Network Troubleshooting
Contents
1. 183 183 183 187 190 190 192 195 200 209 214 223 8 1 1 8 1 2 8 1 3 8 1 4 8 1 5 8 2 1 8 2 2 8 2 3 8 2 4 8 2 5 8 2 6 8 2 7 8 2 8 8 2 9 9 1 9 1 1 9 1 2 9 1 3 9 1 4 9 1 5 9 2 1 9 2 2 9 2 3 9 2 4 9 2 5 9 2 6 9 2 7 9 2 8 10 10 1 10 1 1 10 1 2 10 1 3 10 1 4 10 1 5 10 1 6 10 1 7 10 1 8 The Physical Layer in Token Ring Networks The Token Ring Data Format Process Control in Token Ring Networks Design Guidelines for Token Ring Networks Token Ring Standards Troubleshooting in Token Ring Networks Gathering Information on Symptoms and Recent Changes Starting the Troubleshooting Procedure Error Symptoms in Token Ring Cabling Problems Problems with Token Ring Interface Cards Problems with Concentrators MAUs TCUs Problems with Bridges Problems with Routers Symptoms and Causes Token Ring FDDI Specification and Implementation The Physical Layer in FDDI Networks The FDDI Data Format Process Control in FDDI Networks Design Guidelines for FDDI Networks FDDI Standards Troubleshooting FDDI Networks Gathering Information on Symptoms and Recent Changes Starting the Troubleshooting Procedure Error Symptoms in FDDI Cabling Problems Problems with FDDI Interface Cards Problems with Bridges Problems with Routers Symptoms and Causes FDDI ATM Specification and Implementation ATM in Homogeneous Private Networks ATM in Heterogeneous LAN Environments ATM in Public Wide Area Networks Asynchron2. CONTENTS 555 555 555 556 558 560 561 562 564 564 566 567 569 570 571 572 572 574 576 576 579 579 580 584 591 592 596 599 599 599 600 602 603 605 605 606 608 608 608 609 610 12 17 6 17 6 1 17 6 2 17 6 3 17 6 4 17 7 17 7 1 17 8 17 9 17 10 17 11 17 12 18 Section V A Al A 1 1 A 1 2 A 1 3 A 1 4 A 1 5 A 1 6 A 1 7 A 1 8 A 1 9 A 1 10 A 1 11 A 1 12 A 1 13 A 1 14 A 2 A 3 A 3 1 A 3 2 A 3 3 A 3 4 A 3 5 A 3 6 CONTENTS Hypertext Transfer Protocol HTTP The Basic Mechanisms of HTTP Differences Between HTTP 1 1 and HTTP 1 0 HTTP Messages Connection Types The Server Message Block SMB Protocol Troubleshooting SMB The Microsoft Browsing Protocol Troubleshooting Application Protocols Symptoms and Causes Network Services and Applications in General Symptoms and Causes FTP and Telnet Symptoms and Causes Mail Testing Network Performance ccsscsssesesessssesssessseeeseseseeseseeesneseseeeesees PRODI NUK oo cecum cs exe teen ne ewes nce ce E ce vec xz E E AA Error Symptoms and Root Causes sssssssssssesssesesssssesessseseseseseseeeaees Symptoms amp Causes 10 100 1 000 Mbit s Ethernet Diminished Network Performance in Conjunction with FCS Errors Diminished Network Performance in Conjunction with Late Collisions Diminished Network Performance in Conjunction with Early Collisions Slow Network High Response Time Intermittent Probl
3. the Troubleshooting Procedure Error Symptoms in PDH Symptoms and Causes PDH Troubleshooting in SDH and SONET Networks SDH SONET Transport Tests SDH SONET Pointer Tests SDH SONET Overhead Tests SDH SONET Interface Tests Error Symptoms in SDH SONET Symptoms and Causes SDH SONET V and X Series Interfaces sssssusususunununununnnnnnnnnnnnnnununnnnnnnannna Data Communications Interfaces for Telephone Networks ITU V 24 EIA TIA RS 232C ITU V 35 V 36 V 37 ITU V 10 V 11 RS 449 Data Communications Interfaces for Data Networks X 20 X 21 X 25 Troubleshooting X and V Series Interfaces Gathering Information on Symptoms and Recent Changes Diagnosing Problems in X and V Series Interfaces Symptoms and Causes X and V Series Interfaces Troubleshooting Higher Layer Protocols cssssse Internet Protocols cccsssssssssssssssssssessessesseesersersnssersersesseses The Internet Protocol IP The Transmission Control Protocol TCP CONTENTS 482 482 T 485 485 487 499 509 510 513 516 519 519 520 520 521 522 524 525 526 527 528 528 sa Sgcndst sedan costsecs 531 532 532 534 536 537 537 537 539 539 539 540 542 aiseuscsevevdsetvouraes 545 siatdhiventdeaetedasiads 547 550 552 11 16 3 16 4 16 4 1 16 4 2 16 5 16 5 1 16 5 2 16 5 3 16 5 4 16 5 5 16 6 16 6 1 16 6 2 16 6 3 16 7 16 7 1 16 7 2 16 8 16 8 1 16 9 16 10 16 10 1 16 10 2 16 10 3
4. 17 17 1 17 1 1 17 1 2 17 1 3 17 1 4 17 1 5 17 1 6 17 2 17 2 1 17 2 2 17 2 3 17 3 17 3 1 17 3 2 17 4 17 5 17 5 1 The User Datagram Protocol UDP IP Encapsulation SLIP PPP Serial Line Internet Protocol SLIP The Point to Point Protocol PPP Addressing in IP Networks The IP Address Space Special Internet Addresses Subnetwork Address Masks The Internet Domain Name System DNS The Host Command and the DNS Protocol Internet Protocol The Next Generation IPv6 The IPv6 Address Format The IPv6 Data Packet Format Authentication and Encryption in IPv6 The NetBIOS Protocol NetBEUI NetBIOS over LLC NetBIOS over TCP IP The Dynamic Host Control Protocol DHCP Diagnosing DHCP Errors Internet Protocols Standards Troubleshooting Internet Protocols Gathering Information on Symptoms and Recent Changes Error Symptoms in IP Networks Symptoms and Causes Internet Protocols Network Services and Applications csssseeeen E Mail Simple Mail Transfer Protocol SMTP RFC 821 Multipurpose Internet Mail Extensions MIME RFC 1521 S MIME Secure Multipurpose Internet Mail Extensions Privacy Enhanced Mail PEM E Mail Standards Troubleshooting E Mail Internet News The Network News Transfer Protocol NNTP RFC 977 NNTP Standards Troubleshooting News The File Transfer Protocol FTP FTP Standards Troubleshooting FTP Trivial File Transfer Protocol TFTP Telnet Troubleshooting Telnet
5. A 21 17 CONTENTS Broadcast Storms Low Throughput Common Errors in LAN Switched Networks Symptoms and Causes ISDN No Connection Frequent Connection Loss Long Application Response Times over ISDN Common Errors in ISDN Networks Symptoms and Causes Frame Relay No Connection High Response Time Common Errors in Frame Relay Networks Symptoms and Causes PDH No Connection PDH Alarms Common Errors in PDH Networks Symptom and Causes SDH No Connection SDH Alarms Common Errors in SDH Networks Symptoms and Causes X and V Series Interfaces No Connection Diminished Throughput Long Response Times Common Errors in X V Series Connections Symptoms and Causes Internet Protocols Ping from Problem Host to Loopback Address 127 0 0 1 Fails Ping to Problem Host from a Node in the Same Subnet Fails Ping from Problem Host to a Host in the Same Subnet Fails Ping from Problem Host to Default Router Fails Ping from Problem Host to Host Outside the Local Subnet Fails Ping to Problem Host by Name Fails Ping by Name from Problem Host to Host in the Same Subnet Fails Ping by Name to a Host Outside the Local Subnet from the Problem Host Fails Intermittent Loss of Connection IP Connection Working but Application not Available Diskless Stations Unable to Boot Generally Low TCP IP Performance Excessive TCP Retransmissions TCP Window Size too Small TCP Window Size Drops Below Maximum TCP Window Size Constant Slow Acknowledge
6. Gauch Christian Dinten Duane Lotharius Sandy McKinsey Epitor Clelia deMoraes Pace Layout J rg Nestle Cover pesien J rg Nestle Peter Przybylla PRODUCT MARKETING MANAGER Pamela Frankenfield ProvecT MANAGER Melissa Ames Core PROJECT TEAM Tony Crawford Michelle Gyulai Pat Huppenthal Phil Sexton Dan Van Wijk PROGRAM SUPERVISOR Karen Spahr Contents Section 1 1 1 1 2 1 3 1 4 1 4 1 1 4 2 1 4 3 1 4 4 1 4 5 1 5 1 5 1 1 5 2 1 7 aE E EEE R E EGO CU CENOND faci si ses c cgcvdecdudacetecauvasstacnata veassatas ativan cesiucsatasaczarassnesbeniennasdenaannnaeii Basic Concepts A E E T Network Availability csssscsssssssscsssssesssssssessesssssesassesssesesesssetasaesseneas The Strategic Importance of Information Technology Intranets and the Internet Revolutions in Network Technology The Behavior of Complex Network Systems Catastrophe Theory The Causes of Network Failure Operator Error Mass Storage Problems Computer Hardware Problems Software Problems Network Problems Calculation and Estimation of Costs Incurred Due to Network Failures Immediate Costs Consequential Costs High Availability and Fault Tolerance in Networks Summary Error Management in Data Networks csssssssssessseseseseesseseeesesseeeseeeeeeees Corporate Guidelines for Data Processing Systems Corporate Guidelines for Employees Corporate Guidelines for Network Hardware Corporate Guidelines for Network Sof
7. Interface Primary Rate Interface PRI ISDN Standards Troubleshooting ISDN Gathering Information on Symptoms and Recent Changes Error Symptoms in ISDN Symptoms and Causes ISDN Frame Relay anann anaia aa itas Frame Relay Specification and Implementation Frame Relay Standards Troubleshooting Frame Relay Gathering Information on Symptoms and Recent Changes Starting the Troubleshooting Procedure CONTENTS l 359 375 385 387 394 395 399 408 417 417 417 418 ET 423 423 425 426 426 427 429 430 aiiariieisiiiiaaiisai 433 435 436 437 456 456 456 458 459 459 461 463 467 476 478 478 479 10 13 3 3 13 3 4 14 14 1 14 1 1 14 1 2 14 1 3 14 1 4 14 1 5 14 2 14 3 14 3 1 14 3 2 14 3 3 14 3 4 14 4 14 4 1 14 4 2 14 4 3 14 4 4 14 4 5 14 4 6 15 15 1 15 1 1 15 1 2 15 1 3 15 2 15 2 1 15 2 2 15 2 3 15 3 15 3 1 15 3 2 15 3 3 Section IV 16 16 1 16 2 Error Symptoms in Frame Relay Networks Symptoms and Causes Frame Relay SDH SONET and PDH sscscsssscsssssssessssessseeseseeseseeneseeneeeeees SDH SONET and PDH Specification and Implementation The Plesiochronous Digital Hierarchy PDH The Synchronous Digital Hierarchy SDH and SONET Comparing SDH and SONET Section Overhead Transport Overhead and Path Overhead Pointers in SDH SONET SDH SONET PDH Standards Troubleshooting in PDH Networks Gathering Information on Symptoms and Recent Changes Starting
8. Network Troubleshooting Customer Reviews Where has this book been all my life At last a complete amp up to date resource for those of us in the trenches wish I had this book 5 years ago Technical yet comprehensible A great reference containing the information need to get the network troubleshooting job done If you are responsible for resolving problems with slow servers or slow net works this book is an invaluable resource Get it JEROMME LAWLER Network Anatyst Cross TimBers OiL COMPANY Not only did find this work to be one of the most comprehensive technical references for network analysis and troubleshooting I ve ever read was also impressed with the structural foundations and financial principles conveyed when analyzing network uptime and error management in a corporate IT enterprise Davio Proury Wipe Arca Network Enainecr INTEGRIS HEALTH This book provides a wealth of useful information for a wide scope of users and at the same time is a very practical help for diagnosing and solving network problems JACQUES DEN Toom CHANNEL MARKETING MANAGER Cisco SYSTEMS The troubleshooting sections were excellent Each section can be read from start to finish or specific chapters can be used as a reference when working on a particular problem Token Ring problem Ethernet problem etc The use of Symptoms and Causes is great and the summaries at the end of each chapt
9. Usergroups Newsgroups CONTENTS 711 714 E E 715 715 718 718 722 722 sadindancsnsaadassadvansaiinaae 869 sasansheaaghadanessvsushnaie 897 897 898 898 898 908 anaa nen a 943 manani 953 953 954 954 955 955 960 973 978 978 978 978 979 979 979 980 gandnrataansasaasodeasananse 983 983 984 984 17 Introduction The challenge to design deploy and operate communications networks is daunting The gap between the availability of skilled network operators and the need for them is widening With the proliferation of new technologies the expectations for high availability of services and applications and the demand for interoperability between networks the knowledge and experience of these people becomes more critical How can network operators develop the skills and expertise to be successful in this changing environment They need to understand how different services and applications affect network design vendor selection configuration commissioning and optimization As applications become increasingly critical to business outages and poor performance become intolerable Network operators need the expertise and experience to deal with a wide range of problems and technologies Training must not only focus on networking technologies services and applications but also on the tools and techniques to deploy troubleshoot and optimize them What tools can help network operators do their jobs more
10. effectively Tools must be sophisticated in terms of diagnostic capabilities while being easy to operate They need convenient connection to the network They must observe all activity or conditions on the network while determining which ones are relevant to troubleshooting or optimization They must address all the technologies used in the network for delivering the offered services or in running the deployed applications They need to identify the causes of network problems and to recommend how these problems can be resolved Even though there are many courses and books on networking technologies very few cover the practical aspects of troubleshooting and optimizing networks services and applications This book endeavors to fulfill this need It provides information about technologies and techniques that is essential to get networks services and applications up and keep them running effectively and it provides a comprehensive and consolidated set of potential causes for different problem symptoms There is a critical need to collect and compile this kind of information and make it readily available to network operators to help them isolate characterize and solve problems more effectively and quickly With the help of many contributors Othmar Kyas has created an indispensable reference book for troubleshooting and optimizing networks services and applications If you are interested in contributing to subsequent revisions please contact Othma
11. ems with Connections and Network Performance Alignment Errors Intermittent Connection Problems in Conjunction with Short Packets Intermittent Connection Problems in Conjunction with Jabber Packets Intermittent Connection Problems in Conjunction with Short Inter Frame Spacing Intermittent Connection Problems in Paths Across Bridges Intermittent Connection Problems in Routes Across Routers Loss of a Single Node s Connection An Entire Segment has no Bridge Connection to the Rest of the Network An Entire Segment has no Router Connection to the Rest of the Network Intermittent Connection Problems Between Client and Network Common Errors in Ethernet Networks Symptoms and Causes Token Ring Active Monitor Error or Active Monitor Change Address Recognized Error Burst Errors Beaconing Streaming Failed Insertion Frame Copied Error 610 610 613 614 615 616 621 621 622 622 623 624 625 635 636 637 637 637 638 638 638 639 640 640 641 642 642 642 642 643 643 643 13 CONTENTS Lost Frame Error Frequency Error Intermittent Errors and Connection Failures Internal Error No Connection to Server Intermittent Connection Failures High Network Load Network Slow Stations Locking Up Neighbor Notification Error Report Neighbor Notification Incomplete Network Slow Despite Low Traffic Ring Purges Ring Resetting Receiver Congested Token Error Request Station Removed Token Direction Change C
12. entation Troubleshooting Coaxial Cable 10Base2 10Base5 Symptoms and Causes Coaxial Cable Twisted Pair Cable Twisted Pair Cable Specification and Implementation Troubleshooting Twisted Pair Cable Symptoms and Causes Twisted Pair Cable Fiber Optic Cable Fiber Optic Cable Specification and Implementation Troubleshooting Fiber Optic Cable Symptoms and Causes Fiber Optic Cable 10 100 1 000 Mbit s Ethernet cc ccc csscscsscscsssssesssssseesssessenarsenans 10 100 1 000 Mbit s Ethernet Specification and Implementation The Ethernet Frame Format Ethernet Network Topologies Design Guidelines for 10 Mbit s Ethernet Networks Design Guidelines for 100 Mbit s Ethernet Networks Design Guidelines for 1 000 Mbit s Ethernet Networks Ethernet Standards Troubleshooting in 10 100 1 000 Mbit s Ethernet Gathering Information on Symptoms and Recent Changes Starting the Troubleshooting Procedure Error Symptoms in Ethernet Cabling Problems Problems with Ethernet Interface Cards Problems with Media Access Units MAUs Problems with Repeaters and Hubs Problems with Bridges Problems with Routers Symptoms and Causes 10 100 1 000 MBit s Ethernet Token Ring sescscscsetscccsseserececsctsesesasececccesecacessetseccsicavsesvesesstessccsenennsteenectsseaenies Token Ring Specification and Implementation 135 139 140 140 143 145 147 147 149 152 155 155 158 161 163 163 164 166 169 169 171 172 173 176 179 181
13. er listing the most frequent causes of problems provide a good overview of what could be wrong GILBERT GARCIA Network ENGINEER GETRONICS NC Troubleshooting by Othmar Kyas An Agilent Technologies Publication Agilent Technologies Copyright 2001 by Othmar Kyas Othmar Kyas asserts that the information in this CD is complete and accurate to the best of his knowledge Every reasonable effort has been made to confirm the accuracy and reliability of the information described in this CD Agilent Technologies Inc does not warrant that the same results will be obtained in every test performed and makes no warranty of any kind expressed or implied with regard to the documentation contained in this CD Agilent Technologies Inc shall not be liable in any event for incidental or consequential damages in connection with or arising out of the use of the proce dures outlined in this CD All products or services mentioned in this CD are the trademarks or service marks of their respective compa nies or organizations All rights reserved No part of this CD may be repro duced in any form or by any means without permission in writing from Agilent Technologies Inc Produced in the United States of America ISBN 0 9703331 1 0 Autor Othmar Kyas TECHNICAL CONTRIBUTORS Bill Message Gregan Crawford Thomas Heim Luis Hernandez Raul Sitavi Peter Scharpfenecker Roland Tscheinig Christopher Semturs Hans Juergen
14. ide Area Networks Signal Condition Measurements Switching Delay Measurements Protocol Analysis and Statistical Measurements Out of Service Testing in Wide Area Networks Bit Error Rate Measurement Signal Distortion Measurement Testing Electrical Communication Lines Interference Measurements for Electrical Communication Lines Measurements and Interference in Fiber Optic Links Conformance and Interoperability Testing Load Tests Fundamentals of Testing in Local Area Networks ssssssesesseseseeeees Basic Concepts Local Area Network Topologies Bus Ring Switch Standards for Local Area Data Networks In Service Testing in Local Area Networks Signal Condition Measurements Protocol Analysis and Statistical Measurements Out of Service Measurements in Local Area Networks 106 107 107 112 114 116 118 118 120 123 124 131 132 132 132 135 5 3 1 5 3 2 5 3 3 5 3 4 Section Il 6 6 1 6 1 1 6 1 2 6 1 3 6 2 6 2 1 6 2 2 6 2 3 6 3 6 3 1 6 3 2 6 3 3 7 71 71 1 7 1 2 7 1 3 7 1 4 7 1 5 7 1 6 7 2 7 2 1 7 2 2 7 2 3 7 24 7 2 5 7 2 6 7 2 7 7 28 7 2 9 7 2 10 CONTENTS Cable Testing Detecting External Interference Conformance and Interoperability Testing Load Tests Troubleshooting Local Area Networks sscscsessseseseseesseseseeeesaesesees Cable Infrastructures in Local Area Networks c0sssssssesssees Coaxial Cable Coaxial Cable Specification and Implem
15. ment Packets TCP Window Size too Large 660 660 661 661 661 662 662 663 664 664 664 665 666 666 666 667 667 667 668 668 668 668 669 669 671 671 671 671 671 672 672 672 672 673 673 673 673 674 674 674 674 674 15 A 21 18 A 21 19 A 21 20 A 21 21 A 22 A 23 A 23 1 A 23 2 A 23 3 A 24 A 24 1 A 24 2 A 25 A 25 1 A 25 2 D 3 1 D 3 2 D 4 CONTENTS l FTP Service Unavailable or Not Working 675 Telnet Service not Available 675 OSPF Routing Problems 675 RIP Problems 675 Common Errors in IP Networks 676 Symptoms and Causes Network Services and Applications in General 678 Application Looping 678 Application Slow 678 Connection Timeouts 678 Symptoms and Causes FTP and Telnet 678 No Connection to FTP Telnet Server 678 FTP Telnet Connection Timeouts 679 Symptoms and Causes Mail 679 Problems Sending and Receiving Mail 679 Slow Mail Exchange 679 Connector Pin Layouts ssssesssssssssssenesnnsnssnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnanna 681 10 100 1 000 MBit s Ethernet 681 Token Ring 682 FDDI 682 ATM 683 ISDN 684 V and X Series Interfaces 687 Tables for Network Design and Operation s cccssssssseeesessseseeestseeeeeees 691 Transmission Delays in LANs 691 Ethernet 692 Parameters for 10 Mbit s Ethernet Operation 694 Parameters for 100 Mbit s Ethernet Operation 695 Parameters for Gigabit Ethernet Operation 698 Token Ring 699 FDDI 702 ATM 703 ATM Transmission Dela
16. ommon Errors in Token Ring Networks Symptoms and Causes FDDI Frequent Ring Re initialization High Bit Error Rate Detected by LEM Large Number of Status Report Frames High Numbers of Claim Frames High Checksum Error Rates FCS Errors FDDI Frames with the Error Bit Set Oversized Data Packets Length Error Bit Set Token Rotation Time is too Long Invalid Frames Violation Frames Interface Overflow Wedged Interface Common Errors in FDDI Networks Symptoms and Causes ATM No Connection over a PVC No Connection over SVC UNI Signaling Problems High Cell Error Rate CER High Cell Loss Ratio CLR High Cell Misinsertion Rate CMR High Mean Cell Transfer Delay MCTD High Cell Delay Variation CDV No Connection over Emulated LAN ELAN No Connection over PNNI Network Loss of ATM Connections Common Errors in ATM Networks Symptoms and Causes LAN Switching No Connection Between Segments Linked by a LAN Switch 643 644 644 644 645 645 646 646 646 646 647 648 648 648 648 649 649 650 651 651 651 652 652 652 652 652 652 653 654 655 655 655 655 655 656 656 656 656 657 657 658 659 659 14 A 9 2 A 9 3 A 10 A 11 A 11 1 A 11 2 A 11 3 A 12 A 13 A 13 1 A 13 2 A 14 A 15 A 15 1 A 15 2 A 16 A 17 A 17 1 A 17 2 A 18 A 19 A 19 1 A 19 2 A 20 A 21 A 21 1 A 21 2 A 21 3 A 21 4 A 21 5 A 21 6 A 21 7 A 21 8 A 21 9 A 21 10 A 21 11 A 21 12 A 21 13 A 21 14 A 21 15 A 21 16
17. ous Transfer Mode ATM The ATM Layer Model The ATM Physical Layer The ATM Layer The ATM Adaptation Layer AAL CONTENTS l 224 228 238 240 242 243 243 244 246 250 250 251 252 255 255 aana 263 263 265 269 277 283 284 285 285 285 288 290 291 291 293 293 sissasasadsaderssaennec 297 297 298 299 301 301 303 305 328 346 10 1 9 10 1 10 10 1 11 10 1 12 10 2 10 2 1 10 2 2 10 2 3 10 2 4 10 2 5 10 2 6 10 2 7 11 11 1 11 2 11 3 11 3 1 11 3 2 11 3 3 11 3 4 Section Ill 12 12 1 12 1 1 12 1 2 12 2 12 2 1 12 2 2 12 3 12 4 12 4 1 12 4 2 12 4 3 13 13 1 13 2 13 3 13 3 1 13 3 2 ATM Signaling ATM Interworking Design Rules for ATM Networks ATM Standards Troubleshooting ATM Troubleshooting the Physical Layer Troubleshooting the ATM Layer Troubleshooting Higher Layers Cabling Problems Problems with ATM Interface Cards Problems with Routers Symptoms and Causes ATM Switched LANS sssssusussusesenusnnnnununununnnununnnnnnananunnnununununannnnnanan Switched LANs Specification and Implementation Design Guidelines for Switched LANs Troubleshooting in Switched LANs Gathering Information on Symptoms and Recent Changes Starting the Troubleshooting Procedure Error Symptoms in Switched Networks Symptoms and Causes LAN Switching ISDN Specification and Implementation ISDN Interface Reference Model The ISDN Protocol Design Guidelines for ISDN Basic Rate
18. r Kyas by email at Othmar_Kyas Agilent com Bitt Mortimer Vice PRESIDENT AND GENERAL MANAGER COMMUNICATIONS SERVICES SOLUTIONS AGILENT TECHNOLOGIES INC 997 About the Author Othmar Kyas is the Product Marketing Section Manager for the Network Systems Test Division of Agilent Technologies With over 11 years at Agilent formerly Hewlett Packard Othmar has led the way in developing Agilent s telecommuni cations products Othmar holds an M S degree in Electrical Engineering from the University of Technology Vienna which has enabled him to contribute significantly to Agilent s product offerings in WAN LAN and ATM technologies In addition to speaking at seminars and trade shows Othmar is recognized internationally as a renowned author of several books in data communications and telecommunications Many of these have been translated into Japanese Danish Russian English and German Books authored by Othmar include the following e ATM Networks Internet Security e Corporate Intranets e Fast Ethernet e Internet for Professionals e LAN WAN Troubleshooting
19. tware Services and Service Level Agreements Network Planning and Documentation Network Management Tools Monitoring and Diagnostic Tools Regular Network Audits Physical Layer Audit Data Link Layer Audit Network Layer Audit Network Simulation Tools Change Management and Problem Solving 2 9 2 10 3 1 3 1 1 3 1 2 3 1 3 3 2 1 3 2 2 3 2 3 3 2 4 4 1 4 1 1 4 1 2 4 1 3 4 1 4 4 1 5 4 1 6 4 2 4 2 1 4 2 2 4 2 3 4 3 4 3 1 4 3 2 4 3 3 4 3 4 4 3 5 4 3 6 4 3 7 5 1 5 1 1 5 1 2 5 2 5 2 1 5 2 2 5 3 CONTENTS Documentation of Network Problems Network Support Staff Training Diagnostic TOONS si icicicscaiscseicinccacsvicivsceccecessinssctecacaesecsesteccancceresecincvesesencxecesesesoncits Tactical Test Systems Tactical Test Systems for Physical Parameters in Local Area Networks Tactical Test Systems for Physical Parameters in Wide Area Networks Tactical Test Systems for OSI Layers 2 7 Strategic Test Systems SNMP and Management Information Bases MIBs RMON Remote Monitoring Systems Strategic Systems Based on Software Agents Network Management Systems Fundamentals of Testing in Wide Area Networks sssesesesseseseeteees Basic Concepts Capacity of Data Lines Analog Data Communications Broadband Systems Digital Data Communications Baseband Systems Data Communications over Fiber Optic Links Synchronous and Asynchronous Data Communications The Decibel In Service Testing in W
20. ys 704 ISDN 705 LAN Cable Installation Tables csscsssssssesessssesesessssessseeeesesesesesteseeeeeeaees 707 Connection Categories ISO IEC DIS 11801 707 Specifications for Backbone Media TIA EIA 568 707 Copper Cable Parameters 708 Basic Link Parameters TIA TSB 67 708 Channel Link Parameters TIA TSB 67 709 Fiber Optic Parameters 711 16 Decibel Tables Cabling Newsgroup Ethernet Tables ccccssssssssssssssssssesssssesserseesessessensessessaes Ethernet IEEE 802 3 Ethertype Field Coding Service Access Points SAPs Ethernet Multicast and Broadcast Address Tables Organizationally Unique Identifier OUI OUI Codes Sorted by Address Novell Tables ccccssssssssssssssssssssssssssssessessnssessersnssesseesees IP TCP Tables ccccccssscsssssssssssscsssssssssssssessssessssassevassnvans IP Protocol Assignments Selected ICMP Port Assignments TCP UDP Port Assignments Well Known Port Numbers Registered Port Numbers Dec Hex ASCII EBCDIC Conversion Table 0 Stalin ar i scssss asec sche cscincveveiverdascavistecetsecsivatscicsesssiaraesaneaieae 10 100 1 000 MBit s Ethernet Token Ring FDDI ATM ITU T Series I Integrated Services Digital Network ITU T Series Q Switching and signalling ATM Forum Standards Frame Relay ITU ANSI Frame Relay Forum SDH SONET PDH ITU ANSI Internet Protocols Internet Addresses and Newsgroups s Troubleshooting Standards and
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