IBM Nways 8260 User manual

International Technical Support Organization

8260 Multiprotocol Intelligent Switching Hub

May 1995

GG24-4370-00

International Technical Support Organization

8260 Multiprotocol Intelligent Switching Hub

May 1995

GG24-4370-00

IBML

Take Note!

Before using this information and the product it supports, be sure to read the general information under

“Special Notices” on page xv.

First Edition (May 1995)

This edition applies to the 8260 Multiprotocol Intelligent Switching Hub family.

Order publications through your IBM representative or the IBM branch office serving your locality. Publications

are not stocked at the address given below.

An ITSO Technical Bulletin Evaluation Form for reader′s feedback appears facing Chapter 1. If the form has been

removed, comments may be addressed to:

IBM Corporation, International Technical Support Organization

Dept. 545 Building 657

P.O. Box 12195

Research Triangle Park, NC 27709-2195

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subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp.

Abstract

This document describes the IBM 8260 Multiprotocol Intelligent Hub. It provides

information about the 8260 architecture as well as how to install, configure and

manage the 8260 Ethernet and token-ring media modules.

This document was written for customers, systems engineers, network

professionals and technical support personnel. Some knowledge of local area

networks, token-ring and Ethernet architecture is assumed.

(327 pages)

 Copyright IBM Corp. 1995 iii

iv 8260 Multiprotocol Intelligent Switching Hub

Contents

Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

Special Notices

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Preface

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

How This Document is Organized

......................... xvii

Related Publications

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii

International Technical Support Organization Publications

.......... xviii

Acknowledgments

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix

Chapter 1. An Overview of the IBM 8260 Hub

................... 1

1.1 Introduction

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.2 8260 Hardware Description

............................ 3

1.2.1 IBM 8260 Model 017

.............................. 3

1.2.2 The Intelligent Cooling Subsystem

..................... 7

1.2.3 8260 Model 010

................................ 7

1.3 8260 Modules and Daughter Cards

....................... 8

1.3.1 Ethernet Modules

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.3.2 Token-Ring Modules

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.3.3 Management and Controller Modules

................... 10

Chapter 2. Backplane Architecture

. . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.1 LAN Segments on the Backplane

........................ 13

2.2 Ethernet Segments on the Backplane

...................... 15

2.2.1 Digital Collision Detection

.......................... 19

2.2.2 Analog Collision Detection

.......................... 19

2.2.3 Statistics Collection

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.3 Token-Ring Segments on the Backplane

.................... 19

2.4 FDDI Segments on the Backplane

........................ 22

2.5 Network Allocations on the 8260 Backplane

.................. 23

2.5.1 Management Buses

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Chapter 3. 8260 Fault Tolerant Controller Module

................. 29

3.1 8260 Fault Tolerant Controller Module Overview

............... 29

3.1.1 The Controller Module Front Panel

.................... 30

3.1.2 Controller Module Fault Tolerance

..................... 32

3.1.3 Installing and Configuring the Fault Tolerant Controller Module

... 32

3.1.4 8260 Fault Tolerant Controller Module Considerations

......... 33

Chapter 4. 8260 Distributed Management Architecture

.............. 35

4.1 8260 Distributed Management Architecture

.................. 35

4.1.1 IP Addressing for DMM

........................... 38

4.2 The Distributed Management Module (DMM)

................. 39

4.2.1 Unpacking and Installing the DMM

..................... 39

4.2.2 DMM LED Indicators

............................. 40

4.2.3 Console and Auxiliary Ports

......................... 41

4.2.4 Configuring the DMM

............................. 43

4.3 The EC-DMM (Ethernet Carrier - Distributed Management Module)

.... 58

4.3.1 Installing the EC-DMM

............................ 59

4.3.2 EC-DMM LED Description

.......................... 60

4.4 MAC Daughter Cards

............................... 61

 Copyright IBM Corp. 1995 v

4.4.1 Ethernet MAC Daughter Card (E-MAC) .................. 64

4.4.2 Token-Ring MAC Daughter Card (T-MAC)

................ 66

4.5 Managing 8260 Using DMM and 8250 xMM

.................. 69

4.5.1 Managing 8260 with DMM

.......................... 70

4.5.2 Managing 8260 with 8250 xMM

....................... 70

4.6 Overview of Management and Control Commands

.............. 71

Chapter 5. 8260 Intelligent Power Management Subsystem

........... 73

5.1 Intelligent Power Management Subsystem

.................. 73

5.2 Power Class

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

5.3 Configuring 8260 Power Supplies

........................ 76

5.3.1 Non-Fault Tolerant Mode

........................... 78

5.3.2 Fault Tolerant Mode

............................. 79

5.4 Managing Power in the 8260

........................... 81

5.4.1 Installing 8260 Module in an 8260 Managed by DMM

.......... 81

5.4.2 Installing 8260 Module in an 8260 Not Managed by DMM

....... 83

5.4.3 Installing 8250 Module in a Hub Managed by DMM

........... 83

5.4.4 Installing 8250 Module in a Hub Not Managed by DMM

........ 85

5.5 Controlling Power to the 8260 Modules

..................... 85

5.6 Power Management Considerations

...................... 85

5.7 Power Management Scenarios

.......................... 86

5.8 Installing the 8260 Power Supply

........................ 89

Chapter 6. 8260 Intelligent Cooling Subsystem

.................. 91

6.1 Intelligent Cooling Subsystem

.......................... 91

Chapter 7. 8260 Ethernet Modules

.......................... 97

7.1 Ethernet LAN Overview

.............................. 97

7.1.1 CSMA/CD

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

7.1.2 Frame Size

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

7.1.3 Data Integrity

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

7.1.4 Ethernet Addressing Mode

......................... 98

7.2 8260 Ethernet 24-Port 10Base-T Module

.................... 99

7.3 10Base-T Module Usage

............................ 104

7.4 Configuring the 10Base-T Module

....................... 104

7.5 8260 Ethernet 20/40-Port 10Base-T Module

................. 106

7.6 Configuring the 20/40-Port 10Base-T Modules

................ 111

7.7 8260 Ethernet 10-Port 10Base-FB Module

.................. 113

7.8 10Base-FB Module Usage

............................ 118

7.9 Configuring the 10Base-FB Module

...................... 118

7.10 8260 Ethernet Modules Summary

....................... 120

7.11 8260 Ethernet Security Daughter Card

.................... 121

7.11.1 Operation of Security Card

........................ 122

7.11.2 Configuring the Security Module

.................... 124

Chapter 8. 8260 Token-Ring Support

........................ 129

8.1 Token-Ring LAN Overview

........................... 129

8.1.1 Ring Operation

................................ 129

8.1.2 Ring Administration

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

8.1.3 Ring Errors

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

8.1.4 Differential Manchester Coding

...................... 132

8.1.5 Clock Recovery

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

8.1.6 Phase Jitter

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

8.2 8260 Backplane Signalling for TR Segments

................. 134

8.3 Dual Phase Lock Loop

.............................. 138

vi 8260 Multiprotocol Intelligent Switching Hub

8.4 Jitter Attenuator Daughter Card (JADC) ................... 141

8.5 Passive Port Technology

............................ 142

8.6 Active Port Technology

............................. 142

8.6.1 Per-Port Switching on the Active Modules

............... 143

8.6.2 Static Switch on the Per-Port Switching Modules

........... 145

8.7 Signal Flow on the 8260 Token-Ring Modules

................ 148

8.8 Speed Detection

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

8.8.1 Speed Detection on Active Modules

................... 149

8.8.2 Speed Detection on Passive Modules

.................. 149

8.9 Beacon Recovery

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

8.9.1 Introduction

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

8.9.2 Beacon Recovery in the 8250

....................... 151

8.9.3 Beacon Recovery in the 8260

....................... 155

8.9.4 Beacon Recovery on the Module Switching Modules

......... 158

8.9.5 Beacon Recovery on the Per-port Switching Modules

........ 159

8.10 Address-to-Port Mapping for Module Switching Modules

........ 160

8.11 Address-to-Port Mapping for Per-Port Switching Modules

........ 164

8.12 IEEE 802.5C Recommended Practice for Dual Ring Wrapback

Reconfiguration

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

8.12.1 Trunk Wrapping on the Active Per-Port Switching Modules

.... 168

8.12.2 Trunk Wrapping on the Active Module-Switching Modules

..... 169

8.12.3 Merge Manager

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170

8.12.4 Trunk Unwrapping on the Per-Port Switching Modules

....... 170

8.12.5 Trunk Unwrapping on the Module-Switching Modules

........ 170

Chapter 9. 8260 Token-Ring Modules

....................... 173

9.1 Introduction

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

9.2 Configuring Token-Ring Network Parameters

................ 173

9.3 8260 18-Port Active Per-Port Switching Module

............... 174

9.3.1 Configuring the 18-Port Active Per-Port Switching Module

...... 177

9.4 8260 18-Port Active Module Switching Module

............... 180

9.4.1 Configuring the 18-Port Active Module Switching Module

...... 180

9.5 8260 20-Port Passive Module Switching Module

.............. 180

9.5.1 Configuring the 20-Port Passive Module

................ 183

9.6 8260 Dual Fiber Repeater Module

....................... 185

9.6.1 Configuring the Dual Fiber Repeater Module

.............. 188

Chapter 10. 8260 RMON Support

.......................... 191

10.1 RMON Overview

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

10.1.1 Network Probes

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

10.1.2 RMON Manager

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

10.2 RMON Goals

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

10.2.1 Offline Operation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

10.2.2 Preemptive Monitoring

. . . . . . . . . . . . . . . . . . . . . . . . . . 194

10.2.3 Problem Detection and Reporting

.................... 194

10.2.4 Value Added Data

............................. 194

10.2.5 Multiple Managers

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

10.3 Standards

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

10.4 Managing the Ethernet LAN Environment

.................. 195

10.4.1 Managing Ethernet LANs with RMON

................. 195

10.5 Managing the Token-Ring LAN Environment

................ 201

10.5.1 Managing Token-Ring LANs with RMON

................ 201

10.6 Monitoring Functions Supported In 8260

.................. 212

10.6.1 Monitoring Functions Supported by E-MAC

.............. 213

10.6.2 Monitoring Functions Supported by T-MAC

.............. 214

Contents vii

10.6.3 SHOW COUNTER Command for Ethernet Networks ......... 215

10.6.4 Collecting and Displaying RMON Groups Using E-MAC

....... 218

10.6.5 SHOW COUNTER Command for Token-Ring Networks

....... 222

10.6.6 Collecting and Displaying RMON Groups Using T-MAC

....... 230

10.7 Surrogate Functions Supported by T-MAC

................. 232

10.7.1 Using T-MAC Surrogate Functions

................... 233

10.7.2 Displaying the Information Collected by Surrogate Features

.... 236

10.8 DOT5_Group Support by T-MAC

....................... 237

10.8.1 Using DOT5_Group Functions

...................... 237

10.9 Summary of T-MAC Monitoring Functions

................. 237

Chapter 11. 8260 Multiprotocol Interconnect Module

.............. 239

11.1 Introduction

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239

11.2 Power Requirements for Multiprotocol Interconnect Module

...... 242

11.3 Bridging Functions

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244

11.4 Routing Functions

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245

11.4.1 IP Routing Support

............................. 245

11.4.2 IPX Routing Support

............................ 246

11.4.3 DECnet Phase IV Routing Support

................... 246

11.5 Configuring Multiprotocol Interconnect Module

.............. 246

11.6 Local Management System (LMS)

...................... 247

11.7 SNMP Support

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250

11.8 Configuring the Interconnect Module Using LMS

............. 251

11.8.1 Configuring System Wide Parameters

................. 252

11.8.2 Configuring Port Parameters

....................... 255

11.8.3 Port Configuration Summary

....................... 261

11.8.4 Configuring for Bridging Support

.................... 261

11.8.5 Filtering for Bridging Functions

..................... 270

11.8.6 Destination Address Filtering

...................... 274

11.8.7 Configuring for Routing Functions

.................... 278

11.8.8 Configuring for IP Routing

........................ 279

11.8.9 IP Security

.................................. 304

11.8.10 Configuring for IPX Routing

....................... 308

11.9 Monitoring Multiprotocol Interconnect Module

............... 311

Appendix A. Power Requirements for 8250/8260 Modules

........... 315

A.1 Power Requirements for 8250 Ethernet Modules

.............. 315

A.2 Power Requirements for 8250 Token-Ring Modules

............ 316

A.3 Power Requirements for 8250 FDDI Modules

................ 316

A.4 Power Requirements for 8250 Internetworking Modules

......... 317

Index

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319

viii 8260 Multiprotocol Intelligent Switching Hub

Figures

1. IBM 8260 Model 017 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2. Components of the 8250 Adapter Kit

. . . . . . . . . . . . . . . . . . . . . 5

3. Enhanced TriChannel Bus

............................ 14

4. 8260 ShuntBus

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5. Backplane Path Display for Ethernet Segments

. . . . . . . . . . . . . . . 16

6. Token-Ring Backplane Path Display

. . . . . . . . . . . . . . . . . . . . . . 20

7. ShuntBus and Token-Ring

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

8. Backplane Path Display for FDDI Segments

. . . . . . . . . . . . . . . . . 23

9. TriChannel Backplane Network Allocation

. . . . . . . . . . . . . . . . . . 24

10. ShuntBus Backplane Network Allocation

................... 25

11. The Backplane Relationship between TriChannel and ShuntBus

..... 26

12. 8260 Management Buses

............................ 27

13. Front View of the Controller Module

...................... 30

14. Management Schematic

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

15. DMM Front Panel

................................. 39

16. Jumpering for the DMM DB-9 Ports

...................... 40

17. DMM Login Message

............................... 44

18. Changing Superuser Password

......................... 45

19. Defining New DMM Superuser

......................... 45

20. Display of Defined DMM Users

......................... 46

21. Forced Termination of Existing DMM Users

................. 47

22. Output from Show Terminal Command

.................... 50

23. Set Device Name Command for DMM

..................... 51

24. Set Device Location Command for DMM

................... 51

25. Set Device Contact Command for DMM

................... 51

26. Output from Show ARP_Cache Command with Canonical Setting

.... 52

27. Output from Show ARP_Cache Command with Non-Canonical Setting

. 52

28. Output from Show Device Command

..................... 54

29. Output from Show IP Command

........................ 55

30. Output from Show Community Command

.................. 57

31. EC-DMM Front Panel

............................... 59

32. Jumpering for the EC-DMM DB-9 Ports

.................... 60

33. 24-Port Ethernet Module with E-MAC

..................... 62

34. EC-DMM Slots and Subslots

.......................... 63

35. EC-DMM Display

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

36. EC-DMM with Up to 6 EMACs

.......................... 64

37. Assigning E-MAC to a Segment with an Active E-MAC

........... 65

38. Output from E-MAC Display

........................... 66

39. Assigning T-MAC to a Segment with an Active T-MAC

........... 68

40. Output from T-MAC Display

........................... 69

41. A Sample of Hierarchical Structure Command

............... 71

42. 8260 with 4 Power Supplies

........................... 74

43. Set Power Class Command for 8250 Modules

................ 75

44. Priorities of Modules to Be Powered-Up or Powered-Down

........ 75

45. Output from Show Power Class Command

.................. 76

46. Output from Show Hub Command

....................... 77

47. Output from Show Power Budget Command

................. 78

48. Output from Show Power Mode Command

.................. 79

49. Load Sharing Power Supplies

......................... 80

50. Output from Show Inventory Command

.................... 82

51. Installing 8260 Modules in an 8260 Managed by DMM

........... 83

 Copyright IBM Corp. 1995 ix

52. Installing 8260 Modules in an 8260 Not Managed by DMM ........ 83

53. Installing 8250 Modules in an 8260 Managed by DMM

........... 84

54. Installing 8250 Modules in an 8260 Not Managed by DMM

........ 85

55. Messages Received when a Power Failure Occurs

............. 86

56. Using the SHOW HUB Command

........................ 87

57. Using the SHOW POWER MODE Command

................. 87

58. Messages Received when the Power Mode Is Changed

.......... 88

59. Messages Received upon a Recovery of the Power Supply

........ 88

60. 8260 Fan Units

................................... 91

61. Output from Show Hub Command

....................... 92

62. Output from Show Power Mode Command

.................. 93

63. 8260 Cooling Zones and Power Classes

................... 94

64. Flow Chart for an Overheat Condition

..................... 95

65. Front View of 24-Port 10Base-T Module

................... 101

66. 24-Port 10Base-T Module Side View

..................... 102

67. 24-Port 10Base-T DIP Switches

........................ 103

68. 24-Port 10Base-T Module Usage

....................... 104

69. Front View of 20/40-Port 10Base-T Modules

................ 108

70. 20/40-Port 10Base-T Module Side View

................... 109

71. 20/40-Port 10Base-T DIP Switches

...................... 110

72. Front View of 10-Port 10Base-FB Module

.................. 115

73. 10-Port 10Base-FB Module Side View

.................... 116

74. 10-Port 10Base-FB DIP Switches

....................... 117

75. 10-Port 10Base-FB Module Usage

...................... 118

76. Configuring Port Redundancy for 8260 Ethernet Modules

........ 119

77. Default Security Settings

............................ 124

78. Network Security Address Table

....................... 125

79. Ethernet Security Intruder Table

....................... 127

80. Differential Manchester Coding

........................ 132

81. Self-Shorting Relays on the ShuntBus

.................... 135

82. 8260 Backplane Signalling for 4 Mbps Operation

............. 136

83. 8260 Backplane Signalling for 16 Mbps Operation

............ 137

84. Components of Dual Phase Lock Loop

................... 139

85. DPLL Implementation on Active Ports

.................... 140

86. Components of DPLL Implemented on JADC

............... 141

87. Token-Ring Per-Port Switching

........................ 144

88. Static Switch Display for Active Per-Port Switching Ports

........ 146

89. Switching Ports with Enabled Static Switch

................ 147

90. Port Switching with Source Routing Bridges

................ 148

91. Port Display for Token-Ring Passive Ports

................. 150

92. Show Device Command for TRMM

..................... 154

93. Recovery ASIC in Module Switching Module

................ 155

94. Recovery ASIC in Per-Port Switching Module

............... 156

95. Display Output for 20-Port Passive Module

................. 156

96. Display Output for 18-Port Active Per-Port Switching Module

...... 157

97. Beacon Recovery on the Module Switching Modules

.......... 159

98. Address-to-Port Map Display for a Module Switching Module

..... 161

99. Address-to-port Mapping on Module Switching Modules for Fan-Out

Attached Devices

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162

100. Address-to-Port Map Display for Fan-Out Attached Devices

...... 163

101. Address-to-Port Map Display for MAC-less Stations

........... 164

102. Address-to-Port Mapping on Per-Port Switching Modules

........ 164

103. Address-to-Port Map Display for a Per-Port Switching Module

..... 166

104. Dual-Ring Topology

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

105. Wrapback in Dual-Ring Topology

....................... 168

x 8260 Multiprotocol Intelligent Switching Hub

106. Trunk Wrapping in Active Per-Port Switching Module .......... 169

107. Trunk Wrapping in Active Per-Port Switching Module

.......... 169

108. Front View of 18-Port Active Per-Port Switching Module

......... 175

109. 18-Port Active Per-Port Switching Module Side View

........... 176

110. Onboard Lobe/Trunk Jumpers on 18-Port

................. 178

111. Front View of 20-Port Passive Module

.................... 182

112. 20-Port Passive Module Module Side View

................. 183

113. Front View of Dual Fiber Repeater Module

................. 186

114. Dual Fiber Repeater Module Side View

................... 187

115. OSI Stack

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

116. An Example of RMON Implementation

................... 193

117. Status Display for DMM Interfaces

...................... 213

118. Show Counter Ethernet

............................ 215

119. Show Counter Interface for Ethernet Segment

............... 216

120. Show Counter Repeater for Ethernet Segment

.............. 217

121. Show Counter RMON Hosts

.......................... 218

122. RMON Host Control Table

........................... 221

123. RMON Host Statistics Display

......................... 222

124. Show Counter for Token_Ring Segments

.................. 223

125. Show Counter Interface for Token-Ring Segment

............. 224

126. Show Counter RMON Hosts for Token_Ring Segments

......... 225

127. Show Counter RMON Ring_station Using ″ring″ Option

......... 226

128. Show Counter RMON Ring_station Using ″all″ Option

.......... 227

129. Show Counter RMON TR_MAC_LAYER

................... 228

130. Show Counter RMON TR_MAC_LAYER

................... 229

131. Show Counter RMON TR_SOURCE_ROUTING

............... 230

132. Show Module Command for T-MAC

..................... 232

133. Displaying the Status of Surrogate Features

................ 234

134. Displaying the Status of REM Options

.................... 235

135. Displaying the Status of CRS Options

.................... 235

136. Displaying the Status of CRS Stations Options

.............. 236

137. Front View of the Multiprotocol Interconnect Modules

.......... 241

138. LMS Initial Panel

................................ 247

139. LMS Short Cut Commands

.......................... 249

140. LMS Jump Table

................................ 250

141. LMS Configuration Panel

........................... 252

142. LMS System Parameters Panel

....................... 253

143. LMS Trap Destination Panel

......................... 254

144. LMS Download Parameters Panel

...................... 255

145. LMS Port Menu Panel

............................. 256

146. LMS Physical Port List for Ethernet Connections

............. 257

147. LMS Physical Ports List for Token-Ring I/O Cards

............ 258

148. LMS Physical Port Protocol Configuration Panel

............. 259

149. LMS Logical Port Panel

............................ 260

150. LMS Bridge Menu Panel

............................ 261

151. LMS Bridging System Parameters

...................... 262

152. Transparent Bridging Port Parameters Panel

............... 263

153. LMS STP System Parameters Panel

..................... 265

154. LMS STP Port Parameters Panel

....................... 266

155. LMS Source Routing Port Parameter

.................... 268

156. LMS Conversion System Parameters Panel

................ 269

157. LMS Configuration Panel

........................... 271

158. LMS Custom Filter Test Table Panel

.................... 275

159. LMS Custom Filter Statement Table

..................... 277

160. LMS Protocols Menu Panel

.......................... 278

Figures xi

161. LMS IP Panel .................................. 279

162. LMS IP Port Address Table Panel

...................... 280

163. LMS IP System Parameters Panel

...................... 281

164. LMS IP Port Parameter Panel

........................ 283

165. LMS IP Forwarding Table Panel

....................... 284

166. LMS IP Net To Media Table

.......................... 286

167. LMS Boothelper Parameters Panel

..................... 287

168. LMS OSPF Menu Panel

............................ 288

169. LMS OSPF System Parameter Panel

.................... 289

170. LMS OSPF Interface Table Panel

....................... 290

171. LMS OSPF Area Table Panel

......................... 293

172. LMS OSPF Area Default Metric Table

.................... 294

173. LMS OSPF Area Address Range Panel

................... 295

174. LMS OSPF Interface Metric Table

...................... 296

175. LMS OSPF Virtual Interface Table Panel

.................. 297

176. LMS OSPF Neighbors Panel

......................... 298

177. LMS OSPF RIP Filter Table Panel

...................... 299

178. LMS Configuration Panel

........................... 300

179. LMS OSPF Default RIP Convert Table Panel

................ 301

180. LMS OSPF Static Filter Table Panel

..................... 302

181. LMS Configuration Panel

........................... 303

182. LMS OSPF Default Static Convert Table Panel

.............. 304

183. LMS IP Security Table Panel

......................... 305

184. LMS IP Security Access Panel

........................ 307

185. LMS IPX Menu Panel

.............................. 308

186. LMS IPX System Parameters Panel

..................... 309

187. LMS IPX Port Parameters Panel

....................... 310

xii 8260 Multiprotocol Intelligent Switching Hub

Tables

1. Components of the 8250 Adapter Kit for 8260 . . . . . . . . . . . . . . . . 6

2. Ethernet Pins on the 8260 Backplane

. . . . . . . . . . . . . . . . . . . . . 17

3. 8260 controller Module LED Meaning

. . . . . . . . . . . . . . . . . . . . . 31

4. DMM Status LED

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

5. DMM LCD Display

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

6. Console Port Pinouts

............................... 41

7. Auxiliary Port Pinouts

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

8. Commands Required to Set Up the Modem for the Console Port

. . . . 42

9. DMM Interface Configuration Quick Reference

. . . . . . . . . . . . . . . 43

10. DMM Terminal Defaults and Options

..................... 43

11. EC-DMM Status LED

............................... 60

12. EC-DMM LCD Display

.............................. 61

13. Power Available to Modules in Non-Fault Tolerant Mode

......... 78

14. Power Available to Modules in Fault Tolerant Mode

............ 79

15. Equivalent Distances for 24-Port 10Base-T Module

............ 100

16. 24-Port 10Base-T Module LED Descriptions

................ 101

17. 24-Port 10Base-T Module DIP Switch Settings

............... 103

18. Equivalent Distances for 20/40 10Base-T Modules

............ 107

19. 20/40-Port 10Base-T Module LED Descriptions

.............. 108

20. 20/40-Port 10Base-T Module DIP Switch Settings

............. 110

21. Maximum Distances for 20/24-Port 10Base-T Modules

.......... 112

22. Equivalent Distances for Ethernet 10Base-FB Module

.......... 114

23. 10-Port 10Base-FB Module LED Descriptions

............... 115

24. 10-Port 10Base-FB Module DIP Switch Settings

.............. 117

25. 8260 Ethernet Modules Summary

...................... 120

26. Lobe Distances Using 8260 Active TR Modules

.............. 143

27. Lobe Distances Using 8260 Passive TR Modules

............. 143

28. 18-Port Active Per-Port Switching Module LED Descriptions

...... 176

29. 18-Port Active Per-Port Switching Module

................. 177

30. 20-Port Passive Module LED Descriptions

................. 182

31. Dual Fiber Repeater Module LED Descriptions

.............. 186

32. MIB Structure for RFC 1271 - RMON MIB for Ethernet

.......... 196

33. MIB Structure for RFC 1513 - Token-Ring Extensions to the RMON MIB 202

34. Functions Supported by T-MAC V2.0

..................... 237

35. Functions Performed by T-MAC V2.0

.................... 237

36. Interconnect Module LED Description

.................... 242

37. Power Requirements for Interconnect Module IP Cards

......... 242

38. Watts to Units Conversion Table

....................... 243

39. Custom Filter Test Table

............................ 276

40. Custom Filter Statement Table

........................ 278

41. Power Requirements for 8250 Ethernet Modules

............. 315

42. Power Requirements for 8250 Token-Ring Modules

........... 316

43. Power Requirements for 8250 FDDI Modules

............... 316

44. Power Requirements for 8250 FDDI Modules

............... 317

 Copyright IBM Corp. 1995 xiii

xiv 8260 Multiprotocol Intelligent Switching Hub

Special Notices

This publication is intended to help both IBM Customers and IBM System

Engineers to install and configure the IBM 8260 Multiprotocol Intelligent

Switching Hub. It contains description of the 8260 architecture as well as

information about how to install, configure and manage the the 8260 Ethernet

and token-ring modules. The information in this publication is not intended as

the specification of any programming interfaces that are provided by IBM 8260

Multiprotocol Intelligent Switching Hub. See the PUBLICATIONS section of the

IBM Programming Announcement for the 8260 for more information about what

publications are considered to be product documentation.

References in this publication to IBM products, programs or services do not

imply that IBM intends to make these available in all countries in which IBM

operates. Any reference to an IBM product, program, or service is not intended

to state or imply that only IBM′s product, program, or service may be used. Any

functionally equivalent program that does not infringe any of IBM′s intellectual

property rights may be used instead of the IBM product, program or service.

Information in this book was developed in conjunction with use of the equipment

specified, and is limited in application to those specific hardware and software

products and levels.

IBM may have patents or pending patent applications covering subject matter in

this document. The furnishing of this document does not give you any license to

these patents. You can send license inquiries, in writing, to the IBM Director of

Licensing, IBM Corporation, 500 Columbus Avenue, Thornwood, NY 10594 USA.

The information contained in this document has not been submitted to any

formal IBM test and is distributed AS IS. The information about non-IBM

(VENDOR) products in this manual has been supplied by the vendor and IBM

assumes no responsibility for its accuracy or completeness. The use of this

information or the implementation of any of these techniques is a customer

responsibility and depends on the customer′s ability to evaluate and integrate

them into the customer′s operational environment. While each item may have

been reviewed by IBM for accuracy in a specific situation, there is no guarantee

that the same or similar results will be obtained elsewhere. Customers

attempting to adapt these techniques to their own environments do so at their

own risk.

Any performance data contained in this document was determined in a

controlled environment, and therefore, the results that may be obtained in other

operating environments may vary significantly. Users of this document should

verify the applicable data for their specific environment.

Reference to PTF numbers that have not been released through the normal

distribution process does not imply general availability. The purpose of

including these reference numbers is to alert IBM customers to specific

information relative to the implementation of the PTF when it becomes available

to each customer according to the normal IBM PTF distribution process.

The following terms are trademarks of the International Business Machines

Corporation in the United States and/or other countries:

 Copyright IBM Corp. 1995 xv

The following terms in this publication, are trademarks of other companies:

Windows is a trademark of Microsoft Corporation.

PC Direct is a trademark of Ziff Communications Company and is used by IBM

Corporation under license.

UNIX is a registered trademark in the United States and other countries licensed

exclusively through X/Open Company Limited.

AIX AIX/6000

IBM NetView

RS/6000

DECnet, DEC VT100 and DEC VT220 Digital Equipment Corporation

Chipcom, ONline, ONcore Chipcom Corporation

Novell, NetWare and IPX Novell Corporation

Retix Retix Corporation

xvi 8260 Multiprotocol Intelligent Switching Hub

Preface

This document is intended to assist customers and IBM system engineers to

implement local area networks based on the IBM 8260 Multiprotocol Intelligent

Switching Hub. It contains description of the 8260 architecture as well as

information about how to install, configure and manage the the 8260 Ethernet

and token-ring modules.

How This Document is Organized

The document is organized as follows:

•

Chapter 1, “An Overview of the IBM 8260 Hub”

This chapter is an introduction to the IBM 8260 Multiprotocol Intelligent

Switching Hub.

•

Chapter 2, “Backplane Architecture”

This chapter provides details of the 8260 backplane architecture.

•

Chapter 3, “8260 Fault Tolerant Controller Module”

This chapter provides information about the 8260 fault-tolerant controller

module.

•

Chapter 4, “8260 Distributed Management Architecture”

This chapter describes the 8260 Distributed Management architecture.

•

Chapter 5, “8260 Intelligent Power Management Subsystem”

This chapter describes the 8260 Intelligent Power Management Subsystem.

•

Chapter 6, “8260 Intelligent Cooling Subsystem”

This chapter describes the 8260 Intelligent Cooling Subsystem.

•

Chapter 7, “8260 Ethernet Modules”

This chapter provides detailed description and configuration information

about the 8260 Ethernet modules.

•

Chapter 8, “8260 Token-Ring Support”

This chapter provides a description of the advanced features supported by

the 8260 token-ring modules.

•

Chapter 9, “8260 Token-Ring Modules”

This chapter provides detailed description and configuration information

about the 8260 token-ring modules.

•

Chapter 10, “8260 RMON Support”

This chapter provides an introduction to RMON as well as the RMON support

by E-MAC and T-MAC daughter cards.

•

Chapter 11, “8260 Multiprotocol Interconnect Module”

This chapter provides details of routing and bridging support provided by the

8260 Multiprotocol Interconnect module.

•

Appendix A, “Power Requirements for 8250/8260 Modules”

This appendix provides information about the power requirements of the

8250 modules.

Related Publications

The publications listed in this section are considered particularly suitable for a

more detailed discussion of the topics covered in this document.

•

IBM 8260/8250 PSPG

,GA33-0285

•

IBM 8260 Installation Guide

, SA33-0251

•

8260 TR Active Media Module Port Switching Guide

, SA33-0256

•

8260 Network Interconnect Module

, SA33-0258

•

IBM 8260 (DMM) User

′

s Guide

, SA33-0259

•

IBM 8260 Ethernet 24-Port 10BASE-T User

′

s Guide

, SA33-0260

•

IBM 8260 Ethernet Per Port User

′

s Guide

, SA33-0261

•

IBM 8260 Ethernet Security Module User

′

s Guide

, SA33-0262

•

8260 DMM Commands Guide

, SA33-0275

•

IBM 8260 DMM Quick Reference Commands

, SA33-0276

•

Passive Media Module User

′

s Guide

, SA33-0286

•

8260 Network Interconnect Module Reference Guide

, SA33-0288

•

8260 A4-FB100 Installation and User

′

s Guide

, SA33-0324

•

IBM 8260 A-CP Switch Installation and User

′

s Guide

, SA33-0326

International Technical Support Organization Publications

•

IBM 8250 Intelligent Hub and IBM Hub Management Program/6000

,

GG24-4033

A complete list of International Technical Support Organization publications, with

a brief description of each, may be found in:

International Technical Support Organization Bibliography of Redbooks,

GG24-3070.

To get listings of ITSO technical bulletins (redbooks) online, VNET users may

type:

TOOLS SENDTO WTSCPOK TOOLS REDBOOKS GET REDBOOKS CATALOG

How to Order ITSO Technical Bulletins (Redbooks)

IBM employees in the USA may order ITSO books and CD-ROMs using

PUBORDER. Customers in the USA may order by calling 1-800-879-2755 or by

faxing 1-800-284-4721. Visa and Master Cards are accepted. Outside the

USA, customers should contact their IBM branch office.

Customers may order hardcopy redbooks individually or in customized sets,

called GBOFs, which relate to specific functions of interest. IBM employees

and customers may also order redbooks in online format on CD-ROM

collections, which contain the redbooks for multiple products.

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