EIU maintenance, 103 | Cabletron Systems DMS-100 specs

103

Chapter 4: EIU maintenance

This chapter provides information on Ethernet interface unit (EIU) maintenance.

CAUTION

Possible loss of network security

Using the Ethernet interface unit (EIU) and a telnet or file transfer protocol (FTP) session to establish a maintenance and administration position (MAP) session can introduce a security risk to both the DMS node and its subtending network.

When establishing and operating a MAP session in this way, there is limited security for clear text (user identification and passwords) and for Internet Protocol (IP) addresses for screening. This limited security makes an open local area network (LAN) vulnerable to entry by unauthorized persons.

Nortel recommends that the operating company, as a minimal precaution, integrate intermediate security servers with encryption to avoid unauthorized access to the switch. For alternative approaches, contact your Nortel representative to discuss state-of-the-art secure OA&M data communications equipment products.

By using the EIU, telnet, and FTP software, the operating company assumes any and all risks associated with the implementation and use of this hardware and software.

EIU maintenance is limited to hardware diagnostics for the Ethernet interface card (EIC) and the Ethernet interface paddle board (EIP). The maintenance procedures do not include detection or isolation of hardware faults for LAN equipment beyond the EIP, such as a media access unit (MAU) or hub. However, the DMS-100 switch can detect some local area network (LAN) faults, which it reports using EIU in-service trouble alarms and logs.

DMS-100 Family EIU User Guide August 1999

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Cabletron Systems DMS-100 manual EIU maintenance, 103

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 I Obtaining a MAC address 185 Appendix H ASU background information 177List 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 Possible loss of service What precautionary messages meanXvii Input prompt How commands, parameters, and responses are representedRisk of personal injury Risk of electrocution Variables Commands and ﬁxed parametersResponses 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 AUI PB Hardware descriptionUTP PB Slot EIU Rear paddle boardsFront 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 Unshielded twisted-pair NT9X85BA Capabilities, limitations, and restrictionsGrounding 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 DMS-bus inter-MS provisioning EIU provisioning requirementsSheet 2 DMS-bus external MS provisioning Example of DMS-bus intermessage switch conﬁguration EIU sparing and redundancy EIU provisioningNT9X17AA NT9X23BA User interface characteristics Service ordersBilling 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 TCP UDP Icmp ARP FTP Telnet Snmp Bootp RIPFTS 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 MAC addresses AddressingInternet addresses EIU messaging protocols What is the SuperNode network topology? How to get IP addresses for SuperNode Routing EIU messaging protocols APUX10 LIU7 APX LMSAPUX20 LIU7 Routing tables TCP connection management Protocol engineeringIP Screening IP throttling UDP connection limits by SuperNode subsystem EIU APUSubsystem 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 IP addresses Table IpnetwrkSample 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 Application processor Unix index Support Operating SwitchInternet 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 Transmit capacity Local message switch nodeReceive 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 Iprsmtmo Sample dataﬁll for table IpprotoArprftmo 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 EIU troubleshooting checklist Problem Probable cause Troubleshooting checklistTools Sheet 2 Appendix B EIU troubleshooting Standard 03.01 August 117 Appendix C Using FTP Automatic Record Length Detection What is FTP?Where 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’ Tutorial moving ﬁles Where Pathname Is a valid directory path ExampleIf the file If the filename Ftp lcd ‘/S00DTEMP’Ftp lrecl Ftp get ‘ﬁle1.txt54 ’ Ftp get ‘ﬁle1.dmo ’Ftp put ‘RECORDFILE’ ‘jan18.log’ Ftp cd ‘ /team/bin’ Ftp get ‘ﬁle1.bin’ Tutorial advanced operations Procedure 7 Showing the status of server sessionsFtp get ‘ﬁle1.bin1020’ Ftp svreserve Procedure 9 Remove a server userID and unreserve a sessionFtpadduserinfo ‘johnh’ ‘johnh’ ‘/S00DTEMP’ y Procedure 10 Adding a userID with limited set of commands Where Userid Is the userID ExampleFtpdeluserinfo ‘johnh’ Procedure 11 Adding a userID with a new command timeout Ftp commandmask mkdir set Ftpcommandmask FtpcommandtimeoutFTP 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 Appendix E Understanding IP and IP addressing What is internetworking?145 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 address request form NIC IP network number 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 Voice processor unit and Adas Network interface unitASUs and Cellular digital packet data External routers PlatformsLink 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 MAC address format Appendix I Obtaining a MAC address185 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