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System (CPU and Backplane) Health Check
Advanced System Diagnostics and Troubleshooting Guide 75
To clarify the relationship between MSM ports, the backplane links, and the I/O module slots shown in
Example 1, consider the following annotated adaptation of the example’s output (not actual command
output; for instructional purposes only):
MSM Module
Port Channel Slot
------- ------- ------
Port 1: (chan0, slot1) 6140 6140...
Port 2: (chan0, slot2) 0 0...
Port 3: (chan0, slot3) 0 0...
Port 4: (chan0, slot4) 0 0...
Port 5: (chan0, slot5) 0 0...
Port 6: (chan0, slot6) 0 0...
Port 7: (chan0, slot7) 214020 214020...
Port 8: (chan0, slot8) 214010 214010...
Port 9: (chan1, slot1) 6140 6140...
Port 10: (chan1, slot2) 0 0...
Port 11: (chan1, slot3) 0 0...
Port 12: (chan1, slot4) 0 0...
Port 13: (chan1, slot5) 0 0...
Port 14: (chan1, slot6) 0 0...
Port 15: (chan1, slot7) 214020 214020...
Port 16: (chan1, slot8) 214010 214010...
Port 17: (chan2, slot1) 6140 6140...
Port 18: (chan2, slot2) 0 0...
Port 19: (chan2, slot3) 0 0...
Port 20: (chan2, slot4) 0 0...
Port 21: (chan2, slot5) 0 0...
Port 22: (chan2, slot6) 0 0...
Port 23: (chan2, slot7) 214020 214020...
Port 24: (chan2, slot8) 214010 214010...
Port 25: (chan3, slot1) 6140 6140...
Port 26: (chan3, slot2) 0 0...
Port 27: (chan3, slot3) 0 0...
Port 28: (chan3, slot4) 0 0...
Port 29: (chan3, slot5) 0 0...
Port 30: (chan3, slot6) 0 0...
Port 31: (chan3, slot7) 214020 214020...
Port 32: (chan3, slot8) 214010 214010...
The report in Example 1 shows 32 ports from the MSM switch fabric to the backplane; four channels;
four MSM ports to each BlackDiamond
6808 I/O module slot.
In this example, chassis slots 1, 7, and 8 are populated with I/O modules capable of responding to the
backplane health check packets from the system health checker. Tx and Rv packet values indicate the
presence of a module, so—for example—MSM ports 1, 9, 17, and 25 are the MSM ports to I/O module
slot
1, MSM ports 7, 15, 23, and 31 are the MSM ports to I/O module slot 7, and MSM ports 8, 16, 24,
and 32 are the MSM ports to I/O
module slot 8.
MSM ports 1 through 8 are the first channel (channel0) to each I/O module slot, MSM ports 9 through
16 are the second channel (channel1) to each I/O module slot, and so forth. In this example, no failures
appear for any of these channels.
In this example, I/O module slot 1 has fewer reported diagnostics packets sent because it recently had
extended diagnostics run against it, which reset the counter.
- Advanced System 1
- Diagnostics and 1
- Troubleshooting Guide 1
- Contents 3
- Chapter 5 Diagnostics 4
- Terminology 9
- Conventions 9
- Related Publications 10
- 1 Introduction 11
- Introduction 12
- Supported Hardware 13
- Diagnostics Support 15
- The BlackDiamond Systems 16
- The BlackDiamond Backplane 17
- BlackDiamond I/O Modules 18
- Management Switch Modules 19
- BlackDiamond MSM Redundancy 20
- Alpine Systems 22
- Summit “ 23
- ” Series Systems 23
- Detection 25
- Definition of Terms 26
- Errors Between Wires 27
- ASICASIC 28
- Soft-State Failures 30
- Permanent Failures 31
- Alert Messages 33
- Checksum Error Messages: 34
- Corrective Behavior Messages 35
- 4 Software Exception Handling 37
- Redundant MSM Behavior 38
- Related Commands 40
- Usage Notes 41
- Software Exception Handling 42
- Dumping the “ 45
- ” Series Switch System Memory 45
- 5 Diagnostics 49
- Diagnostics 50
- Diagnostic Test Functionality 51
- Diagnostic Suite Components 52
- Modes of Operation 54
- Runtime Diagnostics on “ 57
- ” Switches 60
- Limited Operation Mode 64
- Switches 67
- Health Check Packet Types 70
- Backplane Health Check States 70
- Alarm-Level Response Action 71
- Auto-Recovery Response Action 71
- Backplane Health Check 72
- command 73
- I/O module slot 76
- Analyzing the Results 78
- CPU Health Check 79
- Transceiver Diagnostics 82
- Viewing Diagnostics Results 84
- Example—show switch Command 86
- FDB Scan 88
- Enabling FDB Scanning 89
- Disabling FDB Scanning 89
- Syslog Servers 94
- Adding a Syslog Server 95
- Running Cable Diagnostics 97
- {detail} 98
- Cable Diagnostics 99
- Additional Diagnostics Tools 100
- Cable Diagnostics for “ 101
- ” Series Switches 101
- 7 Troubleshooting Guidelines 103
- EMEA TAC 104
- Japan TAC 104
- Asia TAC 104
- Analyzing Data 105
- Diagnostic Troubleshooting 106
- Customer 107
- Troubleshooting Guidelines 108
- A Limited Operation Mode and 111
- Minimal Operation Mode 112
- B Reference Documents 115
- Reference Documents 116
- Index of Commands 121
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