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NETKROM AIR-BR500G/GH User`s Manual

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1. The guidelines below will help you to set up Netkrom AIR BR500G GH for using WEP Security Mode WEP At the WEP Setup page WEP Setup Select whether to use WEP 64bit or WEP 128 bit Se Click on Apply Netkrom AIR BR500G GH lets you define up to four different WEP keys Specify the key entry format by selecting either e Use Alphanumeric Characters e Use Hexadecimal Enter your WEP keys in the Key fields Security Mode WEP continued When using 64 bit encryption Your WEP key has to be either 5 alphanumeric characters or 10 hex characters long WEF setup c Tse Alphamenenc Characters a z AT 5 Use Hexadecimal aE A F Fey Rey 2 Eey 3 Rey ee Encrypt data with Keyl Nois Changes made wll only take qffect alter rmeboolinge Seve Reboot Hep aay Chapter 4 Common Configuration When using 128 bit encryption Your WEP key has to be either 13 alphanumeric characters or 26 hex characters long WEP setup Use Alphanumeric Characters 0 9 a z A Z O Use Hexadecimal 0 9 a f A F Key 1 Key 2 aS Key 3 Pra E Key 4 AAS Encrypt data with Keyl Note Changes made will only take effect after rebooting ee Select which of the keys defined to Encrypt data with Click on Save and Reboot your Netkrom AIR BR500G GH A Hexadecimal value can only take in numbers 0 9 and letters A F and is NOT case sensitive 52 Chapter 4 Common Configuration 4 5 2 How to s
2. To A Single TCP port Here you need only specify the Penaia Ton Single source port in the From field a From 25 E Any IP port You may here leave both the eee From as well as the To fields blank ny To From the Day of the Week drop down list select whether the rule Day ofthe Week should apply to From To A Range of days Here you will have to select Day of the Week From which day To which rem Mon Al day To Thy _i Any day In this case you may skip both Day ofthe Week the From as well as the To eon drop down fields To IP Filtering continued 85 Chapter 5 Further Configuration At the Time of the Day drop Time of the Day Range v hh 00 23 mm 00 59 down list you may also choose From to apply the rule to To A Range of time In which case you have to irae ofthe Day Range hh 00 23 mm 00 59 specify the time in the format From 08 00 __ hh mm HH MM where HH may take To 15 00 hh mm any value from 00 to 23 and MM any value from 00 to 59 any ime Time of the Day Any Y hh 00 23 mm 00 59 Here you may leave both EEE From hh mm From and To fields blank To hh mm Click on the Apply button to make the new rule effective The Filtering Configuration table will then be updated If you want to define more IP Filtering rules click on the Add button Delete IP Filtering We illustrated deleting the rul
3. cccccccssseesessseeeseeeeeeeeeeees 51 4 5 2 How to set up WPA PSK Available in AP Gateway mode ONLY 0 53 4 5 3 How to set up 802 1x RADIUS Available in Access Point mode ONLY 54 4 5 4 How to set up WPA EAP Available in Access Point mode ONLY 08 55 4 6 STP Setup available in AP Gateway MmoOde sscccssccscccccccccccccccccccssssssssccsscscsooes 57 AT SNMEP Sei reesi aE OEE oaa E aE eNA EO EE a aO Ee SESSE 63 4 9 MAC Filtern o esorare AEA A Aaaa 63 Chapter 5 Further Configuration sssssssssceccecccccccccsssssescceccoccccccosossseseccececesosssso 65 5 1 Setting up uConfig only in Gateway mode essessssssssseececcceccecocccssssssscecccccoocosssssssseccceoo 65 5 2 Configuring WAN Setup Available in Gateway and Wireless Routing Client mode 66 S2 ADV Wat Cl Picasa E 67 F SCAU TP a eee crepes te eas cate E Sit Gu beau wea ea ee E E 67 Ieee aP PEOR reee tO eee me EE er pee ee cine eer eprint ee er epee ee ee eer ere ae ete ee ee oes eat eee ee 68 D2 SEPO CADS Droi a E E R 70 320 Austa BPA Cabean a ent atbannte tena daeecretuaatens 71 IAO PPTP aee e aE EE E A E E E E A me I2 5 3 Using NAT Only available in Gateway and Wireless Routing Client mode 73 53 1 T setupa De Militarised Zone NOS Cite erst cahotor uate r EAE E 74 J92 TPOSCUUP POL TOR WAECIN e a a G 75 5 4 Routing Only available in Gateway and Wireless Routing Client mode 000 78
4. EERU N Novell End Capture Who m I Map Network Drive Disconnect Network Drive Create Shortcut Delete Rename Properties Chapter 3 Access to Web based Interface 2 Right click on your Ethernet adapter _ LAN or High Speed Internet and select Properties 4 ocal Area Connection nabled Firewalled aia Lai Disable status Repair Bridge Connections Create Shortcut Rename 3 Next select on Internet Protocol TCP IP and click on Properties button 13 Chapter 3 Access to Web based Interface Local Area Connection Properties F Qo5 Packet Scheduler AEGIS Protocol IEEE 802 1x v2 2 1 0 Install Description Transmission Control Protocol Intemet Protocol The default wide area network protocol that provides communication across diverse interconnected networks Show icon in notification area when connected 14 Chapter 3 Access to Web based Interface 4 Since the default IP address for your Netkrom AIR BRS500G GH is 192 168 168 1 we need to set your PC s IP address to be the same subnet as your access point Therefore in this example we assign an IP address of 792 168 168 100 and subnet mask as 255 255 255 0 Internet Protocol TCPAIP Properties General You can get F settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain an
5. s nodes Netkrom AIR BR500G GH Hardware Installation In three simple steps you may power ON and begin configuring Netkrom AIR BR500G GH 1 You can choose to connect the external antenna to the N connector of Netkrom AIR BR500G GH 2 Use the Ethernet cable to connect your PC to the socket labelled LAN on Netkrom AIR BR500G GH 3 Attach the power adapter to the main electrical supply and connect the power plug onto the socket on power over Ethernet injector You may turn the device ON Chapter 3 Access to Web based Interface Chapter 3 Access to Web based Interface There are two methods to access to the web based Interface of Netkrom AIR BR500G GH 3 1 Through our Netkrom AIR BR500G GH Utility uConfig You can access to the web based interface directly without the need to assign an IP address to your PC Enter IP address of Netkrom AIR BR500G GH in the address bar of Internet Explorer You need to assign an IP address to your PC such as 192 168 168 xxx where x can take any value from 2 to 254 so that it is in the same subnet as Netkrom AIR BR500G GH Access to the Web interface with uConfig Netkrom has developed a powerful uConfig utility which will provide you hassle free access to the web based configuration page It has been designed to give you direct access to the Web interface 4 Insert the Product CD into your CD ROM drive The CD will run automatically 5 From the Utilities section select to install
6. Ea The Delete MAC Address page Delete MAC address will appear to confirm whether you want to delete the selected i GroupID 1 client e1 08 a2 bb 2e f4 If you want to remove the client Mac Addr el Uera et4 M from the group Delete Click on Delete Else click on Apply Click on the corresponding Group checkbox to enable a particular VLAN If you enable Guest domain even those stations which are not identified in the MAC address list will still be allowed to access the Internet though they will not be able to communicate with each other 39 Chapter 4 Common Configuration 4 4 2 Wireless Setup The Wireless Distributed System WDS A distribution system links up several Netkrom AIR BRS500G GH s and the areas they serve creating a wider network in which mobile users can roam while still staying connected to the available network resources In a WDS Netkrom AIR BRSOOG GH can drive a cell of wired and wireless clients while at the same time connecting to other gateways This requires the operational frequency channel to be the same within the cell controlled by your gateway as well as for its wireless links to the other gateways 4 4 2 1 Star Configuration WDS In a star configuration WDS links are established between one root Netkrom AIR BRSOOG GH and several satellite gateways positioned to increase the area covered Root Outdoor AP Bridge Here the root gateway connects to the Internet and main
7. KES Sun Java Console NETKRO Technologi Internet Options R Products Solutions Services Wireless Automation 9 Open the Connections tab and in the LAN Settings section disable all the option boxes Click OK button to update the changes Local Area Network LAN Settings Automatic configuration Automatic configuration may override manual settings To ensure the use of manual settings disable automatic configuration C l Automatically detect settings C Use automatic configuration script Proxy server o Use a proxy server for your LAN These settings will not apply to dial up or YPN connections 10 At the Address bar enter http 192 168 168 1 and press Enter from your keyboard 11 At the login page click the Log On button to enter the configuration pages wapiti liviee ret Lipi Fa b Ge feri he eO D 4 0 aii BELL Wireless LAN Access Point Management Pitit cater pour paarwerd Por bog cull 16 Chapter 3 Access to Web based Interface 12 You will then reach the home page of Netkrom AIR BRS500G GH s Web interface Wireless LAN Access Point Microsoft Internet Explorer Sele File Edit View Favorites Tools Help a Q x hg x a A J gt search y Favorites A Media B g land rel Address http 192 168 168 1 act_login vi i Go Links Wireless G Wireless LAN Access Point Access Point CONFIGURATION The current net
8. This unique feature allows linking of several access points virtually creating a larger wireless network infrastructure that allows desktops or laptops that are connected to Netkrom AIR BRS500G GH to share their network resources wirelessly e Pseudo Virtual LAN Netkrom AIR BR500G GH unique Wireless Pseudo Virtual LAN technology is a feature that allows a wireless client or groups of wireless client to be segmented wirelessly into its individual workgroup or individual node thus enhancing the privacy of the wireless clients This is especially useful in public hotspot deployment e Secured Wireless Authentication The Netkrom AIR BRS500G GH supports the latest wireless security standard W1 Fi Protected Access The wireless users now enjoy the freedom of wireless roaming without worrying important data being exposed to outsiders WPA has two different modes WPA PSK for SOHO users and WPA EAP for Enterprise users NETKROM AIR BRS500G GH supports WPA PSK and WPA EFAP that using IEEE 802 1x based Extensible Authentication Protocol EAP for secure and centralized user based authentication The wireless clients are now able to authentication through a RADIUS server to the authorized network through highly secured authentication methods like EAP TLS EAP TTLS and EAP PEAP Chapter 1 Product Overview e Smart Select This feature will automatically scan and recommend the best channel that the access point can utilize e Wireless Routing Client
9. 2 AP 2 amp a De e e AP 3 Ak Ce a fn _ Jx B Notebook 3 e 7 C Notebook 4 Once the root access point is determined the STP algorithm will start to calculate the path cost from each access point to the root access point Based on the path cost in the following table 622Mbps 6 The path with the smallest cost will be used and extra redundant paths will be disabled 59 Chapter 4 Common Configuration To explain the effect of STP amp Pseudo VLAN on the wireless clients we will compare 3 separate scenarios Scenario 1 No STP No Pseudo VLAN Referring to the illustration below if the Spanning Tree Protocol STP and Pseudo VLAN are not implemented in a network all clients Notebook l 2 3 amp 4 can access to one another resulting low level of data security If redundant paths were found in this network broadcast packets will be duplicated and forwarded endlessly resulting in a broadcast storm AP 1 a i Ua Notebook 1 E AP 2 a Ta AP 3 d lie gt pan sie gt Notebook 2 SS a Cc Notebook 4 a __ Notebook 3 AP 4 AP 5 eS Scenario 2 With STP No Pseudo VLAN When STP is enabled extra redundant network paths between access points will be disabled hence preventing multiple active network paths in between any two network access points If one of the access points is down the STP algorithm will reactivate one of the redundant paths so that the network con
10. 2346 256 2346 Frag Threshold 2346 2346 256 2346 J Transmit Power Maximum y Radio OF When Ethernet No Link Auto Reboot Timer 0000 Disable RA Disable v Note Changes made will only take effect after rebooting Extended Features Access Control WDS Configuration WMM Parameters Long Distance Parameters 21 Chapter 4 Common Configuration Setup Wireless Mode continued The Beacon Interval is the amount of time Beacon Interval 100 100 20 1000 between beacon transmissions A beacon is a guidance signal sent by the access point to announce its presence to other access points It also sends information such as timestamp SSID and other parameters regarding the access point to other access points that are within the specified range The access point needs the beacon interval to know when to receive the beacon from the other access point The Data Beacon Rate DTIM determines Data Beacon Rate DTI 1 1 1 16384 how often the beacon contains a delivery traffic indication message DTIM The DTIM tells power save client devices that a packet is waiting for them If the beacon period is set at 100 its default setting and the data beacon rate is set at 1 its default setting then the access point sends a beacon containing a DTIM every 100 Kusecs One Kusec equals 1 024 microseconds The RTS CTS Threshold value determines the minimum size of a packet in bytes that would trigger t
11. 4 8 MAC Filtering MAC Filtering acts as a security measures by controlling the users from accessing to the network This can be easily done by adding the user s MAC address to the listing and from there you can choose whether the particular user is allowed to access to the network or not Simply click on the radio button besides Allow PCs listed to access network or Prevent PCs listed from accessing network to activate the function 63 Chapter 4 Enabling MAC Filtering Common Configuration Click on MAC Filtering from the CONFIGURATION menu Select Enable from the MAC Filtering drop down list Click on the Add button to add in the MAC address of the user Fill in the Filtered Mac Address field with the MAC address of the client in the format XX XX XX XX XX Or XX XX XX XX XX Xx where x is any value within the range 0 9 or a f Click on the Apply button to update the changes Referring to the figure shown on the right notice that the MAC Address has been added to the list Next you can choose whether you wish to allow prevent the user to from access to the network Simply click on the radio button besides Allow PCs listed to access network or Prevent PCs listed from accessing network Click Apply button to update the changes NOTE cannot be empty MAC Address Filtering MAC Fitemg Enable W i Allow Pits bia bo access network Prevent FCs bated fren accecimg aemverk HAC Address List Add MAC
12. Address Filtered MAC Address 00 80 12 4e 1 8 54 Appi MAC Address Filtering MAC Fiemg Enable Abre PCs fisted to access mebarorc Preven Pils biad from attesimng anea HAC Addraze List When Mac Filtering is enabled with allow access policy the Mac Address list 64 Chapter 5 Further Configuration Chapter 5 Further Configuration This chapter provides guidelines in Setting up uConfig only in Gateway mode Configuring WAN Setup only in Gateway or Wireless Routing Client mode Using NAT Routing Implementing IP Filtering Applying Remote Management Enabling Parallel Broadband 5 1 Setting up uConfig only in Gateway mode This option is ONLY available when Netkrom AIR BR500G GH operates in Gateway mode uConfig Set up Click on uConfig IP Setup from the CONFIGURATION menu Fill in the IP Address uConfig IP Setup Key in the Network Mask IP Address Network Mask Click on Save button Note Changes made will only Lake effect aft Reboot the system to make your LEEN L Peboct changes effective 65 Chapter 5 Further Configuration 5 2 Configuring WAN Setup Available in Gateway and Wireless Routing Client mode The WAN setup allows you to set up Netkrom AIR BRS500G GH for broadband Internet connection Described below are the common steps you should start with to select or change the broadband connection type Changing WAN Type Click on WAN Setup from the CONFIGURATION menu The setup p
13. Click on the Save button Press the Reboot button to restart the system and allow the changes to take effect 71 Chapter 5 5 2 6 PPTP Further Configuration The Point to Point Tunnelling Protocol PPTP is a networking technology which enables the implementation of secure multi protocol Virtual Private Networks VPNs through public networks enabling remote users to access corporate networks securely at a lower cost Changing WAN Type PPTP Configuration At the PPTP WAN Setup page Key in the Client IP address Enter the Network Mask Fill in the Username of your Internet account Insert your account Password Enter the IP address of your VPN Server Fill in an Idling Timeout value in the range of 30 3600 seconds Entering 0 will disable this feature Click on the Save button WAN Setup Wan D ype Chen IF Her Misk Username Password VEH Server FETE Change eu Ty LEN Peris eo 255 o semana Pig input IF ofthe server eg 100 000 100 100 kie Temeout 30 3600 0 Disable 0 seconds Stalis TP Address MHebarork Mack Gateway IP Address Primary DHS Secondary DMS Now Chances mice well Disconnected l Connect ddi oo00 0 0 0 0 0 0 0 0 0 0 0 0 aniy Lobe ofpet after mebwtien Press the Reboot button to restart the system and let the changes take effect 12 Chapter 5 Further Configuration 5 3 Using NAT Only available in Gateway and Wireless Routing Client mo
14. Netkrom AIR BRS500G GH for using WPA EAP Please take note that the WPA or WPAI EAP WPA2 EAP and WPA EAP_ AUTO have the same functions Security Mode WPA EAP WPA2 EAP WPA EAP AUTO At the WLAN Security Setup page Select WPA EAP mode Click on Apply button The Cipher Type is set to TKIP Key in the IP address of the Primary RADIUS Server in your WLAN You can optionally add in the IP address of a Secondary RADIUS Server if any WLAN Security Setup Security Mode WPA PSK AUTO WPA EAP AUTO WPA1 2 EAP Setup Cipher Type TKIP Primary RADIUS Server IP Secondary RADIUS Server IP AUTO Authentication Port 181 2 Shared Secret Key RT Maximum Retransmissions 3 3 1 10 GTK update seconds 300 300 60 9999 Note Changes made will only take effect after rebooting 55 Chapter 4 Common Configuration Security Mode WPA EAP WPA2 EAP WPA EAP AUTO continued You can key in a different Authentication Port but it MUST match the corresponding port of the RADIUS server Enter the Shared Secret Key used to validate client server RADIUS communications Specify the Maximum Retransmissions For greater security key in the minimum permissible 1 else the maximum allowed is 10 Define the GTK update Group Transient Key update or the length of time after which Netkrom AIR BR500G GH will automatically generate a new master key Press the Save button Click on Reboot to restart the system
15. and accessing the Internet Procedures for Windows 98SE ME 2000 XP operating systems are included in this document However for other operating system you may need to refer to your operating system s documentation for networking How to Use this Document The document is written in such a way that you as a user will find it convenient to find specific information pertaining to the product It comprises of chapters that explain in details on the installation and configuration Conventions In this document special conventions are used to help and present the information clearly Below is a list of conventions used throughout NOTE This section will consist of important features or instructions CAUTION A N This section concerns risk of injury system damage or loss of data WARNING This section concerns risk of severe injury References on Menu Command Push Button Radio Button LED and Label appear in Bold For example Click on Ok M Technical Support Information scetsceschesscciccedecasscedsccsasedscesconscsasssedsocssoessessecedsoasseessscssendscescoccseeses II ADOUE This Document sccsseca vives caceeascsasscanceacowes eens vatacas easueee eves aa aa aE eaaa aSa Ill How to Use this Document hesiichescisisscsssdicasesstisscevansticcnscssdiessectsbeecseckicesasticeeusdesiusiaseseescesticeestes Ill Conventions IHI Chapter Product OVER view vesisscisccoscissceaccsciececieacesiceceecatececdescsavseceiesscconteevbecedtos
16. below Changing WAN Type Static IP Configuration At the Static IP WAN Setup WAN Setup page Wan Type Static IP Chonge TP Address 2 2 2 2a Replace the default IP Address gt ae Se e e etwork N 255 255 J255 Network Mask and Gateway Gateway IP Address 203 120 12 IP Address fields with the relevant values given by your Note Changes made will only take effect after rebooting ISP Ea ma How Click on the Save button 67 Chapter 5 Further Configuration Click on the Reboot button to restart the system and let the changes to take effect 5 2 3 PPPoE Select this connection type if you have subscribed to ADSL in a country utilizing standard PPPoE for authentication for instance e If you are in Germany which uses T 1 connection e If you are a SingNet Broadband or Pacific Internet Broadband user in Singapore The next steps will guide you in setting up Netkrom AIR BRS500G GH Changing WAN Type PPPoE Configuration At the PPPoE WAN Setup WAN Setup page Wan Type PPPakE changa MT Hoo 1492 1 i aat 1462 Fill in the relevant fields x N62 default 1462 following the parameters of your ie EATERS broadband Internet account Serice Name w On Demand Idle Tene out i Deable E seconds The Status section gives you a Alaras On Reconnect Time Factor 30 seconds f ti Cee non standard PPPOE ethernet type SAA O your connection Pr NES Tonea settings such as TP Address 0 0 0 0 P address Netwo
17. can be accommodated through the different modes of Netkrom AIR BR500G GH Chapter 1 1 4 1 1 4 2 Product Overview The Access Point Mode This is the default mode of Netkrom AIR BR500G GH The Access Point mode enables you to bridge wireless clients to the wired network infrastructure Cable ADSL modem router Laptop Outdoor AP Bridge as Access Point Mode Laptop The Access Point Client Mode In Access Point Client mode Netkrom AIR BRSOOG GH acts as a wireless client which can operate wirelessly with another access point to perform transparent bridging between two Fast Ethernet networks internet Outdoor AP Bridge Terminal as Access Point Client Mode Cable ADSL ii M modem ea router amp Printer Access Point Bridge Workgroup of PCs Chapter 1 1 4 3 Product Overview The Gateway Mode Or put it more simply Broadband Internet sharing in a wireless network Since Netkrom AIR BRS500G GH_ supports several types of broadband connections the first step in setting up Netkrom AIR BRSOOG GH as a Broadband Internet Gateway is to identify the type of broadband Internet access you are subscribed to Internet Cable ADSL modem gt router Outdoor AP Bridge as Gateway Mode Static IP address Use this type of connection if you have subscribed to a fixed IP address or to a range of fixed IP addresses from your Internet Service Provider Dynamic IP address When powered usi
18. closed regardless of its status When WDS Global Control is set to Enabled the status of every WDS link that you want to include still needs to be individually Enabled e In the WDS Statistics table each entry corresponds to a particular WDS link e Although the WDS nodes may belong to different SSIDs they MUST be configured in the same channel and use the same WEP keys if the encryption feature is enabled to be able to communicate with one another If the WDS enabled access points are required to support too many operational wireless clients you may find end to end throughput to be low depending on the applications For instance end to end latency may become an issue in a very long WDS chain configuration 45 Chapter 4 Common Configuration 4 4 3 WMM Parameters available in all modes except for Wireless Bridge Link WMM stands for Wireless Multi Media WMM is a QoS Quality of Service standard in IEEE 802 11E that we can adopt to improve and support the voice video and multimedia applications QoS can be realized through 4 different Access Categories AC Each AC type consists of an independent transmit queue and a channel access function with its own parameters that include Cwmin Cwmax AIFS TxopLimit ACM and Ack policy The following steps demonstrate how to configure these WMM Parameters WMM Parameters From WLAN Setup under Configuration click on Advanced which shows the WLAN Advanced Setup page Go to
19. e You need to enable DHCP on all Netkrom AIR BRS500G GHs in Parallel broadband It is recommended that each Netkrom AIR BRS500G GH leases IP in a non overlapping IP address pool e All Netkrom AIR BRS500G GH are interconnected in a chain manner using WDS as illustrated in the section on WLAN Basic Setup e Each Netkrom AIR BRSOOG GH is running in Gateway mode with the Parallel Broadband option enabled Enable Parallel Broadband 89 Chapter 5 Further Configuration Click on Parallel Broadband from the CONFIGURATION menu By default the Parallel Paralle Broadband Broadband feature is disabled Parallel Erogpdband Status Enable O Diable Enable the Parallel Broadband Wote Parallel Broadband comburer the barghnath of arveral Driernei broadband modem connections The LAN ddes of Parallel Broadband compalthls gafewoyd ane interconnected to har Iutermet load and provide Status Ji ever redundancy The WEG boioigiag capadiity af APPA needs fo fae ec iveitd Bo previas conection ae to other Poraie Broadband compelir wimess prineays Click on Apply button en Repeat this for the other Netkrom AIR BRS500G GHs in your network 90 Chapter 6 System Utilities Chapter 6 System Utilities This chapter provides guidelines in using e The SYSTEM TOOLS menu e The HELP menu 6 1 Using the SYSTEM TOOLS Menu 6 1 1 System Identity If your network operates with several Netkrom AIR BR500G GHs you would find it useful to have a m
20. point is to become the Root AP If the priority values are all the same then the system will search for the smallest MAC address of the access point and set it as the Root AP Hello Time Specify the time in seconds that elapses between the configuration messages also known as Hello BPDUs generated by an AP that assumes itself to be the Root AP Forwarding Delay Specify the time in seconds that an AP spends in the listening and learning states that is listening for configuration messages Max Aging Time Specify the maximum age in seconds at which the stored configuration message information is judged to be too old and is discarded If an AP does not receive a configuration message after the Max Aging Time the system will assume that the link between itself and the Root AP has gone down and will then reconfigures the network to cater for the change Click on the Apply button 62 Chapter 4 Common Configuration 4 7 SNMP Setup Simple Network Management Protocol SNMP is a set of communication protocols that separates the management architecture from the architecture of the hardware devices Enabling SNMP Click on SNMP Setup from the CONFIGURATION menu SNMP Setup SI MLP State Read Fastaord TELLI Read W rte Frisiword saaeeee pph Select Enable from the SNMP State drop down list The default Read Password is set to public while the default Read Write Password is private Click on the Apply button
21. sossessessessessossosssoscsscsssseosesscssesscssessessossosssssssessessessesso 98 Appendix II Firmware Recovery sssssscsssesssscccoscccssosocosssocscsososocssssoosssscoseceesessssseso 102 AII How to recover Netkrom AIR BR500G GH from failed firmware cccccceses 102 VI Chapter 1 Product Overview Chapter 1 Product Overview 1 1 1 2 Introduction The Netkrom AIR BR500G GH is a wireless outdoor access point that is interoperable with all standard based 802 11a 11g and 802 11b wireless devices The Netkrom AIR BRSOOG GH is a compact and high performance outdoor access point that is designed with support for high security features like Wi Fi Protected Access WPA IEEE 802 1x Authentication and 64 bit or 128 bit Wired Equivalent Privacy Netkrom exclusive wireless LAN technology Wireless Pseudo VLAN further enhances security in wireless hotspot networks in isolating different users into their own VLANs The Netkrom AIR BR500G GH is capable of operating in 6 different modes Access Point Bridging Access Point Client Gateway Wireless Routing Client Wireless Ethernet Adapter and Wireless Bridge Link making it suitable for all kinds of wireless applications Features and Benefits Netkrom AIR BRSOOG GH has been designed for high performance and offers a rich suite of features with which you should acquaint yourself to be able to exploit your Netkrom AIR BR500G GH s full potential e Wireless Distribution System
22. these DNS servers Primary DNS IP Address o ljo o Secondary DNS IP Address 0 Jo J0 DHCP Server O Enable Disable Click on Apply to save your new parameters 18 Chapter 4 Common Configuration This table describes the parameters that can be modified in the Management Port Setup page Parameters Description IP Address The IP address of Netkrom AIR BRSOOG GH is set by default to 192 168 168 1 Network Mask The Network Mask serves to identify the subnet in which Netkrom AIR BRSOOG GH resides The default network mask is 255 255 255 0 DHCP Start IP This is the first IP address that the DHCP server will assign The Address value that you input here should belong to the same subnet as Netkrom AIR BRS500G GH For example if the IP address and network mask of your Netkrom AIR BRSOOG GH are 192 168 168 1 and 255 255 255 0 respectively the DHCP Start IP Address should be 192 168 168 X where X can take any value from 2 to 254 This value is pre set to 192 168 168 100 DHCP End IP This is the last IP address that the DHCP server can assign It should Address also belong to the same subnet as Netkrom AIR BR500G GH For instance if the IP address and network mask of your Netkrom AIR BRSOOG GH are 192 168 168 1 and 255 255 255 0 respectively the DHCP End IP Address should be 192 168 168 X where X can take any value from 2 to 254 It is pre set as 192 168 168 254 DHCP Gateway IP Inserting a DHCP gateway IP add
23. Capability The Wireless Routing Client mode enables Internet Service Provider ISP or offices to send their data packet wirelessly and these network packets will be routed to a wired Local Area Network via the NETKROM AIR BRSO00G GH e Wireless Ethernet Adapter The Wireless Ethernet Adapter mode enables any computers with an Ethernet interface to be connected to the wireless LAN without the need to install any driver software This is extremely useful for machines with limited driver support e g Apple Macintosh machines and Linux machines e Parallel Broadband This unique feature allows bandwidth aggregation and fail over redundancy capability when set to gateway mode which uses wireless distribution system to wirelessly link all associated access point gateway together e Universal Configuration Software Netkrom uConfig software allows users to get onto the web based configuration interface of AIR BRSOOG GH without the need to further manipulate the TCP IP setup of the workstation e Web based Management Interface Embedded with a HTTP server allows the configuration of the NETKROM AIR BR500G GH features via a user friendly web based management interface In addition firmware upgrade can be done through this interface as well o IEEE 802 1x Authentication and Wi Fi Protected Access WPA Netkrom AIR BR500G GH supports latest wireless security Wi Fi Protected Access WPA using both Pre Share Key and 802 1x EAP authentication A wide rang
24. Cs Chapter 1 1 4 5 1 4 6 Product Overview Wireless Ethernet Adapter Mode Similarly to the Access Point Client mode Netkrom AIR BRSOOG GH used in this mode is able to communicate wirelessly with another access point to perform transparent bridging between two networks However here the Wireless Ethernet Adapter connects a single wired workstation only No client software or drivers are required while using this mode internet Outdoor AP Bridge as Wireless Ethernet Adapter Mode Dinamically Cable ADSL Switch leased IP modem amp router p address from A e l pi Macintosh Access Point Bridge Workgroup of PCs The Wireless Bridge Link Mode The Wireless Bridge Link mode allows point to point communication between different buildings It enables you to bridge wireless clients that are kilometres apart eg within 100 metres between two buildings while unifying the networks In this scenario you may configure two Netkrom AIR BR500G GH units to perform transparent bridging between two buildings Chapter 2 Hardware Installation Chapter 2 Hardware Installation 2 1 2 2 Setup Requirements Before starting please verify that the following is available e CATS5 Se networking cable e At least one computer is installed with a Web browser and a wired or wireless network interface adapter e TCP IP protocol is installed and IP address parameters are properly configured on all your network
25. Deeds State ROUDE ch ciel oh E a eidevcatssitencdrc O 80 342 Dmm ROUGI eaka os otassesa a a een esomtemeaies 81 5 5 Implementing IP Filtering Only available in Gateway and Wireless Routing Client mode 82 5 6 Applying Remote Management Only available in Gateway and Wireless Routing CHN TINO GE er a A a E E AR 87 5 7 Enabling Parallel Broadband Only available in Gateway mode sesssooosssssssecccccceceeo 88 JA Load Paliho No seeen a a A scat tisvedils 88 32 Palle Ower RECUnGAnC yed a wire caewas 88 51 Toenable Parallel Broadband rooenis E Aovstasiuawoes 89 Chapter 6 System UNUNES ogies eee EEES 91 6 1 Using the SYSTEM TOOLS Menu ssssssssscccccccccccsssssscccescccccccocccssssssssceccceoccosssssssssseeeeo 91 OLI System Identity enee E A NE 91 6 1 2 WLAN Station List Only available in AP and Gateway mode ccceeeeees 92 Or FOCt Sy Stein S Cloke na a neuen atti E 92 OL FPimvware Uperid oniani e cenit dy aniad tases R 93 GLS Sae Or RESCUES CLUS ain NS 94 Gil REDOOL SY StS h a E E E E stile bask 95 MLE Chans e PASS WOU er E E ecetiasae deed 96 wko LOSM TEREE EEE RAAR 96 6 2 Usimg the HELP Ment soccccasvsasecccssecccceresenccessvoesesessendacceventvausvenseeesveedseuescuceccevaesecsevewestansees 97 02L Get TECHIE SUD POL e r a a es 97 022 lt ADOUL Sy SECM certecen mses E Mus anes hideanueoseees akan A 97 Appendix 1 Troubleshooting scssi nenene aaeoa a dada 98 AI Solutions to Common Problems
26. Expires NOTE Invalid date and time displayed in the Expires column indicates that the clock of your Netkrom AIR BRSOOG GH has not been properly set Please refer to the SYSTEM TOOLS section for more details on how to set the system clock 20 Chapter 4 Common Configuration 4 1 2 To reserve specific IP addresses for predetermined DHCP clients Making an IP address reservation lets you inform the DHCP server to exclude that specific address from the pool of free IP addresses it draws on for dynamic IP address allocation For instance if you set up a publicly accessible FTP HTTP server within your private LAN while that server would require a fixed IP address you would still want the DHCP server to dynamically allocate IP addresses to the rest of the PCs on the LAN The following shows you how to reserve a particular IP address Reserve Specific IP addresses Click on Management Port from the CONFIGURATION menu Go to the Advanced DHCP Server Options section click on the DHCP Server Reservations button Advanced DHCP Server Options Show Active Dhcp Leases Dhcp Server Reservations x Fill in The host portion of the IP Address to reserve The Host Name if there is any else leave it blank The Hardware Address in pairs of two hex values DHCP Server Reservations IP Address Hest Name Hardware Address Apply TP Address 192 168 168 130 Host Hame Compex Hardware Address 00 20 82 21 C
27. IF address automatically Use the following IP address IP address 192 168 168 100 Subnet mask 255 255 255 O0 Default gateway Use the following DNS server addresses Prefered ONS server Alternate DNS server re 5 Click OK button to update the changes 6 Now you may open the MS DOS prompt window and type in ping 192 168 168 1 to verify whether your PC can communicate with Netkrom AIR BR500G GH 7 If your TCP IP settings are correct you will get replies to the ping command ct C WINDOWS System 32 cmd exe Microsoft Windows KP Version 5 1 2600 lt C gt Copyright 1985 2661 Microsoft Corp C gt ping 192 168 168 1 Pinging 192 168 168 1 with 32 bytes of data Reply from 192 168 168 1 bytes 32 time lt ims TTL 64 Reply from 192 168 168 1 bytes 32 time lt ims TTL 64 Reply from 192 168 168 1 bytes 32 time lt ims TTL 64 Reply from 192 168 168 1 bytes 32 time lt ims TTL 64 Ping statistics for 192 168 168 1 Packets Sent 4 Received 4 Lost z loss Approximate round trip times in milli seconds Minimum ms Maximum ms Avetgge Bms a 15 Chapter 3 Access to Web based Interface 8 Launch your Web browser Under the NETKROM Technologies Long Range Wireless Net Tools tab select Internet Options Fle Edit View Favorites Help Mail and News gt Bak la Synchronize Windo te Address amp http www netkron Show Related Links
28. NETKROM AIR BRS500G GH User s Manual En 06 Technical Support Information The warranty information and registration form are found in the Quick Install Guide For technical support you may contact Netkrom Technologies Inc For your convenience you may also seek technical assistance from the local distributor or from the authorized dealer reseller that you have purchased this product from For technical support by email write support netkrom com SALES Address Netkrom Technologies Inc 3152 NW 72nd Ave Miami FL 33122 U S A Phone 1 305 4182232 Fax 1 305 4189266 Email sales netkrom com TECHNICAL SUPPORT INTERNET Address Web Netkrom Technologies Inc www netkrom com 3152 NW 72nd Ave Miami FL 33122 U S A Phone 1 305 4182232 Fax 1 305 4189266 Email support netkrom com II About This Document The product described in this document Outdoor Access Point Bridge Netkrom AIR BR500G GH is a licensed product of Netkrom Technologies This document contains instructions for installing configuring and using Netkrom AIR BRS00G GH It also gives an overview of the key applications and the networking concepts with respect to the product This documentation is for both Network Administrators and the end user who possesses some basic knowledge in the networking structure and protocols It makes a few assumptions that the host computer has already been installed with TCP IP and already up amp running
29. WDS Click on the Apply button Please note that if you auto select your frequency channel SmartSelect you are not allowed to activate WDS Global Control At the WDS Status page WDS Status Click on the Add button to expand your WDS Partner Address Remove Ea NOTE To configure WDS all your access points must be in the same channel and both your access points at opposite WDS link must have each other s wireless MAC address 42 Chapter 4 Common Configuration WDS Configuration Setup continued On the Add WDS Link screen Add WDS Link that appears Fill up the Partner Address ooo EE field with the MAC address of oe the device to include in your ena WDS using the format xx xx Api Her XX XX XX XX or XX XX XX XX XX XX Or a mix of and and where x can take any hexadecimal value 0 9 or a f Use the Status option to control whether you want to Enable this particular WDS link or to Disable it Click on the Apply button The WDS Status page will be WDS Status updated as shown on the right WDS link Partner Address Status If you want to modify the status x 1 11 22 33 44 55 66 Enable entry for a WDS link Select the radio button on the left of that particular link as illustrated below left Click on the Edit button At the Edit WDS Link page Edit WDS Link which shows Select whether to enable or to Foe ees Lee Statu Enable y disable the WDS link sci ane Y Enable Cl
30. WLAN Advanced Setup page Click on the Access Control Extended Features button WDS Configuration WMM Parameters Long Distance Parameters 34 Chapter 4 Common Configuration Wireless Pseudo VLAN Per Group continued The Wireless Pseudo VLAN Access Control Setup function is Disabled by default Select Pseudo VLAN from the maap i drop down list Per Group b Tag VLAN Click on the Apply button The MAC Address List enables you to manage specific VLAN groups by adding or deleting clients through their MAC address Click on the Add button Pseudo VLAN Mac address list Group 1 E Group2 bal Group3 Group4 v Ea Note Changes made will oniy take effect after rebooting Select a group number from the Add MAC address Group ID drop down list GroupID 1 v Mac Addr aa bb cc dd ee ff Fill in the Mac Addr field with b the MAC address of the client in the format XX XX XX XX XX or XX XX XX XX XX Xx where x is any value within the range 0 9 or a f Click on the Apply button The updated Mac Address List page will appear as shown 35 Chapter 4 Common Configuration Pseudo VLAN Mac address list Group 1 aa bb cc dd ee ff K Group2 Group3 E Group4 O Aaa Bete Note Changes made will only take effect after rebooting Delete client from a group If you want to delete a particular Pseudo VLAN client from a group Mac address list Select th
31. a Netkrom AIR BRSOOG GH is connected to wired network and a set of wireless stations it is referred to as a Basic Service Set BSS The MAC address of Netkrom AIR BRS500G GH is used as entry here e SSID refers to the network name which uniquely identifies the network to which Netkrom AIR BRS500G GH is connected e Chan refers to the channel being used for transmission e Auth refers to the types of authentication such as WPA WPA PSK etc being used by the access point e Alg refers to the types of algorithm such as WEP TKIP etc being used by the access point e Signal describes the strength of the signal received in percentage Scan For Site Survey In the Mode Setup page click on the Site Survey button AP Client Setup The Current Mode Access Point Client Change Station Name Wireless AG Access Point Wireless Profile 802 11b g mixed Country a a 2 Edit Country Setting Tx Rate Note Changes made will only take effect after rebooting Save Reboot i 30 Chapter 4 Common Configuration Scan For Site Survey continued The Site Survey provides a list of the BSS and SSID available the Chan channels Auth Authentication Alg Algorithm being used and the strength of the Signal received To configure to a different SSID Select the radio button Site Survey corresponding to the SSID you Boa bs Chan Auth Alg Signal want to configure to gt OOMbSbs7e955 M 11 OPEN MONE 13 D D
32. address and am unable to surf the Internet A Make sure that the Ethernet cable is properly connecting your Cable ADSL modem to the WAN port of the Netkrom AIR BRS500G GH access point and verify whether the gateway has a valid IP address from the About System page Then refer to suggested steps A B amp C to Problem 1 described above to verify the connectivity of the gateway Ensure that the WAN settings are relevant to your broadband connection In case of doubt you should contact your network administrator ISP to enquire about your Internet connection type Power off your computer the Netkrom AIR BR500G GH access point and the Cable ADSL modem Turn on the Cable ADSL modem then wait for 1 minute before turning on the gateway Lastly turn on your computer Verify whether you have been allocated an IP address and are able to surf the web 3 Iam not able to access the Web interface of Netkrom AIR BR500G GH A Refer to Problem 1 and follow suggested steps A and B to verify your connectivity to the Netkrom AIR BRS500G GH access point If you are a PPPoE user you will need to remove the proxy settings or the dial up pop up window If you are not using the uConfig utility you may need to change the settings of your Web browser For Microsoft Internet Explorer 5 0 or later versions From the Tools menu bar select Internet Options and then click on the Connections tab Click on the LAN Settings button Uncheck any options fro
33. after which your settings will become effective The RADIUS authentication server MUST be in the same subnet as Netkrom AIR BRS500G GH For selecting WPA2 EAP and WPA EAP AUTO you can use the above procedure of selecting WPA EAP However for WPA actually is the same as WPA1 AES is not mandatory whereas AES is mandatory for WPA2 56 Chapter 4 4 6 Common Configuration STP Setup available in AP Gateway modes Spanning Tree Protocol STP is a link management protocol that helps to prevent undesirable loops occur in the network For an Ethernet network to function properly only one active path can exist between two stations If a loop exists in the network topology duplication of messages will occur and this might confuse the forwarding algorithm and allow duplicate frames to be forwarded In short the main purpose of activating STP is to prevent looping when you have redundant paths in the network Without activating STP redundant topology will cause broadcast storming To establish path redundancy STP creates a tree that spans all of the switches in an extended network forcing redundant paths into a standby or blocked state but establishes the redundant links as a backup if the initial link should fail If STP costs change or if one network segment in the STP becomes unreachable the spanning tree algorithm reconfigures the spanning tree topology and re establishes the link by activating the standby p
34. age of the WAN type Select Wan Type that you have last implemented will be displayed O Stane IP Address amp Dymame P Addreaa PPP over Ethemet Since Netkrom AIR C Singapore ADSL Ethemet 512E BR500G GH operates in s ae pean Dynamic IP Address Allocation mode by default initially the Geve Cancel Fek Dynamic IP setup page will appear Press the Change button which appears on the setup pages of all the WAN Types to reach the Select WAN Type page Select the WAN type you want to switch to Click on Save The setup page of the WAN type that you have selected will then appear 66 Chapter 5 Further Configuration 5 2 1 Dynamic IP In the default dynamic IP addressing mode your ISP automatically assigns the IP address of Netkrom AIR BRS500G GH to it This type of connection applies to most Cable Internet subscribers for instance e Cable Vision subscribers e HOME Cable Service users Changing WAN Type Dynamic IP Configuration At the Dynamic IP WAN Setup WAN Setup page Wan Type Doymasmie IP P TP Address a You can review the Hetwork Mask IP Address Gateway IP Address 0 0 0 0 Network Mask nhn Gateway IP Address Primary DNS Secondary DNS Your ISP dynamically allocates these parameters to Netkrom AIR BR500G GH 5 2 2 Static IP If you have subscribed to a specific IP address or to a fixed range of IP addresses from your ISP follow the procedure summarized
35. age your network This feature is especially helpful for those who work away from the office or from home Remote Management Click on Remote Management from the CONFIGURATION menu Specify the HTTP Port number Remote Management and the Telnet Port number HITE Fort a0 Standard B0 The standard entry for HTTP EEE Ra aad ii Enter to disable remote management Port is 80 and 23 for Telnet Port Mowe Changen made wil oniy cube effect afler eeboating Click on Save button Save Reboot Press the Reboot button to restart the system so that the changes can take effect Remote Management continued If you want to disable the Chapter 5 Further Configuration Remote Management feature Remote Management Key in 0 for both the HTTP aici 0 Standard 80 Port and the TELNET Port TELNET Port o Standard 23 Enter 0 te chrable remote management Click on Save button Note Changes made will only take effect giler rebooting Press the Reboot button to i restart your computer so that the changes can take effect 5 7 Enabling Parallel Broadband Only available in Gateway mode Netkrom AIR BR500G GH is equipped with Parallel Broadband technology which translates into scalable Internet bandwidth as well as Load Balancing and Fail Over Redundancy features Since there is no restriction to the type of broadband Internet account that a Netkrom AIR BR500G GH can connect to your network may run with on
36. ary of your connection settings such as IP address Network Mask Gateway IP Address Primary amp Secondary DNS If you are offline pressing the Connect button will immediately initiate a connection Click on the Save button Press the Reboot button to restart the system and allow the changes to take effect 70 Chapter 5 Further Configuration 5 2 5 Australia BPA Cable This type of connection has been especially customized for Big Pond Cable Internet users in Australia Changing WAN Type Singapore ADSL Configuration At the Australia BPA WAN WAN Setup Setup page Wan Type Austraka BPA Cable Uiemam Ueman Key in the Username of your Internet account Fasrword ELETTI Authenicaton Server Idle Timesut 20 3600 O Derakle 0 seconds Insert your account Password Status Disconnected _Connoct IF Address 0 0 00 Hetrwrork Mask Hood Enter the IP address of your Gateway IF Address O0 00 Authentication Server as Sean lgeel ara Secondary S I defined by your ISP inte Charges made will oniy baky efiect after rebooting Fill in an Idling Timeout value ETH Frbogi Hag in the range of 30 3600 seconds h Entering 0 will disable this feature The Status section gives you a summary of your connection settings such as IP address Network Mask Gateway IP Address Primary amp Secondary DNS If you are online pressing the Disconnect button will immediately end your connection
37. assword in the emai R New Password field as well as ConinnPasrwerdleeses in the Confirm Password field rrarena 7 Click on the Change Password Change Password button 6 1 8 Logout To exit the Web interface follow the next few steps 1 Click on Logout from the SYSTEM TOOLS menu Click the Logon button to access Netkrom AIR BR500G GH s configuration interface again 96 Chapter 6 System Utilities 6 2 Using the HELP menu 6 2 1 Get Technical Support This page presents the contact information of Netkrom s technical support centres around the world Get Technical Support Click on Get Technical Support from the HELP menu Netkrom AIR BR500G GH is a feature packed device If you require further information than provided in the manual or data sheet please contact one of Netkrom s Technical Support Centres by mail email fax or telephone 6 2 2 About System The About System page displays a summary of your system configuration information Support technicians might require specific information about your system data when they are troubleshooting your configuration You can use the information displayed in this page to quickly find the data they need to resolve your system problem Get Technical Support Click on About System from the HELP menu The System Information page will supply information concerning Netkrom AIR BRSO00G GH s configuration settings 97 Appendix I Appendix I Trouble
38. ath Without spanning tree in place it is possible that both connections may be simultaneously live which could result in an endless loop of traffic on the LAN Before Implementing STP AP 1 oe ii TA i Ap 2 a 7 ea ass NOS i fe ki Q N t CS apa ME Ce Ce W papas 5 Chapter 4 Common Configuration Spanning Tree Protocol operation is transparent to end stations which are unaware whether they are connected to a single LAN segment or a switched LAN of multiple segments The figure shown below explains the implementation of STP in a network AP 1 is physically connected to a switch whilst another 4 access points AP 2 AP 3 AP 4 and AP 5 are connected to AP 1 wirelessly Redundant paths were found in this network without enabling STP function broadcast storm will occur in this network resulted duplicated frames to be forwarded AP 1 z a at n5 a Se Apa2 a Taj AP HS i i m B AP 4 Taj AP 5 When STP is enabled the STP enabled access points will first try to find the root access point using the following criteria a use the access point that is configured with the smallest STP priority Default priority set in the access points is 32768 b Ifthe STP priority values are the same the access point with smallest MAC address will be chosen as root 58 Chapter 4 Common Configuration AP 1 eo ee Cc Se Notebook 1 o gt RG gt P lt a te m Notebook
39. ay IP Address Click on Apply The new entry will appear in the updated IP Routing Table If you want to add more routes click on the Add button Delete Static Routing If you want to delete any of the IP Routing Table table routes Destination Gateway Select the entry to delete Click 192 168 254 0 192 168 254 254 on the Delete button 192 168 254 100 192 168 254 254 127 Dst r A A The table will be refreshed Add Delete 5 4 2 Dynamic Routing When using dynamic routing Netkrom AIR BR500G GH can continuously update its routing table with the latest routing information thus automatically adjusting to any physical changes in the network topology 81 Chapter 5 Further Configuration Netkrom AIR BRS500G GH supports RIP1 Routing Information Protocol and RIP2 Routing Information Protocol version 2 and periodically broadcasts its routing tables to neighboring routers The best route is chosen if there are multiple routes to a destination The next steps will guide you in setting up dynamic routing Dynamic Routing Click on Routing from the CONFIGURATION menu By default Dynamic Routing is l disabled Dynamic Routing Select which dynamic routing Routing Protocol Disabled vi protocol to implement from the Routing Protocol drop down 7 list Ekis Click on the Apply button Le Reboot the system From then on the IP Routing Table will be dynamically updated 5 5 Imple
40. buildings It should be entered in meters Slot Time This parameter determines the slot time allocated by each wireless client that is the sending and the receiving clients to initate and or recieve data transmission ACK Timeout This parameter determines the timeout allowed for the sending client to receive the acknowledgment response from the receiving client CTS Timeout This Clear to Send time is the one in which the wireless clients are ready to initiate and or receive data transmission within a specified timeout 49 Chapter 4 Common Configuration 45 WLAN Security This section illustrates how to make your WLAN more secure All the nodes in your network MUST share the same wireless settings to be able to communicate We will illustrate how to configure each type of security mode individually To start with follow the common preliminary steps described below to select the most appropriate security approach for protecting your wireless communications Selecting Security Mode Click on WLAN Setup from the CONFIGURATION menu to select Security WLAN Setup Security Odvanced Statistics Make a selection from the Security Mode drop down menu WLAN Security Setup Security Mode NONE The Security Mode is set to W NONE by default GAREA 802 1x Click on Apply WPA EAP WPAZ EAP WPA PSK AUTO WPA EAP AUTO 50 Chapter 4 Common Configuration 4 5 1 How to set up WEP Available in ALL modes
41. dditional parameters such as Access Control WDS WMM and Long Distance Parameters Statistics This function uses the Scan Feature to monitor and interpret the statistics data collected It also covers the Show Link Information option featured ONLY in wireless client mode 4 2 1 To configure the Basic setup of the wireless mode The following will guide you to configure the basic setup of the wireless mode you have selected Basic Setup Wireless Mode Double click on WLAN Setup from the CONFIGURATION menu You will see the sub menus expanded under WLAN Setup Click on Basic Management Port WLAN Setup Security Advanced Statistics The default operating mode of Netkrom AIR BRS500G GH is the Access Point mode Make your selection from 24 Chapter 4 Common Configuration the Network Mode drop NetWork Mode Setup down list NetWork Mode Access Point Click on the Apply button Access Point Access Point Client to access the setup page of Note NetMode switched will d Gateway your selected mode Wireless Routing Client Wireless Ethernet Adapter Wireless Bridge Link Basic Setup Wireless Mode continued In the Mode Setup page Access Point Setup The Current Mode Access Point Change Access Point Hame Wireless G Access Point ESSID Wireless G Wireless Protile e021 1b g mixed UNITED Country STATES Edit Country Setting m SmanSelect z ae Channel Survey Tx Eate Fully Auto Clo
42. de NAT also known as Network Address Translation functions by transforming the private IP address of packets originating from hosts on your network so that they appear to be coming from a single public IP address and by restoring the destination public IP address to the appropriate private IP address for packets entering the private network The multiple PCs on your network would then appear as a single client to the WAN interface Enabling NAT Click on NAT from the CONFIGURATION menu By default the NAT Status Enable Disable NAT radio button is enabled NAT Status Enable Disable To change the NAT Status Select the appropriate radio Lope Hee button non Advanced NAT Options Click on the Apply button NOTE Disabling NAT will disable Internet Sharing Broadband Internet sharing requires this option to be Enabled When NAT is enabled your network is not accessible to the WAN However implementing virtual servers allows you to host Internet servers such as Web servers FTP servers or Mail servers on your network in spite of NAT 73 Chapter 5 Further Configuration 5 3 1 To set up a De Militarised Zone host A De Militarised Zone host or DMZ host is a separate neutral client sitting between your private network and the WAN It initiates WAN connections upon request from your network clients and forwards the request packets Similarly outside users can access only the DMZ host You can host Web pages
43. e Netkrom AIR BR500G GH on Cable Internet while the rest connect to ADSL The diagram below illustrates an application of Parallel Broadband in a network with 3 Netkrom AIR BR500G GHs X Y and Z 5 7 1 Load balancing Building your network around multiple Netkrom AIR BRS500G GHs arranged in cascade and running under Parallel Broadband creates an aggregate bandwidth and enables you to balance the Internet traffic generated by your private network over multiple broadband connections For instance Z might share its load with X and Y so that each Netkrom AIR BRS500G GH serves approximately the same number of users 5 7 2 Fail Over Redundancy 88 Chapter 5 Further Configuration In case one of your broadband connections should fail the affected Netkrom AIR BRS500G GH_ will automatically switch over to other operational broadband channels so that your network is not disrupted For instance when the WAN connection to Z is down Z will redirect its traffic to Y and hence providing Fail Over Redundancy of Internet access to wireless clients of Z Parallel Broadband Load Balancing amp Fail Over Redundancy 3x Cable ADSL modems To learn more about Parallel Broadband please read the whitepaper at www netkrom com 5 7 3 To enable Parallel Broadband Before enabling the Parallel Broadband feature verify whether e Each Netkrom AIR BRSOOG GH is correctly configured to connect to its specific broadband Internet account
44. e Wireless Pseudo VLAN Access Control Setup function is Disabled by default Select Tag VLAN from the drop Per Group down list Per Grou D Click on the Apply button Tag VLAN The Tag VLAN page enables you to manage specific VLAN groups by adding or deleting clients through their MAC address 37 Chapter 4 Common Configuration Click on the Add button Tag VLAN VLAN ID Mac address list Group O Group2 O Group3 Group4 C Guest domain OO ec Select a group number from the Add MAC address Group ID drop down list GroupID 1 Mac Addr aa bb cc dd ee ff 1 Fill in the Mac Addr field with the MAC address of the client in the format XX XX XX XX XX or XX XX XX XX XX Where x is any value between 0 9 or a f Click on the Apply button The updated Mac Address List Tag VLAN page will appear as shown on the right VLAN l ID Repeat Step 4 if you need to add Grout a Geen W more clients or to configure Group2 J vi more groups a Group3 C v Group4 Guest domain Mac address list Ex 38 Chapter 4 Common Configuration Delete client from a Tag VLAN If you want to delete a particular client from a group Tag VLAN Select the client to delete from VLAN the Mac Address List ID Groupl LI 1 aa bb cc dd ee ff ia Groupe 7 2 Groups L T I Groupd L a uest o lp domain Mac address list Click on the Delete button
45. e called Finance To delete an existing IP filtering rule Select the radio button Filtering Configuration corre sponding to the r ule to Farag ircornect CONNUE PAI coer waders dann delete AN IF packets willbe sent C discarded except for those matching one or more of the folowing ndes Click on Delete The Filtering Configuration TE the ayetens losti dhe Gene eetings Spore Ch aceept the access tome deliags im the above ruti table will then be refreshed Beaty Aad Delete Edi Help i Delete IP Filtering continued We illustrated editing the rule called Purchasing 86 Chapter 5 Further Configuration If you want to edit an existing IP filtering rule Filtering Configuration Warming incorrect configuration may cause undearahie behavior Select the radio button All IP packets wil be sent O discarded except for those matching ome or more of the folowing niles corresponding to the rule to edit sf f t 192 168 168 20 192 168 168301 14 24 Mon Sat 09 00 2200 f the system loses its time settings ygnore accept the access time sethngs in the above rules Apply Add Detote Ge Holp Click on Edit You will then return to the IP Filtering Configuration GUI from which you can re define the rule 5 6 Applying Remote Management Only available in Gateway and Wireless Routing Client mode Making use of remote management you only require Internet access to be able to man
46. e client to delete from Group 11 22 33 44 55 66 the Mac Address List aa bb ce dd ee ff Group3 O E Group4 E Click on the Delete button Note Ckanges made will oniy take effect after rebooting This Delete MAC Address page Delete MAC address will appear to confirm whether you want to delete the selected GroupID Hl client Mac Addr 11 22 33 44 55 65 w If you do not want to delete the 4 client Click on Apply button If you want to remove the client from the group Click on Delete button 36 Chapter 4 Common Configuration 4 4 1 3 Tag VLAN Available in Access Point mode ONLY While a port based VLAN is limited in size since it can only exist within the confines of a single Ethernet switch a Tag VLAN is designed to extend the wired VLAN to individual wireless clients Here each VLAN is identified by a tag which the switch associates with specific ports The switch will then pass this tag information with every data packet transmitted By using the same tag on each access point in the network full client roaming can be implemented while complying with VLAN integrity Wireless Pseudo VLAN Tag VLAN From WLAN Setup under Configuration click on Advanced which shows the WLAN Advanced Setup page Go to the Extended Features Extended Features section Access Control N WDS Configuration WMM Parameters Long Distance Parameters Click on the Access Control button Th
47. e of IEEE 802 1x authentication methods like EAP MD5 EAP TLS EAP TTLS EAP PEAP for strong mutual authentication and data encryption is supported e Wireless Pseudo Virtual LAN Allows the creation of wireless virtual nodes or workgroups for wireless clients to increase the privacy in a wireless LAN installation e SNMP For easy remote management and monitoring of the Netkrom AIR BRS500G GH through standard SNMP software Chapter 1 Product Overview 1 3 1 4 e STP Spanning Tree Protocol provides path redundancy while preventing undesirable loops in the network It forces certain redundant data paths into a standby blocked state If one network segment in the Spanning Tree Protocol becomes unreachable or if Spanning Tree Protocol costs change the spanning tree algorithm reconfigures the spanning tree topology and re establishes the link by activating the standby path NETKROM AIR BR500G GH Package NETKROM AIR BRS00G GH retail package contains the following items 1 x Netkrom AIR BRS500G GH 1 x Power over Ethernet Injector 1 x 110 220v Power Supply 1 x Product CD including Quick Install Guide User s Manual Firmware Recovery Tool amp Utilities When to use which mode Netkrom AIR BRS500G GH is unique in the sense that it may operate in up to 5 different netkrom modes in order to best suit any type of network application that you require This section presents a brief outline of the different network applications that
48. eans of identifying each individual device In certain cases your Internet Service Provider might request for a System Name before allowing you to access the Internet This System Name also serves as a DHCP Client ID during negotiations with the DHCP Server for dynamic IP address allocation You can define the System Identity of Netkrom AIR BRS500G GH to be also utilized as System Name or as DHCP Client ID System Identity Click on System Identity from the SYSTEM TOOLS menu Enter the DHCP Client ID System Identity assigned by your ISP in the System Name field System Mame Wireless Access Paim System Contact unkinecrn System Location uniri Fill in the name of a person to contact in the System Contact Zeny ap field Fill up the System Location field If there are multiple devices in your network or building this entry might help to identify the device Click on the Apply button to effect the changes 91 Chapter 6 System Utilities 6 1 2 WLAN Station List Only available in AP and Gateway mode This option allows you to view the wireless clients in the wireless network WLAN Station List Available in AP mode Click on WLAN Station List from the SYSTEM TOOLS menu Click on the Refresh button to WLAN Station List Show get the latest information on the availability of wireless clients in the wireless network STA MAC Address Shite SAU OUR GEAT PP Co assoceabed Retresh Back WLAN Sta
49. et up WPA PSK Available in AP Gateway mode ONLY The guidelines below will help you to set up Netkrom AIR BR500G GH for using WPA PSK Please take note that the WPA PSK WPA2 PSK and WPA PSK AUTO security modes share the same functions Security Mode WPA PSK WPA2 PSK WPA PSK AUTO At the WLAN Security Setup WLAN Security Setup page Security Mode Select WPA PSK mode Click on Apply button WPA EAP AUTO Specify the key entry format by WPA1 2 PSK Setup selecting either e Pas sphr ase Alphanumeric Passphrase 8 63 asci characters characters Hexadecimal 64 hex digits e Hexadecimal asaneceenanenennenentate Fill in the pre shared network key update 300 300 60 9999 seconds Note Changes made will only take effect after rebooting If you are using the Passphrase format your entry can consist of a minimum of 8 alphanumeric characters or a maximum of 63 alphanumeric characters Otherwise when using the Hexadecimal format your entry MUST consist of 64 hexadecimal characters The Cipher Type is set to TKIP Define the GTK update Group Transient Key update or the length of time after which Netkrom AIR BR500G GH will automatically generate a new master key Chapter 4 Common Configuration Press the Save button Click on Reboot to restart the system after which your settings will become effective A Hexadecimal value can only take in numbers 0 9 and letters A F and is NOT case sensitive Fo
50. etkrom AIR BR500G GH onto your Bacup hard disk drive Backup the System s configuration Click on the Backup button Chapter 6 System Utilities Restore Your Settings Or you may directly type in the path name of the file at Restore Restore the sytem s configuration path and file name the Machine s configuration e ee path and file name Click on the Restore button Reset Your Settings to Factory Default To discard ALL the Erase the system s configuration and restore its factory default settings configuration you have made and restore Netkrom AIR BRSOOG GH to its initial factory settings Click on Clear and Reset button 6 1 6 Reboot System Most of the changes you make to the system s settings require a system reboot before the new parameters can take effect Reboot Your device Click on Reboot System from the SYSTEM TOOLS menu You will be prompted to confirm whether to execute a system reboot Reboot System Click on the Yes button whenever you are ready to restart Reboot the system Chapter 6 System Utilities 6 1 7 Change Password It is recommended that you change Netkrom AIR BRSOOG GH_ login password which is case sensitive and is set by default to password Changing your Password Click on Change Password from the SYSTEM TOOLS menu Key in the Current Password Change System Password The factory default is password Current Password eesesees Enter the new p
51. etkrom AIR BR500G GH Operation State DIAG LED Corrupted firmware Netkrom AIR BRS500G GH switches to Blinks very fast loader mode Successful recovery Blinks very slowly All How to recover Netkrom AIR BR500G GH from failed firmware Before starting check the status of the DIAG LED against Table 1 above to verify whether firmware failure has occurred 1 Power Netkrom AIR BRSO0OG GH off and disconnect it from the network 2 Use a MDI cable cross connect for Netkrom AIR BRS500G GH to connect the LAN port of Netkrom AIR BR500G GH to the LAN port of your computer 3 Power Netkrom AIR BRSOOG GH on and then start up your computer The computer will obtain an IP address of 192 168 168 100 from Netkrom AIR BR500G GH 4 Insert Netkrom AIR BR500G GH Product CD into the CD drive of your computer 5 From the computer click Start then Run and type in the following command X TFTP i 192 168 168 1 PUT X image_name IMG where X refers to your CD drive and image_name IMG to the firmware filename found in the Recovery folder of the Product CD 6 If you have downloaded a newer firmware and have saved it in your local hard disk as for example C netkrom xxxx IMG then replace X image_name IMG with this new path and firmware name 7 The recovery process will now take place You can check the DIAG LED against Table 1 to monitor the progress of the recovery process 102 Appendix II Firmware Recovery 8 When firmware restorat
52. g There is NO need to configure any further routing information Please note that improper routing settings will cause undesired effects 78 Chapter 5 Further Configuration The diagram illustrates a Netkrom AIR BR500G GH X functioning as Internet gateway to wireless clients while another Netkrom AIR BRS500G GH Y connects to the office s remote resources The routing table of X can be modified so that if its wireless clients intend to use the remote office resources data packets are automatically redirected to Y Cable ADSL modem lt r 196 160 120 10 y x AQ 196 160 120 9 192 168 168 25 19 Chapter 5 5 4 1 Further Configuration Static Routing The following will show you how to add entries to your gateway s routing table so that it may re route IP packets to another network which is very useful if your network has more than one router 80 Chapter 5 Further Configuration Static Routing Click on Routing from the CONFIGURATION menu The IP Routing Table illustrated by the screen shot on the left displays the list of IP Routing Table current routing entries Destination Gateway 192 168 168 0 192 168 168 1 If you want to add a static route 192 168 254 0 192 168 254 254 in the IP Routing Table 192 168 254 100 192 168 254 254 127 0 0 1 127 0 0 2 Click on the Add button Specify the Destination IP asg Address of your new entry Fill in the Gatew
53. guration 4 4 4 Long Distance Parameters available in all modes These parameters determine the distance between wireless clients to ensure that the wireless point to point communication takes place efficiently and effortlessly The following steps demonstrate how to configure these Long Distance Parameters Long Distance Parameters From WLAN Setup under Configuration click on Advanced which shows the WLAN Advanced Setup page Go to the Extended Features Extended Features section and click on the Long Distance Parameters button The Long Distance Parameters function is Disable by default Long Distance Parameters Chatdone Dison Cue L So iimelus ACK Time Cut us Click on the Apply button CTSTee Cumas Select Enable from the drop down list Nole Sater the didasce af the cheni from toe ALP a eel for recommended parameters for ried n m ak n i Pii e ha P asl iN PE EEE GP NIAN PE C Cae a Mpi Miis WEL ET Roba naly Lote afecti after rebooting To copy the reference data click on Show Reference Data Long Distance Parameters Outdoor Enable x Distance meter 48 Chapter 4 Common Configuration The parameters are described below Outdoor The Outdoor parameter is disabled by default If set to Enable the Outdoor parameters will be configured for outdoor communication over short or long distances specified Distance This parameter determines the distance between different
54. hapter 4 Common Configuration Click on Add button Reserve Specific IP addresses continued Press the Apply button to make your new entry effective The DHCP Reservations page will then be refreshed to illustrate the currently reserved IP addresses If you do not need the DHCP server to reserve an IP address anymore you can delete the DHCP Server Reservation thus DHCP Server Reservations IP Address Host Hame Hardware Address Delete DHCP Server Reservation Select the reserved IP address to delete Click on Delete The DHCP Server Reservations table will then be refreshed to reflect your changes DHCP Server Reservations IP Address liset Nans Hardware Addressa reU Ea Pas LD SA Delte Apply Mt 22 Chapter 4 Common Configuration NOTE When creating a DHCP reservation you can opt to key in either the Host Name or the Hardware Address of the DHCP client If you have entered both the DHCP server will first check the hardware address If a match in hardware address has been found the Host Name will then be ignored 23 Chapter 4 Common Configuration 4 2 WLAN Setup This section shows how to perform the following functions Basic This function performs a basic setup of the wireless modes of operation Security This function performs data encryption and protection for the router Advanced This function furthers the basic configuration of the router by setting the system s a
55. he RTS CTS mechanism The Frag Threshold value indicates the maximum size that a packet can reach without being fragmented This value This value extends from 256 to 2346 bytes ranges from 256 to 2346 bytes where a value of O indicates that all the packets should be transmitted using RTS The Transmit Power drop down list lets Transmit Power Maximum you pick from a range of transmission power In AP Gateway mode ONLY Enabling Radio Off When Ethernet No Link option allows your AP to turn off the radio signal so that no wireless clients can connect to it This might occur when your Chapter 4 Common Configuration Ethernet cable is disconnected to the network If this function is enabled the wireless radio will be turned off if there is no Ethernet connection The wireless radio will be turned back on when the Ethernet link is restored The turning ON or OFF delay takes about 60 seconds after detecting whether the Ethernet link is UP or DOWN respectively The Auto Reboot Timer is the time setting Auto Reboot Timer 00 00 for the access point to automatically reboot NOTE The values illustrated in the examples are suggested values for their respective parameters 29 Chapter 4 Common Configuration 4 3 Scan for Site Survey For Wireless Client Mode Only This feature only available in wireless client mode Access Point Client Wireless Routing Client and Wireless Ethernet Adapter e When
56. ibibi Ta Netkrom OpaBSD Node 3 OPEN NOME H Click on the Apply button to EEEN effect the change and return to the Setup page Click on the Refresh button 4 3 1 Show Link Information For Wireless Client Mode Only This function offers a summary of the link data when Netkrom AIR BR500G GH is in the wireless client mode i e either of the Access Point Client Wireless Routing Client or the Wireless Ethernet Adapter mode Show Link Information In the Mode Setup page go to Link Information the Link Information section Click on the Show Link Information button When an access point is connected to a wired network and a set of wireless stations it is referred to as a Basic Service Set BSS The Link Information table Link Information illustrates the following data eS Eae en Current Chanel I State refers to the MAC address of the BSS Current Channel is the channel being presently used for transmission Signal Strength given in percentage form shows the intensity of the signal received and hence the connection strength 31 Chapter 4 4 4 Common Configuration Wireless Extended Features The Wireless Extended Features are ONLY available when Netkrom AIR BR500G GH operates in all modes as tabulated below Access Point and Gateway Wireless Distributed System WDS Access Point and Gateway WMM Parameters All modes except for Wireless Bridge Link All modes 4 4 1 Access Co
57. ick on the Apply button for the changes you made to take effect 43 Chapter 4 Common Configuration WDS Configuration Setup continued If you want to delete a WDS link Select the radio button on the left of that particular link Click on the Remove button An updated WDS Status page will be displayed To view WDS Statistics Info Click on the hyperlink of the selected Partner Address The Link Partner Address Statistics table shown on the left will be displayed Click on the Back button to return to the WDS Status page WDS Status Partner Address Status 11 22 33 44 55 66 Enable ab cd 11 22 aa Enable WDS Status Partner Address Status ab cd 11 22 aaff Enable WDS Status Partner Address Status Heswied yee Enable Link 11 22 33 44 55 66 Statistics State N Power Save joined off Encryption Advertised Cipher Unicast Cipher Multicast Cipher yes None None None Authentication Deauthentication Association Disassociation Reassociation 0 0 0 0 0 MSDU Data Receive 0 0 0 0 0 0 Multicast Management Control Errors Transmit 0 0 0 0 0 0 Signal Strength RSSI Data Rate Mbps Receive 295 1 Transmit 2 i Re ES Receive Discarded Duplicate CRC Decrypt PHY DMA Errors Frames Frames Errors Errors Errors Errors 0 0 0 0 0 0 0 Excessive Transmit Discarded 44 Chapter 4 Common Configuration NOTE e If WDS Global Control is Disabled every WDS link will be
58. ion has completed reboot Netkrom AIR BRS500G GH and it will be ready to operate 103 Appendix V Technical Specifications 104
59. le ADSL _ modem Internet amp Fast Ta N 8 A 0 an te AN _ Pseudo VLAN Node 2 The following steps demonstrate how to set up a Wireless Pseudo VLAN per Node Wireless Pseudo VLAN Per Node From WLAN Setup under Configuration click on Advanced which shows the WLAN Advanced Setup page Go to the Extended Features section and click on the Access Control button The Wireless Pseudo VLAN function is Disabled by default Select Per Node from the drop down list Click on the Apply button Extended Features Access Control J WMM Parameters Access Control Setup Desablo v Ap Pseudo VLAN Tog VLAN 33 Chapter 4 Common Configuration 4 4 1 2 Wireless Pseudo VLAN Per Group Netkrom AIR BRS500G GH can configure up to four groups of wireless clients identified by their MAC address Whenever a wireless client requests network access Netkrom AIR BRSOOG GH will first verify whether its MAC address is present in any of the Pseudo VLAN groups If it is Netkrom AIR BR500G GH will grant it access to all the wired system resources and to all other wireless clients belonging to the same Pseudo VLAN group only Pseudo VLAN Group 1 es Outdoor AP Bridge R a Cable ADSL vf modem oti Xe p Ne The following steps demonstrate how to set up Wireless Pseudo VLAN Groups Wireless Pseudo VLAN Per Group From WLAN Setup under Configuration click on Advanced which shows the
60. lorer sccsccsssssssssscccssooes 12 Chapter 4 Common Configuration sccccssssssssssssssssssssssssssssssssssssssssssssssssees 18 A1 Management Port Setup ceckiecsiscccccsdevsdsnectivccedveces cadet caconssecsedeveecudceaveese duceteuesvadeseeteaveseaesees 18 AM Perwview the active DACP leass Secasseccadacsase a est ite 20 4 1 2 To reserve specific IP addresses for predetermined DHCP clients 21 AD WEAN SO OUD acinis eaa AE Rna E N ar EN a a estes 24 4 2 1 To configure the Basic setup of the wireless mode onosoesnesesssssssssssssssseeeerreeso 24 4 2 2 To configure the Advanced setup of the wireless MOdE ccssesseseeeseseeeeeeeeeeees 27 4 3 Scan for Site Survey For Wireless Client Mode Only sssssssesecccceccccocccssssssesecceecooosso 30 4 3 1 Show Link Information For Wireless Client Mode Only cccesseseeeeeeeeeeees 31 AA Wireless Extended Feat escicn aaan aada iadaaa 32 4 4 1 Access Control The Wireless Pseudo VLAN ccccccccceecccceeeeessesseseeeeeeeeeees 32 4 4 2 Wireless Setup The Wireless Distributed System WDS cccccceeeeeeeeeeeeees 40 4 4 3 WMM Parameters available in all modes except for Wireless Bridge Link 46 4 4 4 Long Distance Parameters available in all modes 0000nnnsesooeeneeesssssssssssseeeeeeeess 48 AS WEAN SCUTI Y ccrti A A a 50 4 5 1 How to set up WEP Available in ALL modes
61. ltering YSTEM TOOLS System Identity Set System s Clock Firmware Upgrade Save or Reset Settings Reboot System Change Password Logout Message Window About System Reboot the system 32 V erify the IP address of Netkrom AIR BR500G GH The NpFind Utility Netkrom has designed another utility program NpFind intended to help you verify the IP address of your Netkrom product Follow the next steps to check the IP address of your Netkrom AIR BR500G GH 1 Insert the Product CD into the CD ROM drive 2 It will automatically run to the page shown below 3 Click on Utilities 4 Click on the NpFind program to run it The screen will automatically display the IP address of the Netkrom device detected 11 Chapter 3 Access to Web based Interface fe Npfind Fouker Wireless 4G Access Paint Hame Wireless Access Point IP Address 192 169 168 1 3 3 Direct access to web based interface via Internet Explorer For this method you need to assign an IP address to your PC so that it belongs to the same subnet as your Netkrom AIR BR500G GH In this example we are using Windows XP for illustration for Windows 98 98SE 2000 NT ME kindly refer to Appendix III TCP IP Configuration Explore Search for Computers 1 Go to your desktop right click on My Network RMN netware Losin Places and select Properties ERA N NetWare Connections me N Novell Map Network Drive ZI N Novell Capture Printer Port
62. m that dialog box Press the OK button to return to the previous screen For PPPoE users click the radio box option Never dial a connection to remove any dial up pop ups Press the OK button to finish For Netscape 4 7 or later versions Start Netscape Navigator From the Edit menu bar select Preferences then Advanced and finally Proxies Make sure that the Direct connection to the Internet option is selected Close all windows to finish 99 Appendix I Troubleshooting 4 I want to set Netkrom AIR BR500G GH to its factory default settings A B Power up the gateway Depress the Reset button situated at the back of the device and hold it for 2 to 10 seconds before releasing it 5 My laptop is not able to access Netkrom AIR BR500G GH A In the Command Prompt type ping 192 168 168 1 and press the Enter key If you get a reply your laptop is communicating with the gateway If you do NOT get a reply please continue with the following steps Ensure whether your wireless card and driver have been properly installed Open the Control Panel Double click the System icon Inside the Device Manager window expand the Network Adapters listing and verify whether the name of your wireless card is listed If it does not power down your laptop Remove the wireless card from its slot and re insert it ensuring that it properly fits into the slot Reboot your computer If it does click on it and press the Properties bu
63. menting IP Filtering Only available in Gateway and Wireless Routing Client mode 82 Chapter 5 Further Configuration Enabling the IP Filtering function causes Netkrom AIR BRS500G GH to decide according to predefined rules whether to block all outgoing packets or to let them pass Netkrom AIR BRSOOG GH provides granularity and latitude in monitoring the traffic in your network by allowing you to define IP filtering rules based on these 3 factors e Source IP Address This would allow you to selectively restrict Internet activity originating from a specific PC or group of PCs e TCP Port You may choose to prevent certain applications such as FTP or Telnet which use a commonly known port number e Time frame For example you may restrict Internet access from your children s PC to certain time frames such as between 19H30 and 21H45 For instance let us assume that an IP filtering rule has been defined as TCP Port 23 from any IP on any day at any time Port 23 is usually used for Telnet If the sent radio button is selected all outgoing packets will be sent except those belonging to Telnet sessions On the other hand if the discarded radio button is selected all outgoing packets will be blocked except for those belonging to Telnet sessions We illustrated the second case below AEEA 2 i EEE HTTP 5 gt a j _ Telnet p W24 BRO54AG IP Filtering Click on IP Filtering from the CONFIGURATION
64. menu 83 Chapter 5 Further Configuration Select either the Sent or Filtering Confiquration Discarded radio button to accept Wines dh il AM i or reject any packet conforming to the rules ANTP packets wil be Ghaent Odiscarded except for those matching ome or more of the following rules Click on the Add button to set the new rule in the IP Filter Configuration GUI F the system loses ss time settings Clyro Clacoept the access time setts m the abowe riles Appity Aga Detone Eda Halp is pi Insert a Rule Name for this new packet filtering rule From the IP Address drop down list select whether to apply the aes rule to From To A Range of IP addresses In this case you will have to define From which IP address 192 168 168 a To which IP address your 192 168 168 75 range extends A Single IP address TP Addr Single Here you need only specify the ee Single i source IP address in the From From 192 168 168 25 field To 192 168 168 Any IP address IP Address Any E You may here leave both the From as well as the To ro 192 168 168 1 fields blank To 192 168 168 IP Filtering continued At the Destination Port drop 84 Chapter 5 Further Configuration down list select either Destination Port From To A Range of TCP ports In this case you will have to Destination Port define From which port To Grom which port your rule applies
65. nection will not be lost All wireless users will be able to communicate with each other if they are associated to the access points of the same WDS zone 60 Chapter 4 Common Configuration F Man D a r Am A Scenario 3 With STP and Pseudo VLAN In this example both STP and Pseudo VLAN are implemented in this network All wireless users are unable to communicate with one another This is one of the measures to ensure data privacy between wireless users in the network AP 1 gt Notebook 1 arn bes ui E AP 3 X eo gt Pa N i X T 7 LL e f o E Notedoot s 7 AP 5 a gt Notebook 4 a AP 4 Chapter 4 Common Configuration Enabling STP Setup Click on STP Setup from the CONFIGURATION menu Select Enable from the STP Status STP Setup radio button FIF Statue h Fnable Doral DIF Demerated ced Foeni 0 65555 STP Status Seis Activate Spanning Tree Protocol Porra DAE STP function makes your network more resilient to link failure and also Notre Changes made will only take affect aftar rebootin provides a protection from loop Seve Etot Hein Ho Age 6 40 Priority Specify the configurable value that is appended as the most significant portion of a AP This value specifies which access point acts as the central reference point or Root AP for the STP system the lower the priority value the more likely the access
66. ng this type of connection Netkrom AIR BR500G GH requests for an IP address which will be automatically assigned to it by your Internet Service Provider This type of connection applies for instance to e Cable Vision subscribers e HOME Cable Service users PPP over Ethernet PPPoE Select this type of connection if you are using ADSL services in a country utilising standard PPP over Ethernet for authentication For instance If you are in Germany which uses T 1 connection or Chapter 1 1 4 4 Product Overview If you are using SingNet Broadband or Pacific Internet Broadband in Singapore Singapore ADSL Ethernet 512K This applies to ADSL subscribers in Singapore including SingTel Magix SuperSurf users Australia BPA Cable This connection type is customised for Big Pond Cable Internet users in Australia PPTP The Point to Point Tunnelling Protocol PPTP mode enables the implementation of secure multi protocol Virtual Private Networks VPNs through public networks The Wireless Routing Client Mode An application of this mode would be for the Ethernet port of the Wireless Routing Client to be used for connection with other devices on the network while accessing to the Internet would be achieved through wireless communication with wireless ISP internet Public IP address is transmitted wirelessly Switch Broadcasting Tower Outdoor AP Bridge as Wireless Routing Client Mode Workgroup of P
67. nt version of your firmware by clicking on About System from the HELP menu Keep your Netkrom AIR BRS500G GH updated with the latest capabilities by downloading its latest firmware revision from either of Netkrom s corporate web sites at www netkrom com before following the next steps To begin with ensure that you have downloaded the latest firmware onto your local hard disk drive Firmware Upgrade Click on Firmware Upgrade from the SYSTEM TOOLS menu Key in the path and file name of Firmware Upgrade the downloaded file in the Browse y Upgrade Firmware path and file name Upgrade Firmware path and file name field Alternatively click on the Browse button to locate the file Chapter 6 System Utilities Click on the Upgrade button Follow the instructions given during the upgrading process Reboot the system NOTE The firmware upgrade process must NOT be interrupted otherwise the device might become unusable 6 1 5 Save or Reset Settings You may choose to save the current configuration profile to make a backup of it onto your hard disk to restore an earlier profile saved on file or to reset Netkrom AIR BR500G GH back to its default settings Save Your Settings Click on Save or Reset Settings from the SYSTEM TOOLS menu i l Click on the Save butto Save the System s current configuration Reboot the system Sav Backup Your Settings If you want to back up the current settings of your N
68. ntrol The Wireless Pseudo VLAN A VLAN is a group of PCs or other network resources that behave as if they were connected to a single network segment Those stations which are assigned to the same VLAN share network resources and bandwidth as if they were connected to the same segment Conversely only the stations within the same VLAN can access each other A Wireless Pseudo VLAN acts by segregating a single wireless LAN into multiple virtual LANs so that communication is possible only among wireless clients within the same VLAN When operating in the Gateway mode Netkrom AIR BRS500G GH lets you create VLANs containing either a single user and referred to as Wireless Pseudo VLAN Per Node or a group of users termed Wireless Pseudo VLAN Per Group When operating in the Access Point mode Netkrom AIR BR500G GH allows you to define Tag VLANs in addition to the Wireless Pseudo VLAN Per Node and the Wireless Pseudo VLAN Per Group To learn more about Netkrom s exclusive Wireless Pseudo VLAN please refer to the whitepaper available online at www netkrom com 32 Chapter 4 4 4 1 1 Common Configuration Wireless Pseudo VLAN Per Node When implemented this mode isolates each wireless client into its own pseudo VLAN Wireless clients can therefore access resources on the wired network but are unable to see each other or access each other s data N pseudo ed Ho di Internet g Outdoor AP Bridge eia Cab
69. o to Custom Server Key in the Private IP Address Define the Port numbers to use Select the relevant Protocol from the drop down list Identify the Server Type Click on Add button We entered a Private IP Address of 192 168 168 55 defined ports 15 to 89 as the application Ports selected UDP from the Protocol drop down list and labelled the Server Type as LAN Game The updated NAT Static Port Based Entries will reflect your new entry If you want to assign more servers in your LAN click on the Add button Delete a table entry If you want to delete any of the NAT Static Port Based Entries table entries Private IP Protocol Parts Server Type 192 160 168 55 UDP 15 49 LAN Game Ae Lt Lot 45 TCP Livi 1 PORT Select the entry to delete Click on the Delete button The table will be refreshed asa E T1 Chapter 5 Further Configuration The following is a non exhaustive list of well known port numbers Application Port Number SMTP Simple Mail Transfer i e email Telnet Time Name server Gopher WWW World Wide Web 5 4 Routing Only available in Gateway and Wireless Routing Client mode Netkrom AIR BRSOOG GH supports both static routing so that you can manually add entries into its routing table and dynamic routing where it will automatically update the routing table whenever necessary NOTE The default settings of Netkrom AIR BRS500G GH are sufficient to allow broadband Internet sharin
70. or public information that can be served to the outside world on the DMZ host Setting up DMZ Click on NAT from the CONFIGURATION menu Ensure the NAT Status is Nat DMZ Ip Address enabled Froivate IF Aditi 192 160 16855 At the Advanced NAT Options rere section ARE Click on DMZ Key in the IP address of the PC you wish to place within the DMZ in the Private IP Address field The default Private IP Address is set to 0 0 0 0 For illustration we entered 192 168 168 55 Click on the Apply button to confirm your entry DREW G DVA Enter 0 0 0 0 as the Private IP Nat DMZ Ip Address Address Prvate P Addres 000i Click on the Apply button t 74 Chapter 5 5 3 2 Further Configuration To set up port forwarding Port forwarding allows Netkrom AIR BR500G GH to redirect any incoming Internet request bearing a public IP address to a specific PC on your network based on the incoming packet s TCP UDP port number You can thus use TCP port forwarding to hide your web server behind Netkrom AIR BRS500G GH for added security while using UDP port forwarding lets you run a secure multiplayer game server The following diagram shows a Netkrom AIR BRS00G GH with a public IP address of 203 120 90 3 and a private IP address of 192 168 168 1 All incoming packets with port number 80 will be forwarded to the Web server known on the LAN as 192 168 168 5 while those with port number 21 will be directed to the FTP server
71. r selecting WPA2 PSK and WPA PSK AUTO you can use the above procedure of selecting WPA PSK However for WPA actually is the same as WPA1 AES is not mandatory whereas AES is mandatory for WAP2 4 5 3 How to set up 802 1x RADIUS Available in Access Point mode ONLY The guidelines below will help you to set up Netkrom AIR BR500G GH for using 802 1x RADIUS Security Mode 802 1x RADIUS At the WLAN Security Setup WLAN Security Setup page Select 802 1x mode Security Mode WPA PSK w Click on Apply button WPA PSK AUTO WPA EAP AUTO Key in the IP address of the IEEE 802 1X RADIUS Setup Primary RADIUS Server in your WLAN Primary RADIIS Server IF 1oo0 secondary RADIUS Server IF 0 0 0 0 Authenteration Port 1812 You can optionally add m the IP Shred Secret Key PET address of a Secondary Broadcast Rey Rotation seconde 300 one 99 RADIUS Server if any Masamum Retransruenens 3 31 10 Traient Rey Length fel bits MDS Authenbraten Disable Nelo Changes saaaie will oniy bike efiecl afler robooliig 54 Chapter 4 Common Configuration Refer to the section on How to set up WEP Press the Save button Click on Reboot to restart the system after which your settings will become effective The RADIUS authentication server MUST be in the same subnet as Netkrom AIR BRS500G GH 4 5 4 How to set up WPA EAP Available in Access Point mode ONLY The guidelines below will help you to set up
72. ress will enable the DHCP server to Address automatically assign an IP address to any PC belonging to a different subnet or LAN Always use these If this checkbox is enabled the DHCP server will also resolve the DNS servers DNS queries of the computers Otherwise you will have to set up DNS information manually for every PC in your network Primary DNS IP Your ISP usually provides the IP address of the DNS server Address Secondary DNS IP This optional field is reserved for the IP address of a secondary DNS Address server DHCP Server If you disable the DHCP server you will need to manually configure the TCP IP parameters of each PC in your network 19 Chapter 4 Common Configuration 4 1 1 To view the active DHCP leases The following will guide you to a page display of the active IP address leases that have been allocated by the built in DHCP server of Netkrom AIR BRSOOG GH View Active DHCP Leases Click on Management Port from the CONFIGURATION menu Go to the Advanced DHCP Server Advanced DHCP Server Options Options section click on the Show Active DHCP leases button Show Active Dhcp Leases X Dhcp Server Reservations The DHCP Active Leases table displays The IP Address that has been allocated to the DHCP client The Host Name of the DHCP client Its Hardware MAC Address The date and time at which the IP address leased expires DHCP Active Leases IP Address Hort Hame Hardware Addreen
73. rk Mark 0 0 0 0 Gateway IP Address 0 0 00 Network Mask Primary DNS opoo _ Gateway IP Address Secondary DHS A Primary amp Secondary DNS Usemame igcnamia Noin Changer made Wl omy iate effect gliter reoooting Seve Reboot Help k If you are offline pressing the Connect button will immediately initiate a connection Click on the Save button Click on the Reboot button to restart the system and allow the changes to take effect 68 Chapter 5 Further Configuration PPPoE Parameter Description MTU The MTU or Maximum Transmission Unit is the largest packet size allowed by the ISP It is set by default to 1462 though it can vary between 1400 and 1492 Username This refers to your broadband account username Password This refers to your broadband account password Service Name This optional field allows you to key in the service name of your ADSL subscription On Demand If enabled the Netkrom AIR BRS500G GH router will automatically connect to the ISP whenever a LAN client makes an Internet request Idle Timeout This field is relevant only if the On Demand option is enabled and allows you to specify a maximum lapse of idle time allowed before Netkrom AIR BRS500G GH automatically goes offline It will only re connect when a LAN client makes an Internet request If the field is set to 0 this feature will be disabled and Netkrom AIR BRSOOG GH will remain online unless disconnec
74. sed System Disable Note Changes made will only take effect after rebooting The Access Point Name field appears when Nekom AIR BRSOOG GH is in AP Gateway mode and refers to the identity of the device In AP Gateway mode the ESSID uniquely identifies each WLAN The Wireless Profile drop down list Satzeae Prone ae SHINEE s provides a selection of network Country environment types in which to operate Channel B02 11 big mixed Netkrom AIR BR500G GH Chapter 4 Common Configuration 802 1 1a 802 11b only 802 11b g mixed when both b and g clients are present 802 11g only UNITED STATES __EditCounty Seting Choose a Country that you are located Click on the Edit Country Setting button to select your country Click on the Apply button to update the changes 26 Chapter 4 Common Configuration 4 2 2 To configure the Advanced setup of the wireless mode The following will guide you to configure the advanced setup of the wireless mode you have selected Advanced Setup Wireless Mode Double click on WLAN Setup from the CONFIGURATION menu to expand into the four sub menus From here click on Advanced SARICI SIAT ihi h FE Tu in bad pee Fe a a ee OAS ih E EAA a Management Port WLAN Setup Security Advanced Statistics In the WLAN Advanced Setup page WLAN Advanced Setup Beacon Interval 100 100 20 1000 Data Beacon Rate DTM 1 1 1 16384 RTS CTS Threshold 2346
75. shooting Troubleshooting Al Solutions to Common Problems In this section we list suggested steps to rectify some common problems that may arise during the installation and operation of Netkrom AIR BRS500G GH If you do not find an answer here you may also visit the corporate Netkrom website at www netkrom com 1 I want to know whether Netkrom AIR BR500G GH is connected to the Internet A Open a Command Prompt For Windows 98 98SE ME please click the Start button and Run In the Open field within the Run dialog box type in command Press the Enter key or click the OK button For Windows 2000 and XP please click the Start button and Run In the Open field within the Run dialog box type in cmd Press the Enter key or click the OK button In the Command Prompt type ping 192 168 168 1 and press the Enter key You will get a reply if the PC is communicating with the Netkrom AIR BRSOOG GH Access Point If you do NOT get a reply ensure that your settings are correct before trying again Your computer MUST be in the same subnet as Netkrom AIR BR500G GH In the Command Prompt type ping www netkrom com and press the Enter key Obtaining a reply means that you are connected to the Internet Otherwise you may want to ping another known host Getting no reply from any of the other hosts that you have tried suggests that your connection may be having problems 98 Appendix I Troubleshooting 2 Iam not getting an IP
76. ssnas 1 A MING P OG CUNO nania a a e i 1 1 2 Features and Bem iits sicsscctiiececcssiccpccativcacctivssiceasiacaucisiedtaneieacusctecacusauuediudeeteadisaeiedeueccesatveasees 1 1 3 Netkrom AIR BR500G GH Package ssssssscccscsccccccccccccssssssssssccscsccccccssssssssssssssees 3 1 4 When to use which MOGs sisssececessccacescsoossceesavesvassnostaanstwevessscaventaccesnnsscossseeseduvees sauesanccesoooeons 3 L41 TheAccess Point Mode ineen E AE 4 142 The Access Pont Chent Modecriieseniese e a 4 HA Whe Gate way Modise a a 5 1 4 4 The Wireless Routing Client Mode 1 0 si ccvevssvhiwerssciansacval asians siciaseneioucersinkaseeiacaumeveiveas 6 1 4 5 The Wireless Bthernet Adapter Modens da a a dea 7 1 46 The Wireless Bridge Link Mode yids cisco sies ati csuisccwvsdivssnddeecsuvsy docaksuneacinesne Mew tau scales p Chapter2 Hardware Installation sccivccsesdeccevcccdsecsicsceeedeccesss aneas eee ananasa sees 8 Dak SCUIP IRCGMIPCMICIUS E E A A A A E E A E T 8 2 2 Netkrom AIR BR500G GH Hardware Installation ssscsssssssssssssssssssssssssssssesees 8 Chapter 3 Access to Web based Interface ccccccccsssssssssssssssssssssssscsssssccsscoooes 9 3 1 Access to the Web interface with uConfig cccsssscscccccccccccssssssssssscssssscsccccccsssssseees 9 3 2 Verify the IP address of Netkrom AIR BR500G GH The NpFind Utility 11 3 3 Direct access to web based interface via Internet Exp
77. tains three WDS links while each Outdoor AP Bridge gateway uses one port only for communication with the root 40 Chapter 4 Common Configuration 4 4 2 2 Chain Configuration WDS A chain configuration WDS spans an area in length for instance a long corridor Satellite access points are chained together starting from a root access point Netkrom AIR BR500G GH at either end of the chain will have only one WDS port enabled while the access points in the middle will have two WDS ports configured to associate with the neighboring Netkrom AIR BR500G GH upward and downward in the chain WDS Chain Configuration Cable ADSL Root Outdoor AP Bridge Outdoor AP Bridge _ _ Se lt e m n ye gt a Outdoor AP Bridge lt i gt eo j AD n P gt p gt t x ou 7 a A 4 7 i i F x i Ws ass sa a 7 PR pa 4 Chapter 4 Common Configuration The following steps will guide you in setting up WDS in your Netkrom AIR BR500G GH WDS Configuration Setup From WLAN Setup under Configuration click on Advanced which shows the WLAN Advanced Setup page Go to the Extended Features Ext ended Features section Click on the WDS sles Configura tion button Access Control WD Configuration WMM Parameters Long Distance he As illustrated on the WDS e Setup the WDS feature is SAGS ASUP Disabled by default WDS Global Control Select Enable from the WDS Global Control drop down list to operate
78. ted by the ISP Always On If this feature is enabled Netkrom AIR BRSOOG GH will remain permanently connected to the Internet Reconnect Time Factor This field is relevant only if the Always On option is enabled and allows you to specify a maximum lapse of offline time following which Netkrom AIR BR500G GH should automatically reconnect to the Internet The default value has been set to 30 seconds Use non standard PPPoE Ethernet type This applies to certain Ethernet based ADSL modem requiring non standard PPPoE for authentication In case of doubts do NOT enable this checkbox 69 Chapter 5 Further Configuration 5 2 4 Singapore ADSL Other ADSL subscribers in Singapore including SingTel Magix SuperSurf users should opt for this type of connection Changing WAN Type Singapore ADSL Configuration At the Singapore ADSL WAN WAN Setup Setup page Wan Type Singapore ADSL Ethemnet 512K Change Usermame Usemame INT512 Key in the Username of your Internet account Password eeceeess Idle Timeout 30 3600 O Disable 300 seconds Status Disconnected Connect Insert your account Password TP Address 0000 Network Mask 0000 Gateway IP Address 0 0 0 0 Enter an Idling Timeout value Primary DNS 0 0 0 0 in the range of 30 3600 seconds pases Sk 0 0 0 0 Entering 0 will disable this feature Note Changes made will only take effect after rebooting The Status section gives you a summ
79. the Extended Features Extended Features section and click on the WDS Configuration WMM Parameters button mmea rea WMM Parameters Long Distance Parameters The WMM Setup function is WMM Setup WMM by default WMM Select WMM from the drop broene down list Click on the Apply button i Pg an WMM Setup WMM None h WMM Mi 46 Chapter 4 Common Configuration AP WMM Parameters AC TYPE CWMin CWhitlax AIFS TxopLinit AT OBE 4 AC BEJ AC VS 3 AC_VO ri 3 BSS WMM Parameters AC TYPE CWMin CWMax ALFS TxopLimut ACM AC BEN l4 AC BERE i 4 AC VEJ J AG VO 2 Depending on the mode you set up you have to select either AP Access Point or BSS Basic Service Set WMM Parameters For instance if the mode is AP select AP WMM Parameters The following parameters are described CWmmin It is the minimum Contention Window It is a random number drawn from this interval or window for the backoff mechanism CWmax It is the maximum Contention Window It is a random number drawn from this interval or window for the backoff mechanism AIFS Arbitrary Inter frame Space It is the minimum time interval between the wireless medium becoming idle and the start of transmission of a frame TXOP Limit Transmission Opportunity It is the minimum duration for which a QSTA can transmit after obtaining a TXOP ACM Admission Control Management Ack Policy Acknowledge Policy 47 Chapter 4 Common Confi
80. the uConfig utility to your hard disk 6 When the utility has been installed double click on the uConfig icon Chapter 3 Access to Web based Interface Help NIC Adaptor List Intel R PRO 100 00 08 0D CC 64 DD 192 168 1 23 255 255 255 0 Intel R PR07100 00 08 0D CC 64 DD 192 168 168 100 255 255 255 0 0 0 0 0 0 0 0 0 192 168 1 1 192 168 1 23 20 127 0 0 0 255 0 0 0 127 0 0 1 127 0 0 1 1 192 168 1 0 255 255 255 0 192 168 1 23 192 168 1 23 20 192 1AA 1 73 JAR PAR PAR PAA A 127 0N1 an Wireless G Access Point Wireless Access Point 00 80 48 3b a4 83 192 168 1 45 7 Select Netkrom AJR BR500G GH in the Products List section and click on Open Web button 8 At the login page press the Log On button to enter the configuration page Wireless LAN Access Point Management Please enter your password essccese bog On Forgot your password see the User s Guide for instructions 9 You will then reach the home page of Netkrom AIR BRS500G GH s web based interface 10 Chapter 3 Access to Web based Interface Wireless LAN Access Point Microsoft Internet Explorer AHA ay File Edit View Favorites Tools Help Q sax x a A JO search P Favorites Ameda 4 2 ee a La rel Address http 192 168 168 1 act_login vi Eco Links Wireless LAN Access Point CONFIGURATION The current network mode is Access Point Bridge Management Port WLAN Setup STP Setup SNMP Setup MAC Fi
81. tion List Available in Gateway mode Click on WLAN Station List from the SYSTEM TOOLS menu Click on the Refresh button to WLAN Station List get the latest information on the availability of wireless clients in e WES ee ae ee AP 00 80 48 2B E5 u the wireless network Seed 6 1 3 Set System s Clock Synchronizing the built in clock of Netkrom AIR BR500G GH with the time kept by your workstation will enable you to effectively manage and operate the time based functions provided by Netkrom AIR BR500G GH Set System s Clock Click on Set System s Clock from the SYSTEM TOOLS menu 92 Chapter 6 System Utilities Select the appropriate time zone System Time Setting from the Select to Change the Time Zone for the system Location drop down list Curent Systeri Tore 01001940 00S 4 and time fone GMT 700 Standard Time Enable the Auto Time Setting Proposed sytem Time _0 18 200401 58 11_ C1 Daylight Saving Tene Select to Change the Dime Sone for the system Locabon SNTP radio button GM T U Mountan Tena GS A Carada ba SNTP stands for Simple Awto Time Sening SNTE C Ensble Dirbk z Tone Servers Network Time Protocol and is used to synchronies computer clocks in the Internet CE iine rii pov art na BO eu Fill in the Time Servers field Click on the Apply button to effect the changes 6 1 4 Firmware Upgrade Netkrom products are designed for upgradeability You can check the curre
82. tton Check whether Device Status displays this message This device is working properly If it does not you will need to uninstall and re install the software driver Verify whether your Netkrom AIR BRS500G GH gateway and your laptop and or other wireless clients have been configured with the same SSID which is the case sensitive name of the wireless network that you are trying to access and the same WEP settings Check whether your Netkrom AIR BR500G GH gateway and your laptop are using the same frequency channel 100 Appendix I Troubleshooting 6 My network contains several Netkrom AIR BR500G GHs but they are unable to connect to each other A Ifyou are running the Parallel Broadband feature Though they may belong to different SSIDs the gateways MUST operate in the same frequency band B If you are trying to implement a WDS Verify that the gateways are functioning in the same frequency band Check whether the MAC address that you have added as WDS link corresponds to the wireless MAC address displayed in the About System page of your gateway 101 Appendix II Firmware Recovery Appendix II Firmware Recovery This section demonstrates how to reload the firmware to Netkrom AIR BRS500G GH should the system fail to launch properly In such cases Netkrom AIR BRSOOG GH will automatically switch to loader mode and the DIAG LED will light up and remain ON Table 1 below illustrates the behaviour of the DIAG LED N
83. which has a private IP address of 192 168 168 8 Cable ADSL modem 203 120 90 3 _ _ S ste _ _ _ 192 168 168 1 Ga Am 90 3 21 203 120 90 80 Ww Pp 192 168 168 5 Web Server 5 8 FTP Server 75 Chapter 5 Further Configuration Set up Port Forwarding For Known Server Click on NAT from the CONFIGURATION menu Ensure whether the NAT Status is enabled At the Advanced NAT Options section Click on Port Forwarding The NAT Static Port Based Entries table illustrated by the screen shot displays the list of current port based entries Click on the Add button For standard server applications HTTP FTP POP3 Netmeeting go to the Known Server section Complete the Private IP Address field Advanced NAT Options DMZ Fort Forwarding N NAT Static Port Based Entries Private IP Protocol Ports Server Typi Add New Nat Port Based Entry Known Server Private IP Address 192 168 168 45 Server Type HITE Pick the appropriate selection from the Server Type drop down list Click on Add button We illustrated with a POP3 server having Private IP Address of 192 168 168 45 76 Chapter 5 Further Configuration Set up Port Forwarding For Custom Server Otherwise in order to set up a Internet applications which are Private IP Address 192168168185 Protocok UDP not defined in the Known Pons 15 89 Server Type LAN Game Server section g
84. work mode is Access Point Bridge Management Port WLAN Setup STP Setup SNMP Setup MAC Filtering TrLA TAAI System Identity Set System s Clock Firmware Upgrade Save or Reset Settings Reboot System Change Password Logout About System i LIY tweet Reboot the system Internet ios 17 Chapter 4 Common Configuration Chapter 4 Common Configuration This chapter illustrates the following features which are available in ALL the operating modes of Netkrom AIR BR500G GH unless stated otherwise Management Port WLAN Setup WLAN Security SNMP Setup 4 1 Management Port Setup This section shows you how to customize the parameters of Netkrom AIR BR500G GH to suit the needs of your network It also explains how to make use of the built in DHCP server of Netkrom AIR BR500G GH Setting up your LAN You can opt to adjust the default values of Netkrom AIR BRS500G GH and customize them to your network settings LAN SETUP Click on Management Port from the CONFIGURATION menu In the Management Port Management Port Setup Setup page refer to the table below to replace the IP Address 192 168 168 1 default settings of Netkrom Network Mask 255 255 255 AIR BR500G GH with Management Gateway Ip O j0 O appropriate values to suit DHCP Start IP Address 192 1e8 jies the needs of your network DHCP End IP Address 192 168 J168 DHCP Gateway IP Address 0 J0 J0 Cl Always use

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