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297-8991-910 DMS-100 Family Ethernet Interface Unit User Guide TELECOM12 Standard 03.01 August 1999.
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DMS-100 Family Ethernet Interface Unit User Guide Document number: 297-8991-910 Product release: TELECOM12 Document release: Standard 03.01 Date: August 1999 © 1998 Northern Telecom All rights reserv.
iv 297-8991-910 Standard 03.01 August 1999.
DMS-100 Family EIU User Guide TELECOM12 v Publication history August 1999 TELECOM12 Standard 03.01 Updated Chapter 2 and Appendix C in response to Feature 59010371, FTP Extended Functionality . May 1999 TELECOM09 Standard 02.02 Implemented design comments.
vi Publication history 297-8991-910 Standard 03.01 August 1999.
DMS-100 Family EIU User Guide TELECOM12 vii Contents About this document xv When to use this document xv How to check the version and issue of this document xv References in this document xv Internet .
viii Contents 297-8991-910 Standard 03.01 August 1999 Operational measurements 43 Chapter 2: EIU messaging protocols 45 Software architecture 46 Supported protocols 49 Addressing 54 Protocol engineeri.
Contents ix DMS-100 Family EIU User Guide TELECOM12 Datafill 95 Sample datafill for table ENTYPES 96 Table EXNDINV 96 Datafill sequence and implications 97 Datafill 98 Sample datafill for table EXNDIN.
x Contents 297-8991-910 Standard 03.01 August 1999 IP addresses 150 Address masks 157 Network numbering example 158 Firewalls and network security 159 Variable-width subnetworks 160 Protocols related .
DMS-100 Family EIU User Guide TELECOM12 xi List of figures Figure 1 Overall architecture of enhanced SuperNode system 24 Figure 2 Ethernet interface data flow 26 Figure 3 EIU mapping to lower levels o.
xii 297-8991-910 Standard 03.01 August 1999 Figure 34 Subnet mask: class C 156 Figure 35 IP addressing: class D 157 Figure 36 IP addressing: class E 157 Figure 37 Address mask example 158 Figure 38 Si.
DMS-100 Family EIU User Guide TELECOM12 xiii List of tables Table 1 DMS-Core feature packages 38 Table 2 DMS-bus port engineering requirements for peripherals 41 Table 3 IP routing table 60 Table 4 IP.
xiv 297-8991-910 Standard 03.01 August 1999 Table 34 FTP operations reference: workstation to DMS 136 Table 35 FTP operations reference: DMS to workstation 138 Table 36 IP address classes 150 Table 37.
DMS-100 Family EIU User Guide TELECOM12 xv About this document This document is a source of information for the Ethernet interface unit (EIU) product. The document provides the following information: .
xvi 297-8991-910 Standard 03.01 August 1999 • Commands Refer ence Manual , 297-1001-822 • DMS SuperNode DataSP AN Frame Relay Service Maintenance Guide , 297-51 1 1-501 • DMS SuperNode SCP II Ma.
xvii DMS-100 Family EIU User Guide TELECOM12 • Clarifications and Extensions for the Bootstrap Pr otocol , RFC1542 • File T ransfer Pr otocol , RFC959 • Internet Contr ol Message Pr otocol , RC.
xviii 297-8991-910 Standard 03.01 August 1999 CAUTION Possibility of equipment damage CAUTION Possibility of static electricity damage DANGER Possibility of personal injury DANGER Possibility of elect.
xix DMS-100 Family EIU User Guide TELECOM12 Commands and fixed parameters Commands and fixed parameters that are entered at a MAP terminal are shown in uppercase letters: >BSY CTRL ctrl_no V ariables V ariables are shown in lowercase letters: >BSY CTRL ctrl_no The letters or numbers that the variable represents must be entered.
xx 297-8991-910 Standard 03.01 August 1999.
DMS-100 Family EIU User Guide TELECOM12 21 Chapter 1: Introduction to the EIU This chapter describes the Ethernet interface unit (EIU). T opics in the chapter include the following: • overview of th.
22 Chapter 1: Introduction to the EIU 297-8991-910 Standard 03.01 August 1999 • EIU provisioning requirements • billing • service orders • user interface characteristics • logs, alarms, and .
Chapter 1: Introduction to the EIU 23 DMS-100 Family EIU User Guide TELECOM12 • Cellular digital packet data (CDPD) . The CDPD service transports datagrams between the mobile and private/public data networks.
24 Chapter 1: Introduction to the EIU 297-8991-910 Standard 03.01 August 1999 Figure 1 Overall architecture of enhanced SuperNode system DMS-bus interface and expansion T wo methods are used to interface processing engines to the DMS-bus. Direct links between the processors and the DMS-bus is the primary method for establishing this connection.
Chapter 1: Introduction to the EIU 25 DMS-100 Family EIU User Guide TELECOM12 second-level message switches are referred to as local message switches (LMS). The frame transport bus (F-bus) is a 32-Mbit/s messaging bus that resembles the MS in its protocol.
26 Chapter 1: Introduction to the EIU 297-8991-910 Standard 03.01 August 1999 Figure 2 Ethernet interface data flow Given the cost of the SuperNode cabinet infrastructure, providing the standard hard connection interfaces in this mechanical environment is not possible.
Chapter 1: Introduction to the EIU 27 DMS-100 Family EIU User Guide TELECOM12 The Ethernet interface takes advantage of commercially supported peripherals and functions.
28 Chapter 1: Introduction to the EIU 297-8991-910 Standard 03.01 August 1999 Figure 3 EIU mapping to lower levels of the OSI communications model Hardware description The EIU is based on hardware originally developed for the signaling transfer point (STP).
Chapter 1: Introduction to the EIU 29 DMS-100 Family EIU User Guide TELECOM12 RAM. The NTEX22CA provides 32 Mbyte of RAM and higher throughput performance.
30 Chapter 1: Introduction to the EIU 297-8991-910 Standard 03.01 August 1999 Figure 5 SSLPP , with 2-slot EIU locations Figure 6 shows the placement of an LPP provisioned with an EIU on a DMS SuperNode switch. Figure 6 DMS SuperNode switch LPP with an EIU Figure 7 shows EIU links to the MS on the fiberized link interface shelf (FLIS).
Chapter 1: Introduction to the EIU 31 DMS-100 Family EIU User Guide TELECOM12 Figure 7 DMS SuperNode FLIS with an EIU Ethernet interface card (NT9X84) The EIC is based on commercial Ethernet interface chips. It supports one Ethernet communications link and processes all of the level 1 and part of the level 2 protocols for the Ethernet in hardware.
32 Chapter 1: Introduction to the EIU 297-8991-910 Standard 03.01 August 1999 Figure 8 Ethernet interface architecture Ethernet physical interfaces The physical interface to the Ethernet system is defined by the paddle board located behind the EIC. The interfaces available are described in the following sections.
Chapter 1: Introduction to the EIU 33 DMS-100 Family EIU User Guide TELECOM12 For a 10BaseT twisted-pair LAN, the AUI connection is usually on one side with an RJ-1 1 telephone jack on the other . T ypically , standard office four -wire circuits are used to connect the MAU to the hub.
34 Chapter 1: Introduction to the EIU 297-8991-910 Standard 03.01 August 1999 interface shelf (SNSE LIS). Nortel has tested the EIU for installation, operation, administration, and maintenance on each of these platforms.
Chapter 1: Introduction to the EIU 35 DMS-100 Family EIU User Guide TELECOM12 — programs were not aware that a period of time had elapsed — The router stopped routing packets.
36 Chapter 1: Introduction to the EIU 297-8991-910 Standard 03.01 August 1999 System-wide limitations The EIU is collocated in an LPP shelf with other ASUs such as the link interface unit (LIU7) and frame relay interface unit (FRIU). The exact configuration of ASU-type units depends on the applications.
Chapter 1: Introduction to the EIU 37 DMS-100 Family EIU User Guide TELECOM12 The Ethernet address in the LIUINV table has the format of the Nortel SuperNode family range of addresses: X 000075F xxxxx , where X is hexadecimal notation and x is a variable.
38 Chapter 1: Introduction to the EIU 297-8991-910 Standard 03.01 August 1999 TCP Each TCP connection has its own state machine. For the number of allowed connections, refer to T able 5, TCP connection limits by Supernode subsystem in this document.
Chapter 1: Introduction to the EIU 39 DMS-100 Family EIU User Guide TELECOM12 Software for peripheral processors is controlled through package lists that define the entities for a specific load. The EIU may have several loads depending upon the applications resident on it.
40 Chapter 1: Introduction to the EIU 297-8991-910 Standard 03.01 August 1999 is in 21R), the cards in the MS at the other end of the link must also be provisioned in slot 21.
Chapter 1: Introduction to the EIU 41 DMS-100 Family EIU User Guide TELECOM12 The information in table 2 defines the port requirements for EIU installation. EIU provisioning Provisioning of EIUs is application dependent. The number of EIUs required and their configuration is determined by a combination of product and software criteria.
42 Chapter 1: Introduction to the EIU 297-8991-910 Standard 03.01 August 1999 — the EIU state • During normal operation, the default EIU routes all messages to the CM.
Chapter 1: Introduction to the EIU 43 DMS-100 Family EIU User Guide TELECOM12 Logs, alarms, and OMs In general, the subsystems that generate logs, alarms, and OMs do not have significant changes apart from the standard DMS-100 reporting sub-systems. Log reports All logs from the EIU conform to the DMS OAM infrastructure.
44 Chapter 1: Introduction to the EIU 297-8991-910 Standard 03.01 August 1999.
DMS-100 Family EIU User Guide TELECOM12 45 Chapter 2: EIU messaging protocols This chapter describes the Ethernet interface unit (EIU) software architecture: • SuperNode software architecture • pr.
46 Chapter 2: EIU messaging protocols 297-8991-910 Standard 03.01 August 1999 Software architecture The protocol stack supported on the DMS-core includes the following: • bootstrap protocol (BOOTP) .
Chapter 2: EIU messaging protocols 47 DMS-100 Family EIU User Guide TELECOM12 Figure 1 1 SuperNode TCP/ IP protocol stack The message flow between SuperNode nodes, and between SuperNode nodes and external Ethernet LAN, is shown in figure 12 in this section.
48 Chapter 2: EIU messaging protocols 297-8991-910 Standard 03.01 August 1999 Figure 12 SuperNode TCP/IP message flow Applications TCP/UDP IP FTS DMS-core Applications TCP/UDP IP FTS File processor D.
Chapter 2: EIU messaging protocols 49 DMS-100 Family EIU User Guide TELECOM12 Supported protocols The EIU software is designed such that the EIU can be configured to run as one of the following: • .
50 Chapter 2: EIU messaging protocols 297-8991-910 Standard 03.01 August 1999 has an Ethernet card). Such nodes have to be on the same subnet as the CM to be configured through the BOOTP server on the CM, except if the maximum hops count accepted by the server is increased.
Chapter 2: EIU messaging protocols 51 DMS-100 Family EIU User Guide TELECOM12 detects and sets the record length. T o manually set the record length, use the LRECL command. This command changes the record length locally at the client site and sends the command to the server .
52 Chapter 2: EIU messaging protocols 297-8991-910 Standard 03.01 August 1999 Internet Protocol The IP control software supports the IP logic, which provides a connectionless datagram service between hosts. The IP software is designed such that the same modules provide IP host and IP router functionality .
Chapter 2: EIU messaging protocols 53 DMS-100 Family EIU User Guide TELECOM12 The MAPCI supports asynchronous output to both the scroll area and a “full screen” area. The input, however , is buf fered in a line-by-line mode. This combination of features requires that the telnet client perform echoing of input characters.
54 Chapter 2: EIU messaging protocols 297-8991-910 Standard 03.01 August 1999 Upon receiving RIP update from either another EIU or IP router on the LAN, the RIP software updates internal IP routing table. According to RFC1058, RIP response messages are transmitted every 30 s to Ethernet LAN.
Chapter 2: EIU messaging protocols 55 DMS-100 Family EIU User Guide TELECOM12 “Appendix E: Understanding IP and IP addressing” for more information on Internet addressing. The IP address features and restrictions within the SuperNode switch are as follows: • The Class A, B, and C address schemes are supported.
56 Chapter 2: EIU messaging protocols 297-8991-910 Standard 03.01 August 1999 Figure 13 T ypical configuration for LAN and SuperNode subnets For more information on IP addresses, refer to “Appendix H: IP network number requests” and “Appendix E: Understanding IP and IP addressing”.
Chapter 2: EIU messaging protocols 57 DMS-100 Family EIU User Guide TELECOM12 • the IP address class • the IP address subnet size based on number of subnets and the maximum number of hosts per sub.
58 Chapter 2: EIU messaging protocols 297-8991-910 Standard 03.01 August 1999 • Upon failure of any one EIU IP router , the traf fic is switched over to another available (in service) EIU IP router on the same LAN. • IP routing handles a mix of EIU IP routers and EIU hosts on the same LAN.
Chapter 2: EIU messaging protocols 59 DMS-100 Family EIU User Guide TELECOM12 Figure 14 An example SuperNode Ethernet Workstation Workstation LMS EIU200 EIU201 APUX20 LIU7 CM MS APX LMS EIU100 EIU101 .
60 Chapter 2: EIU messaging protocols 297-8991-910 Standard 03.01 August 1999 Routing tables The IP routing table structure is briefly explained here. The knowledge of IP routing tables is critical in understanding SuperNode IP routing issues. The SuperNode IP routing information is organized locally on all hosts in two separate tables.
Chapter 2: EIU messaging protocols 61 DMS-100 Family EIU User Guide TELECOM12 router is determined based on the simple load balancing rules and the status of the router . IP Screening Packets destined for the Supernode can be screened at the IP level.
62 Chapter 2: EIU messaging protocols 297-8991-910 Standard 03.01 August 1999 Maximums are defined for the number of TCP connections allowed on a node, as shown in table 5. UDP connection maximums are shown in table 6 on page 62. The parameter TCP_CONN controls the number of TCP connections for the node.
Chapter 2: EIU messaging protocols 63 DMS-100 Family EIU User Guide TELECOM12 cause TCP to drop the existing connections, which could cause a temporary outage of all TCP applications.
64 Chapter 2: EIU messaging protocols 297-8991-910 Standard 03.01 August 1999 • medium (1024 bytes) • large (1600 bytes) When the IP layer comes into service, the number of buffers allocated by default is 10 for the small buffer size and 5 each for the medium and lar ge buffer sizes.
Chapter 2: EIU messaging protocols 65 DMS-100 Family EIU User Guide TELECOM12 IP throttling IP throttle engineering is required to control congestion in the DS30 links. LPPs, SSLPPs, and SNSE-LISs have different throttling requirements, as described in the following sections.
66 Chapter 2: EIU messaging protocols 297-8991-910 Standard 03.01 August 1999 IP throttling for SSLPP The SSLPP incorporates additional throttling control for TCP/IP traffic sent over SR256 between the MS and SSLPP . T able 8 shows the recommended traf fic values for entry into table IPTHRON.
DMS-100 Family EIU User Guide TELECOM12 67 Chapter 3: EIU datafill This chapter describes the datafill requirements for installing and maintaining Ethernet interface units (EIU) in an Ethernet network. There are seven data schema tables required to provision the EIU.
68 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 The following sections describe these tables as they apply to EIU provisioning. For complete information on data schema, refer to DMS-100 T ranslations Guide , 297-8xxx-350.
Chapter 3: EIU datafill 69 DMS-100 Family EIU User Guide TELECOM12 Datafill sequence and implications The following tables must be datafilled before table LIUINV : • PMLOADS • LIMINV • CARRMTC.
70 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 LIUNO 0 to 511 Link interface unit number Enter the number assigned to the EIU. LOCATION The actual physical location of the EIU.
Chapter 3: EIU datafill 71 DMS-100 Family EIU User Guide TELECOM12 LIUSLOT 8 to 31 Link interface slot Enter the slot number, at the host LIM, on which the EIU resides. The EIU occupies two card slots. The left-most card represents the logical location of the card.
72 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 EIU MAC addresses By industry convention, MAC addresses for networking devices are unique worldwide. In typical networking devices, the MAC address is burned into a PROM on the circuit pack.
Chapter 3: EIU datafill 73 DMS-100 Family EIU User Guide TELECOM12 MAC address is datafilled. The operating company obtains the MAC address from Nortel, and Nortel in turn controls the distribution of the addresses so that all addresses remain unique.
74 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 • routing tables and algorithms are added to the IP as part of its addressing function • the capability to datafill and distribu.
Chapter 3: EIU datafill 75 DMS-100 Family EIU User Guide TELECOM12 While table 12 provides all the information you need to datafill for EIUs, complete information on table IPNETWRK is in DMS-100 T ranslations Guide , 297-xxxx-350.
76 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 PARM SCRNFLAG Parameter. If a screening flag is a requirement, enter SCRNGLAG. Enter refinement SCRNFLAG.
Chapter 3: EIU datafill 77 DMS-100 Family EIU User Guide TELECOM12 Sample datafill for table IPNETWRK Figure 16 shows sample datafill for table IPNETWRK for an EIU. Figure 16 Datafill examples for table IPNETWRK SCRNFLAG GTWY_IPADDR IOM_NUM PORT PACKLET Y or N IP address with four numbers from 0 to 255 0 to 255 0 to 255 0 to 255 Screen flag.
78 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 Supplementary information The TRANSLA TE command in the NETMAN tool can be used to convert an IP address into network parameters and vice versa.
Chapter 3: EIU datafill 79 DMS-100 Family EIU User Guide TELECOM12 Datafill sequence and implications The following tables must be datafilled before table IPROUTER: • PMLOADS • LIUINV • IPNETWRK Before entering data in table IPROUTER, Nortel Networks recommends to place the default EIU in the off-line state.
80 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 Sample datafill for table IPROUTER Figure 17 shows sample datafill for table IPROUTER for an EIU. Figure 17 Datafill example for table IPROUTER T able IPHOST T able IPHOST assigns the IP addresses to SuperNode end hosts.
Chapter 3: EIU datafill 81 DMS-100 Family EIU User Guide TELECOM12 Datafill sequence and implications The following tables must be datafilled before table IPHOST : • IPNETWRK • Inventory tables .
82 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 NODENAME = AP If the entry in field NODENAME is AP , enter the data in the following refinements: • SMNINDEX • SNADDR • TCPCO.
Chapter 3: EIU datafill 83 DMS-100 Family EIU User Guide TELECOM12 The datafill appears in the following table. NODENAME = APU If the entry in field NODENAME is APU, enter the data in the following .
84 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 The datafill appears in the following table. NODENAME = CM If the entry in field NODENAME is CM, enter the data in the following refinements.
Chapter 3: EIU datafill 85 DMS-100 Family EIU User Guide TELECOM12 The datafill appears in the following table. NODENAME = EIU If the entry in field NODENAME is EIU, enter data in the following re.
86 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 The datafill appears in the following table. NODENAME = ELIU If the entry in field NODENAME is ELIU, enter the data in the followin.
Chapter 3: EIU datafill 87 DMS-100 Family EIU User Guide TELECOM12 The datafill appears in the following table. NODENAME = FP If the entry in field NODENAME is FP , enter data in the following refinements.
88 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 The datafill appears in the following table. NODENAME = MS If the entry in field NODENAME is MS, enter the data in the following refinements.
Chapter 3: EIU datafill 89 DMS-100 Family EIU User Guide TELECOM12 The datafill appears in the following table. Sample datafill for table IPHOST Figure 18 shows sample datafill for table IPHOST for an EIU. Figure 18 Datafill example for table IPHOST T able IPTHRON T able IPTHRON contains the IP throttling numbers that control congestion.
90 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 • The first two fields for the tuple are numbers between 0 (zero) and 32 767 that represents the maximum IP transmit-and-receive rate in kbyte/s to and from the node that is datafilled as a key .
Chapter 3: EIU datafill 91 DMS-100 Family EIU User Guide TELECOM12 For more information on throttling, refer to“IP throttling” on page 61 and to the Pr ovisioning Rules for LPP , SSLPP , and SNSE LIS, System Engineering Bulletin number 92-02-001, version 01.
92 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 OPTION see subfield Option This field consists of subfield SNNODE. SNNODE AP, APU, CM, EIU, ELIU, FP, or MS SuperNode node Enter the name of the SuperNode node. The node must first be datafilled in its inventory table.
Chapter 3: EIU datafill 93 DMS-100 Family EIU User Guide TELECOM12 Sample datafill for table IPTHRON Figure 19 shows sample datafill for table IPTHRON for an EIU. Figure 19 Datafill example for table IPTHRON T able IPPROTO T able IPPROT O is rarely used and normally does not need to be datafilled.
94 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 If there is a serious performance problem, typically on very slow networks, modification of this table may be considered to increase timeout values. Datafill sequence and implications There are no datafill sequence and implications.
Chapter 3: EIU datafill 95 DMS-100 Family EIU User Guide TELECOM12 T able ENSITES T able ENSITES contains a complete list of all sites referenced in table EXNDINV . Datafill sequence and implications There are no datafill sequence and implications. Datafill T able 24 lists the fields and value ranges used to datafill an EIU in table ENSITES.
96 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 While table 25 provides all the information you need to datafill for EIUs, complete information on table ENTYPES is in DMS-100 T ranslations Guide , 297-xxxx-350. Sample datafill for table ENTYPES Figure 22 shows sample datafill for table ENTYPES for an EIU.
Chapter 3: EIU datafill 97 DMS-100 Family EIU User Guide TELECOM12 T able EXNDINV filters IP packets. Only packets with a specified source IP address can access DMS IP nodes.
98 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 Datafill T able 26 lists the fields and value ranges used to datafill an EIU in table EXNDINV . While table 26 provides all the information you need to datafill for EIUs, complete information on table EXNDINV is in DMS-100 T ranslations Guide , 297-xxxx-350.
Chapter 3: EIU datafill 99 DMS-100 Family EIU User Guide TELECOM12 IPADDRESS 0 to 255 (table of 4) Internet Protocol address If the entry in field ADDRTYPE is equal to ENIP, enter the IP address of the node. An IP address consists of 4 bytes, each with a value in the range 0 to 255.
100 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 FLOOR 0 to 99 Floor number Enter the number of the floor on which the node is located. ROW A to Z or AA to ZZ (excluding I, O, II, and OO) Row Enter the row on the floor in which the node is located.
Chapter 3: EIU datafill 101 DMS-100 Family EIU User Guide TELECOM12 EN0LKALM CR MJ MN NA External node no-link alarm Enter the type of alarm to be raised if no links are available to the external node.
102 Chapter 3: EIU datafill 297-8991-910 Standard 03.01 August 1999 Sample datafill for table EXNDINV Figure 24 shows sample datafill for table EXNDINV for an EIU. Figure 24 Datafill example for table EXNDINV MAJSCPT 0 to 6 Major alarm scan point Enter the scan point associated with the major alarm for the node.
DMS-100 Family EIU User Guide August 1999 103 Chapter 4: EIU maintenance This chapter provides information on Ethernet interface unit (EIU) maintenance. EIU maintenance is limited to hardware diagnostics for the Ethernet interface card (EIC) and the Ethernet interface paddle board (EIP).
104 Chapter 4: EIU maintenance 297-8991-910 Standard 03.01 August 1999 EIU MAP level EIU information is available on the maintenance and administration position command interface (MAPCI) display under the PM level.
Chapter 4: EIU maintenance 105 DMS-100 Family EIU User Guide TELECOM12 or the MAP display . The TST command in MAPCI also executes the same diagnostics when the EIU is ManB. In-service diagnostics The EIU changes its state to SysB state from InSv or IsTb if a serious hardware fault is detected by the in-service audit process.
106 Chapter 4: EIU maintenance 297-8991-910 Standard 03.01 August 1999 T able 27 summarizes the preset bucket parameters for reported LAN faults. EIU overload control In an overload situation, the EIU overload control discards packets at the interrupt level rather than at the process level.
Chapter 4: EIU maintenance 107 DMS-100 Family EIU User Guide TELECOM12 The EIU remained fully functional throughout the test. Although traffic from the EIU stopped, the stoppage was due to all other components on the LAN being non-functional and there was nothing left for the EIU to communicate with.
108 Chapter 4: EIU maintenance 297-8991-910 Standard 03.01 August 1999 A simple form of load balancing is used such that multiple end-hosts in the DMS switch are assigned an active EIU in a round-robin fashion. This requirement does not take into account the relative amounts of traffic to or from the end hosts.
Chapter 4: EIU maintenance 109 DMS-100 Family EIU User Guide TELECOM12 indicators drive “fault thresholds” that trigger maintenance actions when exceeded. • periodic functional audits to ensure that the hardware still functions • out-of-band resets that the DMS-100 switch initiates when detecting a severe problem.
110 Chapter 4: EIU maintenance 297-8991-910 Standard 03.01 August 1999 For information and procedures, refer to Car d Replacement Pr ocedur es , 297-xxxx-547.
DMS-100 Family EIU User Guide TELECOM12 111 Appendix A: EIU installation checklist This appendix provides a checklist of activities that the operating company follows to install Ethernet interface units (EIU) in a DMS-100 switch.
112 Appendix A: EIU installation checklist 297-8991-910 Standard 03.01 August 1999 Use the list in table 28 as a checklist to ensure that you meet all installation requirements for hardware, software, and datafill.
DMS-100 Family EIU User Guide TELECOM12 113 Appendix B: EIU troubleshooting This appendix provides information on tools that are commonly used in troubleshooting problems with the Ethernet interface unit (EIU). The appendix also provides a summary of common problems and possible causes.
114 Appendix B: EIU troubleshooting 297-8991-910 Standard 03.01 August 1999 T ools T able 29 summarizes the tools available for troubleshooting the EIU.
Appendix B: EIU troubleshooting 115 DMS-100 Family EIU User Guide TELECOM12 Cannot set up an FTP session between a SuperNode-based node and an external node 4, 8 Cannot ping between two SuperNode-base.
116 Appendix B: EIU troubleshooting 297-8991-910 Standard 03.01 August 1999.
DMS-100 Family EIU User Guide 03.01 117 Appendix C: Using FTP This appendix provides information on using file transfer protocol (FTP) with the Ethernet interface unit (EIU). FTP is an internationally accepted protocol for exchanging files between computing devices.
118 Appendix C: Using FTP 297-8991-910 Standard 03.01 August 1999 What is FTP? FTP is a session-oriented tool, which means that you establish a session, through login, before the file exchange takes place. The login requires a secure userID and password.
Appendix C: Using FTP 119 DMS-100 Family EIU User Guide TELECOM12 <bin/txt> is the transfer type, txt for ASCII or bin for BINAR Y <record length> the logical record length is a number from 1 to 32767 This file format is shown in table 31.
120 Appendix C: Using FTP 297-8991-910 Standard 03.01 August 1999 If the file format is not recognized by the FTP application, the system aborts the file transfer and issues one of the following error messages. Example of an err or message: ‘503 TYPE must be Binary.
Appendix C: Using FTP 121 DMS-100 Family EIU User Guide TELECOM12 Example: DMS>get source ‘/a/b/filename’ DMS>put ‘/a/b/filename’ destination • If you have a client session on the DMS-100 switch, destination and source file names on the local host can be in lowercase or uppercase.
122 Appendix C: Using FTP 297-8991-910 Standard 03.01 August 1999 Obtaining the IP address of the SuperNode host DELUSERINFO delete user-related information DIR list the directory FTPCLOSE close the c.
Appendix C: Using FTP 123 DMS-100 Family EIU User Guide TELECOM12 If you need to find out the IP address of a SuperNode host, refer to the following tables: • table IPNETWRK for address of the CM .
124 Appendix C: Using FTP 297-8991-910 Standard 03.01 August 1999 where passwd is a valid user password for the userID that you are using Y ou are placed in the default directory . Example of a MAP response: 230 User johnh logged in. 4 Y ou have completed this procedure.
Appendix C: Using FTP 125 DMS-100 Family EIU User Guide TELECOM12 3 List the files names and their attributes in the directory by typing ftp> dir and pressing the Enter key .
126 Appendix C: Using FTP 297-8991-910 Standard 03.01 August 1999 2 Y ou have completed this procedure. T utorial: moving files This section provides a set of procedures to move files between a remote host and the DMS-100 switch which is the local host.
Appendix C: Using FTP 127 DMS-100 Family EIU User Guide TELECOM12 5 Determine the next step. 6 Change directory on the local host (DMS-100 switch) by typing ftp> lcd path_name and pressing the Enter key . where path_name is a valid directory path Example: ftp> lcd ‘/S00DTEMP’ Example of a MAP response FTP: Local directory changed .
128 Appendix C: Using FTP 297-8991-910 Standard 03.01 August 1999 9 Get an ASCII file from the remote host by typing ftp>get file_name1 and pressing the Enter key . where file_name1 is the name of the file on the remote directory Example: ftp> get ‘file1.
Appendix C: Using FTP 129 DMS-100 Family EIU User Guide TELECOM12 12 Y ou have completed this procedure. Procedure 6 Copying a binary file from the remote host Step Action 1 Establish an FTP session and determine your location as described in procedure 1 in this appendix.
130 Appendix C: Using FTP 297-8991-910 Standard 03.01 August 1999 where path_name is a valid directory path Example: ftp> lcd ‘/S00DTEMP’ 7 Determine the next step. 8 Set the record length of the file by typing ftp> lrecl rec_length and pressing the Enter key .
Appendix C: Using FTP 131 DMS-100 Family EIU User Guide TELECOM12 where file_name1 is the name of the file on the remote directory Example: ftp> get ‘file1.bin1020’ This example gets a file called file1.bin1020 from the remote host and renames it to FILE1 on the DMS-100 switch.
132 Appendix C: Using FTP 297-8991-910 Standard 03.01 August 1999 1 Start the FTP tool without connecting to a host by typing ftp> ftp and pressing the Enter key .
Appendix C: Using FTP 133 DMS-100 Family EIU User Guide TELECOM12 where user_id is the userID Example: ftp>deluserinfo ‘johnh’ Example of a MAP response: DELETE USERINFO PASSED This userID can no longer FTP to this node and login using the userID and password of johnh johnh.
134 Appendix C: Using FTP 297-8991-910 Standard 03.01 August 1999 ftp> commandmask mkdir set Example of a MAP response: Command mask for the mkdir command has been set 4 Add user information associated with this command mask by typing ftp> adduserinfo user_id passwd default_dir privilege and pressing the Enter key .
Appendix C: Using FTP 135 DMS-100 Family EIU User Guide TELECOM12 Example: ftp>commandtimeout Default command timout value is 10 mins. 3 Set the default command timeout value to forever by typing ftp> commandtimeout value and pressing the Enter key .
136 Appendix C: Using FTP 297-8991-910 Standard 03.01 August 1999 T able 34 shows FTP operations for sessions started on a workstation for connection to a DMS-100 switch. In this scenario, the DMS-100 switch is the remote host and the workstation is the local host.
Appendix C: Using FTP 137 DMS-100 Family EIU User Guide TELECOM12 Get an ASCII file from the DMS WS> ascii WS> get file_name where file_name is the name of the file on the DMS that you want to get. If the file name is in lowercase, use single quotation marks around the name (including forward slashes).
138 Appendix C: Using FTP 297-8991-910 Standard 03.01 August 1999 T able 35 shows FTP operations for sessions started on a DMS-100 switch for connection to a workstation. In this scenario, the DMS-100 switch is the local host and the workstation is the remote host.
Appendix C: Using FTP 139 DMS-100 Family EIU User Guide TELECOM12 Change the working directory on the workstation CM> cd ‘path_name’ where path_name is a valid path from the current working directory on the workstation Use single quotation marks only if the directory name is in lowercase.
140 Appendix C: Using FTP 297-8991-910 Standard 03.01 August 1999 Send an ASCII file to the workstation CM> ascii CM> put file_name where file_name is the name of the target file on the workstation. If the file name is in lowercase or contains forward slashes, use single quotation marks around the name.
DMS-100 Family EIU User Guide TELECOM12 141 Appendix D: Using telnet This appendix provides procedures for establishing telnet sessions on the DMS-100 switch.
142 Appendix D: Using telnet 297-8991-910 Standard 03.01 August 1999 T elnet access to a switch Procedure 12 T elnetting into a switch for MAP session access (pre-CSP05) Step Action 1 Go to the CI level of the MAP display . 2 Open table IPHOST by typing >table IPHOST and pressing the Enter key .
Appendix D: Using telnet 143 DMS-100 Family EIU User Guide TELECOM12 Procedure 13 T elnetting into a switch for MAP session access (CSP05 and up) Step Action 1 Go to the CI level of the MAP display . 2 Open table IPNETWRK by typing >table IPNETWRK and pressing the Enter key .
144 Appendix D: Using telnet 297-8991-910 Standard 03.01 August 1999.
DMS-100 Family EIU User Guide TELECOM12 145 Appendix E: Understanding IP and IP addressing This chapter is a primer on internetworking, Internet Protocol (IP), addressing, and IP-related protocols. For examples on IP addressing and configurations, refer to “Appendix F: EIU addressing examples”.
146 Appendix E: Understanding IP and IP addressing 297-8991-910 Standard 03.01 August 1999 application that the user needed to access. Otherwise, the user required a separate line and terminal device for each application.
Appendix E: Understanding IP and IP addressing 147 DMS-100 Family EIU User Guide TELECOM12 The routed protocol of the architecture (usually the network-layer protocol) creates connectionless datagrams or packets. The address information contained in the datagram header enables each encountered router to make a routing decision for the datagram.
148 Appendix E: Understanding IP and IP addressing 297-8991-910 Standard 03.01 August 1999 Figure 26 Simple network map The networks shown in figure 26 are established and only need to be joined to the EIUs.
Appendix E: Understanding IP and IP addressing 149 DMS-100 Family EIU User Guide TELECOM12 Figure 27 Detailed network diagram Choosing IP addresses IP was originally developed to allow large numbers of diverse institutions to interconnect their local hosts and networks into a larger network (an Internetwork).
150 Appendix E: Understanding IP and IP addressing 297-8991-910 Standard 03.01 August 1999 not recommended. If connection to public networks is needed later , all the addressing work must be repeated. IP addresses IP uses a 32-bit address, which consists of four sets of eight-bit numbers, normally expressed in decimal notation.
Appendix E: Understanding IP and IP addressing 151 DMS-100 Family EIU User Guide TELECOM12 T wo additional address classes exist. Class D addresses support IP multicasting, which is used to transmit packets to multiple IP addresses. Class E addresses are reserved for Internet engineering task force experimental use.
152 Appendix E: Understanding IP and IP addressing 297-8991-910 Standard 03.01 August 1999 Figure 29 IP addressing: class A | | 72 4 32 networkid hostid bits | hostid bits bits 1 bit 2 to 22 bits For any class, the hostid can be split into a subnet id and a hostid depending on customer requirements.
Appendix E: Understanding IP and IP addressing 153 DMS-100 Family EIU User Guide TELECOM12 Figure 30 Subnet mask: class A Base_T el-10 IPNETWRK No. subnets No. hosts netmask Netmask in binary format subnet size 2 4194302 255.192.0.0 (11111111.11000000.
154 Appendix E: Understanding IP and IP addressing 297-8991-910 Standard 03.01 August 1999 Figure 31 IP addressing: class B | | 14 32 networkid hostid bits | hostid bits 2 bit 2 to 14 bits Class B indicator | | | subnet id || | 2 to 14 bits 10 therefore, we can have 16384-2 class B networks each with 65536-2 hosts (if no subnets).
Appendix E: Understanding IP and IP addressing 155 DMS-100 Family EIU User Guide TELECOM12 Figure 32 Subnet mask: class B Base_T el-12 IPNETWRK No. subnets No. hosts netmask Netmask in binary format subnet size 2 16382 255.255.192.0 (11111111.11111111.
156 Appendix E: Understanding IP and IP addressing 297-8991-910 Standard 03.01 August 1999 Figure 33 IP addressing: class C Figure 34 Subnet mask: class C | | 21 32 networkid hostid bits | hostid bits.
Appendix E: Understanding IP and IP addressing 157 DMS-100 Family EIU User Guide TELECOM12 Figure 35 IP addressing: class D Figure 36 IP addressing: class E Address masks For administrative or procedural reasons, a network number can be subdivided into subnetworks using a subnetwork mask, also called a subnet or address mask.
158 Appendix E: Understanding IP and IP addressing 297-8991-910 Standard 03.01 August 1999 departments. Each department expects to use fewer than 254 host addresses, so the entire third byte of the address is chosen for the subnetwork number . T o reserve the third byte for the subnetwork number , they use subnetwork mask 255.
Appendix E: Understanding IP and IP addressing 159 DMS-100 Family EIU User Guide TELECOM12 Figure 38 Simple network numbering The Corporate Networking group assigns a class A address to each of its departments. The three Ethernet networks on 20.0, 21.
160 Appendix E: Understanding IP and IP addressing 297-8991-910 Standard 03.01 August 1999 representative to discuss state-of-the-art secure data communications equipment products.
Appendix E: Understanding IP and IP addressing 161 DMS-100 Family EIU User Guide TELECOM12 Internet control message protocol The Internet control message protocol (ICMP) provides feedback from an IP router or gateway to a source host.
162 Appendix E: Understanding IP and IP addressing 297-8991-910 Standard 03.01 August 1999 Included in the family of address resolution protocols are reverse address resolution protocol (RARP), proxy address resolution protocol (proxy ARP), and inverse address resolution protocol (InARP).
Appendix E: Understanding IP and IP addressing 163 DMS-100 Family EIU User Guide TELECOM12 • the IP address of a boot server host • the name of a file to be loaded into memory and executed • th.
164 Appendix E: Understanding IP and IP addressing 297-8991-910 Standard 03.01 August 1999.
DMS-100 Family EIU User Guide TELECOM12 165 Appendix F: EIU supported configurations This appendix provides examples of EIU supported configurations.
166 Appendix F: EIU supported configurations 297-8991-910 Standard 03.01 August 1999 Figure 39 Host configuration TABLE LIUINV EIU 1 LIM 0 1 26 ERS09BB NTEX22BB NT9X84AA NT9X85AA YES 000075F17009 TAB.
Appendix F: EIU supported configurations 167 DMS-100 Family EIU User Guide TELECOM12 Figure 40 Router configurations TABLE LIUINV EIU 1 LIM 0 1 26 ERS09BB NTEX22BB NT9X84AA NT9X85AA YES 000075F17009 .
168 Appendix F: EIU supported configurations 297-8991-910 Standard 03.01 August 1999 Figure 41 Host and router configuration Can be another subnet or new network on this side of external router TABLE.
Appendix F: EIU supported configurations 169 DMS-100 Family EIU User Guide TELECOM12 Figure 42 Interface configuration part 1 TABLE LIUINV EIU 1 LIM 0 1 26 ERS09BB NTEX22BB NT9X84AA NT9X85AA YES 0000.
170 Appendix F: EIU supported configurations 297-8991-910 Standard 03.01 August 1999 Figure 43 Interface Configuration part 2 TABLE LIUINV EIU 1 LIM 0 1 26 ERS09BB NTEX22BB NT9X84AA NT9X85AA YES 0000.
DMS-100 Family EIU User Guide TELECOM12 171 Appendix G: IP network number requests This appendix provides information on obtaining an Internet Protocol (IP) address from the Network Information Center (NIC), including information on the type of addresses available and the form required to obtain the address.
172 Appendix G: IP network number requests 297-8991-910 Standard 03.01 August 1999 The network topology consists of the SuperNode and other third-party equipment, such as hubs and workstations. Some third-party routers may be required for distant LANs or for fault-tolerant network architecture.
Appendix G: IP network number requests 173 DMS-100 Family EIU User Guide TELECOM12 1) If the network will be connected to the Internet, you must provide the name of the governmental sponsoring organiz.
174 Appendix G: IP network number requests 297-8991-910 Standard 03.01 August 1999 3) Supply the short mnemonic name for the network (up to 12 characters).
Appendix G: IP network number requests 175 DMS-100 Family EIU User Guide TELECOM12 7) Unless a strong and convincing reason is presented, the network (if it qualifies at all) will be assigned a class C network number. If a class C network number is not acceptable for your purposes state why.
176 Appendix G: IP network number requests 297-8991-910 Standard 03.01 August 1999.
DMS-100 Family EIU User Guide TELECOM12 177 Appendix H: ASU background information This appendix provides background information on application-specific units (ASU) and the SuperNode platforms that support these ASUs.
178 Appendix H: ASU background information 297-8991-910 Standard 03.01 August 1999 OSI router or support host services. The current list of router and host services that use dedicated EIUs include: .
Appendix H: ASU background information 179 DMS-100 Family EIU User Guide TELECOM12 Network interface unit The NIU provides direct network connectivity for the link peripheral processor (LPP), the single-shelf LPP (SSLPP), or the SuperNode SE link interface shelf (SNSE LIS).
180 Appendix H: ASU background information 297-8991-910 Standard 03.01 August 1999 • CDPD XLIU terminates various protocols, such as LAPB and MDLP . XLIUs also store accounting information for data services. • CDPD NIU stores and maintains subscriber routing and mobility information on the NIU software.
Appendix H: ASU background information 181 DMS-100 Family EIU User Guide TELECOM12 Figure 44 LPP architecture The LMS represents the first level of the two-level message switching hierarchy . The LMS provides the interface between the F-bus seen by individual ASUs and services and non-channelized DS30 links to the DMS- bus.
182 Appendix H: ASU background information 297-8991-910 Standard 03.01 August 1999 DMS-bus. While the rate adapter is responsible for mediating traffic flow between the F-bus and T -bus, the T -bus .
Appendix H: ASU background information 183 DMS-100 Family EIU User Guide TELECOM12 Figure 45 SSLPP architecture SuperNode SE link interface shelf The SNSE LIS is part of the SuperNode SE configuration. In this arrangement, the SNSE LIS is collocated with a DMS-bus (MS), 16kbyte ENET , CM, and SLM hardware in a single frame.
184 Appendix H: ASU background information 297-8991-910 Standard 03.01 August 1999 Figure 46 SNSE-LIS architecture F-bus 0 F-bus 1 F-bus 0 F-bus 1 ENI shelf LIS shelf Rate adapter MS 0 F-bus repeater .
DMS-100 Family EIU User Guide TELECOM12 185 Appendix I: Obtaining a MAC address This appendix provides information on media access control (MAC) addresses 1 , and on obtaining a MAC address for the Ethernet interface unit (EIU).
186 Appendix I: Obtaining a MAC address 297-8991-910 Standard 03.01 August 1999 Figure 47 EIU MAC address format The format of the MAC address is defined as follows: • Nortel sets the two bits for the I/G and U/L fields according to the IEEE definition of the MAC address.
Appendix I: Obtaining a MAC address 187 DMS-100 Family EIU User Guide TELECOM12 How to get the MAC address for an EIU Nortel is responsible for assigning blocks of MAC addresses to its customers. T o obtain MAC addresses, contact your Nortel Engineering support group by using the internal Nortel email address, MAC ADDRESS2.
188 Appendix I: Obtaining a MAC address 297-8991-910 Standard 03.01 August 1999.
DMS-100 Family EIU User Guide TELECOM12 189 List of terms ACCS automated calling card system ADAS automated directory assistance service AIN advanced intelligent network ALP application layer program .
190 List of terms 297-8991-910 Standard 03.01 August 1999 CM computing module CPU central processing unit DATAS DMS Accounting and T raffic Analysis System DCP data communication processor (now EIU) .
List of terms 191 DMS-100 Family EIU User Guide TELECOM12 IML inter-message switch links InARP inverse address resolution protocol IOC input/output controller IP Internet Protocol IPF integrated proce.
192 List of terms 297-8991-910 Standard 03.01 August 1999 MAP maintenance and administration position Mbyte megabyte Mbyte/s megabytes per second Mbit megabits Mbit/s megabits per second MDLP mobile d.
List of terms 193 DMS-100 Family EIU User Guide TELECOM12 SDM SuperNode Data Manager SEB software engineering bulletin SLM system load module SMP simple management protocol SNA system network architec.
194 List of terms 297-8991-910 Standard 03.01 August 1999 UDP user datagram protocol ULP upper layer protocol UTP unshielded twisted-pair VPU voice processor unit WAN wide area network WS workstation XDR external data representation XLIU X.
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DMS-100 Family Ethernet Interface Unit User Guide © 1998 Northern T elecom All rights reserved NORTHERN TELECOM CONFIDENTIAL : The information contained in this document is the property of Northern T elecom.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Cabletron Systems DMS-100 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Cabletron Systems DMS-100 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cabletron Systems DMS-100 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cabletron Systems DMS-100 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cabletron Systems DMS-100, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Cabletron Systems DMS-100.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cabletron Systems DMS-100. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cabletron Systems DMS-100 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
