMZ Host IP Address:
Enable the “Enable DMZ”, and then click “Apply Changes” button to
save the changes.
Input the IP Address of the computer that you want to expose to
Internet.
Configuring WAN Interface
The device supports four kinds of IP configuration for WAN interface,
including Static IP, DHCP Client, PPPoE and PPTP. You can select one of
the WAN Access Types depend on your ISP required. The default WAN
Access Type is “Static IP”.
44
Static IP
You can get the IP configuration data of Static-IP from your ISP. And you
will need to fill the fields of IP address, subnet mask, gateway address,
and one of the DNS addresses.
IP Address:
Subnet Mask:
Default Gateway:
DNS 1~3:
Clone MAC
Address:
Enable uPnP:
The Internet Protocol (IP) address of WAN interface provided by your
ISP or MIS. The address will be your network identifier besides your
local network.
The number used to identify the IP subnet network, indicating whether
the IP address can be recognized on the LAN or if it must be reached
through a gateway.
The IP address of Default Gateway provided by your ISP or MIS.
Default Gateway is the intermediate network device that has knowledge
of the network IDs of the other networks in the Wide Area Network, so it
can forward the packets to other gateways until they are delivered to the
one connected to the specified destination.
The IP addresses of DNS provided by your ISP.
DNS (Domain Name Server) is used to map domain names to IP
addresses. DNS maintain central lists of domain name/IP addresses and
map the domain names in your Internet requests to other servers on the
Internet until the specified web site is found.
Clone device MAC address to the specify MAC address required by your
ISP
Enable uPnP, this function allows the device to be found and configured
automatically by the system. (Ex. Window XP)
45
DHCP Client (Dynamic IP)
All IP configuration data besides DNS will obtain from the DHCP server
when DHCP-Client WAN Access Type is selected.
DNS1~3:
The IP addresses of DNS provided by your ISP.
DNS (Domain Name Server) is used to map domain names to IP
addresses. DNS maintain central lists of domain name/IP
addresses and map the domain names in your Internet requests
to other servers on the Internet until the specified web site is
found.
Clone MAC
Address:
Clone device MAC address to the specify MAC address required
by your ISP
Enable uPnP:
Enable uPnP, this function allows the device to be found and
configured automatically by the system. (Ex. Window XP)
PPPoE
When the PPPoE((Point to Point Protocol over Ethernet) WAN Access
Type is selected, you must fill the fields of User Name, Password provided
by your ISP. The IP configuration will be done when the device
successfully authenticates with your ISP.
46
User Name:
The account provided by your ISP
Password:
The password for your account.
Connect Type:
“Continuous “ : connect to ISP permanently
“Manual” : Manual connect/disconnect to ISP
“On-Demand” : Automatically connect to ISP when user need to
access the Internet.
Idle Time:
The number of inactivity minutes to disconnect from ISP. This
setting is only available when “Connect on Demand” connection
type is selected.
MTU Size:
Maximum Transmission Unit, 1412 is the default setting, you may
need to change the MTU for optimal performance with your specific
ISP.
DNS1~3:
The IP addresses of DNS provided by your ISP.
DNS (Domain Name Server) is used to map domain names to IP
addresses. DNS maintain central lists of domain name/IP
addresses and map the domain names in your Internet requests to
other servers on the Internet until the specified web site is found.
Clone MAC
Address:
Clone device MAC address to the specify MAC address required
by your ISP.
Enable UPnP:
Enable UPnP, this function allows the device to be found and
configured automatically by the system. (Ex. Window XP)
PPTP
Point to Point Tunneling Protocol (PPTP) is a service that applies to
connections in Europe only
47
IP Address:
Subnet Mask:
Server IP Address:
(Default Gateway)
User Name:
Password:
MTU Size:
DNS1~3:
Clone MAC Address:
Enable uPnP:
The Internet Protocol (IP) address of WAN interface provided by
your ISP or MIS. The address will be your network identifier
besides your local network.
The number used to identify the IP subnet network, indicating
whether the IP address can be recognized on the LAN or if it
must be reached through a gateway.
The IP address of PPTP server
The account provided by your ISP
The password of your account
Maximum Transmission Unit, 1412 is the default setting, you
may need to change the MTU for optimal performance with your
specific ISP.
The IP addresses of DNS provided by your ISP.
DNS (Domain Name Server) is used to map domain names to IP
addresses. DNS maintain central lists of domain name/IP
addresses and map the domain names in your Internet requests
to other servers on the Internet until the specified web site is
found.
Clone device MAC address to the specify MAC address required
by your ISP.
Enable uPnP, this function allows the device to be found and
configured automatically by the system. (Ex. Window XP)
Configuring Clone MAC Address
The device provides MAC address clone feature to fit the requirement of
some ISP need to specify the client MAC address.
Physical WAN interface MAC Address clone
1. Clone MAC address for DHCP Client WAN access type
48
2.
Clone MAC address for Static IP WAN access type
3.
Clone MAC address for PPPoE WAN access type
49
4.
Clone MAC address for PPTP WAN access type
5.
Physical LAN interface MAC address clone
Configuring DHCP Server
1.
2.
3.
To use the DHCP server inside the device, please make sure there is no other
DHCP server existed in the same network as the device.
Enable the DHCP Server option and assign the client range of IP addresses as
following page.
When the DHCP server is enabled and also the device router mode is enabled
50
then the default gateway for all the DHCP client hosts will set to the IP
address of device.
Using CLI Menu
Start a SSH(Secure Shell) client session to login the device
The SSH server daemon inside device uses well-known TCP port 22.
User must use SSH client utility such like Putty to login the device. The
default password for user “root” is “qwert”, once user login the device
then can change the password by CLI command.
Execute CLI program
This program won’t execute automatically when user login the device.
User must manually execute it by typing the case-sensitive command
“cli”. Please note that any modified settings won’t save permanently
until user “Apply Changes to Flash” or reboot it. The new settings
modified by CLI will take effect after rebooting the device.
Menu Tree List
The System Management
Password Protection
Both Web-Browser and SSH configuration interfaces have password
protection.
51
To disable the Web-Browser password protection just leave the “User
Name” field to blank then click “Apply Changes” button.
To change the password of user “root” for SSH session, please use the
CLI menu item G. System SettingÆA. Root Password
About SNMP Agent
This device is compatible with SNMP v1/v2c and provide standard MIB II.
Currently only the “public” community string is available and the modified
settings by SNMP SET request will be lost after rebooting the device.
Firmware Upgrade
Firmware Types
The firmware for this device is divided into 2 parts, one is web pages
firmware the other is application firmware, and the naming usually are
g120webpage.bin and g120linux.bin. To upgrade firmware, we
suggest user first upgrade the application firmware then web pages
firmware.
Upgrading Firmware
The Web-Browser upgrading interface is the simplest and safest way
for user, it will check the firmware checksum and signature, and the
wrong firmware won’t be accepted. After upgrading, the device will
reboot and please note that depends on the version of firmware, the
upgrading may cause the device configuration to be restored to the
factory default setting, and the original configuration data will be lost!
52
To upgrade firmware, just assign the file name with full path then click
“Upload” button as the following page.
Memory Limitation
To make sure the device have enough memory to upload firmware,
the system will check the capacity of free memory, if the device lack of
memory to upload firmware, please temporarily turn-off some functions
then reboot the device to get enough memory for firmware uploading.
Configuration Data Backup & Restore
Rest Setting to Factory Default Value
Since the device is designed for outdoor used, there is no interface
outside the housing to reset the configuration value to the factory
default value. The device provides the Web-Browser interface to rest
the configuration data. After resetting it, the current configuration data
will be lost and restored to factory default value.
Saving & Restoring Configuration Data
To save & restore configuration data of device, just assign the target
filename with full path at your local host, then you can backup
configuration data to local host or restore configuration data to the
device.
53
You are cautioned that changes or modifications not expressly approved by the party responsible for
compliance could void your authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a class B digital device,
pursuant to part 15 of the FCC rules. These limits are designed to provide to provide reasonable
protection against harmful interference in a residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed and used in accordance with the installation. ,
May cause harmful interference to radio communication. However, there is no guarantee that
interference
Will not occur in a particular installation. if this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna
-Increase the separation between the equipment and receiver
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected
-Consult the dealer or an experienced radio / TV technician for help
FCC RF radiation exposure statement:
1.
This transmitter must not be co-located or operating in conjunction with any other antenna or
transmitter.
2.
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with a minimum distance of 20
centimeters between the radiator and your body.

---

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