Internetwork Design Guide Internetwork Design Guide ● About this Document ● Introduction ● Internetworking Design Basics ● Designing Large-Scale IP Internetworks ● Designing SRB Internetworks ● Designing SDLC, SDLLC, and QLLC Internetworks ● Designing APPN Internetworks ● Designing DLSw+ Internetworks ● Designing ATM Internetworks ● Designing Packet Service Internetworks ● Designing DDR Internetworks ● Designing ISDN Internetworks ● Designing Switched LAN Internetworks ● Designing Internetworks for Multimedia ● Appendix A: Subnetting an IP Address Space ● Appendix B: IBM Serial Link Implementation Notes ● Appendix C: SNA Host Configuration for SRB Networks ● Appendix D: SNA Host Configuration for SDLC Networks ● Appendix E: Broadcasts in Switched LAN Internetworks ● Appendix F: References and Recommended Reading Copyright 1989-2000 © Cisco Systems Inc http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/index.htm [12/13/2000 8:53:55 PM] Cisco Connection Documentation We welcome your 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Documentation CD-ROM, the Product Catalog CD-ROM, Packet Magazine (10 Pack), or the Cisco Product Quick Reference Guide (CPQRG), click here Copyright 1989-2000 © Cisco Systems Inc http://www.cisco.com/univercd/home/home.htm (2 of 2) [12/13/2000 8:53:57 PM] Technology Information Technology Information ● Internetworking Technology Overview ● Internetworking Terms and Acronyms ● Internetwork Design Guide ● Internetwork Troubleshooting Guide ● Internetworking Case Studies ● Cisco Pre-Installation Card ● Technology Design Guides ● Internetworking Solutions Guides Copyright 1989-2000 © Cisco Systems Inc http://www.cisco.com/univercd/cc/td/doc/cisintwk/index.htm [12/13/2000 8:53:58 PM] Internetworking Terms and Acronyms Internetworking Terms and Acronyms ● Introduction ● Numerics ● A ● B ● C ● D ● E ● F ● G ● H ● I ● J ● K ● L ● M ● N ● O ● P ● Q ● R ● S ● T ● U ● V ● W ● X http://www.cisco.com/univercd/cc/td/doc/cisintwk/ita/index.htm (1 of 2) [12/13/2000 8:53:59 PM] Internetworking Terms and Acronyms ● Z ● Cisco Systems Terms and Acronyms ● ITA New Terms October 2000 Copyright 1989-2000 © Cisco Systems Inc http://www.cisco.com/univercd/cc/td/doc/cisintwk/ita/index.htm (2 of 2) [12/13/2000 8:53:59 PM] Internetwork Troubleshooting Guide Internetwork Troubleshooting Guide ● Troubleshooting Overview ● Troubleshooting Tools ● Troubleshooting Hardware and Booting Problems ● Troubleshooting Ethernet ● Troubleshooting Fiber Distributed Data Interface ● Troubleshooting Token Ring ● Troubleshooting TCP/IP ● Troubleshooting Novell IPX ● Troubleshooting AppleTalk ● Troubleshooting IBM ● Troubleshooting DECnet ● Troubleshooting ISO CLNS ● Troubleshooting Banyan VINES ● Troubleshooting XNS ● Troubleshooting Serial Line Problems ● Troubleshooting Dialin Connections ● Troubleshooting ISDN Connections ● Troubleshooting Frame Relay Connections ● Troubleshooting X.25 Connections ● Troubleshooting Transparent Bridging Environments ● Troubleshooting ATM Switching Environments ● Troubleshooting LAN Switching Environments ● Troubleshooting CiscoWorks Problems ● Troubleshooting Security Implementations ● Creating Core Dumps http://www.cisco.com/univercd/cc/td/doc/cisintwk/itg_v1/index.htm (1 of 2) [12/13/2000 8:54:01 PM] Internetwork Troubleshooting Guide ● Memory Maps ● Technical Support Information ● References and Recommended Reading ● Troubleshooting Worksheets ● Preface Copyright 1989-2000 © Cisco Systems Inc http://www.cisco.com/univercd/cc/td/doc/cisintwk/itg_v1/index.htm (2 of 2) [12/13/2000 8:54:01 PM] Cisco - Feedback Content-Type: text/html CCO User Satisfaction Survey Please select a survey Did this (or your previous) CCO visit save you a call to Cisco? Yes No Category Overall satisfaction with Cisco's web site (CCO)?: Your feedback is vital to our goal of making CCO the most useful CCO's ability to help you: and informative website on the planet Please let us know CCO's breadth of how we are doing and, information & services: more importantly, what we can improve CCO's perceived speed or responsiveness: CCO's Navigation features : Satisfaction Rating Satisfaction? Importance ? Satisfaction ? Importance ? Satisfaction ? Importance ? Satisfaction ? Importance ? Satisfaction ? Importance ? CCO's Search Engine : Satisfaction ? Importance ? How can we improve the site? Name: Company: http://www.cisco.com/feedback/ (1 of 2) [12/13/2000 8:54:04 PM] Cisco - Feedback Email: Phone: Please contact me regarding the above issue Submit Reset http://www.cisco.com/feedback/ (2 of 2) [12/13/2000 8:54:04 PM] Appendix E: Broadcasts in Switched LAN Internetworks Multicast packets had a slightly worse effect than broadcast packets Figure E-2: Effect of broadcast radiation on hosts in Novell networks Table E-2 shows the average and peak number of broadcasts and multicasts for Novell networks ranging from 100 to 10,000 hosts per network Table E-2: Average Number of Broadcasts and Multicasts for Novell Networks Number of Hosts 100 1000 10,000 Average Percentage of CPU Loss per Host 12 22 3.15 The results listed in Table E-2 represent multihour, average operation Peak traffic load and CPU loss per workstation can be orders of magnitude greater than with average traffic loads A common scenario is that at a.m on Monday, everyone starts their computers Normally, in circumstances with an average level of utilization or demand, the network can handle a reasonable number of stations However, in circumstances in which everyone requires service at once (a demand peak), the available network capacity can support a much lower number of stations In determining network capacity requirements, peak demand levels and duration can be more important than average serviceability requirements Using Broadcasts with AppleTalk Networks AppleTalk uses multicasting extensively to advertise services, request services, and resolve addresses On startup, an AppleTalk host transmits a series of at least 20 packets aimed at resolving its network address (a Layer AppleTalk node number) and obtaining local "zone" information Except for the first http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd20e.htm (4 of 6) [12/13/2000 9:00:55 PM] Appendix E: Broadcasts in Switched LAN Internetworks packet, which is addressed to itself, these functions are resolved through AppleTalk multicasts In terms of overall network traffic, the AppleTalk Chooser is particularly broadcast intensive The Chooser is the software interface that allows the user to select shared network services It uses AppleTalk multicasts to find file servers, printers, and other services When the user opens the Chooser and selects a type of service (for example, a printer), the Chooser transmits 45 multicasts at a rate of one packet per second If left open, the Chooser sends a five-packet burst with a progressively longer delay If left open for several minutes, the Chooser reaches its maximum delay and transmits a five-packet burst every 270 seconds By itself, this does not pose a problem, but in a large network, these packets add to the total amount of broadcast radiation that each host must interpret and then discard Other AppleTalk protocols, such as the Name Binding Protocol, which is used to bind a client to a server, and the Router Discovery Protocol, a RIP implementation that is transmitted by all routers and listened to by each station, are broadcast intensive The system in it called AutoRemounter (part of the Macintosh operating system) is also broadcast intensive Note The AppleTalk stack is more efficient than the Novell stack because the AppleTalk stack discards non-AppleTalk broadcasts earlier than the Novell stack discards non-Novell broadcasts Figure E-3 shows the results of tests that Cisco conducted on the effect of broadcast radiation on the performance of a Power Macintosh 8100 and a Macintosh IIci Both CPUs were measurably affected by as few as 15 broadcast or multicast frames per second Figure E-3: Effect of broadcast radiation on hosts in AppleTalk networks Table E-3 shows the average and peak number of broadcasts and multicasts for AppleTalk networks ranging from 100 to 10,000 hosts per network Table E-3: Average Number of Broadcasts and Multicasts for AppleTalk Networks Number of Hosts Average Percentage of CPU Loss per Host 100 28 1,000 2.10 Peak Percentage of CPU Loss per Host 6.00 58.00 http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd20e.htm (5 of 6) [12/13/2000 9:00:55 PM] Appendix E: Broadcasts in Switched LAN Internetworks 10,000 16.94 100.00 Slow LocalTalk-to-Ethernet connection devices are a major problem in large-scale AppleTalk networks These devices fail in large AppleTalk networks because they have limited ARP caches and can process only a few broadcasts per second Major broadcast storms arise when these devices lose their capability to receive Routing Table Maintenance Protocol (RTMP) updates After this occurs, these devices send ARP requests for all known devices, thereby accelerating the network degradation because they cause their neighbor devices to fail and send their own ARP requests Using Broadcasts with Multiprotocol Networks The following can be said about the interaction of AppleTalk, IPX, and IP: ● AppleTalk stacks ignore any other Layer protocol ● AppleTalk and IP broadcast and multicast packets affect the operation of IP and IPX stacks AppleTalk and IP packets enter the stack and then are discarded, which consumes CPU resources These findings show that AppleTalk has a cumulative effect on IPX and IP networks Copyright 1989-1998 © Cisco Systems Inc http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd20e.htm (6 of 6) [12/13/2000 9:00:55 PM] Appendix F: References and Recommended Reading Table of Contents References and Recommended Reading Books and Periodicals Technical Publications and Standards References and Recommended Reading Books and Periodicals Apple Computer, Inc AppleTalk Network System Overview Reading, Massachusetts: Addison-Wesley Publishing Company, Inc.; 1989 Apple Computer, Inc Planning and Managing AppleTalk Networks Reading, Massachusetts: Addison-Wesley Publishing Company, Inc.; 1991 Black, U Data Networks: Concepts, Theory and Practice Englewood Cliffs, New Jersey: Prentice Hall; 1989 Black, U Physical Level Interfaces and Protocols Los Alamitos, California: IEEE Computer Society Press; 1988 Case, J.D., J.R Davins, M.S Fedor, and M.L Schoffstall "Network Management and the Design of SNMP." ConneXions: The Interoperability Report, Vol 3: March 1989 Case, J.D., J.R Davins, M.S Fedor, and M.L Schoffstall "Introduction to the Simple Gateway Monitoring Protocol." IEEE Network: March 1988 Clark, W "SNA Internetworking." ConneXions: The Interoperability Report, Vol 6, No 3: March 1992 Coltun, R "OSPF: An Internet Routing Protocol." ConneXions: The Interoperability Report, Vol 3, No 8: August 1989 Comer, D.E Internetworking with TCP/IP: Principles, Protocols, and Architecture, Vol I, 2nd ed Englewood Cliffs, New Jersey: Prentice Hall; 1991 Davidson, J An Introduction to TCP/IP New York, New York: Springer-Verlag; 1992 Ferrari, D Computer Systems Performance Evaluation Englewood Cliffs, New Jersey: Prentice Hall; 1978 http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd20f.htm (1 of 6) [12/13/2000 9:01:13 PM] Appendix F: References and Recommended Reading Garcia-Luna-Aceves, J.J "Loop-Free Routing Using Diffusing Computations." IEEE/ACM Transactions on Networking, Vol 1, No 1, 1993 Green, J.K Telecommunications, 2nd ed Homewood, Illinois: Business One Irwin; 1992 Hagans, R "Components of OSI: ES-IS Routing." ConneXions: The Interoperability Report, Vol 3, No 8: August 1989 Hares, S "Components of OSI: Inter-Domain Routing Protocol (IDRP)." ConneXions: The Interoperability Report, Vol 6, No 5: May 1992 Jones, N.E.H and D Kosiur Macworld Networking Handbook San Mateo, California: IDG Books Worldwide, Inc.; 1992 Joyce, S.T and J.Q Walker II "Advanced Peer-to-Peer Networking (APPN): An Overview." ConneXions: The Interoperability Report, Vol 6, No 10: October 1992 Kousky, K "Bridging the Network Gap." LAN Technology, Vol 6, No 1: January 1990 LaQuey, Tracy The Internet Companion: A Beginner's Guide to Global Networking, Reading, Massachusetts: Addison-Wesley Publishing Company, Inc.; 1994 Leinwand, A and K Fang Network Management: A Practical Perspective Reading, Massachusetts: Addison-Wesley Publishing Company, Inc.; 1993 Lippis, N "The Internetwork Decade." Data Communications, Vol 20, No 14: October 1991 McNamara, J.E Local Area Networks Digital Press, Educational Services, Digital Equipment Corporation, 12 Crosby Drive, Bedford, MA 01730 Malamud, C Analyzing DECnet/OSI Phase V New York, New York: Van Nostrand Reinhold; 1991 Malamud, C Analyzing Novell Networks New York, New York: Van Nostrand Reinhold; 1991 Malamud, C Analyzing Sun Networks New York, New York: Van Nostrand Reinhold; 1991 Martin, J SNA: IBM's Networking Solution Englewood Cliffs, New Jersey: Prentice Hall; 1987 Martin, J., with K.K Chapman and the ARBEN Group, Inc Local Area Networks Architectures and Implementations Englewood Cliffs, New Jersey: Prentice Hall; 1989 Medin, M "The Great IGP Debate -Part Two: The Open Shortest Path First (OSPF) Routing Protocol." ConneXions: The Interoperability Report, Vol 5, No 10: October 1991 Meijer, A Systems Network Architecture: A tutorial New York, New York: John Wiley & Sons, Inc.; 1987 Miller, M.A LAN Protocol Handbook San Mateo, California: M&T Books; 1990 Miller, M.A LAN Troubleshooting Handbook San Mateo, California: M&T Books; 1989 O'Reilly, T and G Todino Managing UUCP and Usenet, 10th ed Sebastopol, California: O'Reilly & Associates, Inc.; 1992 http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd20f.htm (2 of 6) [12/13/2000 9:01:13 PM] Appendix F: References and Recommended Reading Perlman, R Interconnections: Bridges and Routers Reading, Massachusetts: Addison-Wesley Publishing Company, Inc.; 1992 Perlman, R and R Callon "The Great IGP Debate -Part One: IS-IS and Integrated Routing." ConneXions: The Interoperability Report, Vol 5, No 10: October 1991 Rose, M.T The Open Book: A Practical Perspective on OSI Englewood Cliffs, New Jersey: Prentice Hall; 1990 Rose, M.T The Simple Book: An Introduction to Management of TCP/IP-based Internets Englewood Cliffs, New Jersey: Prentice Hall; 1991 Ross, F.E "FDDI -A Tutorial." IEEE Communications Magazine, Vol 24, No 5: May 1986 Schlar, S.K Inside X.25: A Manager's Guide New York, New York: McGraw-Hill, Inc.; 1990 Schwartz, M Telecommunications Networks: Protocols, Modeling, and Analysis Reading, Massachusetts: Addison-Wesley Publishing Company, Inc.; 1987 Sherman, K Data Communications: A User's Guide Englewood Cliffs, New Jersey: Prentice Hall; 1990 Sidhu, G.S., R.F Andrews, and A.B Oppenheimer Inside AppleTalk, 2nd ed Reading, Massachusetts: Addison-Wesley Publishing Company, Inc.; 1990 Spragins, J.D et al Telecommunications Protocols and Design Reading, Massachusetts: Addison-Wesley Publishing Company, Inc.; 1991 Stallings, W Data and Computer Communications New York, New York: Macmillan Publishing Company; 1991 Stallings, W Handbook of Computer-Communications Standards, Vols 1-3 Carmel, Indiana: Howard W Sams, Inc.; 1990 Stallings, W Local Networks, 3rd ed New York, New York: Macmillan Publishing Company; 1990 Sunshine, C.A (ed.) Computer Network Architectures and Protocols, 2nd ed New York, New York: Plenum Press; 1989 Tannenbaum, A.S Computer Networks, 2nd ed Englewood Cliffs, New Jersey: Prentice Hall; 1988 Terplan, K Communication Networks Management Englewood Cliffs, New Jersey: Prentice Hall; 1992 Tsuchiya, P "Components of OSI: IS-IS Intra-Domain Routing." ConneXions: The Interoperability Report, Vol 3, No 8: August 1989 Tsuchiya, P "Components of OSI: Routing (An Overview)." ConneXions: The Interoperability Report, Vol 3, No 8: August 1989 Zimmerman, H "OSI Reference Model -The ISO Model of Architecture for Open Systems Interconnection." IEEE Transactions on Communications COM-28, No 4: April 1980 http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd20f.htm (3 of 6) [12/13/2000 9:01:13 PM] Appendix F: References and Recommended Reading Technical Publications and Standards Advanced Micro Devices The Supernet Family for FDDI Technical Manual Number 09779A Sunnyvale, California; 1989 - The Supernet Family for FDDI 1989 Data Book Number 09734C Sunnyvale, California; 1989 American National Standards Institute X3T9.5 Committee FDDI Station Management (SMT) Rev 6.1; March 15, 1990 - Revised Text of ISO/DIS 8802/2 for the Second DIS Ballot, "Information Processing Systems -Local Area Networks." Part 2: Logical Link Control 1987-01-14 - T1.606 Integrated Services Digital Network (ISDN) -Architectural Framework and Service Description for Frame-Relaying Bearer Service 1990 - T1.617 Integrated Services Digital Network (ISDN) -Signaling Specification for Frame Relay Bearer Service for Digital Subscriber Signaling System Number (DSS1) 1991 - T1.618 Integrated Services Digital Network (ISDN) -Core Aspects of Frame Protocol for Use with Frame Relay Bearer Service 1991 ATM Data Exchange Interface (DXI) Specification, Version 1.0 Document ATM_FORUM/93-590R1; August 4,1993 Banyan Systems, Inc VINES Protocol Definition DA254-00, Rev 1.0 Westboro, Massachusetts; February 1990 Bellcore Generic System Requirements in Support of a Switched Multi-Megabit Data Service Technical Advisory, TA-TSY-000772; October 1989 - Local Access System Generic Requirements, Objectives, and Interface Support of Switched Multi-Megabit Data Service Technical Advisory TA-TSY-000773, Issue 1; December 1985 - Switched Multi-Megabit Data Service (SMDS) Operations Technology Network Element Generic Requirements Technical Advisory TA-TSY-000774 Chapman, J.T and M Halabi HSSI: High-Speed Serial Interface Design Specification Menlo Park, California and Santa Clara, California: Cisco Systems and T3Plus Networking, Inc.; 1990 Consultative Committee for International Telegraph and Telephone CCITT Data Communications Networks -Services and Facilities, Terminal Equipment and Interfaces, Recommendations X.1-X.29 Yellow Book, Vol VIII, Fascicle VIII.2; 1980 - CCITT Data Communications Networks -Interfaces, Recommendations X.20-X.32 Red Book, Vol VIII, Fascicle VIII.3; 1984 DDN Protocol Handbook Four volumes; 1989 Defense Communications Agency Defense Data Network X.25 Host Interface Specification Order number AD A137 427; December 1983 http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd20f.htm (4 of 6) [12/13/2000 9:01:13 PM] Appendix F: References and Recommended Reading Digital Equipment Corporation DECnet/OSI Phase V: Making the Transition from Phase IV EK-PVTRN-BR; 1989 - DECserver 200 Local Area Transport (LAT) Network Concepts AA-LD84A-TK; June 1988 - DIGITAL Network Architecture (Phase V) EK-DNAPV-GD-001; September 1987 Digital Equipment Corporation, Intel Corporation, Xerox Corporation The Ethernet, A Local-Area Network, Data Link Layer and Physical Layer Specifications Ver 2.0; November 1982 Feinler, E.J., et al DDN Protocol Handbook, Vols 1-4, NIC 50004, 50005, 50006, 50007 Defense Communications Agency Alexandria, Virginia; December 1985 Garcia-Luna-Aceves, J.J "A Unified Approach to Loop-Free Routing Using Distance Vectors or Link States." ACM 089791-332-9/89/0009/0212, pp 212-223; September 1989 Hemrick, C and L Lang "Introduction to Switched Multi-megabit Data Service (SMDS), an Early Broadband Service." Proceedings of the XIII International Switching Symposium (ISS 90), May 27-June 1, 1990 Hewlett-Packard Company X.25: The PSN Connection; An Explanation of Recommendation X.25 5958-3402; October 1985 IEEE 802.2 -Local Area Networks Standard, 802.2 Logical Link Control ANSI/IEEE Standard; October 1985 IEEE 802.3 -Local Area Networks Standard, 802.3 Carrier Sense Multiple Access ANSI/IEEE Standard; October 1985 IEEE 802.5 -Local Area Networks Standard, 802.5 Token Ring Access Method ANSI/IEEE Standard; October 1985 IEEE 802.6 -Local & Metropolitan Area Networks Standard, 802.6 Distributed Queue Dual Bus (DQDB) Subnetwork of a Metropolitan Area Network (MAN) ANSI/IEEE Standard; December 1990 International Business Machines Corporation ACF/NCP/VS network control program, system support programs: general information GC30-3058 - Advanced Communications Function for VTAM (ACF/VTAM), general information: introduction GS27-0462 - Advanced Communications Function for VTAM, general information: concepts GS27-0463 - Dictionary of Computing SC20-1699-7; 1987 - Local Area Network Technical Reference SC30-3883 - Network Problem Determination Application: general information GC34-2010 - Synchronous Data Link Control: general information GA27-3093 - Systems Network Architecture: concepts and products GC30-3072 http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd20f.htm (5 of 6) [12/13/2000 9:01:13 PM] Appendix F: References and Recommended Reading - Systems Network Architecture: technical overview GC30-3073-1; 1985 - Token-Ring Network Architecture Reference SC30-3374 - Token-Ring Problem Determination Guide SX27-3710-04; 1990 International Organization for Standardization Information Processing System -Open System Interconnection; Specification of Abstract Syntax Notation One (ASN.1) International Standard 8824; December 1987 McGraw-Hill/Data Communications McGraw-Hill's Compilation of Data Communications Standards Edition III; 1986 National Security Agency Blacker Interface Control Document March 21, 1989 Novell, Inc IPX Router Specification, Version 1.10 Part Number 107-000029-001 October 16, 1992 - NetWare Link Services Protocol (NLSP) Specification, Revision 0.9 Part Number 100-001708-001 March 1993 StrataCom Frame Relay Specification with Extensions 001-208966, Rev.1.0; September 18, 1990 Xerox Corporation Internet Transport Protocols XNSS 029101; January 1991 Copyright 1989-1998 © Cisco Systems Inc http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd20f.htm (6 of 6) [12/13/2000 9:01:13 PM] Copyright and License Information Copyright and License Information Portions of online documents can be copied and pasted to your electronic mail or word-processing applications for your personal use only, but cannot be distributed to third parties In no event may you copy or use this information for any commercial purposes except the operation of Cisco products and you may not transmit this information to third parties without Cisco's consent IT IS ILLEGAL TO 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able to operate the Software without problems or interruptions Hardware Cisco warrants that for a period of ninety (90) days from the date of shipment from Cisco the Hardware will be free from defects in material and workmanship under normal use This limited warranty extends only to Customer as original purchaser Customer's exclusive remedy and the entire liability of Cisco and its suppliers under this limited warranty will be, at Cisco's or its service center's option, shipment of an advance replacement within five (5) working days at Cisco's expense, or a refund of the purchase price if the Hardware is returned to the party supplying it to Customer, freight and insurance prepaid Cisco replacement parts used in Hardware repair may be new or equivalent to new Restrictions This warranty does not apply if the product (a) has been altered, except by Cisco, (b) has not been installed, operated, repaired, or maintained in accordance with instructions supplied by Cisco, (c) has been subjected to abnormal physical or electrical stress, misuse, negligence, or accident, or (d) is used in ultrahazardous activities http://www.cisco.com/univercd/cc/lib/copyrght.htm (2 of 5) [12/13/2000 9:01:31 PM] Copyright and License Information DISCLAIMER OF WARRANTY EXCEPT AS SPECIFIED IN THIS WARRANTY, ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS, AND WARRANTIES INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE, ARE HEREBY EXCLUDED TO THE EXTENT ALLOWED BY APPLICABLE LAW IN NO EVENT WILL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY LOST REVENUE, PROFIT, OR DATA, OR FOR SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL, OR PUNITIVE DAMAGES HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY ARISING OUT OF THE USE OF OR INABILITY TO USE THE PRODUCT EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES In no event shall Cisco's or its suppliers' liability to Customer, whether in contract, tort (including negligence), or otherwise, exceed the price paid by Customer The foregoing limitations shall apply even if the above-stated warranty fails of its essential purpose The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequency energy If it is not installed in accordance with Cisco's installation instructions, it may cause interference with radio and television reception This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules These specifications are designed to provide reasonable protection against such interference in a residential installation However, there is no guarantee that interference will not occur in a particular installation You can determine whether your equipment is causing interference by turning it off If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures: · Turn the television or radio antenna until the interference stops · Move the equipment to one side or the other of the television or radio · Move the equipment farther away from the television or radio · Plug the equipment into an outlet that is on a different circuit from the television or radio (That is, make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses.) Modifications to this product not authorized by Cisco Systems, Inc could void the FCC approval and http://www.cisco.com/univercd/cc/lib/copyrght.htm (3 of 5) [12/13/2000 9:01:31 PM] Copyright and License Information negate your authority to operate the product The following third-party software may be included with your product and will be subject to the software license agreement: CiscoWorks software and documentation are based in part on HP OpenView under license from the Hewlett-Packard Company HP OpenView is a trademark of the Hewlett-Packard Company Copyright © 1992, 1993 Hewlett-Packard Company The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB's public domain version of the UNIX operating system All rights reserved Copyright © 1981, Regents of the University of California Network Time Protocol (NTP) Copyright © 1992, David L Mills The University of Delaware makes no representations about the suitability of this software for any purpose Point-to-Point Protocol Copyright © 1989, Carnegie-Mellon University All rights reserved The name of the University may not be used to endorse or promote products derived from this software without specific prior written permission The Cisco implementation of TN3270 is an adaptation of the TN3270, curses, and termcap programs developed by the University of California, Berkeley (UCB) as part of UCB's public domain version of the UNIX operating system All rights reserved Copyright © 1981-1988, Regents of the University of California Cisco incorporates Fastmac and TrueView software and the RingRunner chip in some Token Ring products Fastmac software is licensed to Cisco by Madge Networks Limited, and the RingRunner chip is licensed to Cisco by Madge NV Fastmac, RingRunner, and TrueView are trademarks and in some jurisdictions registered trademarks of Madge Networks Limited Copyright © 1995, Madge Networks Limited All rights reserved XRemote is a trademark of Network Computing Devices, Inc Copyright © 1989, Network Computing Devices, Inc., Mountain View, California NCD makes no representations about the suitability of this software for any purpose The X Window System is a trademark of the X Consortium, Cambridge, Massachusetts All rights reserved NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED "AS IS" WITH ALL FAULTS CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES http://www.cisco.com/univercd/cc/lib/copyrght.htm (4 of 5) [12/13/2000 9:01:31 PM] Copyright and License Information AccessPath, AtmDirector, Cache Director System, CD-PAC, Cisco IOS, the Cisco IOS logo, CiscoLink, the Cisco Powered Network logo, ClickStart, ControlStream, FastMate, Fast Step, FragmentFree, IGX, JumpStart, LAN2LAN Enterprise, LAN2LAN Remote Office, MICA, NetBeyond, NetFlow, Netsys Technologies, Packet, PIX, Point and Click Internetworking, RouteStream, SMARTnet, Speed, StrataSphere, StrataSphere BILLder, StrataSphere Connection Manager, StrataSphere Modeler, StrataSphere Optimizer, Stratm, StreamView, SwitchProbe, The Cell, TokenSwitch, TrafficDirector, VirtualStream, VlanDirector, Workgroup Director, Workgroup Stack, and XCI are trademarks; The Network Works No Excuses is a service mark; and BPX, Catalyst, Cisco, Cisco Systems, the Cisco Systems logo, CollisionFree, EtherChannel, FastHub, FastLink, FastNIC, FastPacket, FastSwitch, ForeSight, IPX, LightStream, OptiClass, Personal Ethernet, Phase/IP, StrataCom, and StrataView Plus are registered trademarks of Cisco Systems, Inc in the U.S and certain other countries All other trademarks mentioned in this document are the property of their respective owners Copyright 1988-2000 © Cisco Systems Inc http://www.cisco.com/univercd/cc/lib/copyrght.htm (5 of 5) [12/13/2000 9:01:31 PM] Cisco Connection Online by Cisco Systems, Inc Search More Options | Help Go Cisco Unveils 2001 Market Strategy at Annual Analyst Conference 10 results Cisco Networking Solutions Go Overview, Internet Business Solutions, Large Corporations, Internet Communications Software, Small/Medium Business, Service Providers, Home Networking, Government, Education Online Ordering Ordering Information & Assistance Finance Your Network Solutions Training/Certifications Networkers Seminars, Events E-Learning Cisco Product Categories Go Products Technologies Technical Support Help Cisco TAC Technical Documents Software Center Service Contract Center Service & Support Solutions Login, Become a Reseller Selling Value Find a Partner/Reseller Strategic Alliances Partner E-Learning Connection About Cisco, Contact Cisco Investor Relations Industry Analysts Government Affairs, Find a Job News/Press and Publications All contents copyright © 1992 2000 Cisco Systems, Inc Important Notices and Privacy Statement http://www.cisco.com/ [12/13/2000 9:01:36 PM] ... internetworking examples Internetworking Technology Overview Internetworking Terms and Acronyms Internetwork Design Guide Internetwork Troubleshooting Guide Internetworking Solutions Guides Internetworking... 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