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19 Colindale avenue, London NW9 5DS

HTTP://www.zcomax.co.uk

Tel: +4420 8982 8200

Chapter 8. Troubleshooting

In this article we will look at how to tackle some common wireless network problems that

people come across. This document will outline the steps you should take if you encounter

one of the mentioned issues.

1. I do not know if my IP Address from my ISP is Static or Dynamic.

Possible Solution:

If you have cable or DSL service, you most likely have a Dynamic IP address. You should

always check with your service provider to verify this information, since some providers will

assign Static IP addresses. If you have a Dynamic IP address, select Obtain IP Automatically

in the WAN Setup area of the HTML Web User Interface, and the Wireless AG-3621 Access

Point will automatically obtain the information it needs from your service provider. If you have

a Static IP address, select Specify IP in the WAN Setup area of the HTML Web User Interface.

If you are using PPPoE, you must specify PPPoE and select either static or dynamic IP

addressing.

My Web User Interface is not responding, but I can still access the Internet.

Possible Solution:

If your Web User Interface stops responding, ping your AP IP address to check whether

“reply” is obtained, or unplug and then plug back in the power supply of the Wireless AG-3621

Access Point. This will reboot the Wireless AG-3621 Access Point. If you are still unable to

communicate with the Web User Interface, press in and hold the RESET button for between

five and ten seconds. This will reset the Wireless AG-3621 Access Point to the factory default

settings. If you applied any personal configuration settings, you will need to make the

changes again.

3. The Wireless LAN activity light does not light up.

Possible Solution:

• If the Wireless LAN activity light stays off, disconnect the adapter from its power source and

then plug it in again.

• Make sure the antennas are tightly connected to the AG-3621

• Contact Zcomax (UK) Limited support if the Wireless LAN activity light remains off.

Содержание AG-3621

Страница 1: ...Reference Manual for the ZComax Enterprise Class 802 11a b g Wireless Access Point 1 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 2: ...TIES 21 TIME SERVER 21 BRIDGE ROUTER MODE 22 ANY IP 23 UNDERSTANDING RADIUS SETTINGS 24 FIREWALL MANAGEMENT 27 VIRTUAL SERVER 29 CHAPTER 5 WIRELESS SETUP 31 OPERATING MODE 32 VAP VLAN SETTINGS 34 Overview 34 UNDERSTANDING WEP WPASECURITY OPTIONS 36 ACCESS CONTROL 38 WDS MODE 38 SMART WDS 39 ADVANCED SETTINGS 40 Wi Fi Multi media WMM 40 Super G and wireless parameters 41 CHAPTER 6 MANAGINGAND TESTI...

Страница 3: ...APTER 9 WARRANTY INFORMATION 58 CHAPTER 10 REGULATORY INFORMATION 60 FCC STATEMENT 60 CHAPTER 11 CONTACT INFORMATION 61 3 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 4: ...n of Zcomax UK Limited Corporation Preface About This Manual This manual explains Zcomax UK Limited enterprise class AG 3621 access point Document Conventions AP refers to an access point STA refers to a station ETH refers to a PC The following special notations are used Note This indicates an important Note Bold Indicates the function important words and so on 4 CONFIDENTIAL All right reserved by...

Страница 5: ...ariety of environment This Access points serves as the connection point between wireless and wired networks or as the center point of a stand alone wireless network In large installations wireless users within radio range of an access point can roam throughout a facility while maintaining seamless uninterrupted access to the network You can configure and monitor the access point using the command ...

Страница 6: ...t to Point Bridge 4 Wireless Repeater 5 Inter building Repeater mode Configure the access point as a wireless repeater to extend the coverage area of your wireless network VAPs Assign Multi SSIDs on your access point one SSID per VAP to differentiate policies and services among users forming a wide variety of VLANs QoS Use this feature to support quality of service for prioritizing traffic from th...

Страница 7: ...ackage or one like it A 230 V 50 HZ AC power source A Web browser for configuration such as Microsoft Internet Explorer 6 0 or above or Netscape Navigator 4 78 or above At least one computer with the TCP IP protocol installed What s In the Box Zcomax UK Limited Wireless Access Point 802 11a b g AG 3621 Power adapter and cord Two Dual Band Omni directional antennas AG 3621 11a b g Wireless Access P...

Страница 8: ...at entering boot code mode TEST Blink 1 Reset button is pressed around 3 seconds slow blinking 2 Reset button is pressed after 3 seconds fast blinking 3 Whlie you upgrade firmware or reset to factory default the TEST LED is blinking After firmware is upgraded or reset to factory default the Access Point will reboot automatically Off 10 Mbps Ethernet link is detected but no activity LAN 100 On 100M...

Страница 9: ...o optimize the results place your wireless access point Near the center of the area in which your PCs will operate In an elevated location such as a high shelf where the wirelessly connected PCs have line of sight access even if through walls Away from sources of interference such as PCs microwaves and 2 4 GHz cordless phones Away from large metal surfaces Putting the antenna in a vertical positio...

Страница 10: ... password Access Point Name APxxxxxx xxxxxx represents the last 6 digits of MAC address Country Region United States Router Mode Bridge IP Type static IP IP Address 192 168 1 1 IP Subnet Mask 255 255 255 0 Default Gateway 0 0 0 0 Operating Mode Access Point Wireless Mode 802 11a Channel Frequency 52 5 260GHz 10 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTT...

Страница 11: ...reless networks are easy to find Hackers know that in order to join a wireless network wireless networking products first listen for beacon messages These messages can be easily decrypted and contain much of the network s information such as the network s SSID Service Set Identifier Security Options There are several ways you can enhance the security of your wireless network Restrict Access Based ...

Страница 12: ... wireless clients will not be able to communicate with each other if this feature is enabled The default setting is Disable 12 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 13: ...ttings b Configure the computer with a static IP address of 192 168 1 x x cannot be 1 and 255 255 255 0 for the Subnet Mask c Connect an Ethernet cable from the AG 3621 to the computer d Turn on your computer connect the power adapter to the AG 3621 and verify the following The PWR power light goes on The LAN light of the wireless access point is lit when connected to a powered on computer 2 2 CON...

Страница 14: ...and password for password both in low cases 3 Clicking Login now it will navigate you into AG 3621 s homepage General Information will be shown below 14 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 16: ...l Note Consult the antenna positioning and wireless mode configuration information in the Advanced Configuration chapter of the Reference Manual c Connect an Ethernet cable from your AG 3621 Access Point to a LAN port on your router switch or hub d Connect the power adapter to the wireless access point and plug the power adapter in to a power outlet The PWR LAN and Wireless LAN lights should light...

Страница 17: ...names are helpful especially if you are employing multiple access points on the same network The default name is APxxxxxx MAC Address Short for Media Access Control address a hardware address that uniquely identifies each node of a network 17 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Country Region This field identifies the region whe...

Страница 18: ...e SSID when connected Bridge The AG 3621 acts as a bridge connecting APs Two bridge modes are available below Point to Multi Point Bridge Select this only if this AG 3621 is the Master for a group of bridges The other bridge must use this AG 3621 MAC address They then send all traffic to this Master rather than communicate directly with each other WEP should be used to protect this traffic Wireles...

Страница 19: ...Note If the wireless access point is rebooted the table data is lost until the wireless access point rediscovers the devices Statistics The statistics provide various LAN and WAN statistics Figure 3 3 AG 3622 statistics 19 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 20: ...ted Broadcast Packets The Broadcast packets sent since the AG 3621 was restarted Multicast Packets The Multicast packets sent since the AG 3621 was restarted Total Packets The Wireless packets sent since the AG 3621 was restarted Wireless Total Bytes The Wireless bytes sent since the AG 3621 was restarted 20 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP w...

Страница 21: ...e Sever provides correct and current time in any world time zone country or major city Accurate adjustments for Daylight Saving Time or Summer Time are made according to each location s rules and laws Time Server Port This field identifies the time server port like 123 Time Zone Select the time zone location for your setting Current Time This field identifies the current time in your specific time...

Страница 22: ...nning Tree Enabling spanning tree can prevent undesirable loops in the network ensuring a smooth running network By default the function is enabled Router Mode Under Router Mode the AG 3621 has two ports WAN port and LAN ports If your network has a requirement to use a different IP addressing scheme you can make those changes in this menu These settings are only required if the Refresh is chosen R...

Страница 23: ...et surf Please refer to the diagram below Take the steps to activate the functionality STA1 PC DUT Any IP Enabled STA2 1 Configure the AG 3621 as router mode 2 Make sure your station connected to the AP 3 Set correct IP parameters for the AP 4 Enable any IP 23 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 24: ... or WAN Secondary Radius Server IP Address This field is optional Enter the IP address of the Secondary Radius Server on your LAN Radius Port Enter the port number used for connections to the Radius Server Radius Shared Key Enter the desired value for the Radius shared key This key enables the AG 3621 to log in to the Radius server and must match the value used on the Radius server Radius Accounti...

Страница 26: ...sired web that first appear when someone is surfing on internet via a station connected to your AP for internet surf CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk 26 The following is the HTTP Redirect Settings Figure 4 4 AG 3621 HTTP Redirect settings URL Enter your desired website in this field Be sure to click Apply to save the configur...

Страница 27: ...nly delivering the wanted for your PC Click the firewall link and you ll be navigated to Firewall Management interface Figure 4 5 AG 3621 firewall management Before applying the firewall management you need enable firewall Here we ll discuss Firewall Name Enter your desired firewall rule name in this field Allow This field identifies which packets have IP addresses specified by you are allowed to ...

Страница 28: ... indicates you restrict no protocol to perform Allow or Deny Port Range This specifies your IP port range Schedule You can set time when your AP performs firewall management by enabling from Alternatively if you desire your AP to perform firewall management for a long time please enable always When completing all firewall rules configuration please click Add Rule Firewall Rule List will appear bel...

Страница 29: ...ualization technology is engineered for heterogeneous network Please refer to the following diagram Under router mode designed for the virtual server the AP is wirelessly coupled to FTP server mail server and log server on LAN port on WAN port the AP is coupled to PC The AP is the virtual server so that you have access to download files enjoy e mails or undertake others only via your PC STA1 FTP S...

Страница 30: ...ies your WAN port Schedule You can set time limit when your AP acts as a virtual server by enabling from Alternatively if you desire your AP to act as a virtual server for a long time please enable always When completing configuration of your virtual server please click Add Rule to save the setting Virtual Server List This provides you with the detailed list of virtual servers 30 CONFIDENTIAL All ...

Страница 31: ...werful wireless function Basic Settings The versatile AG 3621 access point proves adequate to five operating modes for your various purposes Figure 5 1 31 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 32: ...nd wireless station You must enter the MAC address of both adjacent wireless bridges in the fields provided WEP should be used to protect this communication Inter building This is Zcomax UK Limited own brand of WDS mode Under this mode AG 3621 will automatically connect XI 1500 without manually entering MAC address for each other SSID The SSID is the unique name shared among all devices in a wirel...

Страница 33: ...unless you notice interference problems or setting up the AG 3621 near another access point Data Rate Shows the available transmit data rate of the wireless network The default is Best Output Power Set the transmit signal strength of the access point The options are full half quarter eighth and min Decrease the transmit power if more than one AP is collocated using the same channel frequency The d...

Страница 34: ...uk 34 Under this mode the AG 3621 access point can behave as 8 virtual Wireless LAN infrastructures You can specify unique SSID for these different infrastructures For example VLAN1 contains ETH1 and STA1 VLAN2 contains ETH2 and STA2 and so on However they all share the same AG 3621 and undertake different tasks Some VLANs can be used for guest Internet access others for enterprise users and admin...

Страница 35: ...le by clicking Edit Such configuration as configuring profile name SSID enabling broadcast SSID or doing security 35 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 36: ... create WEP encryption keys Passphrase Passphrase functions as automatically case sensitive characters However not all wireless adapters support passphrase key generation Manual These values are not case sensitive 64 bit WEP enter 10 hexadecimal digits any combination of 0 9 a f or A F 128 bit WEP enter 26 hexadecimal digits any combination of 0 9 a f or A F 152 bit WEP enter 32 hexadecimal digits...

Страница 37: ... Encryption Standard AES for encryption keys WPA PSK WPA 2 PSK You may have the option of WPA PSK associated with TKIP Alternatively you can select WPA2 PSK associated with AES 37 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 38: ...at unknown STAs cannot wirelessly connect to the AG 3621 by turning Access Control on By entering MAC Address of new stations you can manually add the stations to allow them to be connected to the AG 3621 WDS Mode In a Wireless Distribution System WDS mode multiple access points can be configured to operate in the WDS mode to inter connect wired LAN segments that are attached to the AG 3621 access...

Страница 39: ...he AG 3621 and other devices by entering the value in uplink speed limit The most speed available is 1687 64Kbps 105 4375Mbps Smart WDS Under bridge mode enabling smart WDS the AG 3621 access point can sniff other AG3621 around him and automatically connect those that work in the same channel WDS Service Group ID 39 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5D...

Страница 40: ...esidential market Voice over Internet Protocol VoIP video streaming music streaming and interactive gaming are among the most anticipated applications In enterprise and public networks support for VoIP real time streaming of audio and video content as well as traffic management allows network owners to invent advanced methods to offer a richer and more diverse set of services WMM prioritizes traff...

Страница 41: ...eshold The packet size used to determine whether it should use the CSMA CD Carrier Sense Multiple Access with Collision Detection or the CSMA CA Carrier Sense Multiple Access with Collision Avoidance mechanism for packet transmission Fragmentation Length This is the maximum packet size used for fragmentation Packets larger than the size programmed in this field will be fragmented The Fragment Thre...

Страница 42: ...a Select the desired antenna for transmitting and receiving Auto is the default 42 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 43: ...ected to your AG 3621 when it acts as a station In terms of each connected AP Site Survey offers you their personal information including SSID BSSID RSSI channel mode connection status and encryption 43 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 44: ...twork WLAN ranging from o to 99 Remote Antenna Gain 0 99 This indicates extended coverage provided by the remote AG 3621 for an existing 802 11a b g wireless local area network WLAN ranging from o to 99 Test Interval 1 60000 This provides testing time Test Packet Size 64 1514 This tests the size of packet transmitted between the two AG 3621 access points ranging from 64 to 1514 Test Time 60 86400 ...

Страница 45: ... used password in the current field Enter your new password in the New Password field Re enter the new password to confirm it in the Repeat New Password field Finally click Apply to save the change Also if you desire to restore to the factory set password please click Yes The default setting is disabled 45 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www...

Страница 46: ...e SSH relatively easy to use and are available on most computers including those that run Windows or a type of UNIX SSH clients are also available on some handheld devices SSH on the access point is enabled by default When user manager is enabled SSH uses the same usernames and passwords established by the user manager The applicability of SSH for the AG 3621 access point allows you to have insigh...

Страница 47: ...ion enter IP address in host name field and port number in port field Also select SSH as protocol Figure 8 3 2 Press Open and the screen below should appear 47 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 48: ... you have access to administrate your AG 3621 remotely Read Community Name You have access to read rather than write The default name is public Write Community Name The default name is private Take the steps below to manage your AG 3621 via SNMP 1 Enter ftp 192 168 1 1 then in turn enter admin and password and finally enter get Jupiter mib to get Jupiter MIB The AG 3621 software is called Jupiter ...

Страница 49: ...en jupter mib and compile the file by enabling compile Jupiter mib on tools menu Save the compiled files to your disk 49 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 50: ...Figure 8 6 3 Load the file to SNMP station Your screen will appear 50 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 51: ...atabase Query page Step 1 Click Get The current value for the setting appears in the Value field Step 2 Modify the value in the Value field Step 3 Click Set The new value is set on the access point 51 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 52: ... first extract the image RMG file before sending it to the wireless access point The upgrade file can be sent using your browser Note The Web browser used to upload new firmware into the AG 3621 must support HTTP uploads such as Microsoft Internet Explorer 6 0 or above or Netscape Navigator 4 78 or above 1 Download the new software file from Zcomax UK Limited save it to your hard disk and unzip it...

Страница 53: ... settings by enabling AG 3621 s Backup function Retrieve Retrieve button allows you to retrieve your backup files Restore This button can be used to clear ALL data and restore ALL settings to the factory default values 53 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 54: ...Server IP address The access point will send all the SysLog to the specified IP address if SysLog option is enabled Default 0 0 0 0 Port The port number configured in the SysLog server on your network Default 514 54 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 55: ...cases if you want to reboot AG 3621 click Yes and then apply AG 3621 will reboot Figure 8 10 55 CONFIDENTIAL All right reserved by Zcomax uk ltd 19 Colindale avenue London NW9 5DS HTTP www zcomax co uk Tel 4420 8982 8200 ...

Страница 56: ...cify IP in the WAN Setup area of the HTML Web User Interface If you are using PPPoE you must specify PPPoE and select either static or dynamic IP addressing 2 My Web User Interface is not responding but I can still access the Internet Possible Solution If your Web User Interface stops responding ping your AP IP address to check whether reply is obtained or unplug and then plug back in the power su...

Страница 57: ...n at the access point and the network device hub switch or router A switch hub or router must be installed between the access point and the Ethernet LAN or broadband modem Make sure the connected device is turned on Be sure the correct cable is used Use a standard Category 5 Ethernet patch cable If the network device has Auto Uplink MDI MDIX ports you can use either a crossover cable or a normal p...

Страница 58: ...mited pays for UPS Ground shipping from Zcomax UK Limited back to You only ALL IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF THE WARRANTY PERIOD ALL OTHER EXPRESS OR IMPLIED CONDITIONS REPRESENTATIONS ANDWARRANTIES INCLUDING ANY IMPLIED WARRANTY OF NON INFRINGEMENT ARE DISCLAIMED Some jurisdictions do not allow limitations o...

Страница 59: ...F SUCH DAMAGES IN NO EVENT WILL ZCOMAX UK LIMITED LIABILITY EXCEED THE AMOUNT PAID BY YOU FOR THE PRODUCT The foregoing limitations will apply even if any warranty or remedy provided under this Agreement fails of its essential purpose Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to You Please d...

Страница 60: ...nna Increase the separation between the equipment or devices Connect the equipment to an outlet other than the receiver s Consult a dealer or an experienced radio TV technician for assistance FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with minimum distance 20cm...

Страница 61: ...max UK Limited products Give our advice line a call at Zcomax UK Limited Or fax your request in to If you experience problems with any Zcomax UK Limited product you can call us at Don t wish to call You can e mail us at support zcom com tw If any Zcomax UK Limited product proves defective during its warranty period you can call the Zcomax UK Limited Return Merchandise Authorization department for ...

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