Introduction to the EIU | Cabletron Systems DMS-100 specification

Chapter 1: Introduction to the EIU 27

The Ethernet interface takes advantage of commercially supported peripherals and functions. These interface devices are selected and qualiﬁed for applications in the DMS-100 switch, with particular attention to hardware compliance, maintainability, and the protocol set provided. The following devices are commercially available:

•LAN repeaters to locally extend the range of the LAN

•LAN gateways to extend the range of the LAN to a metropolitan-area network (MAN) or a wide-area network (WAN)

•asynchronous terminals and printers through communications servers at up to 19.2 Kbit/s

•synchronous data links through communications servers at up to 56 Kbit/s

•IBM mainframe access through channel interconnect units

•workstations (for example, Sun, HP, IBM), Macintoshs, and PCs

•servers

The EIU is a simplex engine. A simplex engine is sufﬁcient for the EIU because the facilities that are connected through the EIU are not critical to the operation of the switch (that is, for call processing). Sets of EIUs may be used with one or more EIUs available as a warm standby spare. The mapping of the EIU architecture to the OSI reference model is shown in ﬁgure 3 on page 28.

For more information on EIU sparing, refer to “EIU sparing and redundancy” on page 41.

DMS-100 Family EIU User Guide TELECOM12

Image 27

Cabletron Systems DMS-100 manual Introduction to the EIU

Contents

Ethernet Interface Unit Page Ethernet Interface Unit Standard 03.01 August March Publication historyAugust May Vi Publication history Standard 03.01 August Contents Chapter EIU datafill EIU messaging protocols Volume listing EIU maintenance 103Appendix C Using FTP 117 Appendix D Using telnet 141 Appendix H ASU background information 177 Appendix I Obtaining a MAC address 185List of terms 189 List of figures Xii Xiii List of tables Xiv References in this document When to use this documentHow to check the version and issue of this document About this document Xvi Internet request for comment documents What precautionary messages mean Possible loss of serviceXvii Input prompt How commands, parameters, and responses are representedRisk of personal injury Risk of electrocution Commands and ﬁxed parameters VariablesResponses Standard 03.01 August Possible loss of network security Introduction to the EIU Overview of the EIU System architecture SOS Unix EIU DMS-bus interface and expansionSLM IOC Data communications interface architecture Inter-message switch links required with LPP LAN Ethernet interface data ﬂow Introduction to the EIU Hardware description AUI PBUTP PB Rear paddle boards Slot EIUFront cards SSLPP, with 2-slot EIU locations Top view of Sslpp shelf DMS SuperNode switch LPP with an EIU DMS SuperNode Flis with an EIU Ethernet interface card NT9X84 MAU Ethernet physical interfacesAttachment unit interface-NT9X85AA LPP NTEX22 CPU/IPF Capabilities, limitations, and restrictions Unshielded twisted-pair NT9X85BAGrounding requirements EIU hardware capabilities and limitations Introduction to the EIU System-wide limitations Limitations associated with maintenance Routing information protocol Limitations associated with protocols NTXF05AA Feature packagingDMS-Core feature packages Package Title Description Internet Protocol and Internet Control Message Protocol EIU provisioning requirements DMS-bus inter-MS provisioningSheet 2 DMS-bus external MS provisioning Example of DMS-bus intermessage switch conﬁguration EIU provisioning EIU sparing and redundancyNT9X17AA NT9X23BA Service orders User interface characteristicsBilling Log reports Logs, alarms, and OMsAlarms Possible loss of information Introduction to the EIU Standard 03.01 August EIU messaging protocols Software architecture Shows the structure of the DMS-100 switch EIU protocol stack FTP Telnet Snmp Bootp RIP TCP UDP Icmp ARPFTS Ethernet TCP TCP/UDP FTSDMS-bus Ethernet LAN Workstation Supported protocols Boot protocol File transfer protocol Wsls Telnet Internet Protocol Internet control message protocol Address resolution protocolTransmission control protocol User datagram protocol Addressing MAC addressesInternet addresses EIU messaging protocols What is the SuperNode network topology? How to get IP addresses for SuperNode Routing EIU messaging protocols APX LMS APUX10 LIU7APUX20 LIU7 Routing tables TCP connection management Protocol engineeringIP Screening IP throttling EIU APU UDP connection limits by SuperNode subsystemSubsystem Maximum UDP connections Protocol buffer engineering FTP session control Receive 1518 Icbm common pool 1024 128 Transmit TCP own IP throttling for LPP IP throttling Application Sheet 2 IP throttling for Sslpp EIU dataﬁll Table Liuinv Interdependency and auto-conﬁguration Link interface unit type Dataﬁll sequence and implicationsTable Liuinv dataﬁll Link interface unit name Location Message switch cardMessage switch port Link interface unit number Processor product engineering code Link interface slotSoftware load name Processor information Sheet 4 EIU MAC addresses Table Ipnetwrk IP addressesSample dataﬁll for table Liuinv Ipnetwrk Dataﬁll for table Ipnetwrk Ethernet interface unit range. Enter Computing module Internet ProtocolInternet Protocol network subnet range Ethernet interface unit. Enter EIU Addr Parm ScrnflagEiuinterface Dfltgtwyip Packlet Sample dataﬁll for table IpnetwrkGtwyipaddr Iomnum Supplementary information Table Iprouter Dataﬁll Sample dataﬁll for table Iprouter Ethernet address resolution protocolEthernet proxy address resolution Table Iphost Node index IndexIndex Nodeidx Node Node name Connections File processor indexInternet porotocol address SuperNode Transmission control Protocol Support Operating Switch Application processor Unix indexInternet protocol host identification for Computing module index Cmindex Lanaddr EiuindexEthernet interface unit index Internet protocol address for node Second IP address for Eliu host Eliuindex Apux Nodename = MS Msindex Message switch indexTable Ipthron Sample dataﬁll for table Iphost EIU datafill Local message switch node Transmit capacityReceive capacity Application processor unit index OptionSuperNode node Synchronized and matched node index Field Subfield or Entry Explanation and action Refinement Table IpprotoSample dataﬁll for table Ipthron Field descriptions for table Ipthron for EIU datafill Sample dataﬁll for table Ipproto IprsmtmoArprftmo Alphanumeric Table EnsitesTable Entypes Sample dataﬁll for table Ensites External node type Table ExndinvSample dataﬁll for table Entypes Entype Pmloads External node name External node keyExternal node peripheral module type External node number External node load file name DMS boot protocolInternet Protocol address Machine address External node information Floor numberRow Bay position Critical alarm scan point External node no-link alarmExternal node one-link alarm External node alarm scan points Sheet 5 Major alarm scan pointMinor alarm scan point Sample dataﬁll for table Exndinv 103 EIU maintenance EIU MAP level EIU diagnosticsIn-service state Out-of-service diagnostics In-service leaky bucket audit In-service diagnostics EIU overload control EIU sparing requirements EIU Eliu Automated system maintenance Manual system maintenance OMs relevant to EIU OA&M Logs relevant to EIU OA&M 111 Appendix a EIU installation checklist Datafill SoftwareNTXF05AA EIU Consult the DMS-100 PM Software Release Document 113 Appendix B EIU troubleshooting Troubleshooting checklist EIU troubleshooting checklist Problem Probable causeTools Sheet 2 Appendix B EIU troubleshooting Standard 03.01 August 117 Appendix C Using FTP What is FTP? Automatic Record Length DetectionWhere DMS File name conventions Volume listingFTP on the DMS-100 switch FTP cookbook FTP commands on the DMS-100 switch Command Description DMS FTP client commands Obtaining the IP address of the SuperNode host Ftp ‘nnn.nnn.nnn.nnn ’ Procedure 1 Establishing an FTP session Step ActionWhere Userid Is a valid userID for that host Tutorial basic FTP operationsPage Ftp lcd pathname Ftp dirFtp cd pathname Ftp cd ‘/team/bin’ Where Pathname Is a valid directory path Example Tutorial moving ﬁlesIf the file Ftp lcd ‘/S00DTEMP’ If the filenameFtp lrecl Ftp get ‘ﬁle1.dmo ’ Ftp get ‘ﬁle1.txt54 ’Ftp put ‘RECORDFILE’ ‘jan18.log’ Ftp cd ‘ /team/bin’ Ftp get ‘ﬁle1.bin’ Procedure 7 Showing the status of server sessions Tutorial advanced operationsFtp get ‘ﬁle1.bin1020’ Procedure 9 Remove a server userID and unreserve a session Ftp svreserveFtpadduserinfo ‘johnh’ ‘johnh’ ‘/S00DTEMP’ y Where Userid Is the userID Example Procedure 10 Adding a userID with limited set of commandsFtpdeluserinfo ‘johnh’ Procedure 11 Adding a userID with a new command timeout Ftp commandmask mkdir set Ftpcommandtimeout FtpcommandmaskFTP operations reference WS lcd /directory WS ftp IPaddressWS pwd WS cd /pathname WS put filename Newfilename WS asciiWS get filename WS site Lrecl CM FTP ‘IPaddress’ WSput filename.image FilenameWS put filename.sosimage Filenameunipl CM Ftpopen ‘IPaddress’ CM ls CM cd ‘pathname’CM lcd ‘/PATHNAME’ CM lcd CM get ‘filename.bin1020’ CM put filenameCM binary CM get ‘filename.load68k’ 141 Appendix D Using telnet Telnet access to a switch Table Ipnetwrk Appendix D Using telnet Standard 03.01 August What is internetworking? Appendix E Understanding IP and IP addressing145 Routing and routed protocols What is routing? Mapping the network Planning overview Simple network map Choosing IP addresses Detailed network diagram Class Range Description IP address structure Class Range Description IP addressing class a Subnet mask class a Class a subnet masks IP addressing class B Subnet mask class B Class B subnet masks IP addressing class C IP addressing class D Address masks Address mask example Network node Network numbering example Simple network numbering Firewalls and network security Protocols related to Internet Protocol Variable-width subnetworks Internet control message protocol Inverse ARP Bootstrap ProtocolReverse ARP Proxy ARP Open shortest path ﬁrst Page 165 Appendix F EIU supported conﬁgurations Host conﬁguration Router conﬁgurations Host and router conﬁguration Interface conﬁguration part Subnet ClassA .networkidB .subnetX .hostZ 47.105.150.3 171 Appendix G IP network number requestsOverview Considerations for obtaining IP addresses NIC IP network number request form NIC IP address request formYour Application Must be Typed Sheet 2 Sheet 3 Sheet 4 Appendix G IP network number requests Standard 03.01 August Ethernet interface unit Application-speciﬁc units and supported servicesAppendix H ASU background information Link interface unit 25/X.75 link interface unit Frame relay interface unit Network interface unit Voice processor unit and AdasASUs and Cellular digital packet data Platforms External routersLink peripheral processor ASU LPP architecture On page 183 provides an overview of the Sslpp conﬁguration Single-shelf link peripheral processor Sslpp architecture SuperNode SE link interface shelf Shelf SNSE-LIS architecture Appendix I Obtaining a MAC address MAC address format185 EIU MAC address format How to get the MAC address for an EIU Appendix I Obtaining a MAC address Standard 03.01 August 189 List of terms List of terms LIS MTP List of terms UDP Page Ethernet Interface Unit