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www .symbol.com Spectrum24 AP-4131 Access Point Product Reference Guide 72E -563 16-01 Revision A Feb r uary 200 2.
ii AP-4131 Access Point Product Refe rence Guide Copyright Copy righ t © 20 02 by Sy mbol T ec hnolo gies, Inc . All ri ght s rese rv ed. No part of this pub lic ation may be m odified or adapted in any way , for a ny purposes without pe r mission in writing from Symbol.
AP-4131 Access Po int Product Re ference Guide iii About Thi s Document Refere nce Doc ume nts This referenc e guide refers t o the following document s: Convent ions K ey strokes are i ndicate d as fo llows: T ypef ace co nventi ons use d incl ude.
iv AP-4131 A ccess Poin t Product Reference Gui d e This docu ment uses th e followi ng for certain con ditions or info rmation: Indi cates tips or special re quiremen ts.
Conte nts AP-4131 Access Po int Product Re ference Guide v Chapte r 1 Intr oduction ............. .................... .......................... ................... ......... 1 1.1 Access P oint (AP) . .................... ................... .......
vi AP-4131 A ccess Poin t Product Reference Gui d e 2.1.4 Using a Web Browser .......... .................... ................... .......4 1 2.2 Naviga ti ng the UI ............ .................... .......................... ............. 48 2.2.1 Entering Admi n Mode .
AP-4131 Access Po int Product Re ference Guide vii 2.9 Confi guring Add ress Filtering ......... .......................... .................. 11 8 2.9.1 Adding Disallowed MUs ............. ................... .................. 119 2.9.2 Removing Disall owed MUs .
viii AP-4131 A ccess Poin t Product Reference Gui d e 3.9 Miscellaneo u s Statist ics ............ ................... .................... ........... 182 3.9.1 Analyzing Channel Use .............. ................... .................. 184 3.9.2 Analyzing Retries .
AP-4131 Access Po int Product Re ference Guide ix Appendix E Ins talling and Configuring Kerberos Setup Service ........ ..... E-1 E.1 Creat ing a Windows 2000 Environmen t for the KSS ... .................. E -1 E.2 Install ing the KSS in a Windows 2000 Envir onment .
x AP-4131 A ccess Po int Product Refere n ce Guide.
AP-4131 Access Po int Product Re ference Guide 1 Chapter 1 Introducti on Spectr um24 i s a sp read spe ctrum cel lular network t hat o perates between 2.4 and 2. 5 GHz (gigahertz) . This tech nol ogy pr ovi des a hi gh-cap aci ty netwo rk using multiple acce ss points wi thin any e nvironment.
Intr oduction 2 AP-4131 Access Point Produc t Reference Guide The AP meets the following: • the regula tory r e qu irements for Europe a nd many other ar eas of the world • FCC part 15, class A w ith no e xternal shield ing • FCC part 15 class B , ETS 300-339 complian ce, including CE mark.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 3 1.2 R adio Basics Spectr um24 dev ices us e ele ctromagnetic waves to tr ansmit an d rece ive ele ctric sign als withou t wires . Users co mmunic ate with the ne twork by establ ishi ng ra dio l inks betwe en MUs a nd AP s.
Intr oduction 4 AP-4131 Access Point Produc t Reference Guide A WLAP communi cates only with its ro ot AP through th e wireless inte rface. Select from t he follo wing t opologies: • A sing le AP use d withou t the wi red n etwork provi des a single-cell wir eless network f or peer -to -p eer MUs.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 5 • Multi ple AP s can coex ist as separate, indiv idual networ ks at the same si te with out interf erence usi ng diffe rent Net_ IDs. The N et_ID (ESS) can be thou ght of as a Wireless LAN Net work Identifier .
Intr oduction 6 AP-4131 Access Point Produc t Reference Guide In WLAP mod e, a wireles s AP -to -AP co nnectio n functions : • as a bri dge to conne ct two Ethe rnet networ ks Ke rberos, EAP - TLS and the Mobile IP featur e are not avai lable when the access p oint is op erating in WLAP mode.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 7 In W LAP m ode, A P s a nd MUs a re r equired to hav e the same Pre a mb le settin gs to in teroper ate. Addi tion ally , the r oot AP is re quired to be ru nning befor e th e “leaf ” or WLAP c onn ection is estab lished.
Intr oduction 8 AP-4131 Access Point Produc t Reference Guide Using mor e than two WLAPs to establish a co nnection slow s network perfor mance for all t opolo gies. T o increase WLAP perfo rmance, disabl e WNMP Functions and AP - AP State Xchg parameter s under the Set System Configuration screen.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 9 APs w ith the same Net_ID (ESS ) define a cove rage area. The MU sea rches for APs wi th a ma tchin g Net_ID (ESS) and sync hron izes with an AP to establi sh comm unications. This allo ws MUs within th e coverage area to move abou t or roam .
Intr oduction 10 AP-4131 A ccess Poin t Product Reference Gui de The R oot AP and Association P rocess By d efault, APs w ith WLAP Mode enabled an d within ra nge of each oth er auto matically associate a nd conf igure wirele ss operat ion parame ters at power up.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 11 If AP D on Et hernet II ha s data fo r a device on Et hernet I, it require s a brid ge or a repeater . In this configu ration, A P C fu nctions as a r e peat er . T o e nsure trans mission to dev ices on Ethern et I, AP D h as to u se the AP A channe l, DTIM an d TI M inte rval.
Intr oduction 12 AP-4131 A ccess Poin t Product Reference Gui de Symb ol recomme nds conduc ting a new si te survey and developi ng a new coverag e area floor pla n when switch ing from 1 or 2 Mbps fr equency- hoppi ng ac ces s poin ts to 11 Mb ps di rect - s equenc e ac cess p oints.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 13 1.3.1 MA C Layer B ridging The AP list ens to al l packets on all inte rfaces a nd build s an address databa se using the unique IEEE 48-bit address (MAC address). An address in the datab ase includ es the interf ace medi a that the devi ce uses to asso ciates with the AP .
Intr oduction 14 AP-4131 A ccess Poin t Product Reference Gui de T ra nsmitt ed ARP request packe t s echo back to other MUs. The AP remo v es from its d atabase the destination o r inte rface info rmation that is not us ed for a spe cified tim e.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 15 See section 2.4 “Configuring Syste m P arameters” on page 59 and sec t ion 2.5.1: ”W ireless AP Operation P arameter s ” on page 80 . T o en able this featu re, set th e WLA P Mode to Link R equire d .
Intr oduction 16 AP-4131 A ccess Poin t Product Reference Gui de Pr ogram th e DHCP or BOO T P server to transfer the se files (Ker beros securi ty inform ation, HTML , firmware or n e twork co nfigur.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 17 The DB -9 , 9-pin , RS -232 serial port provides a UI (User Interface) connec tion. The UI pro vides basic manag e ment tools fo r the AP . T he serial link su pports short hau l (direct serial) or long haul ( telephone -line) connec tions.
Intr oduction 18 AP-4131 A ccess Poin t Product Reference Gui de 1.3. 5 Direct - Seque nce Spre ad Spec trum Spread spe c trum ( broadband ) us e s a narrow band signal to spread the transm ission over a segment of t he radio freq uency band or spe ctrum.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 19 Mobile Un its receiv ing a dire ct - sequen ce transmi s sion use the spreading code to map the chips wi thin th e chippi ng seq uence back into bits to re crea te the orig ina l data tran smitt ed by the acce ss poi nt.
Intr oduction 20 AP-4131 A ccess Poin t Product Reference Gui de Scanning is a periodic pro c ess where the MU sends out p robe messages on all chan nels defin ed by the coun try code. Th e stati s tic s ena ble an MU to reassociat e by sync hronizing its chann el to the AP .
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 21 An MU can ro am within a cove rage area by swit ching APs. Roa ming occu rs when: • an unassociated MU attempts to associate or reas.
Intr oduction 22 AP-4131 A ccess Poin t Product Reference Gui de Mobile IP is like giving an individ ual a loca l post office forwa rding a ddress when lea ving hom e for an extended p eriod. When mail a rrives for the indiv idual home ad dress, it is forward ed by the loca l post office to the curr ent c are-of-address.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 23 The scanning and association process continues for active MUs. This allow s the MUs to find new APs and discar d out-of-ran ge or deactivated AP s. By testing t he airwaves, the MUs can choose the b est netw ork conn ecti on avai la ble.
Intr oduction 24 AP-4131 A ccess Poin t Product Reference Gui de 1.3.8 Supporting CAM and PSP Stations CAM (Continuously Aware Mode) stations leav e their radios on contin uously to hear every bea con and message tran smitted. These syst ems operat e with out any adjust ments by the AP .
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 25 A TI M is a comp res sed vir tua l bitmap ide ntifyi ng the AP as soci ate d MUs in PSP mod e that ha ve buff ered dir ected mess ages.
Intr oduction 26 AP-4131 A ccess Poin t Product Reference Gui de IEEE 802.11 defi nes two types of au thenticat ion, Open Syst em and Shared Key . Ope n system au thenticat ion is a null au thentica tion algori thm.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 27 F or a deta iled descriptio n of the Kerberos authen tication service pro tocol refer to RFC 1510: K erberos Netwo rk Au thenticat ion Service (V5).
Intr oduction 28 AP-4131 A ccess Poin t Product Reference Gui de • Authenticatio n Service (AS) – Provides th e authe nticatio n ticket co ntaining infor mation abou t the clien t and the ses sion ke y used with t he KDC.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 29 When the AP boots up it c ontacts the KSS to obt ain KDC information. The AP sends an A uthentication Service Request ( AS_REQ ) to the KDC.
Intr oduction 30 AP-4131 A ccess Poin t Product Reference Gui de with a WN MP he ader a nd forw ards t he res ponse t o the MU . Once the MU has veri fied the mes sage it prepar es an Applic ation Request (AP_REQ) for t he AP . Thi s AP_REQ co ntain s the tick et th e KDC has sent to the M U .
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 31 Enab ling Kerberos di sables T elnet, SNMP and W eb services. C onfigure the AP throug h a dir ect seri al con nection if needed . Confi gure SNMP to be "Read Only" o r "Read/W r i te" from t he KSS .
Intr oduction 32 AP-4131 A ccess Poin t Product Reference Gui de 1.3.12 KSS Database s The KSS has two databases. One database st ores valid access points (AP setup account). The other database stores Kerbero s accoun t informat ion ( Ke r b e r o s e n t r y a ccount).
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 33 1.3.14 Mixed M o de Se curity Mixed mode sec urity allows a single access point t o transmit and receive with mobi le units ope rating w ith diffe rent encr yption alg orith ms (WEP , K er beros, EAP - TLS).
Intr oduction 34 AP-4131 A ccess Poin t Product Reference Gui de 1.3.16 Management Opt ions Manag ing Spect rum24 inc ludes vie wing n etwor k sta tisti cs a nd s ettin g config uration opti ons. Statistics tra ck the network ac tivity of associate d MUs a nd data tran sfers on the AP int erfac es.
Intr odu ctio n AP-4131 Access Po int Product Re ference Guide 35 Using SNMP The AP in cludes SNMP agen t versi ons access ible throug h an SNMP mana ger applic ation su ch as, HP O pen View or Cabletron Spect rum MIB browser . The SN MP agent su pports SNMP version s 1 and a sub s et of v ersion 2, MIB II, the 802 .
Intr oduction 36 AP-4131 A ccess Poin t Product Reference Gui de Using th e UI The UI (User Inter face) is a m aintenanc e tool integrate d into t he AP .
AP-4131 Access Po int Product Re ference Guide 37 Chapter 2 Config uring the AP AP con figu rat ion r equi res set tin g up a co nnecti on to the AP a nd g ainin g acce ss to th e UI ( User In terface ). The m ethod s of acce ssing the UI are S erial, T elne t, W e b, and SNMP .
Configuring the A P 38 AP-4131 A ccess Poin t Product Reference Gui de 2. At th e prom pt ty pe th e pass word : Symb ol The password is case- sensitiv e.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 39 2.1.2 Using a Direct Serial Connection The fact ory-con figur ed AP a ccep ts a di al- up c onne ctio n be tween the AP and a mod em. A UI conn ection requi res a straig ht -thr ough c able b etween t h e modem an d the AP .
Configuring the A P 40 AP-4131 A ccess Poin t Product Reference Gui de 5. Press ESC to refresh t he disp lay . The AP displays the Main Menu . Symb ol A cces s Poi nt MAI N MENU Show Sys tem S umma ry.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 41 5. Sel ect the correc t serial port alon g with the follo wing parame ters. 6. Dia l out to the AP w ith th e correc t telep hone n umber . No passwo rd is requ ired . 7. Press ESC to refresh t he disp lay .
Configuring the A P 42 AP-4131 A ccess Poin t Product Reference Gui de The W eb browser (Int ernet Expl ore r 4.0 o r g reater or Ne tscape) req u i res JavaS cript to gain access to t he UI.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 43 6. F rom thi s menu selec t Internet Servi ce Mana ger to la unch the Inte rnet Info rmation Se rver Serv ice Mana ger . 7. Clic k on the W e b se rvice. Ensure the server WWW se rvice is running.
Configuring the A P 44 AP-4131 A ccess Poin t Product Reference Gui de T o ensur e the W eb Server option is enable d for the AP : 1. Access the UI usin g a Serial or T elnet conn ectio n. 2. From the Main Menu select Syste m Config urati on . 3. V erify the W eb Ser ver optio n on the Syst em Con figu ratio n screen is enab led.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 45 T o acce ss the AP UI using a W eb browser fro m a workstation: 1. Fr om the NCP A propertie s win dow set the I P addr ess of the workstat ion and th e subnet mask. The system te lls the use r to re boot for pr operty chang es to take e ffect.
Configuring the A P 46 AP-4131 A ccess Poin t Product Reference Gui de 4. The Spectru m24 Access P oint Configuration Manag ement System main page displa ys: The W eb pages look d ifferent than the T elnet, Direct Seria l or Dia l-Up Conn ection s, but th e contents a re the same.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 47 – F or Internet Exp lorer , from the menu bar select V iew , Internet Opti ons, T emp orary Int ernet files and Se t ting s. – Sel ect Check f or newer versions of stored pages: Ev ery visi t to the page .
Configuring the A P 48 AP-4131 A ccess Poin t Product Reference Gui de 2.2 Navigating the UI The AP displa y s a Main Menu when gainin g a ccess to the UI: Symb ol A cces s Poi nt MAI N MENU Show Sys .
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 49 The fol lowing conventi ons a lso ap ply whe n navig ating screen s and men us: • T o select menu items, press the key c orresponding to th e bold letter for the item (c ase- sen sitiv e ho t key) .
Configuring the A P 50 AP-4131 A ccess Poin t Product Reference Gui de Administration screens include options for saving or clearing data that app ear on t he bottom line of the screen.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 51 – If the passwor d is co rrect , th e AP dis plays t he Main Menu with the Enter A dmin Mode menu item c hanged to Exit Adm in Mode . – I f the passwor d is incorr ect, the AP conti nues to disp lay the Ma in Menu with the Enter Admin Mod e menu item .
Configuring the A P 52 AP-4131 A ccess Poin t Product Reference Gui de 3. The Change System P assw ords sc reen d isplays: Symb ol A cces s Poi nt Chan ge Sy stem Passwords Us er P asswo rd **** *** Admi n Pa sswor d * ***** * Sa ve-[F 1] Cance l-[ESC] Passw ord for u ser acces s(Mon itor only ) 4.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 53 2.2.3 Configu ring for Dia l-Up to the UI A dial -up conne ction requ ire s a st raight -throu gh c able be tween the modem and th e AP . The re mote PC requir es a modem and a com municati on prog ram (e.
Configuring the A P 54 AP-4131 A ccess Poin t Product Reference Gui de 7. Press ESC to refresh t he disp lay . The AP displays the Main Menu . Symb ol A cces s Poi nt MAI N MENU Show Sys tem S umma ry.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 55 3. Select AP Installation fro m th e Main Menu : Symb ol A cces s Poi nt MAI N MENU Show Sys tem S umma ry AP Ins tallation Show .
Configuring the A P 56 AP-4131 A ccess Poin t Product Reference Gui de If th is is the f irst time the AP has been in stall ed or h as b een mov ed to a new coun try , verif y that the proper cou ntry spec ific code is e ntered fo r the AP . Refer to App endix D for a list of supporte d country cod es.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 57 Subnet Mask The first t wo sets of n umbers specif y the n etwork domain, the next set specifies the subset of hosts within a l a rger network and the final set specifi es an in dividual computer .
Configuring the A P 58 AP-4131 A ccess Poin t Product Reference Gui de 5. In t he Antenn a Selection field, use t he SP ACE BAR or LE FT/RIGHT - ARR OW key s to tog gle be tween Full Diversit y , Primar y Only , S econda ry Only , or Rx Div ersity . 6.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 59 8. The system prompts Warn ing Upd ate, save, and res et all APs in th e K nown AP Me nu? yes no Ty p e Y . 9. Select Cance l-[ESC] to disr egard an y chan ges made to this scre en and return to the pr evious me nu .
Configuring the A P 60 AP-4131 A ccess Poin t Product Reference Gui de Once the cou ntry ha s been configur ed ( Country Confi g) on the AP Installation sc reen the channel can be se t manua lly or aut omatically .
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 61 Ethernet Timeout Disable s radio inte rface if no act ivity is dete cted on t he Ethe rnet line after the seco nds i ndicated ( 30-2 55 ). The AP disassoc iates MUs a nd prev ents furth er associa tions unt il it dete cts Ether net activ ity .
Configuring the A P 62 AP-4131 A ccess Poin t Product Reference Gui de Encryption Ad m i n Indic ates whi ch interfa ce can chang e the encry ption keys and the enc ryp tion k ey in dex. Withou t admin privileges u sers cannot access the encry ptio n mai nten ance page to change the encry ption keys .
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 63 A ccess Control Allows the us er to set o ne of three Access Contr ol mode s: Di sabled , Allowed , or Di sallowed . • Whe n Disabled (default) is selected, no filtering is per form ed.
Configuring the A P 64 AP-4131 A ccess Poin t Product Reference Gui de System Pa s s w o r d Ad m i n Allow s the user to change the p ass words f or th e AP . This screen can be acce ssed only wh en the AP is in Te l n e t mod e. Serial mode provi des read -only priv ilege s and does no t allo w th e user t o view this screen.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 65 3. T o enable o r disabl e int erfaces on the AP , m odify th e follo wing param eters: 4. V erify the values set r eflec t the netw ork e nvironmen t. Change as ne eded. 5. Select OK or Sa ve to reg ister s ettings by w ritin g ch ang es to NVM.
Configuring the A P 66 AP-4131 A ccess Poin t Product Reference Gui de 2.4.1 En cryption Ad ministr ation The abilit y to change, vie w or restrict acce ss to encr yption adm inistration settings depends on th e Encryp tion Admin co nfigurati on paramet er .
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 67 Encryption P arameter Acc ess to T elnet and Serial Interfac es Encryption P arame ter Access to W eb I nterface Pa r a m e t e r.
Configuring the A P 68 AP-4131 A ccess Poin t Product Reference Gui de Encryption P arameter Access f or SNMP Interface P aramete r Access Method Inter fac e Seri al apEn cryptA dmin s24dsap.mib - apConfi gMgmt - apSy stemCo nfig g roup View Only View Onl y apWEP Algo r ithm s24dsap.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 69 2.4.2 S ystem P a ssword Administr ation This screen a llows t he netw ork adm inistra tor to configu re the passwo rds for the AP . The u ser passwor d allows the user to T elnet into the AP or use the serial port and h a ve read- only privileges.
Configuring the A P 70 AP-4131 A ccess Poin t Product Reference Gui de 2. Chan ge th e pass words u sing the f ollowi ng p aramete rs : 3. Select Save to re gister sett ings by writ ing chang es to NVM. Se lect ing Sa ve disp lays a c onfirma tion p rompt.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 71 2.5 Configuring R adio P arameters The AP au tomatic ally config ures most rad io param e ters . Only advanc ed users, Symbo l trained us ers or Sym bol r epresent atives sh ould adj ust the radio paramete rs for the AP or the o ptions in the RF Configuration screen.
Configuring the A P 72 AP-4131 A ccess Poin t Product Reference Gui de 2. Confi gure th e sett ings a s req uired: DTIM Interval Conf igure DTIM packet frequen cy as a mult iple of beacon pac kets. T he DT IM In terval in dicat es ho w many be acons equ al one c ycle.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 73 Beacon Interval The ti me be tween beac ons i n Ki lo-micr osecond s. The default is 10 0 .
Configuring the A P 74 AP-4131 A ccess Poin t Product Reference Gui de Rat e C on tr ol Defines th e data tra nsmis sion ra te, the de faults are: • 11 Mbp s - Opti on al • 5.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 75 WLAP Mode Spe cifies the AP s wireless- AP operation stat us. Enabl ed • the AP s ets up auto matic ally f or wi reless operati on. The AP can operate in any of the se conf igurations : Wireless, Repeat er or Ethern e t Bridge .
Configuring the A P 76 AP-4131 A ccess Poin t Product Reference Gui de WLAP Manual BSS ID Spe cifies the BSS_ID of a pa rticular WL AP and force s the cu rrent AP to as sociate onl y with tha t WLAP .
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 77 WLAP Forward Delay Specifi es the time, in second s, to preven t an AP from forw arding data pac kets to an d from an interfa ce dur ing initiali zation. T he WLA P s involved and th e wireless operation state, see section 3.
Configuring the A P 78 AP-4131 A ccess Poin t Product Reference Gui de EPP Setup - [F3] Enhan ced P acket P rior itiza tion (EPP ) allo ws system admini strators the ability to pri oritize packet transmissions from an AP to MUs. Media content (streami ng vi deo, ph ones etc.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 79 3. V erify the values set to reflec t th e net work envir onment . Change th em as needed . 4. Select OK or Sa ve to reg ister s ettings by w ritin g ch ang es to NVM. Se lect ing Sa ve disp lays a c onfirma tion p rompt.
Configuring the A P 80 AP-4131 A ccess Poin t Product Reference Gui de 2.5.1 Wireless AP Operation P arameters The A P support s up to four W LAP in terfaces . Symbo l recom mends u sing on e WLAP as an inte rface on high tr affic networks and no more th an two WLAPs for low traff ic netwo rks .
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 81 3. Set the default interfa ce for AP C to WL AP . This allows th e MUs t o ro am an d tr ansmit data betw een AP B and C. If an AP fun cti ons a s a b rid ge be twee n wir ed LANs, Symb ol r eco mmends one LAN contain all the low er WLAP IDs.
Configuring the A P 82 AP-4131 A ccess Poin t Product Reference Gui de T o confi gure th e AP for w ireles s opera tion: 1. Select Set RF Configuration fro m the Main Menu . 2. Confi gure th e sett ings a s req uired: WLAP Mode Specifies the AP s wireless-AP operation status.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 83 WLAP Manual BSS_ID Specifi es the BSS_ID of a parti cular WLAP and forc es the curr ent AP to asso ciate on ly with th at WLAP .
Configuring the A P 84 AP-4131 A ccess Poin t Product Reference Gui de WLAP Forward Delay Speci fies th e time, in seco nds, to p reven t an AP from fo rward ing da ta p acket s to and from an interfac e during i nitialization. T he WLAPs involv ed and the wireless ope ration state affect the WLAP Forward Delay time (see section 3.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 85 2.5.2 Enhanced P acket Prioritizati on (EPP) Enhan ced P ac ket Prioritiz ation (EPP) e nables syste m adminis trato rs to prioritize packet transmissions from an AP to MUs. F or example, media cont ent (str eaming vide o, phones etc.
Configuring the A P 86 AP-4131 A ccess Poin t Product Reference Gui de F or data type s not liste d, classi fy them by usi ng th e P o r t numb er corresponding to that data type. Use 65537 as a code defining a port as not used , otherw ise assign port values of 1 through 1023.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 87 3. 802.15 (draft) Bluetooth Co -existence allows access point s and MUs to shar e Spec trum24 networ k reso urces w ith Blue tooth RF termin als. T he 802.15 (dra ft ) Bluetoot h Co- existence value is communicated to MUs via acc ess po int beacon s.
Configuring the A P 88 AP-4131 A ccess Poin t Product Reference Gui de 2.6 Encryption Configuration and K ey Maintenance The Encrypt ion K ey Mainte nance screens all ow the user to confi gure the encry ption keys us ed for the site netwo rk. The Key Width dete rmines which encry ption K ey screen di splays .
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 89 T wo scre ens are available , one for 40- bit encryp tion and one for 128 -bit encry ption.
Configuring the A P 90 AP-4131 A ccess Poin t Product Reference Gui de 2.6.1 40-B it WEP Encryption Select 40-b it fro m the K ey Wi dth fi eld of the WEP Encrypt ion Confi guration scree n, and se lect the En cryptio n K ey Maint enance op tion to dis play the Encr ypti on K ey Main tena nce screen .
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 91 The P assKey can be no longer tha n 32 cha racters in le ngth. 2. Select the desired key and enter the new va lue to change th e K ey value. 3. V erify a nd change t he valu es as need ed to reflect the network enviro nment.
Configuring the A P 92 AP-4131 A ccess Poin t Product Reference Gui de 2.6.2 12 8-Bit WE P Encrypt ion Select 128-bit from th e Key Width field of the WEP Encrypt ion Configuration scree n, and selec t the Encry ption Key Maint enance op tion to dis play the Encr ypti on K ey Main tena nce screen .
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 93 The P assKey can be no longer tha n 32 cha racters in le ngth. 2. Select the desired key and enter the new va lue to change th e K ey value. 3. V erify a nd change t he valu es as need ed to reflect the network enviro nment.
Configuring the A P 94 AP-4131 A ccess Poin t Product Reference Gui de 2.6.3 Manual Kerber os Authenticatio n Configuration The Confi gure K erber os Authenti cation sc reen a llows th e networ k adm inistra tor to ch ange or ve rify th e AP pa ramet ers f or K erber os authen tica tion .
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 95 1. T o access and enable t he K erbe ros configur ation, selec t Confi gure Kerb eros fr om th e Special Functions Menu .
Configuring the A P 96 AP-4131 A ccess Poin t Product Reference Gui de 5. V erify the Passwor d ma tches th e pa ssword in the KDC and AP . 6. Select OK or Save to r egis ter s ettin gs by writing ch anges t o NV M. Se lect ing Save displays a co nfirmatio n prompt.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 97 2.6.4 Configuring EAP - TLS Support The Exten sible Authentic ation P rotocol- T ransp ort L evel Securi ty (EAP - TLS) feature a.
Configuring the A P 98 AP-4131 A ccess Poin t Product Reference Gui de The Configure Authenticator screen disp lays. C onfigur e Aut hentic ator EAP -TLS/ RADI US Ena bled Quie t Pe riod 60 Tx Perio d.
Configur in g the AP AP-4131 Access Po int Product Re ference Guide 99 2. Configu re the EAP - TLS authenti catio n settings as requir ed: EAP - TLS/RADIUS When en abled, the access point assumes t he role of a uthenti cato r . The acce ss poin t pr oxies the MU’s reques ts to authe nticat e with th e EAP ser ver .
Configuring the A P 100 AP-4131 A ccess Poin t Product Reference Gui de 2.6.5 Configuring Mixed Mode Security Mixed mo de security allo ws a single access point to transmit and rece ive data wit h mobile u nits opera ting with different encryp tion algor ithms.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 101 SNMP and Mix ed Mode Security The co nfigur ation of SNMP sh ared ke y WEP i s set with th e MIB f ile. The object s involved include: • apRFCon fig .apWEP Algorithm Edit th e AP serial UI en try using th e Ke y Wi dt h fi eld withi n the AP System Summ ary scree n.
Configuring the A P 102 AP-4131 A ccess Poin t Product Reference Gui de 2.7 Configuring the SNMP Agent The SNMP ag ent functio ns as a command respon der and is a mult ilingual agent respond ing to SNMP v1, v2c and v3 ma nagers (comm and generato rs).
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 103 1. Select Set SNMP Configuration from the Main Menu to AP disp lay: Symb ol A cces s Poi nt SNM P Conf igurat ion .SNM P Agen t Mode Ena bled SNMPv3 Secur ity Admin- [CR] .Rea d-On ly Commu nity (v 1/2c ) ****** * .
Configuring the A P 104 AP-4131 A ccess Poin t Product Reference Gui de 2. Confi gure th e sett ings a s req uired: SNMP Agent Mode Defines the SNM P agent mode: Disa bled d isabl es SNMP f uncti ons, w hile Ena bled allo ws SN MP f uncti ons.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 105 MU State Change If en abl ed, th e f ollowi ng en terp rise-specif ic traps are gen e rat ed: • MU Assoc iation A d ditions Indic ates when a devi ce has been added to t he li st of access point associated MUs.
Configuring the A P 106 AP-4131 A ccess Poin t Product Reference Gui de 3. V erify the values reflect the network enviro nment. Chang e as needed. 4. Select OK or Sa ve to reg ister s ettings by w ritin g ch ange s to NVM. Se lect ing Sa ve disp lays a c onfirma tion p rompt.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 107 6. The system prompts Warn ing Upd ate, save, and res et all APs in th e K nown AP Me nu? yes no Ty p e Y . 7. Select Cance l-[ESC] to disr egard an y chan ges made to this scre en and return to the pr evious me nu .
Configuring the A P 108 AP-4131 A ccess Poin t Product Reference Gui de 2.7.1 Configu ring SNMPv3 Se curity SNMPv 3 define s a method of acce ss point da ta contro l known as the View - Based Ac cess Contro l Model (V ACM).
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 109 T o conf igure the pr operti es of a u ser g roup: 1. Hig hlight the specific use r group and se lect Enter . The User/Group Security C onfiguration sc reen displays for the selected user gr oup.
Configuring the A P 110 AP-4131 A ccess Poin t Product Reference Gui de Authent ication Protocol Defines t he authen tication pr otocol and security privi leges for the user/gro up.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 111 2.8 A CL and Address Filte ring Only 512 maximum com bined entries are available for the A CL. The three modes available ( Disabled , Allowed , and Disallowed) a r e selected in the A c cess Control section of th e System Configuration Menu.
Configuring the A P 112 AP-4131 A ccess Poin t Product Reference Gui de There a re three mutua lly exclusive modes used b y the AP to co ntrol association: Disa bled , Allowed and Disallowed . Access Control Address F iltering List Access Control List Res ul ts Disable d Th e pres ence or abs ence of MAC addres ses do es not a ffect the resul ts.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 113 2.8.1 Configur ing the ACL The ACL supp orts addi ng MU en tries by indi vidual MAC add ress or by a range of MA C addresses. 1. Select the Set A ccess Control List option from the Ma in Menu to disp lay: Add ress Type ? range indi vidu al 2.
Configuring the A P 114 AP-4131 A ccess Poin t Product Reference Gui de 7. Select Delet e-[F1 ] to d elete a range o f Mo bile Uni ts. 8. Select Add -[F2] to add a rang e of Mobile Unit s . 9. Select Save ALL A Ps or press [F3] to save the R ange s of Allowed M o bile Units informa tion to all APs wi th the same Net_ID (ESS).
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 115 2.8.3 Adding Allowed MUs The A ccess Control List screen prov ides a facility to ad d MUs to the ACL. 1. Select the Set A ccess Control List option from the Ma in Menu to disp lay: Addres s Type? range indiv idual 2.
Configuring the A P 116 AP-4131 A ccess Poin t Product Reference Gui de 2.8.5 ACL Option s T o swit ch b etween All owed , Disal lowed or Disabled optio ns locate th e ACL in the System Configuration screen. Use ACL options from th e Se t Sy stem Configuration menu .
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 117 2.8.8 Load ACL from File This opti on loads an A CL from a user defined ACL file (AP_ACL .TXT) entered on th e secon dary sc reen o f the Special Functions Menu. The fo llowing is a n example of the AP_A CL.
Configuring the A P 118 AP-4131 A ccess Poin t Product Reference Gui de 2.9 Configuring Address Fil tering The AP can k e ep a list of MU MA C a d dresses not allowed to associ ate . The Disallowed A ddresse s op tio n provi des securi ty by preven tin g unauth oriz ed access by known devices.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 119 2.9.1 Adding Disallow ed MUs The Disallowed A ddresse s screen pro vides a fa cility to add MUs t o the list : 1. Select Add -[F2] . Th e AP prompt s for a MA C addr ess. 00:0 0:00:0 0:00:0 0 2.
Configuring the A P 120 AP-4131 A ccess Poin t Product Reference Gui de 2.10 Configuring T ype Filteri ng P acket type s support ed for the type filt ering function inc lude the 16- bit DIX Ethern et ty pes. Th e list can i nclude up to 16 typ es. 2.10.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 121 6. Select Cance l-[ESC] to disr egard an y chan ges made to this scre en and return to the pr evious me nu . Users can on ly enable one t y pe filte ring option at a time . 2.11 Clea ring MUs from the AP Clear the MU as sociation t able for diagnostic purposes.
Configuring the A P 122 AP-4131 A ccess Poin t Product Reference Gui de Change t he AP -4131 AP_CFG.TXT file (requi red for manual AP config uration ) to match s ite spe cific netw ork settin gs. [AP Insta llat ion] Unit Name te stho st.sy mbol. com ; up to 31 chars (us e " for spaces ) ;IPA ddre ss 157.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 123 TxPe riod 45 ; 0 - 9999 9 ReA uthen tica te Disa bled ; "Disab led", "E nable d" ReAu thPerio d 120 ; 0 - 99.
Configuring the A P 124 AP-4131 A ccess Poin t Product Reference Gui de ;Ad minPa sswo rd ad min ; up to 1 3 ch ars ;Use rPas sword us er ; up to 1 3 cha rs Mode mConn ected No ; "N o" ".
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 125 TCPP ort1 11 ; 1 - 1 023 TCPP ort1T raffic 10 ; 10 - hig h, 30 - s tandard TCPP ort2 21 ; 1 - 1 023 TCPP ort2T raffic 10 ; 10 - .
Configuring the A P 126 AP-4131 A ccess Poin t Product Reference Gui de ; "Stati stics ", "Adm in", " Ful l" V3Wr iteV iew1 No ne ; " None", "Sys tem".
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 127 V3Re adVi ew4 F ull ; "None", " Sys tem", "S tatis tics" ; " Admi n", " Full ".
Configuring the A P 128 AP-4131 A ccess Poin t Product Reference Gui de APAPM essages D isabl ed ; " Disa bled", "En able d" Teln etLo gins Enabl ed ; " Dis abled ",".
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 129 2.12.1 Upda ting Using TFTP The Ethern et TFTP u pdate meth od requires a connection between the AP an d a comput er on the same Ethernet segment. V erify the comput er has a TFTP server r unning on it .
Configuring the A P 130 AP-4131 A ccess Poin t Product Reference Gui de The AP dis plays the Main Menu . Symb ol A cces s Poi nt MAI N MENU Show Sys tem S umma ry AP Ins tallation Show Int erfac e St .
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 131 Ensure th e F ilename is AP_CFG.TXT unless the use r changed the Filename. V erify the paths a ccuracy for th e filen ame. See step o ne. 8. En ter th e TFTP S erver IP addres s or nam e in the TF TP Se rve r field.
Configuring the A P 132 AP-4131 A ccess Poin t Product Reference Gui de 15. At the pr ompt enter the p assword: Symb ol The password is case- sensitiv e. The AP dis plays the Main Menu . 16. V erify the network settin gs are correct on th e System Summary screen.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 133 5. S elect the corr ect comm unicatio n port, typ ically Direct to Com1 , alo ng with th e foll owing paramete rs: 6.
Configuring the A P 134 AP-4131 A ccess Poin t Product Reference Gui de 9. From the Main Me nu select Sp ecial Func tion s . Symb ol A cces s Poi nt Spe cial Func tions Men u Clear All Stat istic s Rest ore Facto ry C onfi g. Clear MU T able Save Co nfig urati on Clear ACL S ave Conf ig.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 135 10. Pre ss F3 to v iew th e Firmware Update Me nu . Acc ess P oint Firm ware Upda te Me nu Use T FTP to up date Acc ess P oint .
Configuring the A P 136 AP-4131 A ccess Poin t Product Reference Gui de 16. Select Brows e and loc ate the file AP_C FG .TXT . 17. Select XM odem prot ocol from the dr op down list.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 137 2.13 Setting L ogging Options The events logged by the access poin t depend on how the logg ing option s are c onfigure d in the Event Lo gging C onfigurati on sc reen. The ev ent log allow s the adm inistrato r to select and lo g import ant events.
Configuring the A P 138 AP-4131 A ccess Poin t Product Reference Gui de 2. Set Any Event Logging to Enabled to log all events. Spec ify the even ts that do n ot requ ire l oggin g wh en disa blin g Any Event Logging . Use SP ACE BAR or LEFT/RI GHT -ARR OW keys to toggl e between Enabled and Disabled .
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 139 2.14 Updating AP Firmware When up dati ng or downg rading the files the us er is requi red to us e the Firm ware and HTML File option under the fu nction h eading Use XMOD EM to update Access Poin t’s .
Configuring the A P 140 AP-4131 A ccess Poin t Product Reference Gui de Use th e T AB key to s croll throug h men u i tems. T o upda te th e AP fir mware: 1. Co py the Firmware files dsap3_f w .b in and dsapt3 htm.bin on th e termin al or PC hard disk.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 141 5. Select Spec ial Funct ions f rom the Mai n M e nu and pr ess ENTER. Symb ol A cces s Poi nt Spe cial Func tions Men u Clear All Stat istic s Rest ore Facto ry C onfi g. Clear MU T able Save Co nfig urati on Clear ACL S ave Conf ig.
Configuring the A P 142 AP-4131 A ccess Poin t Product Reference Gui de 7. Select Alt er Fi lena me(s) /HELP URL /TFTP Ser ver. 8. Press ENTER. 9. Enter th e firmware filename in t h e firmware field .Firmware Filename . Chang e this only if the us er or sy stem/n etwork a dminis trator requires a new filename.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 143 The WIRED LAN AC TIVITY indicat or on the AP does NO T flash. T o vi e w th e file tr ansfer log, switch to th e TFTP ap plicatio n. The AP r esets w hen the fil e trans fer an d FLASH pro grammin g complete s.
Configuring the A P 144 AP-4131 A ccess Poin t Product Reference Gui de The default filenames for a 4131 model ac cess point are dsap3_fw .bi n and dsa pt3htm.b in 2. Atta ch a n ull m odem serial ca ble f rom th e AP to the PC se rial port. 3. On the PC, start th e emulatio n program .
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 145 5. S elect the corr ect comm unicatio n port, typ ically Direct to Com1 , alo ng with th e foll owing paramete rs: 6.
Configuring the A P 146 AP-4131 A ccess Poin t Product Reference Gui de 9. From the Main Me nu select Special Func tion s and pre ss ENTER. Symb ol A cces s Poi nt Spec ial Funct ions Menu Clear All Stat istic s Rest ore Facto ry C onfi g. Clear MU T able Save Co nfig urati on Clear ACL S ave Conf ig.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 147 11. Un der th e functi on headi ng Us e XMO DEM to Up date Acc ess P oin t 's: select Firm ware and HTML File . 12. Press ENTER. Se lect ing Firmwa re and HTML File dow nload s the file s sep arate ly .
Configuring the A P 148 AP-4131 A ccess Poin t Product Reference Gui de 20. The do wnload is comp lete when the UI d isplays: Down load S ucces sful Upda ting AP Upda te Suc cessf ul If the fir mware up date fai ls, the UI di splays an error code i ndicati ng the cau se.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 149 T o upda te th e AP fir mware: 1. Co py the Firmware files on the term inal or PC hard disk. 2. T elnet to the AP using it s IP address. 3. At th e prom pt ty pe th e pass word : Symb ol The passw ord is c ase- sensi tive.
Configuring the A P 150 AP-4131 A ccess Poin t Product Reference Gui de 5. Select Spec ial Funct ions f rom the Mai n M e nu and pr ess ENTER. Pre ss F3 to v iew th e Firm ware Updat e Me nu .
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 151 9. Press ENTER. 10. Select S ave-[ F1] to sav e sett ings. 11. Select S pecia l Fun ctio ns from the Main Me nu .
Configuring the A P 152 AP-4131 A ccess Poin t Product Reference Gui de The AP dis plays the Main Menu . 16. V erify the accurac y of the version number on the System Summary sc reen. 17. Pr ess C TRL+D to en d th e T elnet sessi on. 2.16 P erforming Pings An access point sends a ping packet to an M U and waits for a response.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 153 T o pin g anot he r stat ion: 1. Select the Show Mobi le Un its screen from the Main Menu to display : Symb ol A cces s Poi nt M.
Configuring the A P 154 AP-4131 A ccess Poin t Product Reference Gui de 4. Select Echo -[F1] to display the Packe t Pin g Se tup screen : Pack et Pi ng Setu p Stati on A ddre ss 0 0:A0 :F8: 10:4A :13 Numbe r of Ping s 10 Packe t Le ngth 10 Packe t Da ta 55 [Star t-CR] [Can cel-E SC] 5.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 155 2.17 Mob ile IP Using MD5 Authentica tion User s can achie ve authe nticatio n by using the MD5 algorithm wi th a s hare d key config ured into th e AP and it s MU .
Configuring the A P 156 AP-4131 A ccess Poin t Product Reference Gui de 2.18 Saving the Configuration The AP keeps only saved configura tion changes af ter a reset.
Configur in g the AP AP-4131 Access Po int Produc t Reference Guide 157 2.19 Resetting t he AP Reset ting a n AP c lears stati stics and r esto res th e last save d conf igur ation . If users m ake unsa ved cha nges, t he AP cl ears t hose ch anges a nd rest ores th e last saved configuration on reset.
Configuring the A P 158 AP-4131 A ccess Poin t Product Reference Gui de 2.21 Configuring Network Time The acce ss point is able to d isplay the loca l time of the serve r used to vali date requests for se cured (password prote cted) resources. T o view t he access point netw ork ti me: 1.
AP-4131 Access Po int Produc t Reference Guide 159 Chapter 3 Monitoring Statistics The AP keeps statist ics of its transaction s during operatio n. These statistic s indicat e traffic, transmissi on success and the existenc e of other radio networ k devic es.
Monit oring Stat istics 160 AP-4131 A ccess Poin t Product Reference Gui de 2. Configure the AP system settings as req uired: Unit Nam e Identifi es the AP name. MAC A ddress (BSS) Identi fies the u nique 48 -bit, hard - c oded Media Access Control address.
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 161 AP Configuration Specifies th e outcome o f reading and processi ng the do wnloaded ap_cfg .
Monit oring Stat istics 162 AP-4131 A ccess Poin t Product Reference Gui de 3. P ress ESC to ret urn to the prev ious m enu. A c cess Control Specifies if th e access c ontrol feature i s set to one of three Access Control modes: Disabled , Allowed , or Disallowe d .
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 163 3.2 Interface Statisti cs The Interface Statis tics scr een pro vides: • pac ket f orwar din g sta tistic s fo r ea ch in terf ac e (Eth erne t or R F ) • perf ormance infor m ation for e ach interface in packets per secon d (pps) and b ytes pe r second (bps) .
Monit oring Stat istics 164 AP-4131 A ccess Poin t Product Reference Gui de 3.3 Forwarding Counts For wa rd in g C ou nt s provid es informat ion on pa ckets tran smitted from one inter fac e to a noth er (E thern et, radi o, o r AP) . F orwar ding Cou nts also displays the broadcast pa ckets (Bcast) tran s mitted f rom the AP .
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 165 3.4 Mobile Units Mobile Units (MU ) statistics pr ovide info rmation on MUs assoc iated with the AP . The statisti cs incl ude inf ormation o n data sent and rece ived, ac tivity and association.
Monit oring Stat istics 166 AP-4131 A ccess Poin t Product Reference Gui de Use T AB or arrow keys to highlight the d esired screen. P ress ENTER to display the selected screen.
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 167 • T o bring up deta iled inform ation on an MU , p ress T A B to h ighlight t he MU and selec t Info to display : Symb ol .
Monit oring Stat istics 168 AP-4131 A ccess Poin t Product Reference Gui de Displaye d information includ es: Interface The AP inter face sh ows the MU c onnectio n as: RF , Ethernet or AP . State The co nnection s tate bet ween the AP and the MU : Host indica tes the unit is on the AP inte rfac e.
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 169 • S elec t Auth to display EAP - TLS Authen tic ation statis tics fo r the targ et MU . • S elec t Refre sh at t he st atus displa y to update values man ually . • Pr ess E SC to ret urn to the prev ious m enu.
Monit oring Stat istics 170 AP-4131 A ccess Poin t Product Reference Gui de 3.5 Mobile IP The foll owing tables display the ma pping of MU s to mobil ity agen ts.
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 171 3.6 Known AP s The AP displa ys a list of the known APs derived from AP -t o-AP commu nication . The list inclu des the MA C and IP addresses and config uration inform ation for each AP .
Monit oring Stat istics 172 AP-4131 A ccess Poin t Product Reference Gui de • S elec t Swit ch to view th e Un it Nam e for each known AP . Symb ol A cces s Poi nt Known Acc ess Point s Net _ID: 1 01 IP Address Unit Name 111. 111. 12.62 ENG_O NE 111.
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 173 The AP dis plays for ea ch known AP : • S elec t Ec ho-[ F1] t o pi ng an entry a fte r sele ctin g the desired entry usin.
Monit oring Stat istics 174 AP-4131 A ccess Poin t Product Reference Gui de 3.7 Ethernet Statistic s The AP kee ps Ethern et per formanc e statis tics inc luding packet transmis sion and da ta retries until rese t.
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 175 – Sel ect Re fresh at the s tatus disp lay to upda te values m anually . – Sel ect Ti med to a utomat ically upd ate t his dis play e very tw o secon ds. – P ress ESC to r eturn to t he prev ious men u.
Monit oring Stat istics 176 AP-4131 A ccess Poin t Product Reference Gui de 3.8 Radio Statistic s The AP keeps rad io performan c e statist ics including pa cket and comm unication info rmation.
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 177 Radi o perfo rmance s tatistics include: Data P ackets Sent The t otal data p ackets transm itted. Data Bytes Sent The total data packets tra nsmitte d in b ytes. BC/MC P acke ts Sent Th e br oadc ast /mul tic ast u ser data pack et s succes s fully tra nsmitted .
Monit oring Stat istics 178 AP-4131 A ccess Poin t Product Reference Gui de – Sel ect Re fresh at t he st atus displa y to upda te the v alu es ma nuall y . – Sel ect Ti med to a utomat ically upd ate t his dis play e very tw o secon ds. – Sel ect WL AP to d isplay t he WLAP RF Statistic s page .
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 179 •T o d i s p l a y t h e WLAP RF Statistics screen select WLAP -[F3] . Symbol Access Point WLAP R F Statis tics Current # .
Monit oring Stat istics 180 AP-4131 A ccess Poin t Product Reference Gui de Where: Current # WLAP Itf Refe rs to the current Wi reless AP interfaces in use in a 1- 4 range.
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 181 – Sel ect Re fresh at the sta tus disp lay to updat e the value s man ually . – Sel ect Ti med to a utomat ically upd ate t his dis play e very tw o secon ds. – P ress ESC to r eturn to t he prev ious men u.
Monit oring Stat istics 182 AP-4131 A ccess Poin t Product Reference Gui de 3.9 Misce llaneous Statistics The AP keeps statistics on WNM P and SNMP packets, filt ering and Mobile IP .
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 183 WNMP stat istics include: SNMP st ati stic s incl ude: Filter statis tics include: Mobile IP sta tistics include: – Sel ect Re fresh at the s tatus disp lay to upda te values m anually .
Monit oring Stat istics 184 AP-4131 A ccess Poin t Product Reference Gui de 3.9.1 Analyzing Channel Use The AP kee ps statis tics for indivi dual C hannels ( frequencie s). These identify chan nels th at ha ve diffi cul ty transm itti ng or rec eiv ing due to retri es.
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 185 3.9.2 Analyzin g Retries The AP k eeps st atistics of packet s with mu ltiple re tries. Use these s tatistics to iden tify s evere oc curren ces of r etries. Retries occu r when the tra nsmit ting statio n fails to re ceive an acknowledg ment for a transmi tted pa cket.
Monit oring Stat istics 186 AP-4131 A ccess Poin t Product Reference Gui de 3.10 Event History The AP t racks speci fic ev ents. The types of ev ents logg ed are config urable. The log is a 128-entry ci rcular buffer . After t he 128th ent ry , the earliest event entry dele tes.
Monit oring S tatisti cs AP-4131 Access Po int Produc t Reference Guide 187 3.11 Clea ring Statistics T o cl ear statist ics: 1. Select Special Functions from the Main Menu. 2. Select Clear All Statistics . The AP zeroes all stat isti cs. Rese tting th e AP also clea rs statist ics.
Monit oring Stat istics 188 AP-4131 A ccess Poin t Product Reference Gui de.
AP-4131 Access Po int Produc t Reference Guide 189 Chapter 4 Hardware Installation AP in stall ation i nclud es conn ectin g the AP to the wir ed ne twork, AP placemen t and power up.
Hardware In stallation 190 AP-4131 A ccess Poin t Product Reference Gui de 4.3 R equirements The minim um installatio n requirement s for a single - cell, peer -to -p eer netw ork: • a pow er outlet • an A P ant enna . The 4131 AP supports a 10/100Base - T unshield ed twisted pair (U TP) wired LAN ca bling co nnecti on.
Hardware Inst allation AP-4131 Access Po int Produc t Reference Guide 191 3. Ad d more ac ce ss poi nts as neede d. 4.3.3 Si ngle Cell The single - cell conne ction opti on allows a single AP to brid ge MUs with out a wired network. MUs ap pear as peers i n any Ethernet envi ronment.
Hardware In stallation 192 AP-4131 A ccess Poin t Product Reference Gui de If inst alling tw o antenn as, enable th e Anten na Selec tion in the User Int erface found in sectio n 2.
Hardware Inst allation AP-4131 Access Po int Produc t Reference Guide 193 4.6 Mounting the AP The AP rests on a flat surface or attaches t o a wall, or any hard, flat, stable surfa ce. Use t he st anda rd-mou nti ng kit pro vided w ith th e Spec tru m24 AP -4131access point .
Hardware In stallation 194 AP-4131 A ccess Poin t Product Reference Gui de 4.8 BIA S - T Low P owe r Distri bution Syst em The BIAS- T system provid es an eco nomica l and reli able meth od for powering access point(s) from a remote location.
Hardware Inst allation AP-4131 Access Po int Produc t Reference Guide 195 Th e BIAS- T is a smal l lig htw eig ht un it wi th a RJ-45 patc h co rd in put c onn ector fro m the hu b on t he lef t -hand sid e and a RJ-4 5 patc h co rd ou tput c onne ctor (vi a the w iring in fras tructure ) to a n a ccess point on the ri ght -hand si de.
Hardware In stallation 196 AP-4131 A ccess Poin t Product Reference Gui de T o install a BIAS- T system using a single B IAS - T unit and access p oint: Steps 1- 3 could in volve run ning Ethe rnet cablin g throu g h i ndustrial w alls or ceilings. Only a qu alified co ntractor shou ld perform th is kind of cabl ing .
Hardware Inst allation AP-4131 Access Po int Produc t Reference Guide 197 4. Atta ch a th ird R J - 45 pa tch co rd fr om t he inp ut co nnecto r on t he l eft -hand side o f the BIAS - T unit t o the HUB supporti ng th e Spec trum24 com ponent install ation.
Hardware In stallation 198 AP-4131 A ccess Poin t Product Reference Gui de 4.9 LED Indica tors The top pa nel LED indica tors provide a statu s display indi cating transm ission and ot her activity . Th e indic ators are: Po w e r Flashing indica tes AP initializat ion.
Hardware Inst allation AP-4131 Access Po int Produc t Reference Guide 199 4.9.1 WLAP mode LED dis play . When in the WLAP mo de the chart bel ow signifi es the AP s LED indica tor status. F or the IEEE 802.11 prot ocol and AP s using firmw are version 2.
Hardware In stallation 200 AP-4131 A ccess Poin t Product Reference Gui de 5. When all WLAP connection s are in F o rward stat e: Special cases : • If th e WLAP manual BSS_ ID is N O T set and no o ther WLAP is fo und, the WLAP g oes to the f unctio nal stat e.
Hardware Inst allation AP-4131 Access Po int Produc t Reference Guide 201 4.10 T roubleshooting Check the followi ng sym ptoms and th eir possibl e cau ses before co ntact ing the Symbo l Support Cen ter . 4.10.1 Ensure wired network is operating V erify AP ope ration: 1.
Hardware In stallation 202 AP-4131 A ccess Poin t Product Reference Gui de – Che ck th at the radio d river loaded properly . – Check that th e MU PRO T OCOL .INI or NE T . CFG file is compa tible with the network oper ating system. 4. Slow or er ratic performan ce: – C heck MU a nd R F co mmun icati ons range.
AP-4131 Access Po int Product Re ference Guide A-1 Appendix A Specifications A.1 Physical Characteristic s Dimensions 1.75” H x 6” L x 8.5” W (4.
Specificatio n s A-2 AP-4131 Access Point Produc t Reference Guide A.2 R adio Characteristics Fre qu en cy Ran ge (c ountry dependent; within 2400 MHz to 2500 MHz) Radio Data R ate • 1 1 Mbps -- O ptiona l • 5 .5 Mbps - - Option al • 2 Mbps -- Required • 1 Mbps -- Required 11 Mbps Range op en e nvir onment - over 100 ft.
Specifi cation s AP-4131 Access Po int Product Re ference Guide A-3 A.3 Network Characteristics Driver Support NDIS v4.0 a nd v 5.0 Ethernet Frame DIX , Ethe rnet_II a nd IEEE 802.
Specificatio n s A-4 AP-4131 Access Point Produc t Reference Guide.
AP-4131 Access Po int Product Re ference Guide B-1 Appendix B Suppo rted Mo dems The AP uses Hay es commands an d is capable of wo rking with various modems of 1 9200 baud or faster . Symbo l doe s not suppo rt mo dems the co mpan y ha s not q uali fied.
Support ed Mode ms B-2 AP- 4131 Access Point Pr oduct Reference Gui d e.
AP-4131 Access Point Produ ct Reference Guide C-1 Appendix C Cu stomer Support Symb ol T echnol ogies prov ides its custome rs with promp t and accurat e customer support . Use the Symbol Support Cen ter as the prim ary contact fo r any tec hnical prob lem, ques tion or support issue invo lving Symb ol produc ts.
Customer Supp ort C-2 AP-4131 Acces s Point Pr oduct Refer ence Guide International Contacts Outs ide No rth Amer ica, contact Symb ol by: •S y m b o l T e c h n o l o g i e s Symbo l Plac e Winners.
AP-4131 Access Po int Product Re ference Guide D-1 Appendix D Country Identification C odes Use t he t a b le b elow to sele ct a Co untr y N ame, Fi rst Cha nne l, Number (No .) of Ch annels, De fault Chan nel, Ma ximum T ransm it P ower , R egulatory Domain , and Co untry ID .
Coun try Ident ific ation C odes D-2 A P-4131 Access Poin t Product Reference Gui de Fin lan d FL 1 13 11 20 30 Fra nce FR 11 3 11 20 32 Germ any DE 1 13 11 20 30 Gree ce GR 1 13 11 20 30 Guat emala G.
Coun try Ident ifica tio n Cod es AP-4131 Access Po int Product Re ference Guide D-3 Pa n a m a PA 1 13 3 20 99 Philip pines PH 1 13 3 20 99 Po l a n d PL 1 13 3 20 99 Po r t u g a l PT 1 13 11 20 30 .
Coun try Ident ific ation C odes D-4 A P-4131 Access Poin t Product Reference Gui de A site lic ense is r equired for Indi a. T o support th is reg ulatory requi rement, ente r the Site Lic ense ID in the Net_ID field on the AP Instal latio n Screen.
AP-4131 Access Point Produ ct Reference Guide E-1 Appendix E Installi ng and Co nfiguring K erbero s Setup Servi ce The Ke rberos Setup Ser vice (KSS) progra m runs on the K ey Distrib ution Center (KDC) server . The KSS c an be used option ally to administer Spectr um24 ac cess poi nts aut horized o n the ne twork.
Installing and Config uring Kerbe ros Setu p Service E-2 AP-4131 Acces s Point Pr oduct Refer ence Guide Java Runti me is o n the Spec tru m24 High Rate 1 1 Mbps Wireless LAN Software CDROM with in the KSS directo ry .
Insta lli ng a nd Conf igu ring Ker bero s Se tup Ser vice AP-4131 Access Point Produ ct Reference Guide E-3 5. Click Next when the Choose Destination Location dialog box disp lays to insta ll KSS to the defaul t destinatio n folder . The user has the option of clicking Browse and sele cting a different folder if nece ssary .
Installing and Config uring Kerbe ros Setu p Service E-4 AP-4131 Acces s Point Pr oduct Refer ence Guide 3. Ent er t he use r name (20 char acte rs ma ximum ) in the First name and Last name fi elds. Click Next . 4. En ter and confirm a passwor d for the user .
Insta lli ng a nd Conf igu ring Ker bero s Se tup Ser vice AP-4131 Access Point Produ ct Reference Guide E-5 E .3 P rep aring the KSS for Access P oint V alidation T o prep are the KSS to validate a ccess po ints: 1. Click Start select Pro g r am s , WLAN , WLAN KSS , and Start KSS.
Installing and Config uring Kerbe ros Setu p Service E-6 AP-4131 Acces s Point Pr oduct Refer ence Guide The Preference dialog box d ispla ys. 5. Select User Defined Secret K ey to ente r and confir m a secret key diffe rent f rom the defaul t key . If the defa ult secret key is acceptab le, leave the Defaul t Secret Key checkbox selected .
Insta lli ng a nd Conf igu ring Ker bero s Se tup Ser vice AP-4131 Access Point Produ ct Reference Guide E-7 The Ke rberos Account Entry dialog box d ispla ys. 8. Select the Edit Open E nr ollment Default P roperties ch eck box. 9. En ter the KDC Name , R ealm/Doma in and KDC IP Ad dres s values .
Installing and Config uring Kerbe ros Setu p Service E-8 AP-4131 Acces s Point Pr oduct Refer ence Guide 10. Click Sa ve. The Ke rberos Account Entry property page d ispl ays t he new values. 11. Click Ex i t to retur n to the K erber os Se tup Serv ice window .
Insta lli ng a nd Conf igu ring Ker bero s Se tup Ser vice AP-4131 Access Point Produ ct Reference Guide E-9 Se lect ing Enable (Always) from the Se tup Sta tus pull- down men u enable s KS S authent ication f or the select ed access poin t at all time s.
Installing and Config uring Kerbe ros Setu p Service E-10 AP-4131 A ccess Point Product Re ference Guide The Listen For Connection Box displa ys. 17. Select Ye s if th is is t he corr ect conn ection port. The Kerber os Se tup Servic e windo w displ ays .
Insta lli ng a nd Conf igu ring Ker bero s Se tup Ser vice AP-4131 Access Point Produ ct Reference Guide E-1 1 When the APs initiali ze, the AP list vie w window di s plays t he Connection Events (A Ps that were either suc cessf ul or were not gran ted acc ess to KSS).
Installing and Config uring Kerbe ros Setu p Service E-12 AP-4131 A ccess Point Product Re ference Guide E .4 Manually Cre ating an Access P oint Setup Account Manual ly cr eate an AP Setup Accoun t for t he AP and creat e a K erberos acco unt with the KDC.
Insta lli ng a nd Conf igu ring Ker bero s Se tup Ser vice AP-4131 Access Point Produ ct Reference Guide E-1 3 T o crea te a n acc ess poi nt setu p ac coun t: 1. From the Edit menu, select AP Setup ACL . 2. Enter the AP MA C Address as a P rimary K ey in t he AP Se tup Account Data base di alog bo x.
Installing and Config uring Kerbe ros Setu p Service E-14 AP-4131 A ccess Point Product Re ference Guide 4. Enter the AP access ran ge set the time an d status in formatio n using th e Setup Start Time and Se tup E xpire Time pul l-down m enus. 5. Set the SNMP Set ting .
Insta lli ng a nd Conf igu ring Ker bero s Se tup Ser vice AP-4131 Access Point Produ ct Reference Guide E-1 5 The acce ss point ca n now be config ured for Kerbero s supp ort via the Serial or T eln et interfaces . The K erb eros Co nfig ura tion pa rame ters have been mo ved to th e Spec ial F unctions screen in th e Seri al and T elnet UI.
Installing and Config uring Kerbe ros Setu p Service E-16 AP-4131 A ccess Point Product Re ference Guide.
AP-4131 Access Point Produ ct Reference Guide Index-1 Numerics 10/100Base-T unshielded tw ist ed pair 190 10/100Base-T UTP 19 0 A access contro l 14 dis allow ed address 14 MU 14 unau thorized a ccess.
Index-2 AP-4131 A ccess Po int Product Refere n ce Gui d e monit oring st atistics 159 moun ting 193 netw ork co nnec tio n 190 powe r adapter 19 3 powe r options 192 PSP 24 Radi o Charac teristics A-.
AP-4131 Access Po int Product Re ference Guide Index-3 add i t ional DN S 57 add iti onal gatew ays 56, 58 antenn a selection 57 coun try config 56 dhcp disa bled 58 dhcp/b ootp ena bled 58 dhcp /boot.
Index-4 AP-4131 A ccess Po int Product Refere n ce Gui d e saving 156 Setti ng Log ging Op tion s 137 Special Fu nctions 156 system p arameters 59 System Password Ad ministration 69 TCP/IP 37 Telnet 3.
AP-4131 Access Po int Product Re ference Guide Index-5 DTIM AP 10 association pro c ess 10 root AP 10 E electr omagneti c wav es 3 encrypt ion 25 128 Bit 92 40 Bit 90 admi nistration 66 environm ent 3.
Index-6 AP-4131 A ccess Po int Product Refere n ce Gui d e K Kerberos AP proxy 29 auth enticat ion 26 auth enticat ion se rvice (A S) 28 def aul t sett ing 31 disa bling 31 enablin g 31 impl ementati .
AP-4131 Access Po int Product Re ference Guide Index-7 data encry ption 25 DTIM 25 filtering 14 home agent 23 known AP s 171 Mobile IP 21, 170 perf orming pi ngs 152 powe r mode 168 priori ty 168 remo.
Index-8 AP-4131 A ccess Po int Product Refere n ce Gui d e roami ng across routers 22 AP 23 home agent 23 IP a ddres s 22 Mobile IP 21 MU 23 TIM 24 root AP association pro c ess 10 Bridge Protocol Dat.
AP-4131 Access Po int Product Re ference Guide Index-9 kerberos 96 kss name 96 kss port 96 MD5 key 62 Mode m Conn ected 63 MU-MU Disa llowed 63 password 96 rea lm na me 96 rf Inte rface 65 S24 Mobile .
Index-10 AP-4131 A ccess Poin t Product Reference Gui de WLAP Max Age 75, 76, 83 WLAP mode 75 , 82 WLAP priority 75, 82 WLAP priori ty valu e 10 WLAP forward de lay config uration 77, 84 WLAP hello ti.
デバイスSymbol Spectrum24 AP-4131の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Symbol Spectrum24 AP-4131をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはSymbol Spectrum24 AP-4131の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Symbol Spectrum24 AP-4131の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Symbol Spectrum24 AP-4131で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Symbol Spectrum24 AP-4131を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はSymbol Spectrum24 AP-4131の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Symbol Spectrum24 AP-4131に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちSymbol Spectrum24 AP-4131デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
