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14. Troubleshooting

The RangeLAN2 Access Point is designed to be very easy to install and operate.  If you
do experience difficulties, however, use the information in this chapter to help diagnose
and solve the problem.  If you cannot resolve the problem, contact Proxim, as described
in Appendix F, “How to Reach Technical Support.”

How to Obtain Help with Your LAN Installation

If you require assistance to install your LAN, Proxim can put you in contact with a
RangeLAN2 reseller in your area.  The reseller is an expert in the design, installation, and
maintenance of LANs and will be able to examine your needs and recommend the most cost-
effective solution for your LAN whether you are installing a new LAN or adding on to an
existing one.  For the location of the RangeLAN2 reseller nearest you, contact Proxim at
800-229-1630 and ask for the Sales Department.

Diagnostics Menu

There are diagnostic tools built into the RangeLAN2 Access Point that will assist you and
your reseller or Proxim Technical Support in solving problems.  The following diagram
illustrates the software tree:

Summary of Contents for RANGELAN2 7510

Page 1: ...RANGELAN2 Access Point Models 7510 and 752x User s Guide 2...

Page 2: ...t to tamper with or remove the Adapter s external foil label This warranty does not cover and Proxim will not be liable for any damage or failure caused by misuse abuse acts of God accidents or other...

Page 3: ...rence to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television recep...

Page 4: ...nfrastructure 14 Guidelines for Roaming 18 Repeating 18 Building to Building Configuration 19 5 Configuration 21 Locally Out of band 21 Remotely In band 22 Modem Support RangeLAN2 752x Only 22 Main Me...

Page 5: ...tatus Menu 41 Radio Status Menu 42 Bridge Status Menu 43 TCP IP Status Menu 43 Forwarding Database Table 43 9 SNMP Management 45 SNMP Supported Traps 47 10 Web Browser Management 49 Supported Web Brow...

Page 6: ...69 Ping IP Host 69 DiscoverAPs 69 Display Wireless Network Tree 70 Commonly Asked Technical Support Questions 72 LED Indicators 73 A Menu Structure 75 B Download Menu 81 C Glossary 83 D Parameters 85...

Page 7: ...vi...

Page 8: ...expandability of your wireless network increasing range and facilitating mobility applications It operates at the Data Link level layer 2 of the OSI model providing protocol independent access for Ran...

Page 9: ...ge area of an existing RangeLAN2 network RangeLAN2 791x Serial Adapter is a wireless serial device which acts as a replacement for an RS 232 cable RangeLAN2 792x Ethernet Adapter converts any Ethernet...

Page 10: ...w o r B b e W t n e m e g a n a M o N s e Y a i v n o i t a r u g i f n o C e t o m e R m e d o M p U l a i D o N s e Y s s e c c A r e h t o f o y r e v o c s i D s t n i o P o N s e Y l l a o t s e...

Page 11: ...and a null modem cable OR a computer running a TCP IP telnet client AND a BOOTP server At least one other RangeLAN2 LAN adapter product installed on the network The Product Package Each RangeLAN2 Acce...

Page 12: ...5 Figure 1 RangeLAN2 Access Point components...

Page 13: ...6...

Page 14: ...s on your network If the above conditions are not true more detailed configuration information is described in Chapter 5 If your installation meets the preceding criteria proceed with the following in...

Page 15: ...ernet cable to the Ethernet port on the back of the RangeLAN2 Access Point 3 Plug the power cable into the back of the RangeLAN2 Access Point and into an AC power outlet Since there is no On Off switc...

Page 16: ...be properly terminated on each end Standard 10Base2 specifications apply to the 10Base2 interface of the RangeLAN2 Access Point Each coax cable segment can support up to 30 devices and the cable itse...

Page 17: ...ns with extreme ambient temperatures In addition Proxim offers an optional Outdoor Enclosure shown without the lid attached in Figure 5 below for installations which afford little or no protection aga...

Page 18: ...11 Figure 4 Cubicle Mount...

Page 19: ...12 10BASET 10BASE2 Figure 5 Outdoor Enclosure...

Page 20: ...relessnetworkingsoftware Wirelessproductsaretypicallyusedinseveralnetwork topologiesdescribedinthischapter Ad Hoc WithwirelessLANs oneormorecomputerseasilyestablishanadhocnetworkwhenthe unitsareinrang...

Page 21: ...o access the network re sources PC PC Server RangeLAN2 7510 7520 RangeLAN2 7400 RangeLAN2 7400 RangeLAN2 7100 Figure 6 Single AP Forlargerenvironments RangeLAN2productssupporttheabilitytoroamfromonewi...

Page 22: ...7510 7520 Figure 7 Roaming Light Overlap WithRangeLAN2 smulti channelarchitecture AccessPointscanbeplacedwithinthesame cellareatoincreasetheaggregatethroughputsupportedbythenetwork Inaddition the over...

Page 23: ...p EachRangeLAN2AccessPointwithinaroamingnetworkmustbe configuredasaMaster on a unique Channel Subchannel pair but all must have the same Domain number and Security ID The portable PCs are equipped wit...

Page 24: ...ons for examples of networks set up with RangeLAN2 roaming domains Many more network configurations exist Proxim s diverse line of RangeLAN2 products allows you to customize your wireless configuratio...

Page 25: ...ith Domain and Security ID matching the RangeLAN2 Access Points they will roam between The cells created by RangeLAN2 Access Points must overlap Roaming will not occur across routers unless using a th...

Page 26: ...many cases theywillbeplacedonrooftops One Access Point will be a Master the other will be a Station The two devices mustbeonthesameDomainandSecurityID DisabletheFixedNodesFilteronbothoftheAccessPoints...

Page 27: ...20...

Page 28: ...al upmodems Remotely across the network using an SNMP management package Remotely across the network via a Web browser Locally Out of band You may use the DB 9 Local Management Port on the back of the...

Page 29: ...ess Enter to enter the software configuration menu If the unit was already turned on you can press Enter to display the menu Remotely In band The second configuration option is remote configuration ac...

Page 30: ...ssresultcodes AT W0 Storeconfigurationinnon volatilememory 3 Attach a modem via a straight through cable to the RangeLAN2 752x Access Point 4 From a remote modem dial the phone number of the modem con...

Page 31: ...752x Access Point using an SNMP management package SNMP Management of the RangeLAN2 752x Access Point is described in Chapter 9 Remotely via a Web Browser RangeLAN2 752x Only You may configure and mo...

Page 32: ...Network Address ARP Filter Subnet Mask Filter MAC Multicast Packets MAC Filter Address MAC Filter Subnet Mask Broadcast Bandwidth Allocation Filter Configuration Menu Aging Period seconds Forwarding...

Page 33: ...f A ll A P s Authorization Table Configuration Menu E nable D isable S NM P Read Only S NM P C om munity Read Only S NM P M anager IP A ddress Read W rite S NMP C om m unity Read W rite S NM P M anage...

Page 34: ...c a r a h c 0 1 t n e m e g a n a M r e s w o r B d e l b a s i D d e l b a n E d e l b a n E e m a N r e s U r e s w o r B s r e t c a r a h c 0 1 d r o w s s a P r e s w o r B s r e t c a r a h c 0...

Page 35: ...e and you can supply the IP address of that server You can enable or disable the ability to open a telnet session to the RangeLAN2 Access Point and set a password to control telnet access You can enab...

Page 36: ...N g n i r e t l i F g n i r e t l i F t o N t s a c d a o r B P I R X P I r e t l i F s t e k c a P g n i r e t l i F t o N g n i r e t l i F g n i r e t l i F P A S X P I r e t l i F s t e k c a P t...

Page 37: ...e of interest to routers and not end stations these filters can typically be turned on saving valuablebandwidth The ARP Filter Network Address and ARP Filter Subnet Mask enable IP ARP broadcast filter...

Page 38: ...r which an SNMP trap will be sent This parameter is only supported on the RangeLAN2 752x Access Point which has the capability of holding 2048entries Ethernet Configuration Menu e m a N r e t e m a r...

Page 39: ...int Ifthe10BaseTLinkMonitor isenabledatanytimewhena10BaseTEthernetconnectiondoesnotexist the Access Point will switch to the Error Domain and will NOT operate as intended Ethernet Port Administrative...

Page 40: ...R o i d a R y a l e D e s l a F e u r T e s l a F g i f n o C m a o R t s a F l a m r o N w o l S l a m r o N d e l b a n E g n i m a o R e s l a F e u r T e u r T e z i m i t p O C A M t h g i L t h...

Page 41: ...ern the Master is currently using There must be at least one station on the network designated the Master For most network operating systems the RangeLAN2 Access Point should be the Master and all cli...

Page 42: ...partment may use Domain 5 Then engineers can only roam within the geographical area mapped out by RangeLAN2 Access Points with a Domain setting of 2 When the RangeLAN2 Access Point is configured as a...

Page 43: ...ith the RangeLAN2 Access Point The Roam Config parameter allows you to determine how quickly this Access Point when configured as a Station will roam from one Master RangeLAN2 Access Point to another...

Page 44: ...Access Point itself not in software It cannot be accessed but you may change it If you do change it however you will need to change the Security ID on all other radios with which this one was communic...

Page 45: ...file will be uploaded the IP Address of the FTP server the FTP User Name and FTP Password This menu also allows you to enable or disable an Access Point s ability to respond to an upload request from...

Page 46: ...ve C ollision P ackets Tx D eferred P ackets Tx C arrier S ense E rrors Tx Internal MA C E rrors Ethernet Statistics Menu E thernet C ache Filter C ount W ireless C ache Filter C ount C urrent Forward...

Page 47: ...displays information regarding packets that were filtered due to the bridge s learning about the location of nodes It also shows the percentage of the bridge s for warding table that is used up alread...

Page 48: ...Current Master Name C urrent Synced To Master Name Current First Sync To Master C urrent Roam C onfig Current Roaming Enabled C urrent Repeating Status Current MAC Optimize Radio Traffic Level Radio B...

Page 49: ...urrently synchronized The First Sync To parameter lists the name of the Master to which this RangeLAN2 Access Point will first look to synchronize If programmed there will also be parameters for Secon...

Page 50: ...e current IP Address Subnet Mask and Default Gateway are displayed Forwarding Database Table The RangeLAN2 Access Point is a learning bridge Over time from watching the packets on the network the Acce...

Page 51: ...44...

Page 52: ...nfiguration Menu Authorization Table Configuration Menu Enable D isable SNMP Read Only SNMP C ommunity Read Only SNMP Manager IP Address Read W rite SNMP C ommunity Read W rite SNMP Manager IP Address...

Page 53: ...OOTP server You may choose to configure the RangeLAN2 752x Access Point through the menu trees in band or out of band to set SNMP parameters before using an SNMP manager Enable Disable SNMP allows you...

Page 54: ...P address of the device to which generated TRAP PDUs will be sent A value of 0 0 0 0 disables trap genera tion Authentication Traps are sent to the Trap Target Address whenever anyone attempts to SNMP...

Page 55: ...Cache Table High Usage Sent when the cache table usage percentage has exceeded the limit set by the Bridge Configuration parameter Forwarding DB Usage Trap Threshold For example if this limit were set...

Page 56: ...m cable configuration or a BOOTP server Start a supported Web browser on a network computer connected to the network either via a wired or wireless connection Highlight and replace the existing URL pa...

Page 57: ...ight side of the screen there is a picture of the RangeLAN2 752x Access Point along with the text Web Manager For Wireless Networks as shown below Proxim Technical Support contact information is liste...

Page 58: ...g displayed To display these hidden items left click on the symbol Clicking on the symbol shrinks the menu Text without a or will take you to that function screen directly RangeLAN2 752x Access Point...

Page 59: ...RangeLAN2 Access Point is a list of MAC addresses of the Proxim devices currently synchronized to that Access Point Clicking on the MAC address of a Proxim device will redirect the browser to that un...

Page 60: ...53...

Page 61: ...nodes RangeLAN2 752x Access Point Device Management This menu offers configuration options for the RangeLAN2 752x Access Point as described in Chapter 6 Wireless Node Management This page displays th...

Page 62: ...e s MAC Address ROM version driver version Domain number network adapter type ISA One Piece PC Card etc Peer to Peer setting Inactivity Timeout setting the name of the Master to which it is synchroniz...

Page 63: ...de total number of packets transmitted number of successful packets transmitted and received number of BFSK and QFSK packets transmitted number of fragmented packets transmitted and received number of...

Page 64: ...le usage until you can add all the proper entries By default it is disabled The table can hold a maximum of 256 nodes You can also enable or disable an SNMP trap that will tell the SNMP manager an una...

Page 65: ...Usage Option Enable D isable Unauthorized Addr Trap AP Authorization Config Download Table Update Authorization Config of All APs Authorization Table Configuration Menu SNMP Configuration Menu Upload...

Page 66: ...acles or be absorbed by others depending on their construction For example with two RangeLAN2 radios using the standard antennas shipped with the units you may achieve up to 1000 in open space outdoor...

Page 67: ...nna emits its signal from all sides of the antenna but not from the top or bottom The direc tional antenna typically emits a beam only from a front face plate in a horizontal direction this type of an...

Page 68: ...iagnosticsMenu Thesitesurveytoolshows theMACaddresses LinkQualityandRSSIofeachnodethattheRangeLAN2752x Access Point can find wirelessly It also can be used to measure throughput between the two Access...

Page 69: ...62 Figure 10 Broadcast Site Survey...

Page 70: ...lity number of RangeLAN2 7200 and 7400 adapters may be low if those adapters are in their doze mode when being surveyed As these adapters wake up the Link Quality number may change so this number may...

Page 71: ...64 Figure 11 Directed Site Survey...

Page 72: ...ected Site Survey again Using this method you can experi ment with the position and location of each antenna to determine the optimum placement that results in the highest packet per second rate TheMa...

Page 73: ...66 Figure 12 Master Search Tool...

Page 74: ...istancetoinstallyourLAN Proximcanputyouincontactwitha RangeLAN2resellerinyourarea Theresellerisanexpertinthedesign installation and maintenanceofLANsandwillbeabletoexamineyourneedsandrecommendthemostc...

Page 75: ...s Menu Download Menu Run Broadcast Site Survey Run D irected Site Survey Run Master Search Tool Radio ROM Version Radio D iagnostics M enu Technical Support Parameters Boot ROM Version Flash C ode Ver...

Page 76: ...the Technical Sup port Parameters to perform more detailed diagnostics on the unit Ping IP Host FromtheDiagnosticsMenu youcancausetheRangeLAN2AccessPointtoPinganyIP Hostonthenetwork Discover APs The R...

Page 77: ...ree The RangeLAN2 Access Point will display the tree of all 7510 752x 753x Access Points and 754x Extension Points that it is able to discover along with their relationship to one another i e who is s...

Page 78: ...71 The RangeLAN2 Access Point from which the tree is being built will be listed with asterisks next to its name Figure 14 Display Wireless Network Tree...

Page 79: ...n d n a l a n i m r e t a g n i s u s s e r d d a P I n a t e s d l u o h s r e v r e s P T O O B a r o e l b a c 5 e r a s t n e i l c h c i h w l l e t I n a c w o H t n i o P s s e c c A y m o t d...

Page 80: ...s turn red contact Proxim Techni cal Support The LED will blink yellow if the Access Point has switched to the Error Domain because the 10BaseT Link Monitor is enabled and cannot detect a 10BaseT Ethe...

Page 81: ...f f O l a m r o N n e e r G w o l l e Y g n i k n i l B n e e r G g n i k n i l B TherearethreefunctionalLEDsonthebackpaneloftheRangeLAN2AccessPoint ThecornermostgreenLEDshouldbeonsteadywhentheAccessP...

Page 82: ...MA C Filter A ddress M A C Filter S ubnet M ask B roadcast B andwidth A llocation Filter Configuration Menu A ging P eriod seconds Forwarding D B Usage Trap Threshold Bridge Configuration Menu Radio P...

Page 83: ...ion Config of All APs Authorization Table Configuration Menu Enable Disable SNMP Read Only SNMP C ommunity Read Only SNMP Manager IP Address Read W rite SNMP C ommunity Read W rite SNMP Manager IP Add...

Page 84: ...nternal MA C E rrors Ethernet Statistics Menu E thernet C ache Filter C ount W ireless C ache Filter C ount C urrent Forwarding D atabase Usage Bridge Statistics Menu IP P acket Filter C ount IP X P a...

Page 85: ...Master C urrent Roam C onfig Current Roaming Enabled C urrent Repeating Status Current MAC Optimize Radio Traffic Level Radio Broadcast Level Radio ROM Version Reset Required for Reconfiguration Last...

Page 86: ...Menu D ownload AP Image Using X Modem D ownload AP Image Using TFTP D ownload AP Image Using FTP A ccept D ownloads from Other APs A P Image D ownload Table Update Images of All A Ps Update Images of...

Page 87: ...nu Download Menu Run Broadcast S ite S urvey Run D irected Site Survey Run Master S earch Tool Radio ROM V ersion Radio D iagnostics Menu Technical S upport P arameters B oot ROM Version Flash C ode V...

Page 88: ...g through the Ethernet you will not have the Xmodem option The following diagram illustratesthesoftwaretree Only visible when configuring via serial RangeLAN2 752x only Configuration Menu Statistics M...

Page 89: ...odem CRC when a series of C s begins to appear on the bottom of the sessionscreen 6 When download is successful the Access Point will automatically reboot and load the new image The RangeLAN2 725x Acc...

Page 90: ...information CA is an optimization by which channel time is reserved to avoid colli sions DownloadImage Asoftwarefilethatisusedtoupgradethesoftwarecoderunningon theRangeLAN2AccessPoint Frequency Hoppin...

Page 91: ...dwidth wider than the information bandwidth Spread Spectrum bands are designated by the FCC and require no user license SNMP Simple Network Management Protocol A protocol used to manage network nodes...

Page 92: ...v r e S P T O O B s s e r d d A 0 0 0 0 s s e c c A t e n l e T d e l b a s i D d e l b a n E d e l b a n E d r o w s s a P t e n l e T s r e t c a r a h c 0 1 t n e m e g a n a M r e s w o r B d e l...

Page 93: ...l i F t o N g n i r e t l i F g n i r e t l i F t o N t s a c d a o r B P I R X P I r e t l i F s t e k c a P g n i r e t l i F t o N g n i r e t l i F g n i r e t l i F P A S X P I r e t l i F s t e...

Page 94: ...i d a R y a l e D e s l a F e u r T e s l a F g i f n o C m a o R t s a F l a m r o N w o l S l a m r o N d e l b a n E g n i m a o R e s l a F e u r T e u r T e z i m i t p O C A M t h g i L t h g i...

Page 95: ...a s U B D g n i d r a w r o F 0 0 1 0 0 0 1 y l n O t n i o P s s e c c A x 2 5 7 2 N A L e g n a R Ethernet Parameters e m a N r e t e m a r a P e g n a R t l u a f e D r o t i n o M k n i L T e s a...

Page 96: ...s Protocol RangeLAN2CSMA CA Ethernetcompatibility Ethernet packettypesandEthernetAddressing Frequency Band 2 4 2 5 GHz Worldwide Depends on country spread spectrum frequency hopping IndependentChannel...

Page 97: ...k are you using What were you doing when the error occurred What error message did you see Can you reproduce the problem What version of the RangeLAN2 Access Point firmware and software are you using...

Page 98: ...ddress ARP Filter Subnet Mask See Filter ARP Subnet Mask Authentication Traps 47 Authorization 48 Authorization Table 38 57 Authorization Table Usage Option 57 B Boot ROM Version 69 BOOTP 28 49 83 Bri...

Page 99: ...reen 38 E Enable Disable SNMP 46 Error Domain 32 35 73 F Filter ARP Network Address 30 ARP Subnet Mask 30 Fixed Nodes 30 IPX Broadcast 30 MAC Multicast Packets 30 Protocol Type 30 First Master To Sync...

Page 100: ...SNMP 47 Master 34 42 Name 35 Master Search Tool 65 Menu Bridge Configuration 31 Bridge Statistics 40 Bridge Status 43 Configuration 75 Diagnostics 67 80 Download 79 81 Ethernet Configuration 31 Ether...

Page 101: ...Trap Threshold 48 See Trap Radio Traffic Threshold Range 59 60 RangeLAN2 7100 2 7400 2 753x 2 Access Point 18 Ethernet Adapter 2 Extension Point 2 18 Family 2 Serial Adapter 2 Read Only SNMP Communit...

Page 102: ...tion Type 34 Subchannel 35 42 Subnet Mask 27 43 Synced To Master Name 42 T Technical Support 4 69 90 Telnet See Configuration Telnet Access 28 Password 28 Terminal See Configuration Terminal Third Mas...

Page 103: ...96 Update Image of a Specific AP 82 Update Images of All APs 82 Update Images of Selected APs 82 Upload Configuration to FTP Server 38 W Web Browser 28 Wireless Node Management 54 57...

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