Instruction/ maintenance manual of the product TS8 Digi
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9200030 7_B Po rtS erv er T S 8 /16 Confi guration and Admin istratio n Gu ide.
The Digi lo go is a t radem ark of Digi Internationa l. Al l o ther b ran d an d p roduc t names a re trademar ks of t hei r resp ec tiv e h old er s. © Digi Interna tional Inc.
i Content s Chapter 1 Introdu c tion Set up Over vi ew .... .. .... .. .... .. .... .. .... .. .... .. .... .. ..... .. .... .. .... .. .... .. .... .. .... .. .... .... .. .... .. .... . 1- 2 About This Guide . ..................... . ...............
ii Chapter 6 Configuri ng Port s for Modems Tip s on Conf igur ing A Mod e m .. .... .. .... .. .... .. ..... .... .. .... .. .... .. .... .. .... .. .... .. .... .. .... .. ... 6- 2 Conf ig urin g Por ts fo r Mo dem s: We b Int erf ace .. .... .. ...
iii Res ett ing the Conf igur ati on to D efa ult s . .... .. ..... .. .... .. .... .. .... .. .... .. .... .. .... .... .. .... .. . 1 4- 6 Chapter 15 Conf iguring Users About Configuring Users . ......................................................
iv.
Intr oducti on 1-1 Chapt er 1 Intro ducti on In This Ch apter This chapter provi des a bri ef introduct ion on se tt ing up your Digi device. It discu sses the follo w ing topic s: • Setup O verv iew . . . . . . . . . . . . . . . . . . . . . . . . .
1-2 Setup Ove rview Setu p Ov ervie w Th is s ec tion pro v i des an overv ie w of th e se tup proc ess. Step A: Plan Before beginni ng s etup , conside r the followi ng: • How to assig n an IP add ress to the Dig i devi ce ’ s E thern et int erf ace, whi ch can be accom plis hed in a numb e r of wa ys.
Intr oducti on 1-3 Ab out This Guid e Purpos e This gui de provi des the foll owing: • Co nfiguration and adminis tration pro cedu res • C on fi gur a tio n ex a mp le s Audienc e This m anual is intende d for t he person respons ible for con figuring and admini stering PortSe rver T S 8/16.
1-4 Oth e r Do cuments in the L ibr ary Ot her D oc um ent s i n t he Li br ary Here is a list of t he ot he r document s in the library: Acce ss Resou rce CD Card This card provides information on t he content s of the A cc ess Res our ce C D. It in cludes the C D mount ing ins tructions requi red to a ccess the CD on m a ny Uni x system s .
Intr oducti on 1-5 Ab out Conf igur ati on Met hods Use th is sec tion t o learn abo ut co nfigu ration met hods. Configur ing the PortServer TS 8/16 from an Attached T ermin a l W ith this method , you cabl e a terminal or P C run ning termina l emulat ion software to a Por t Serv er TS 8/16 por t and then use the comma nd line to enter commands.
1-6 Conf iguratio n Prer equisi tes Con figu rati on P rer equi sit es Accessing the Command Line from a Locally-Connecte d T erminal Use th is p rocedure to acces s th e command li ne and the config urati on fro m a termina l c onne cted t o on e of the PortS erver TS 8/1 6’ s se rial port s.
Conf igurin g t h e IP A ddress 2-1 Ch apter 2 Confi guring t he IP Address In This Ch apter This cha pter discusses how to confi gure P ortServer TS 8/ 16’ s IP addre ss and othe r f eatures as socia ted with its Eth ernet inte rface . It disc u sses th e foll o wing topi cs : • Opt ions fo r C onfig uring th e IP Ad dress and Mask .
2-2 Opt ions for Con figuring the IP Addr ess and Mask Opt ions for Confi guri ng the IP Ad dress an d Ma sk Options Th e Po r tS erv er T S 8 / 16 IP a dd res s ca n b e co nfi gu red us ing t he fo .
Conf igurin g t h e IP A ddress 2-3 Co nfig uring th e Ethe rnet Int erfac e wi th DP A -R emote Use this section t o configur e an initial IP addres s, subnet mas k, and d efault ga teway us ing DP A- Rem ote. This pr oc e dure ca nnot be used to c hange the IP addr es s , but o nly to ass ign the initial IP addre ss.
2-4 Conf iguring the I P A dd r es s Using Ping -ARP Co nfig uring th e IP Addres s Us ing Ping -ARP Use th is sec tion t o conf igure an IP addr ess b y m an ual ly u pdat ing a se rv er’s ARP tabl e and the n pingi ng the Digi devic e. Starting Point This procedu re assu mes the f ollo wing: • That y our Digi devi ce suppo rts this feature.
Conf igurin g t h e IP A ddress 2-5 Co nfig uring th e Ethe rnet Inte rfac e from t he Comma nd L ine Th is s ec tion dis c uss e s how use the command line to confi gure an IP addre ss, mask, and defau lt gate way for PortS e rver T S 8/16’ s Etherne t int erface.
2-6 Con figur ing an I P A ddress usi ng D HC P and RARP.
Conf igurin g Port s for R ealPo rt 3-1 Chapt er 3 Configuring Po rts for RealPo rt In This Ch apter This chapter describ es h ow to confi gure PortSer ver TS 8/16 f or RealPort conne ction s . It discusses the fol lowing topics: • About R e alPort .
3-2 About Re alPort About RealPort Th is s ec tion pro v i des a brie f intr oduct ion to Real Port . Wh at i s R eal Port ? RealPort is a feature that all ow s network-base d hos t systems t o use th.
Conf igurin g Port s for R ealPo rt 3-3 Co nfiguri ng Port s: W eb Int erface Use th is pro cedure to config ure a po rt fr om the web int erfac e. 1. Acce s s the web inter face by entering th e PortServ er TS 8/16 IP address in a browser ’ s U R L win- dow .
3-4 C onfigurin g Ports for Re alPort: Comman d Li ne Co nfiguri ng Port s for R ea lPort : Comman d Line Th is s ec tion desc ribes how to conf igure Rea lPort po rts fr om th e command l ine. Procedure Use th is procedure to use the com m and line to configur e PortServer TS 8/16 fo r Real Port.
Conf igurin g Ports f or P rinte rs 4-1 Chapt er 4 Co nf igur in g Por ts for Pr in ter s In This Ch apter This c ha pter describ es how t o confi gure Po rtServer TS 8/ 16 ports for printer c onnection s. It dis cusses the following topic s: • Con figur ation Co nside ration s .
4-2 C onfigurati on Consider ations Co nfig uratio n Consi dera tions Y ou shou ld be aware o f the fo llowing con siderat ions if you inten d to configur e Po rtServer TS 8/16 to h andle pri nters.
Conf igurin g Ports f or P rinte rs 4-3 Tips for te lnet a nd rsh Printing Here a r e some tips for han dling telne t and rsh print ing: • If li ne fe ed and carria ge return problems oc c ur , t ry supplyi ng a set line com mand th at specif ies onlc r=on.
4-4 Co nfiguring Print er C onnections: Comman d Li ne set line range=2 ba ud =960 0 c size =8 stopb=1 pa ri ty=n set flow range=2 ct s= on ixon=off ixof f=off.
Conf igurin g Ports f or P rinte rs 4-5 Co nfig urin g a Po rt for Dire ct- Acc ess Pr inti ng Direc t a c c es s printing al lows T elne t users on the LAN to a ccess a port and to iss ue pr int c om ma nds direc tly to the print er .
4-6 Co nfi gur in g a Po rt fo r Di re ct- Access Pri nti ng.
Confi guring Por ts for Terminal s an d Computer s 6-1 Chapt er 6 Co nfi gur in g Por ts fo r T er mi nal s and Comput ers In This Ch apter This cha pter describ e s h ow to confi gure Po rtServer TS 8/16 p orts for termina l and computer conne ctions.
6-2 Con figuring Po r t s for Terminal s : Web Inte rface Co nfiguri ng Port s f or T ermina ls: Web In terfac e Use th is pro cedure to config ure a po rt fr om the web int erfac e. 1. Acce s s the web inter face by entering th e PortServ er TS 8/16 IP address in a browser ’ s U R L win- dow .
Confi guring Por ts for Terminal s an d Computer s 6-3 • bps is the line s p eed • char acters is the chara cter size • pa r ity i s t he pa rity schem e to use on t his line • num-bit s is the number of stop bit s to use 3.
6-4 Abou t Computer Connection s.
Confi guring Por ts for Modems 5-1 Chapt er 5 Config uring P orts f or Modems In This Ch apter This cha pter describ e s h ow to confi gure Po rtServer TS 8/ 16 p orts for m o de m c onnectio ns. It dis cusses the following topic s: • T i ps on Co nfigu ring A M odem .
5-2 Ti ps on Co nfiguring A M odem T ips o n Conf igur ing A Mo dem Here a r e some t ips on con figuring modems to work with PortServe r T S 8/16 : • Co nfigure th e modem s o that DCD goes hi gh when it receiv e s an incom ing c o nnection req ue st .
Confi guring Por ts for Modems 5-3 Co nfiguri ng Port s f or Modems: We b Inte rfac e Use th is procedure to configu re a port for a mode m from the we b int e rfa c e. 1. Acce s s the web inter face by entering th e PortServ er TS 8/16 IP address in a browser ’ s U R L win- dow .
5-4 C onfigurin g Ports for Outgo ing/ B i -Directi onal Conne c- Exam pl e In this e xamp le , ports 1 and 2 a r e s et up for in c oming mode m connec tions usi ng R TS/CTS flow cont rol.
Co nfiguring PPP 8-1 Chapt er 8 Conf igurin g PPP In This Ch apter This ch apt e r discuss es h ow to configure PPP connections . It c overs the followin g topics: • Con figuring PPP C onnect ions: W e b In terface . . . . . . . . . . . . . . . . . .
8-2 C onfigurin g PPP Connect ions: Web Inte rface Confi gurin g PPP Connect i o ns: We b Inter face Use th is procedure to conf igure PPP connecti ons from the web interfac e. 1. Access the web int e rf ace by plac ing the IP address of th e Digi devi ce in the U RL window o f a br ows er .
Co nfiguring PPP 8-3 Confi gurin g Inbound PPP Connecti ons: Comm and Lin e Use th is section t o configure simple inbound PP P c onnect ions from the command line. F or inform a t ion on fine-tuni ng PPP connec tions, see the s e t user comm a nd in the Digi One/P ortServer TS Command Refer e nc e .
8-4 C onfigurin g Inbound PPP C onnections: Command Li ne 7. T o confi gure an IP address for th e local end of the PPP co nne cti on, ent er the follow ing com - mand: set user name= name localipaddr= ip-address where name is the user’ s name and ip-a ddre ss is the IP address to assig n to the loca l en d of t he PPP conne ction.
Co nfiguring PPP 8-5 Confi gurin g Outboun d PPP Connect ions: Command L ine Th is s ec tion desc ribes how to confi gure out bound PPP conne ctions . Us e it to configu re out boun d only con nections or t o configure the outbou nd porti on of b idirecti onal connecti ons .
8-6 Co nfiguring Outbound PPP C onnect ions: Command Line set user name= name outgoing=on device= device where d e vice is either the Digi-s upplied device or the outbound devic e c re a t e d earli er in this pro- ced ure Exam pl e: set user name=pppout outgoing=on device=gendialer 8.
Confi guring IP Ro utin g 9-1 Chapt er 9 Conf igurin g IP Routing In This Ch apter This cha pter describ es how t o c onfigure I P routin g. It discus ses the fo llowing to pics: • Int roducti on to Routing . . . . . . . . . . . . . . . . . . . . . .
9-2 Introd uction to Routing Int roduc tio n to Rout ing Th is s ec tion pro v id es so me in t rod u c tory infor m ation on r outin g. Wh at i s R ou t in g Routi ng is t he m ethod, employe d by IP sof tware, of choosin g a p ath over whic h t o send pa cket s betwe en systems on di fferent physic a l netwo rks.
Confi guring IP Ro utin g 9-3 Ab out RIP Ro uting Updat es Intro duction RI P de fines a me thod for pro pagating rout ing informat ion a mong route rs. It provides IP software with the i nfor m atio n n e e ded to mak e intel ligent routi ng decisi ons.
9-4 Abou t RIP Ro utin g Upd ates reg ard ed R 2 as an al ter nat e path to N et 1 . The second is ca lled “pois on reverse,” whic h stipul ates tha t routes are adver ti sed a s un reach able on th e inte rface on wh ich the route is learne d.
Confi guring IP Ro utin g 9-5 Co nfig uring Sta tic Route s Th is s ec tion desc ribes how to confi gure PortServ er TS 8/16 for static ro utes . Rela t ed Inf ormation Se e the s et rout e command in t he Digi On e/PortServe r TS Command R e f e r ence .
9-6 C onfiguri ng Dynami c R ou tes Using RIP Configur ing Dynamic Routes Using RIP Th is s ec tion desc ribes how to confi gure Po rtServ er TS 8/16 for dy n ami c rout ing . Rela t ed Inf ormation See the set f or ward in g comm an d i n t he Di gi One/PortSe rver T S Command R efe re nce .
Confi guring IP Ro utin g 9-7 Co nfiguri ng Prox y ARP Th is s ec tion desc ribes how to confi gure PortServ er TS 8/16 for Prox y AR P. Rela t ed Inf ormation See the set f or ward in g comm an d i n t he Di gi One/PortSe rver T S Command R efe re nce .
9-8 Conf iguring Prox y ARP.
Co nfiguring Auto connectio n 7-1 Chapt er 7 Conf igurin g Auto connecti on In This Ch apter This Cha pter discu s se s how to confi gure t he au toconnect ion feature. It covers the follo wing topic s : • About Aut oconnection . . . . . . . . . . .
7-2 About Aut oconnect ion Ab out A utoco nnec tio n The auto connectio n feature al lows you to confi gure a user t o access the Port Server TS 8/1 6 and then be automati cally c onnected to a hos t on the L AN. Y ou can imple ment autoc onnection in t he follo wing ways: • By port.
Co nfiguring Auto connectio n 7-3 Co nfig urin g a User f or Au toco nnect ion : We b Inte rfa ce 1. Acce s s the web inter face by entering th e PortServ er TS 8/16 IP address in a browser ’ s U R L win- dow . 2. Log in to the PortS erver T S 8/16 as root.
7-4 C onfigurin g a Us er for Autoco nnection: Command Li ne.
Confi guring Console M anagement 10-1 Chapt er 10 Confi guring Cons ole Mana gement In This Ch apter • About C onsole Ma nagement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2 • Con figur ing C onso le Ma nagem ent: W eb Inter face .
10-2 About Cons ole Mana gement Ab out Cons ole Man a g ement Port Server TS 8/16 c a n be configure d to remo tely mana ge netw ork device s , such as r o uter s, swit ches, and se rvers, which usu ally provide EIA-232 se rial p or ts for ma nagemen t.
Confi guring Console M anagement 10-3 • key i s the name of a fi le t hat contai ns the DSA publi c ke y . If yo ur host’ s impl ementation requi res a compl ete pat h to the f ile, spe c i fy the path h ere a s well. Example: set user name=secure loadkey=143.
10-4 Conf iguring Consol e Manageme nt: Comman d Li ne.
Co nfiguring Secu r i ty F eatures 12-1 Chapt er 12 Configuring Security Featur es In This Ch apter This c hapter d escribes PortSer ver TS 8/16 se curity features a nd d iscusses h ow to confi gure t hem. It pr e sen ts the fol lowing topi c s: • Cont rollin g Acce ss to the Digi One/Por tServer TS 2/4 Config uration .
12-2 Con trolling Access to the PortS erver T S 8/16 Conf igura- Co ntrol ling Ac cess to the PortSe rver TS 8/16 Configuration Port Server T S 8/16 res trict s acce ss to t he config uratio n by defining t he fol lowi ng types of use r s : • T he root user , who has u nlimi ted access to P ortS erv er T S 8 /16 com ma nds .
Co nfiguring Secu r i ty F eatures 12-3 Co ntrol li ng Acce ss to Out boun d Ports Th is s ec tion desc ribes me t hods for controlling access to outbound s eria l por ts.
12-4 Usi ng R AD IU S to Au th en tica t e Users Using RADIU S to Authenticate Users Th is s ec tion pro v i des a des cription of RADIUS and explains how to c onfigure Por tServe r TS 8/16 to u se RADIUS.
Co nfiguring Secu r i ty F eatures 12-5 RADIUS Accounting Attribu tes ( RFC 2139) The fol lowing RADIUS account ing attr ibutes a re sup ported in the Digi PortS erver TS 8/16. How RADIUS Wor ks Here is how authentic ation work s when PortS e rv e r TS 8/1 6 is c onfigure d for RADIUS: 1.
12-6 Usi ng R AD IU S to Au th en tica t e Users Configur ing RADIUS: Command Line T o configur e PortServer T S 8/16 t o function as a RADIUS cl ient, suppl y a set radius co mmand tha t sp ec ifi es the foll o win g: •r u n = o n • The IP addr e ss of the pri m ar y RADIUS server (on the pr i mary field).
Co nfiguring Secu r i ty F eatures 12-7 Is suin g User P ass word s Th is se ction di sc u sse s h ow t o i ssue us er p assword s. Rela t ed Inf ormation Se e the n ewpa ss and se t us er command s in t he Digi On e/PortServer TS Command R e f e r ence .
12-8 Conf iguring S SH V ersion 2 f or Se cure C ommunicat ion Co nfiguri ng SSH V ersio n 2 f or Secu re Co mmunica tio n Th is se ction di sc us se s ho w t o co nf i gur e a u ser to u se S SH v er s ion 2 encr yption .
Co nfiguring DNS 13-1 Chapt er 13 Confi guring DNS In This Ch apter This chapter disc usses h ow to c onfigure PortS e r ver T S 8/ 16 to use DN S. Top i cs di scussed inclu de the f oll o win g: • About t he Domai n Name Sy s tem . . . . . . . . . .
13-2 About the Domai n Name System Ab out the D omai n Nam e Syst em Th is s ec tion dis cu sse s key conce pts of the doma in name system . Purpos e of DNS The domai n name syst em maps doma in names to in forma tion associ ated with t hese names , such as IP a ddresse s.
Co nfiguring DNS 13-3 Co nfig uratio n Proce dures Procedure for Using a Name Server T o configure a DNS serve r , ente r the fol lowing command: set config do ma in= doma in myname= na me dns= ip -ad.
13-4 Conf iguratio n Proce dures.
Co nfiguring SNMP 14-1 Chapt er 14 Config uring SNM P In This Ch apter This cha pter describ e s h ow to confi gure t he Port Server TS 8/16 SNMP a gent. It discu s se s th e fo llowing top ics: • About SNMP and the Digi One/Port Server TS 2/4 Agent.
14-2 About SNMP and the PortS erver T S 8/16 Agent Abo ut SNM P an d the Po rtS erv er TS 8/16 Agent Thi s sec tion in troduces SNM P and ne twork mana gemen t in TC P/I P ne tw orks, an d i t de scri be s the PortServer TS 8/16 agent.
Co nfiguring SNMP 14-3 Co nfig uratio n Proce dure: W eb Inte rface 1. Acce s s the web inter face by entering th e PortServ er TS 8/16 IP address in a browser ’ s U R L win- dow . 2. Log in to the PortS erver T S 8/16 as root. The def ault pa sswor d i s dbp s, which sho uld be change d .
14-4 C onfigurat ion Procedur e: Command L ine.
Managi ng the OS and Con f igurat ion 16-1 Chapt er 16 Manag ing t he OS and Conf igura tion In This Ch apter This chapter provi des in formation on upda ting the opera ti n g s yst em ( O S) and managin g the confi guratio n. T opic s i nclude the following: • Upg radi ng the OS (Firm war e): W e b I nterfa ce .
16-2 Up grading t he OS (Fi rm w are): W e b Interface Upg rad ing the OS (F irmw are) : We b Inter fa ce Use this sec tion to upgrade the fi rmware using th e w eb inte rface. 1. Acce s s the web inter face by entering th e PortServ er TS 8/16 IP address in a browser ’ s U R L win- dow .
Managi ng the OS and Con f igurat ion 16-3 Upgr adin g t he O S (Fir mwar e): C om mand Lin e Th is s ec tion desc ribes how to up gr ade the Port Se rv er TS 8 /16 o per ati ng sys tem (O S) . The OS is sto red in flas h ROM a nd c a n be up graded wit hout chan ging the ROM or other ha rdware.
16-4 Conf iguring Port Server TS 8/16 from a R emo te Host Con figu ring Po rtSer ve r TS 8 /16 from a Remote Host Th is s ec tion dis c usse s re mot e co nf i gur at i on, t ha t is , c onfiguring PortServe r TS 8/ 16 from a remo te host and then downloading th e co nfigurat ion file to Por tServer TS 8/16 .
Managi ng the OS and Con f igurat ion 16-5 Copying a Configur a tion F ile fro m a Host to PortS er v er TS 8/16 This s ect ion describes how t o copy the configura tion file from a host to Po rtServer TS 8/16 after the file ha s b een edit ed on the host.
16-6 Rese tting th e Conf iguration to Defau lts Reset ting th e Co nfig uratio n to Defau lts Use this s ection to learn how to u se t he r eve rt command to res et the all or some of the config uration fac tor y o r t o the late st c on fig ura tio n st ore d i n NVRAM .
Confi guring Users 15-1 Chapt er 15 Conf igurin g Users In This Ch apter This cha pter discusses how to c onfigure u sers. It covers t he followin g t opics: • About C onfigurin g Use rs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15-2 Abou t Configur ing Use rs Ab out Conf igur ing Users Al thou gh it is n ot req uired , th e Por tSer ver TS 8/ 16 i s of ten con figu red to ac commo date th e requi rements o f part icula r users.
Confi guring Users 15-3 Co nfig urin g a User: W eb Inte rfac e Use this section t o conf igure us ers w ith from the web in terface. 1. Acce s s the web inter face by entering th e PortServ er TS 8/16 IP address in a browser ’ s U R L win- dow . 2.
15-4 Conf iguring a Use r: Command Line Example s Co nfig uring a U ser: Command Line Exa mples This sectio n consis ts of a set of ex amples that t ell you how to use the set user comman d t o configur e vario us use r attrib utes. Configur ing a User for a P assword In t his e xampl e, the se t use r comm and co nfig ures a new use r .
Confi gurati on E x amples 17-1 Chapt er 17 C onfiguration Exam ples This cha pter provides severa l simp le, but complete, configurati on exam ples. If you find that the exampl es imple m e nt e x ac.
17-2 Termina l Ser ver Confi guration Withou t R ealP ort T ermina l Serv er C onfigur ati on Wi thout Rea lPort In t his config uration, Port Server TS 8/1 6 functio ns as a te rm inal server , providi ng T elnet and Rlo gin access to hosts.
Confi gurati on E x amples 17-3 T ermina l Se rver Configur ation Us ing Aut ocon necti on This exa mple s hows a PortServe r TS 8/ 16 functionin g as a termin al server impl ementing auto conn ectio n. • Th e t ermi nal s a re conn ected to autocon nect por ts.
17-4 Te r mi nal Ser v e r Con figur ation Using RealP ort T ermina l Se rve r Confi gurati on Usi ng Real Port In t his example, the PortServ e r TS 8/16 i s simply prov iding port s for the LAN- based h ost using Real Port. T he c onfigura tion is exceedingl y simple beca use port attr ibutes are configur ed on the hos t its elf .
Confi gurati on E x amples 17-5 Dial-In PPP Connection Using RADIUS In this configuration, PortServer TS 8/ 16 uses a RADIU S server to provide a dial-in PPP conne ction. The at tribut es of the PPP connect ion , which can al so be s pecif ied wi th set user commands , ar e s p e cifi ed on the RADIUS se rve r .
17-6 Dia l-In PPP C onnection Us ing RADIUS.
Po rtS erv er TS 8 /16 Troubl e shooting 17-1 Chapt er 17 Por tSer ve r TS 8/16 T roubl eshooti ng In This Ch apter • Sym ptom: Port Server TS 8/16 Doe s Not Bo ot . . . . . . . . . . . . . . . . . . . . . . . . 17- 2 • S ym ptom : Cannot T elnet to t he PortServe r T S 8/16 .
17-2 Symptom: Port Server TS 8/1 6 Does Not Boot Sym pto m: P ort Ser ver T S 8/ 16 D oes N ot Bo ot Intr oducti on Use th e infor mation p rovided in th is dis cussion when PortSer ver T S 8/1 6 will not com plete the boot cy cle. Proc edur es Things to T ry Se e .
Po rtS erv er TS 8 /16 Troubl e shooting 17-3 Sym pto m: C ann ot T eln et to the Por tSer v er TS 8 /16 Intr oducti on Use th e info rmation provide d in this dis cussion to t r oubl e shoot n et wo rk pro b le ms .
17-4 Symptom: T r o uble Accessi ng a P ort Sy mptom : T rou ble Ac cess ing a Port Intr oducti on Use th is p rocedure if you are having trouble accessi ng a P ortSe rver TS 8/16 por t . The sp eci fic pr oblem might be that you c annot l ogon from a termina l or the print er or modem is not working pr ope r ly .
Po rtS erv er TS 8 /16 Troubl e shooting 17-5 Ru nning Port Serv er TS 8/16 POST Use thes e topic s t o ru n Por tServer TS 8/16 p ower on sel f test t o val idate t he PortS erver TS 8/16 hardwa re . Procedure : Running the POST Using t he LEDs 1. Power o n the Port S erver T S 8/16.
17-6 Verif ying TF TP on a UNIX System V erif ying TFTP o n a UNIX Sys tem Use th is pr oc edure to verify th at TFT P i s working correctly on your UNI X host .
Po rtS erv er TS 8 /16 Troubl e shooting 17-7 Fo r con tr oll ed T FTP ac ce ss, m ak e su re th at the fi le /etc/t ftp acces s.c t l ex ists and veri fy that it on ly allows access to pu blic di recto ries. If th is f ile is no t pres ent, tftp will a llow full acces s.
17-8 Verif ying the PortSe rver TS 8/1 6 IP Ad dress V e r ifying the P ort Server TS 8/ 16 IP A ddr ess Use th is procedure to check the IP addre ss on the PortS erver TS 8/ 16.
Po rtS erv er TS 8 /16 Troubl e shooting 17-9.
17-10 C he cki ng for Dupli cate IP Addre sses Ch ecki ng fo r Dupli cat e IP Addr esse s Use this proce dure to ensur e that th e Po rtSe rver TS 8/16 and a nother dev ice are n ot using t he s ame IP ad dr ess. Proc edur e 1. From anot her system on t he network, use the pi ng command to dete rmine i f the IP addr e ss is in use .
Po rtS erv er TS 8 /16 Troubl e shooting 17-11 Pin ging an I P Addr ess Use th is pro cedure to deterrm ine if a sys tem c a n be r eac hed f r om acr oss a net work. Proc edur e Atte m pt to ping th e PortSe rver TS 8/ 16 from a nother syste m on the network.
17-12 Ver ifyin g the Ne twork Cabling V erif yin g the Ne twork Cab lin g Use this procedure to trou bleshoot network cabling pr oblems. 1. Chec k the Etherne t cable. V eri fy the followi ng: • The Etherne t c a ble i s connect e d sec ure l y at both end s .
Po rtS erv er TS 8 /16 Troubl e shooting 17-13 V eri fyin g the R eal Port P roc ess Use one of the s e procedure s to verify the R ealPort process: AIX: Verifying the RealP or t Pr oce ss Use th is t opic to v erify th a t the RealPort da emon (process) is r unn ing o n t h e A I X s yst em.
17-14 Ver ifying the RealPor t P roces s Solaris : V erifying the RealPort Process Us e t his top ic f or i nfo rm at ion o n v erify in g that the R ea lPo rt p roc e ss i s r unning on a Sola r i s s ystem. 1. T ype the fol lowing command: ps -ef|grep ncxd 2.
Po rtS erv er TS 8 /16 Troubl e shooting 17-15 Ch ecki ng and Cha ngin g Port Confi gura tion Use t his t opic to e nsure that PortServe r TS 8/16 seri al port confi guration is correct . Y ou c a n displ ay and cha nge p ort configu ra t ion from eithe r the comman d line or th e w eb in terface .
17-16 Dig i Contact In format ion Digi Cont act Inform ation Digi Int ernationa l 1 1001 Br en Road East Minnet onka, MN 55343 U.S.A Cus tomer Ser vice and Suppor t W orld W ide W eb: htt p://sup port. digi.c om ema il suppo rt@dig i.com T elep hone ( U.
An important point after buying a device Digi TS8 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Digi TS8 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Digi TS8 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Digi TS8 you will learn all the available features of the product, as well as information on its operation. The information that you get Digi TS8 will certainly help you make a decision on the purchase.
If you already are a holder of Digi TS8, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Digi TS8.
However, one of the most important roles played by the user manual is to help in solving problems with Digi TS8. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Digi TS8 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
