Case 8000 Series Manuale utente
Series 8000 Router
Reference Manual
(Release 2.1)
©Case Communications Ltd 1997
X870-300351 Issue 1 0-1 Rev.0
Unit 15, Riverside Business Centre, Victoria Street, High Wycombe, Bucks HP11 2LT
Tel (UK): 08700 263 740 Tel (International): +44 (0) 1494 833 740
Fax (UK): 08700 263 741 Fax (International): +44 (0) 1494 833 741
STATUTORYNOTICES
WARNINGS
The 8325/8425/8525 basic units have a removable dress panel fitted
to the front of the unit and removable blanking plates fitted at the
rear. These panels may only be removed by suitably qualified
personnel for installation or maintenance purposes, and must be
replaced afterwards. Removal under any other circumstance
would invalidate the RFI (Radio Frequency Interference) and safety
type approvals.
Case Communications Limited has made all reasonable efforts to ensure the accuracy of the content of this document but the
information contained herein does not constitute a warranty of performance of the equipment and/or software described and no
specifications given form part of any contract. This document does not constitute a licence to use or copy any software described
herein and any such software must only be used in accordance with the terms of the licence supplied therewith.
Case Communications Limited reserves the right to make alterations to the equipment and software described without notice and
assumes no liability for any loss or damage caused as a result of use of this document whether because of out of date or inaccurate
information or otherwise.
Product and manufacturers' names referred to in this document are used for identification purposes only and Case Communications
Limited acknowledges the intellectual property rights of their respective owners in the same
.
This document is the copyright of Case Communications Limited and may not be reproduced, copied or stored in any computerised
retrieval system by any means whatsoever without the express written permission of Case Communications Limited.
Published by Case Communications Technical Publications Department
X870-300351 Issue 1 0-2 Rev.0
Preface
This manual provides information for X.25 network
supervisors to install and set up the Router module. It
forms part of the Series 8000 Systems Documentation, and
refers to other manuals in the series. It assumes that you
will already have some knowledge of the Series 8000
system obtained either from the systems documentation or
from a Cray training course.
Chapter 5 provides instructions for users of the Router
module.
A glossary is provided at the end of this manual.
X870-300351 Issue 1 0-3 Rev.0
X870-300351 Issue 1 0-4 Rev.0
Contents
1 Introduction 1-1
1.1 The Router Module 1-1
1.2 IP Routing 1-2
1.3 The Gateway Function of Router 1-5
1.4 Multiple Sessions 1-6
1.5 Services 1-7
1.6 Profiles 1-8
2 Installation 2-1
2.1 Hardware Description 2-1
2.1.1 The 8325 TGate/Router Card 2-1
2.1.2 The 8425/8525 TGate/Router Module 2-2
2.2 LAN Port 2-4
2.3 Installation and Removal 2-5
2.3.1 8325 Card 2-5
2.3.2 8425/8525 Module 2-6
2.4 LPIM Installation and Removal 2-7
2.4.1 LPIM Installation 2-7
2.4.2 LPIM Removal 2-7
2.5 Cabling 2-8
2.5.1 AUI Port 2-8
2.5.2 Cheapernet Port 2-8
2.5.3 Twisted Pair Port 2-9
3 Initial Configuration 3-1
3.1 Control Panel Displays 3-1
3.2 Installing the Application 3-2
3.3 Creating the Router Port 3-3
3.4 Initial Configuration Commands 3-4
3.5 Manager-Defined Terminal Configuration 3-6
4 Manager Procedures 4-1
4.1 Overview 4-1
4.2 How the Manager Works 4-2
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4.2.1 Input 4-2
4.2.2 General Rules 4-2
4.2.3 Using Menus 4-3
4.2.4 Using Forms 4-3
4.2.5 Initial Entry to the Manager 4-6
4.2.6 Menu Hierarchy 4-7
4.3 Main Menu 4-8
4.3.1 Quit Manager 4-8
4.3.2 Logoff from Router 4-8
4.4 Configuration Menu 4-9
4.4.1 Configure General Information Form 4-10
4.4.2 Configure Messages Menu 4-12
4.4.3 Configure Protocols Form 4-13
4.4.4 Configure Profiles Menu 4-15
4.4.5 Configure Services Menu 4-30
4.4.6 Configure Load 4-37
4.4.7 Configure Dump 4-37
4.5 Control Menu 4-38
4.5.1 LAN 4-38
4.5.2 WAN 4-38
4.5.3 SERV 4-39
4.5.4 CLEAR 4-42
4.5.5 TRACE 4-42
4.6 Status Screen 4-43
4.6.1 General Status Menu 4-44
4.6.2 Connection Status/Statistics Menu 4-46
4.6.3 Line Status/Statistics Menu 4-49
4.7 IP Router Screen 4-52
4.7.1 General Router Configuration Form 4-53
4.7.2 Routing Table 4-55
4.7.3 Static/Default Routes Form 4-57
4.7.4 Remote Router Status 4-58
4.7.5 Remote Router Configure 4-60
4.7.6 Configure X.25 Router Form 4-61
4.7.7 MAC, IP and ICMP Statistics 4-62
4.7.8 UDP and RIP Statistics 4-63
4.8 Summary of Manager Commands 4-65
4.9 Item Definitions 4-67
X870-300351 Issue 1 0-6 Rev.0
5 User Procedures 5-1
5.1 The User Environment 5-1
5.1.1 The User Welcome Screen 5-1
5.1.2 User Input 5-2
5.2 User Commands 5-3
5.2.1 Command Specifications 5-3
5.2.2 CALL/CONN/OPEN 5-5
5.2.3 DISC/CLOSE 5-6
5.2.4 QUIT/LOGOFF 5-7
5.2.5 SESSION 5-8
5.2.6 STATUS 5-9
5.2.7 SET 5-10
5.2.8 DIRECTORY/CATALOGUE 5-12
5.2.9 HELP/?5-13
5.2.10 LOGIN/LOGON 5-14
Appendices
A Technical Specifications A-1
A.1 Configuration Limits A-1
A.2 Terminal Types A-1
A.3 Cables A-1
A.4 TGate AUI Port A-2
A.5 TPIM Port A-3
A.6 Standards and Approvals A-4
B Default Configuration B-1
C Ethernet, TCP/IP and RIP C-1
C.1 Ethernet CSMA/CD Baseband C-1
C.2 TCP/IP Protocols C-4
C.3 IEEE 802.3 and Ethernet Differences C-7
C.4 RIP C-9
D ASCII Conversion Table D-1
X870-300351 Issue 1 0-7 Rev.0
E Example Applications E-1
E.1 Example of the Gateway Function of Router E-1
E.2 Example Application of IP Routing E-10
F Failure Codes F-1
G Glossary G-1
H Telnet Printer Application Example S/W Program H-1
Figures
1-1 Typical IP Routing Application 1-3
1-2 Typical Application 1-5
2-1 8325 TGate/Router Card Rear Panel 2-1
2-2 8425/8525 TGate Module Combination 2-2
2-3 8425/8525 TGate/Router Module Rear Panel 2-3
2-4 AUI/LPIM Select Links 2-7
2-5 In-Line Cheapernet 2-8
2-6 Network Termination 2-9
4-1 Menu Hierarchy 4-7
C-1 Ethernet Topology C-2
C-2 TCP/IP Protocol Stack C-4
E-1 Example Bulk Servicing Application E-1
E-2 Example IP Routing Application E-10
Tables
2-1 TGate/Router LPIM Types 2-4
X870-300351 Issue 1 0-8 Rev.0
1 Introduction
1.1 The Router Module
The Router module is a component of the Series 8000 range of X.25
switches.
It provides an IP Routing function which allows transparent routing of IP
frames between the local Ethernet network and remote IP Ethernet
networks via a Series 8000 network. The IP Routing function can support
the routing of all the upper layers of the TCP/IP protocol suite.
The module also provides a gateway function allowing interconnection
between Series 8000 and TCP/IP Ethernet networks.
Physically it comprises a plug-in card which fits into a Series 8000 PSE
taking up a single slot. Connection to the Ethernet 10 Mbps LAN is
through a direct ''tap'' into the LAN cable.
X870-300351 Issue 1 1-1 Rev.0
1.2 IP Routing
IP Routing deals with Internet Protocol (IP) packets, which are the most
common type of LAN network layer packets. IP is part of the TCP/IP
protocol suite. IP Routing in Router allows IP packets to be transparently
passed across the X.25 network to remote Ethernet LAN networks, using
Series 8000 X.25 PSEs to provide the transport medium.
Because the IP packets are routed transparently, any protocol supported by
IP may be transported across the X.25 network.
Router will perform three basis tasks in order to successfully route IP
packets through a given network. Firstly, routing tables will be
maintained and distributed throughout the network, thus allowing all
participating routers to keep track of changes in network topology (refer to
Appendix C for an explanation of the Routing Information Protocol).
Secondly, those tables will be used by Router to take routing decisions
when receiving IP packets whose destination network address does not
correspond to the directly-connected network. Router will then forward
these packets to another router closer to the destination. Thirdly, X.25
calls will be set up and cleared down as required in order to allow IP
packets (including routing information) to be passed to other Routers
across the Wide Area Network, encapsulated in X.25 packets.
Automatic distribution of routing information by each Router can be
achieved by broadcasting such information onto the directly-connected
LAN network, and by sending the information to each of the participating
Routers across the X.25 network.
When a Router is first installed in a network, it has no knowledge of the
existence of the remote Routers in the X.25 network, so the X.121
addresses of these remote Routers will need to be configured manually.
The X.121 addresses will subsequently be used in X.25 call set-ups to the
remote Routers.
Instructions on how to configure a Router to participate in IP Routing can
be found in Section 4.7.
Figure 1-2 shows a typical application of IP Routing allowing data to be
passed between remote IP Ethernet LANs.
X870-300351 Issue 1 1-2 Rev.0
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