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Text File  |  1990-10-06  |  16KB  |  387 lines
  1. 06601030305800
  2. F0000000
  3. 9[...................................................]001
  4. êThePE1CHLversionofNETbyKA9Q
  5. Ç
  6. byR.E.Janssen,PE1CHL.      lastupdate:27-May-1988.
  7.  
  8. ThisdocumentdescribessomechangesIhavemadetotheNET
  9. program(byKA9Q)afterportingtheprogramtotheAtariST.
  10. ThesefeaturesarenowalsoavailableinaPCversion.
  11. Currentprogramversionis871225.12.PE1CHL
  12.  
  13.  
  14. êAX.25callsignhandlingÇ
  16. The'mycall'variableandcommandhavebeenreplacedbyamore
  17. powerfulsetofcommands,thatallowmorecomplexax.25useof
  18. thepackage.ThecallsigntouseinIPandNET/ROMisnow
  19. specifiedasanextraparametertotheattachcommand.
  20.  
  21. Thischangeallowsadifferentcallsign-ssidtobeusedon
  22. differentbands,arequirementinsomecountries.Alsoitisthe
  23. basisofsomecross-banddigipeatingfeatures.Aproblemoccurs
  24. whenthesamestationcanbecontactedon2bands,andthe
  25. routingtablesineachstationindicateadifferentbandtobe
  26. used.Theotherstationincorrectlyassumesthesamecallsignis
  27. validonbothbands.ARPcanbefixedtoincludetheinterfacein
  28. thetable,andkeepingseparatecallsignsforeachIPaddress-
  29. interfacepair.Thishasnotyetbeenimplemented.
  30.  
  31. Thedigipeaterfunctionalityandcommandhavebeenenhanced.It
  32. isnowpossibletoswitchdigipeatingonandoffindependently
  33. foreachinterface,andasanextraoptionitisnowpossibleto
  34. haveadigipeatergatewaybetween2ormorebands.Tousethis
  35. feature,setadifferentcallsign-ssidoneachband(inthe
  36. attachcommand),anduse"ax25digipeat<interface>gate"
  37. commandsforeachinterfaceparticipatinginthegateway.
  38. Packetsarrivingonaninterface,andrequiringtobedigipeated
  39. bythecallofanotherinterface,willbesentoutonthe
  40. digipeatinterfacewiththedigicallreplacedbythecallofthe
  41. interfacewherethepacketarrived.(aknowntricktoimplement
  42. amulti-banddigipeatergateway).
  43.  
  44. Example:Ifthecallsignon2misPE1CHL-2,andon70itis
  45. PE1CHL-7,someoneqrvon2mcanconnectastationon70by
  46. connecting"viaPE1CHL-7".Thisresultsinatransmissionon70
  47. cmspecifyingPE1CHL-2asadigipeater.Whenthedestination
  48. stationreplies,thepacketwillbedigipeatedon2mwith
  49. digipeatercallsignPE1CHL-7.
  50.  
  51.  
  52. êMHEARDÇ
  53.  
  54. Thedetmiliar"MHEARD"commandhasbeenadded.Itisnowonly
  55. implementedforax.25,butitcouldbeusedonanynetwork.
  56. Itispossibletosetthenumberofdifferentaddressesto
  57. rememberusing"mheard<interface>number".Thedefaultis0,
  58. Çi.e.norecordingofheardstations.
  59. Usethecommand"mheard14423"tokeepthelast23heard
  60. stationsinthelist(i.e.onescreenful).
  61. Thecommand"mheard144"willthenlisttheheardstations,in
  62. thisformat:
  63.  
  64. May2521:25:34PA0GRI-1toPE1CHL-2
  65. May2521:25:20PI8CIKtoMAILviaPI8HOB>(PI8VRZ)
  66.  
  67. Inthesecondline,astationwasheardusingadigipeater.The
  68. partofthedigipeaterlistinbracketsindicatesthedigipeaters
  69. thatdidnotyetrelaythepacketwhenitwaslastheard.Soin
  70. theexample,PI8VRZwasnothearddigipeatingthepacket.
  71. The">"signindicatesthattheinputofthedigipeaterwas
  72. heard,inthiscasethetransmissionbyPI8HOBtoPI8VRZ.
  73. Ifthe2ndlinereads:
  74.  
  75. May2521:25:20PI8CIKtoMAILvia>PI8HOB>(PI8VRZ)
  76.  
  77. thismeansthatPI8CIKwasheardDIRECTandviaPI8HOB,butnot
  78. viaPI8VRZ.
  79. Themostcommonuseofthisfeatureistodetermineifastation
  80. canbehearddirectand/orviaadigipeater,asin:
  81.  
  82. May2521:38:10PI8RNI-7toPI8ESA-7via>PI8HOB
  83.  
  84. Thisindicatesthestationcanbeheardbothdirectandviathe
  85. digipeater.
  86.  
  87.  
  88. êSOURCEÇ
  89.  
  90. The"source"commandhasbeenaddedtoreadacommandsfile,like
  91. theautoexec.netfile.Thesyntaxis"source<filename>"This
  92. commandcanalsoappearwithintheautoexec.netfileitself,
  93. makingitpossibletosubdividethisfileinsomelogicalparts
  94. (e.g.setupandroutingcommands).
  95. Thisallowsyoutostructuretheautoexec.netfileintodifferent
  96. parts,likeattachofinterfaces,parametersetting,routing
  97. commandsetc.Now,itispossibletosharesomeofthesefiles
  98. betweendifferentsetupstobeusedbyNET.
  99.  
  100.  
  101. êROUTEÇ
  102.  
  103. The"route"commandhastbeenextended:whenyouenter
  104. "routeadd<host>via<ipgate>",theexistingrouteto<ipgate>
  105. isstoredintheroutingtable.Thismeansthatifyouchange
  106. therouteto<ipgate>inyourautoexecfile,alltheroutesthat
  107. areviathisgatewaywillautomaticallybeupdatedwhenyoustart
  108. NET.(especiallyhandywhenyouchangetheinterfaceatwhicha
  109. gatewaycanbereached,andstillmoreimportantwhenyouwantto
  110. rundifferentconfigurationsofyoulocalmachine(s)usinga
  111. cleverlybuiltautoexec.netusingthe"source"commandtoread
  112. Çroutingtablesfromseparatefiles.)
  113.  
  114. Example:
  115.  
  116. routeaddpa0gri144
  117.      routeaddbbs.pa0griviapa0gri
  118.  
  119. Someveryminorchangesinthedoaddanddodroproutingfunctions
  120. nowmakeitpossibletousesymbolicnamesinroutecommands,
  121. evenwhenspecifyingthenumberofbits:
  122.  
  123. Example:
  124.  
  125. routeaddBelgium/16viapa0gri
  126.  
  127.  
  128. êTRACEÇ
  129.  
  130. Tracingcannowberoutedtoafile.Use"traceto<pathname>"to
  131. enabletracingtoafile,"tracetocon"toswitchbackto
  132. consoletracing.Alwaysuseanabsolutepathnameforthefile
  133. (e.g.:tracetoc:\net\tracefile),asitissometimesclosedand
  134. re-openedusingthespecifiedname.Thiscouldfailifyou
  135. changetheworkingdirectory.
  136. Thedateandtime-of-dayhasbeenaddedtothefirstlineofeach
  137. traceoutput,whichisusefulwhenwritingtoafile.
  138.  
  139.  
  140. êFLOWÇ
  141.  
  142. The"flow"commandhasbeenimplemented,andworkslikeinthe
  143. TNCcode.Incominginputisnotprintedwhentheuseristyping
  144. inputonaninteractiveconnection,greatlyenhancingthe
  145. readabilityofkeyboard-to-keyboardcommunications.Theinput
  146. willbeprintedwhenaRETURNistyped,orwheneveryoubackspace
  147. tothebeginningoftheline."flowon"enablesthisfeature.
  148.  
  149.  
  150. êInputLineEditingÇ
  151.  
  152. Inputlineeditinghasbeenenhanced,andahistoryofcommand
  153. lines(ofmorethan1character)iskept.Thearrowkeyscanbe
  154. usedtomovethroughthishistory,andtoeditinputlines.An
  155. "insert"modeisrecognized(insertkey).
  156. Keyfunctionsare:
  157.  
  158. leftarrownondestructivebackspacethroughthecurrent
  159. line.allowscorrectionsinyourinput.
  160.  
  161. rightarrowtomovetowardstheendoftheline.whenit
  162. isusedattheendoftheinput,characters
  163. fromthepreviousinputlinewillbe
  164. inserted.
  165.  
  166. Ç     uparrowgetthepreviouslineintheinputline
  167. historyandshowit.putcursoratendof
  168. thisinputline.
  169.  
  170. downarrowgetnextlinefrominputlinehistory.
  171.  
  172. deletewhenthecursorisoveracharacterinthe
  173. currentinputline,deletesthatcharacter.
  174.  
  175. inserttogglesbetweenovertypeandinsertmode.in
  176. insertmode,anythingtypedwhenthecursor
  177. isnotattheendoftheinputlinewillbe
  178. insertedatthecursorposition.
  179.  
  180. ^H,backspdeletethecharacterleftfromthecursor
  181. position.
  182.  
  183.      ^Rredisplaystheinputlineandputsthecursor
  184. attheend.
  185.  
  186. ^U,^Xcancelsthecurrentinputline.
  187.  
  188. RETURNacceptsthecurrentinputline.notethatthe
  189. cursormaybeanywhereintheline,the
  190. completelinewillalwaysbeaccepted.
  191.  
  192.  
  193. êAX.25portsÇ
  194.  
  195. The"ax25port"commandhasbeenaddedtoallowax.25serversto
  196. runintheNETprogram,justlikeTCPservers.Itispossibleto
  197. defineacallsign(andoptionallyaninterface)thatcanbe
  198. connectedto,andaportnumberofacorrespondingax.25server.
  199. Thetype"di