Juniper M Series - Checking the Host Subsystem Status

Juniper M Series

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Figure 169: T320 Router Cooling System Components

Figure 170 on page 331 shows the T320 router airflow.

Figure 170: T320 Router Cooling System and Airflow

Figure 171 on page 332 shows the cooling system components in T640 routers.

331Copyright © 2012, Juniper Networks, Inc.

Chapter 11: Monitoring the Cooling System

Table of Contents

Default Chapter1
- Series and T Series Routers1
- Table of Contents3
- About the Documentation39
- Junos Documentation and Release Notes39
- Objectives39
- Audience40
- Supported Routing Platforms40
- About the Documentation41
- Document Conventions41
- Table 1: Notice Icons41
- Table 2: Text and Syntax Conventions41
- Using the Index41
- Documentation Feedback42
- Requesting Technical Support43
  - Self-Help Online Tools and Resources43
  - Opening a Case with JTAC43
- Juniper Networks M Series and T Series Routers45
  - M Series Multiservice Edge Routers45
  - T Series Core Routers45
Chapter 1 M Series Multiservice Edge Routers47
- M5 and M10 Internet Router Overview48
- Figure 1: M5 and M10 Routers48
- M5 and M10 Router Components49
- Table 3: M5 and M10 Router Major Hardware Components49
- M7I Multiservice Edge Router Overview50
- Figure 2: M7I Router50
- M7I Router Components51
- Table 4: M7I Router Major Hardware Components51
- M10I Multiservice Edge Router Overview52
- Figure 3: M10I Router52
- M10I Router Components53
- Table 5: M10I Router Major Hardware Components53
- M20 Internet Router Overview54
- M20 Router Components55
- Figure 4: M20 Router55
- Table 6: M20 Router Major Hardware Components56
- M40 Router Overview57
- Figure 5: M40 Router57
- M40 Router Components58
- Table 7: M40 Router Major Hardware Components58
- M40E Multiservice Edge Router Overview59
- Figure 6: M40E Router59
- M40E Router Major Hardware Components60
- Table 8: M40E Router Major Hardware Components60
- M120 Multiservice Edge Router Overview61
- Figure 7: Front View of an M120 Router61
- Figure 8: Rear View of an AC M120 Router62
- M120 Router Major Hardware Components63
- Figure 9: Rear View of a DC M120 Router63
- Table 9: M120 Router Major Hardware Components63
- M160 Internet Router Overview65
- Figure 10: M160 Router65
- M160 Router Major Hardware Components66
- Table 10: M160 Router Major Hardware Components66
- M320 Multiservice Edge Router Overview67
- M320 Router Major Hardware Components68
- Figure 11: M320 Router68
- Table 11: M320 Router Major Hardware Components69
Chapter 2 T Series Core Routers71
- T320 Core Router Overview71
- Figure 12: Front View of the T320 Router72
- Figure 13: Rear View of the T320 Router73
- T Series Core Routers73
- T320 Router Major Hardware Components74
- Table 12: T320 Router Major Hardware Components74
- T640 Core Router Overview75
- Figure 14: T640 Router76
- T640 Router Major Hardware Components77
- Table 13: T640 Router Major Hardware Components77
- T1600 Core Router Overview78
- Figure 15: Front View of the T1600 Router79
- Figure 16: Rear View of the T1600 Router80
- T1600 Router Major Hardware Components81
- Table 14: T1600 Router Major Hardware Components82
- TX Matrix Router Overview83
- Figure 17: Front View of a TX Matrix Router84
- Figure 18: Rear View of a TX Matrix Router85
- TX Matrix Router Major Hardware Components86
- Table 15: TX Matrix Router Major Hardware Components86
- TX Matrix Plus Router Overview87
- Figure 19: Front View of a TX Matrix Plus Router88
- TX Matrix Plus Router Major Hardware Components89
- Figure 20: Rear View of a TX Matrix Plus Router89
- Table 16: TX Matrix Plus Router Major Hardware Components89
- Methodology and Tools for Monitoring Router Components93
  - Method and Tools for Monitoring Router Components93
Chapter 3 Method and Tools for Monitoring Router Components95
- Basic Router Component Monitoring Method95
- Figure 21: Basic Method for Monitoring Router Components95
- Basic Router Component Monitoring Tools96
- Table 17: Basic Tools for Monitoring Router Components96
- Common Operational Mode Commands to Monitor Router Components100
- Table 18: Operational Mode Commands for Router Monitoring101
- Using the Basic Monitoring Method103
- Check the Router Component Status104
- Gather Component Alarm Information111
- Verify the Component Problem158
- Fix the Problem158
- Contact JTAC159
- Return the Failed Component160
- Monitoring Key and Common Router Components161
  - Monitoring Key Router Components161
Chapter 4 Monitoring Key Router Components163
- Understanding Key Router Components163
- Packet Forwarding Engine164
- Figure 22: Router Architecture164
- Table 36: Packet Forwarding Engine Forwarding Rate and Aggregate Throughput Characteristics Per Routing Platform164
- Table 37: Router Packet Forwarding Engine Components Per Routing165
- Data Flow through the Router Packet Forwarding Engine166
- Routing Engine181
Chapter 5 Monitoringtherouterchassis186
- Router Chassis Overview186
- Figure 36: M5 and M10 Router Chassis and Components187
- Figure 37: M7I Router Chassis and Components187
- Figure 38: M10I Router Chassis and Components188
- Figure 39: M20 Router Chassis and Components188
- Figure 40: M40 Router Chassis and Components189
- Figure 41: M40E Router Chassis and Components189
- Figure 42: M120 Router Chassis and Components190
- Figure 43: M160 Router Chassis and Components191
- Figure 44: M320 Router Chassis and Components191
- Figure 45: Front View of the T320 Router192
- Figure 46: Front View of the T320 Router193
- Figure 47: T640 Router and Components194
- Figure 48: Front View of the T1600 Router195
- Figure 49: Rear View of the T1600 Router196
- Figure 50: Front View of the TX Matrix Router197
- Figure 51: Rear View of the TX Matrix Router198
- Figure 52: Front View of the TX Matrix Plus Router199
- Figure 53: Rear View of the TX Matrix Plus Router200
- Check the Router Chassis Component Status200
  - Display the Hardware Components Installed in the Router Chassis200
  - Check the Component Environmental Status201
  - Check the Component Status from the Craft Interface202
- Check Router Alarms203
  - Display Component Error Messages in the System Log File205
  - Display Component Errors in the Chassis Daemon Log File205
- Verify Router Component Failure206
- Replace a Failed Component206
- Table 39: Checklist for Monitoring the Routing Engine209
Chapter 6 Monitoringtheroutingengine212
- Understanding the Routing Engine212
  - Routing Engine Types and Characteristics213
  - Table 40: Routing Engine Characteristics Per Routing Platform213
  - Figure 54: M7I and M10I Router Routing Engine214
  - Figure 55: M5, M10, M20, M40, M40E, M120 and M160 Router Routing214
  - Figure 56: M320 Router Routing Engine215
  - Figure 57: T320, T640, T1600, and TX Matrix Router Routing Engine215
  - Figure 58: TX Matrix Plus Router Routing Engine216
  - Routing Engine Locations216
  - Figure 59: M5, M10, and M20 Router Routing Engine Location216
  - Figure 60: M7I and M10I Router Routing Engine Location217
  - Figure 61: M40 Router Routing Engine Location217
  - Figure 62: M40E and M160 Router Routing Engine Location218
  - Figure 63: M120 Routing Engine Location219
  - Figure 64: M320 Router Routing Engine Location219
  - Figure 65: T320, T640, and T1600 Routing Engine Location220
  - Routing Engine Redundancy220
  - Table 41: Redundant Routing Engines221
- Monitor the Routing Engine Status222
- Check the Detailed Routing Engine Status223
- Check the Routing Engine Leds224
  - Check the M7I Routing Engine Leds224
  - Figure 66: M10I Routing Engine Leds225
  - Table 42: M7I Router Routing Engine LED States225
  - Check the M10I Router Routing Engine Leds225
  - Table 43: M10I Router Routing Engine Leds and Buttons225
  - Check the M20 Router Routing Engine Leds226
  - Figure 67: M20 Router Craft Interface Routing Engine Leds and Buttons226
  - Table 44: M20 Router Routing Engine Leds and Buttons226
  - Figure 68: M20 Router Routing Engine Panel227
  - Table 45: Routing Engine Panel Leds227
  - Check the M40 Router Routing Engine Leds227
  - Figure 69: M40 Routing Engine Panel228
  - Table 46: M40 Router Routing Engine Leds228
  - Check the M120 Router Routing Engine Leds228
  - Figure 70: Front Panel of the M120 Craft Interface229
  - Figure 71: M40E and M160 Router Redundant Host Module Leds229
  - Table 47: M120 Routing Engine LED229
  - Figure 72: M320 Router Redundant Host Module Leds230
  - Check the M320 Router Routing Engine Leds230
  - Table 48: M40E and M160 Router Host Module Leds230
  - Table 49: M320 Router Host Subsystem Leds230
  - Figure 73: T320 Router Redundant Host Module Leds231
  - Table 50: T320 Router Host Subsystem Leds231
  - Figure 74: T640 Router Redundant Host Module Leds232
  - Figure 75: T1600 Router Redundant Host Module Leds232
  - Check the T1600 Router Routing Engine Leds232
  - Table 51: T640 Router Host Subsystem Leds232
  - Figure 76: TX Matrix Router Redundant Host Module Leds233
- Check the Tx Matrix Router Routing Engine Leds233
- Table 52: T1600 Router Host Subsystem Leds233
- Table 53: TX Matrix Router Host Subsystem Leds233
- Check the Tx Matrix Plus Router Routing Engine Leds234
- Figure 77: TX Matrix Plus Router Routing Engine RE-C2600 Leds234
- Table 54: TX Matrix Plus Routing Engine RE-C2600 Leds234
- Verify Routing Engine Failure239
- Check Core Files if the Routing Engine Reboots240
  - List the Core Files Generated after a Crash Occurs240
  - Display the Messages Log File after a Crash Occurs240
  - Display the Log File When Kernel Crash Core File Is Not Generated241
- Check for Compactflash Card and Hard Disk Failure241
  - When the Compactflash Card Is Removed from the Boot List242
  - Determine Why Compactflash Card DID Not Mount242
  - When the Hard Disk Is Removed from the Boot List243
  - Verify that the Hard Disk DID Not Mount243
  - Verify that the Hard Disk Is Missing from the Boot List244
  - View Alarms When Media Is Removed from the Boot List244
- Understand What Happens When Memory Failures Occur245
- Check the Router File System and Boot Disk245
- Table 55: Storage Media Device Names245
- Display the Current Routing Engine Alarms246
- Display Error Messages in the System Log File247
- Document the Events Prior to the Failure247
- Display Routing Engine Hardware Information248
- Locate the Routing Engine Serial Number ID Label248
- Figure 78: M10I Router Routing Engine Serial Number ID Label Location249
- Figure 79: Routing Engine Serial Number ID Label Location for All Routers250
- M40 Router Routing Engine Serial Number ID Label Location250
- Figure 80: M40 Router Routing Engine Serial Number ID Label251
- Figure 81: M120 Routing Engine Serial Number Label251
- Figure 82: M320 Router Routing Engine Serial Number ID Label Location252
- Figure 83: T320 Router and T640 Router Routing Engine Serial Number ID252
- Figure 84: T1600 Router Routing Engine Serial Number ID Label253
- Figure 85: TX Matrix Router Routing Engine Serial Number ID Label Location254
- Figure 86: TX Matrix Plus Router Routing Engine Serial Number ID Label254
- Removing a Routing Engine255
- Table 56: Checklist for Monitoring Fpcs257
Chapter 7 Monitoringfpcs259
- Understanding Fpcs259
- Table 57: FPC Characteristics Per Routing Platform259
- Figure 87: FPC Numbering260
- Checking the Fpc Status260
- Checking for Fpc Alarms264
- Verifying Fpc Failure268
- Display the Fpc Hardware Information272
- Locating the Fpc Serial Number ID Label272
- Figure 89: M20 Router FPC Serial Number ID Label273
- Figure 90: M40 Router FPC Serial Number ID Label273
- Figure 91: M40E and M160 Router FPC Serial Number ID Label274
- Figure 92: M120 FPC Serial Number Label274
- Figure 93: M320 FPC Serial Number ID Label275
- Figure 94: T320 Router FPC Serial Number ID Label276
- Figure 95: T640 Router FPC Serial Number Label277
- Figure 96: T1600 Router FPC Serial Number Label278
- Replace the Fpc278
- Table 60: Checklist for Monitoring Pics279
Chapter 8 Monitoringpics280
- Pics Overview280
- Table 61: PIC Characteristics Per Routing Platform280
- Figure 97: PIC Location, Row, and Slot Numbering282
- Checking the Pic Status283
- Checking Pic Alarms286
  - Checking the Current Chassis Alarms286
  - Display the Error Messages in the System Log File286
- Verifying Pic Failure287
Chapter 9 Monitoring the Craft Interface293
- Checklist for Monitoring the Craft Interface293
- Table 63: Checklist for Monitoring the Craft Interface294
- Figure 103: M5 and M10 Router Craft Interface296
- Figure 104: M20 Router Craft Interface296
- Understanding the Craft Interface296
- Figure 105: M40 Router Craft Interface297
- Figure 106: M40E and M160 Router Craft Interface297
- Figure 107: M120 Router Craft Interface297
- Figure 108: M320 Router Craft Interface298
- Figure 109: T320, T640 and T1600 Router Craft Interface298
- Figure 110: TX Matrix Router Craft Interface298
- Figure 111: TX Matrix Plus Router Craft Interface299
- Table 64: Router Craft Interface Characteristics Per Routing Platform299
- Monitoring the Craft Interface Status300
- Viewing Craft Interface Information from the Command Line302
- Verifying Craft Interface Failure303
  - Display Craft Interface Error Messages in the System Log File304
  - Displaying Craft Interface Messages in the Chassis Daemon Log File304
  - Displaying Craft Interface Hardware Information305
- Replacing the Craft Interface306
- Figure 112: Removing the Lower Impeller Tray307
- Figure 113: Removing the Front Upper Impeller Assembly307
- Figure 114: Removing the M120 Craft Interface308
- Figure 115: Removing the M320 Router Craft Interface309
- Figure 116: Removing the TX Matrix Router Craft Interface310
- Figure 117: Removing the TX Matrix Plus Router Craft Interface311
- Locating the Craft Interface Serial Number ID Label311
  - Figure 118: M20 Router Craft Interface Serial Number ID Label312
  - Figure 119: M40 Router Craft Interface Serial Number ID Label312
  - Figure 120: M40E and M160 Router Craft Interface Serial Number ID Label313
  - Figure 121: M120 Router Craft Interface Serial Number ID Label313
  - Figure 122: M320 Router Craft Interface Serial Number ID Label314
  - Figure 123: T320, T640, and T1600 Router Craft Interface Serial Number ID314
  - Figure 124: TX Matrix Router Craft Interface Serial Number ID Label315
  - Figure 125: TX Matrix Plus Router Craft Interface Serial Number ID Label315
  - Returning the Craft Interface315
  - Table 65: Checklist for Monitoring Power Supplies317
Chapter 10 Monitoringpowersupplies319
- Understanding Power Supplies319
- Table 66: M Series Routers Power Supply Characteristics320
- Table 67: T Series Routers Power Supply Characteristics320
- Figure 126: M5 and M10 Router Power Supplies321
- Figure 127: M7I Router Power Supplies322
- Figure 128: M10I Router Power Supplies323
- Figure 129: M20 Router Power Supplies324
- Figure 130: M40 Router Power Supplies325
- Figure 131: M40E Router Power Supplies326
- Figure 132: M120 Router AC Power Supply327
- Figure 133: M120 Router DC Power Supply328
- Figure 134: M160 Router Power Supplies329
- Figure 135: M320 Router Power Supplies330
- Figure 136: T320 Router Power Supplies Location331
- Figure 137: T640 Router Power Supplies332
- Figure 138: TX Matrix Router 160-A DC Power Supply333
- Table 68: Supported Power Supplies333
- Figure 139: TX Matrix Router 240-A DC Power Supply334
- Table 69: Supported Power Supplies334
- Figure 140: TX Matrix Plus Router Power Supply335
- Checking the Power Supply Cables335
- Checking the Power Supply Status336
  - Check the Power Supply Environmental Status336
  - Check the Power Supply Leds337
  - Table 70: M5 and M10 Router Power Supply LED and Self-Test Button338
  - Table 71: M7I and M10I Router AC/DC Power Supply LED338
  - Table 72: M20 Router Power Supply Leds338
  - Table 73: M40 Router Power Supply Leds338
  - Table 74: M40E Router AC Power Supply LED339
  - Table 75: M40E Router DC Power Supply Leds339
  - Table 76: M120 Router Power Supply LED339
  - Table 77: M160 Router Power Supply Leds340
  - Table 78: M320 Router AC/DC Power Supply LED340
  - Table 79: T320 Router DC Power Supply LED341
  - Table 80: T640 Router Power Supply Leds341
  - Table 81: T1600 Router DC Power Supply Leds341
  - Table 82: T1600 Router Delta AC Power Supply Leds342
  - Table 83: TX Matrix Router Two-Input 160-A DC Power Supply Leds343
  - Table 84: TX Matrix Router Three-Input 240-A DC Power Supply Leds343
  - Table 85: TX Matrix Plus Router Power Supply Leds344
- Checking for Power Supply Alarms345
  - Displaying Current Power Supply Alarms345
  - Table 86: Power Supply Alarms345
  - Display Power Supply Error Messages in the System Log File348
  - Display Power Supply Error Messages in the Chassis Daemon Log File348
- Verifying Power Supply Failure349
  - Test the Power Supply352
- Getting Power Supply Hardware Information352
  - Displaying the Power Supply Hardware Information352
  - Table 87: Power Supply Serial Number ID Label Locations on M Series and T353
  - Figure 141: M5 and M10 Router Power Supply Serial Number ID Label354
  - Figure 142: M7I Router Power Supply Serial Number ID Label354
  - Figure 143: M10I Router Power Supply Serial Number ID Labels355
  - Figure 144: M20 Router Power Supply Serial Number ID Label355
  - Figure 145: M40 Router Power Supply Serial Number ID Label356
  - Figure 146: M40E Router AC Power Supply Serial Number ID Label356
  - Figure 147: M40E and M160 Router DC Power Supply Serial Number ID Label357
  - Figure 148: M120 AC Power Supply Serial Number Label357
  - Figure 149: M120 DC Power Supply Serial Number Label358
  - Figure 150: M320 Router AC and DC Power Supply Serial Number ID Label358
  - Figure 151: T320 Router DC Power Supply Serial Number ID Label359
  - Figure 152: T640, T1600, and TX Matrix Router DC Power Supply Serial Number359
  - Figure 153: TX Matrix Plus Router DC Power Supply Serial Number Label360
- Replacing the Power Supplies360
- Table 88: Checklist for Monitoring the Cooling System361
Chapter 11 Monitoringthecoolingsystem362
- Understanding the Cooling System362
- Table 89: M Series Routers Cooling System Components Per Routing363
- Table 90: T Series Routers Cooling System Components Per Routing363
- Figure 154: M5 and M10 Router Cooling System and Airflow364
- Figure 155: M7I Router Cooling System and Airflow365
- Figure 156: M10I Router Cooling System and Airflow365
- Figure 157: M20 Router Cooling System Components366
- Figure 158: M20 Router Cooling System and Airflow366
- Figure 159: M40 Router Impeller Trays367
- Figure 160: M40 Router Air Filter and Fan Tray368
- Figure 161: M40 Router Cooling System and Airflow368
- Figure 162: M40E and M160 Router Cooling System Components370
- Figure 163: M40E and M160 Router Cooling System and Airflow371
- Figure 164: Airflow through the M120 Router Chassis372
- Figure 165: M120 Router Front Fan Tray372
- Figure 166: M120 Router Rear Fan Tray372
- Figure 167: M320 Router Cooling System and Airflow373
- Figure 168: M320 Router Cooling System and Airflow374
- Figure 169: T320 Router Cooling System Components375
- Figure 170: T320 Router Cooling System and Airflow375
- Figure 171: T640 Router Cooling System Components376
- Figure 172: T640 Router Cooling System and Airflow376
- Figure 173: Quiet Upper Front Fan Tray377
- Figure 174: Quiet Lower Front Fan Tray377
- Figure 175: T1600 Router Cooling System Components378
- Figure 176: T1600 Router Cooling System and Airflow378
- Figure 177: TX Matrix Router Cooling System Components380
- Figure 178: TX Matrix Router Cooling System and Airflow380
- Figure 179: TX Matrix Plus Router Cooling System Components382
- Figure 180: TX Matrix Plus Router Cooling System and Airflow382
- Checking the Cooling System Status383
- Checking the Cooling System Alarms389
  - Check the Alarm Indicators on the Craft Interface389
  - Display Current Cooling System Alarms390
  - Table 91: Cooling System Alarm Messages390
  - Display Cooling System Error Messages in the System Log File392
- Maintaining the Air Filter393
- Verifying a Fan Failure393
- Verifying an Impeller Failure393
- Replacing a Cooling System Component394
Chapter 12 Maintaining the Cable Management System, Cables, and Connectors395
- Understanding the Cable Management System, Cables, and Connectors396
- Figure 181: M5 and M10 Router Cable Management System397
- Figure 182: M10I Router Cable Management System398
- Figure 183: M20 Router Cable Management System398
- Figure 184: M40 Router Cable Management System and Cover399
- Figure 185: M40E and M160 Routers Cable Management System399
- Figure 186: M120 Router Cable Management System400
- Figure 187: M320 Router Cable Management System400
- Figure 188: T320 Router, T640 Router, and T1600 Router Cable Management401
- Figure 189: TX Matrix Router Cable Management System402
- Figure 190: TX Matrix Plus Rear Cable Management System403
- Maintaining the Pic Cables403
- Maintaining the Pic Fiber-Optic Cable404
- Cleaning the Transceivers405
- Checking the Pic Port Status405
  - Check the Pic or Fpc Led Status405
  - Table 93: M5, M10, and M20 Router PIC Leds405
  - Table 94: M40E, M160, T320, and T640 Router FPC Leds406
  - Display the Pic Media Type406
- Maintaining the Power Cables407
- Replacing the Cable Management System408
- Maintaining Routing Engine External Cables408
- Table 95: Checklist for Monitoring the Host Subsystem411
- Table 92: Checklist for Maintaining Cables and Connectors395
Chapter 13 Monitoring the Host Subsystem412
- Understanding the Host Subsystem412
- Figure 191: M120 Router Routing Engine Component413
- Figure 192: M320 Router Routing Engine Component413
- Figure 193: T320, T640, and T1600 Router Routing Engine Component414
- Figure 194: TX Matrix Router Routing Engine Component414
- Figure 195: TX Matrix Plus Router Routing Engine Component415
- Figure 196: M120 Router Control Board Component416
- Figure 197: M320 Router Control Board Component416
- Figure 198: T320 Router Control Board Component416
- Figure 199: T640 Router Control Board Component417
- Figure 200: T1600 Router Control Board Component417
- Figure 201: TX Matrix Router Control Board Component418
- Figure 202: TX Matrix Router Control Board Component419
- Checking the Host Subsystem Status419
- Figure 203: M120 Router Host Subsystem Craft Interface Leds420
- Figure 204: M320 Router Host Subsystem Craft Interface Leds420
- Table 96: M120 Router Host Subsystem Craft Interface Leds420
- Figure 205: T320, T640, and T1600 Router Host Subsystem Craft Interface421
- Table 97: M320 Router Routing Engine Craft Interface Leds421
- Table 98: T320, T640, and T1600 Router Host Subsystem Craft Interface421
- Figure 206: TX Matrix Router Host Subsystem Craft Interface Leds422
- Table 99: TX Matrix Router Host Subsystem Craft Interface Leds422
- Checking the Routing Engine Status422
- Checking the Control Board Status423
Chapter 14 Monitoring Control Boards425
- Checklist for Monitoring the Control Board425
- Table 100: Checklist for Monitoring the Control Board426
- Figure 207: M320 Router Control Board Component427
- Figure 208: T320 Router Control Board Component428
- Figure 209: T640 Router Control Board Component428
- Figure 210: T1600 T Series Control Board (T-CB)429
- Figure 211: T1600 Line-Card Chassis Control Board (LCC-CB)429
- Figure 212: TX Matrix Router Control Board (TX-CB)429
- Tx Matrix Plus Router Control Board430
- Figure 213: TX Matrix Plus Router Control Board (TXP-CB)430
- Figure 214: M320, T320, T640, and T1600 Router Control Board Location431
- Figure 215: TX Matrix Router and TX Matrix Plus Router Control Board432
- Monitor the Control Board Status432
  - Check the Control Board Status from the Craft Interface433
  - Table 101: T320, T640 and T1600 Router Host Subsystem Craft Interface434
  - Table 102: TX Matrix Router Host Subsystem Craft Interface Leds434
  - Table 103: Control Board Alarm Messages435
  - Display Control Board Alarms435
  - Check the Control Board Leds435
  - Table 104: Control Board Leds436
- Verify Control Board Failure437
- Figure 216: Component Fuses in the M320 Router Midplane438
- Locate the Control Board Serial Number ID Label440
- Figure 217: M320 Router Control Board Serial Number ID Label Location440
- Figure 218: T320 Router and T640 Router Control Board Serial Number ID441
- Figure 219: T1600 Router Control Board Serial Number ID Label441
- Figure 220: TX Matrix Router Control Board Serial Number ID Label442
- Figure 221: TX Matrix Plus Router Control Board Serial Number ID Label443
Chapter 15 Monitoring the Scgs445
- Checklist for Monitoring the Scg445
- Table 105: Checklist for Monitoring the SCG446
- Scg Overview446
- Figure 222: SCG Component447
- Figure 223: T320, T640, and T1600 Router SCG Location447
- Monitor the Scg Status448
- Determine Scg Mastership450
- Display Scg Alarms451
- Verify Scg Failure452
  - Check the Scg Connection453
  - Perform an Scg Swap Test453
- Get Scg Hardware Information454
Chapter 16 Monitoringthesibs457
- Monitoring the Sibs457
- Table 108: Checklist for Monitoring the Sibs458
- Understanding the Sibs458
- Monitoring the Sib Status465
- Displaying Sib Alarms468
- Verifying Sib Failure470
- Getting Sib Hardware Information472
- Returning the Sib475
- Monitoring M40E and M160 Router-Specific Components477
- Table 112: Checklist for Monitoring the Host Module479
Chapter 17 Monitoringthehostmodule479
- Host Module Overview479
- Figure 238: Routing Engine480
- Figure 239: Miscellaneous Control Subsystem480
- Figure 240: M40E and M160 Router Host Module Location481
- Check the Host Module Status481
- Figure 241: M40E and M160 Router Host Module Leds on the Craft Interface482
- Table 113: M40E and M160 Router Host Module Leds482
- Check the Routing Engine Status482
Chapter 18 Monitoring the Sfms485
- Checklist for Monitoring the Sfms485
- Table 114: Checklist for Monitoring the Sfms486
- Sfm Overview486
- Figure 242: SFM Component487
- Figure 243: M40E and M160 Router SFM Location487
- Monitor the Sfm Status488
- Table 115: SFM Leds490
- Display Sfm Alarms491
  - Display Current Sfm Alarms491
  - Figure 244: M40E M160 Router Fuses494
- Obtain Sfm Hardware Information495
  - Locate the Sfm Serial Number ID Label496
  - Figure 245: SFM Serial Number ID Label496
- Replace the Sfm496
Chapter 19 Monitoring the Mcs499
- Checklist for Monitoring the Mcs499
- Mcs Overview500
- Verifying Mcs Failure504
- Getting Mcs Hardware Information506
  - Locate the Mcs Serial Number ID Label507
  - Figure 250: MCS Serial Number ID Label507
- Returning the Mcs507
Chapter 20 Monitoring the Pcg509
- Checklist for Monitoring the Pcg509
- Table 119: Checklist for Monitoring the PCG510
- Figure 251: PCG Component511
- Pcg Overview511
- Figure 252: M40E and M160 Router PCG Location512
- Monitor the Pcg Status512
- Determine Pcg Mastership514
  - Display the Pcg Master in the Craft Interface Output514
  - Check the Pcg Led States for Pcg Mastership on the Faceplate515
- Display Pcg Alarms516
- Verify Pcg Failure518
- Obtain Pcg Hardware Information519
  - Locate the Pcg Serial Number ID Label520
  - Figure 254: PCG Serial Number ID Label520
- Replace the Pcg520
Chapter 21 Monitoring the Cip523
- Checklist for Monitoring the Cip523
- Table 121: Checklist for Monitoring the CIP524
- Cip Overview524
- Figure 255: CIP Component525
- Figure 256: M40E and M160 Router CIP Location526
- Monitor the Cip Status526
- Check for Cip Alarms527
- Verify Cip Failure528
  - Check the Cip Connection528
- Get Cip Hardware Information530
  - Display Cip Hardware Information530
  - Figure 257: CIP Serial Number ID Label531
- Replace the Cip531
- Monitoring M40 Router-Specific Components533
Chapter 22 Monitoring the Scb535
- Checklist for Monitoring the Scb535
- Scb Overview536
- Figure 258: SCB Component536
- Table 122: Checklist for Monitoring the SCB536
- Figure 259: M40 Router SCB Location537
- Monitor the Scb Status538
- Check for Scb Alarms540
  - Display Scb Error Messages in the System Log File540
  - Display Scb Error Messages in the Chassis Daemon Log File541
- Verify Scb Failure542
- Obtain Scb Hardware Information544
- Return the Scb545
- Monitoring M20 Router-Specific Components547
Chapter 23 Monitoring the Ssb549
- Checklist for Monitoring the Ssb549
- Table 124: Checklist for Monitoring the SSB550
- Ssb Overview550
- Figure 262: SSB Component551
- Figure 263: M20 Router SSB Location551
- Monitor the Ssb Status552
- Obtain Ssb Hardware Information557
- Monitoring M7I and M10I Router-Specific Components559
Chapter 24 Monitoring the Cfeb561
- Checklist for Monitoring the Cfeb561
- Table 126: Checklist for Monitoring the CFEB562
- Cfeb Overview563
- Figure 266: M7I Router CFEB564
- Figure 267: M7I Router CFEB with ASP-I564
- Figure 268: M10I Router CFEB Component565
- Figure 269: M7I and M10I Router CFEB Location565
- Monitor the Cfeb Status565
  - Display the Cfeb Detailed Status566
  - Table 127: CFEB Leds567
- Check for Cfeb Alarms567
- Verify Cfeb Failure570
  - Check the Cfeb Uptime570
- Obtain Cfeb Hardware Information573
- Return the Cfeb574
Chapter 25 Monitoring the Hcm575
- Checklist for Monitoring the Hcm575
- Table 129: Checklist for Monitoring the HCM576
- Hcm Overview576
- Obtain Hcm Hardware Information585
Chapter 26 Monitoring the Fic587
- Checklist for Monitoring the Fic587
- Figure 274: M7I Router FIC with Fast Ethernet Ports588
- Table 132: Checklist for Monitoring the FIC588
- Understanding the Fic588
- Monitor the Fic Status590
  - Display Fic Status at the Command Line590
  - Check Fic Leds590
- Display Fic Alarms591
- Display Fic Hardware Information592
  - Display the Fic Hardware Information592
  - Display the M7I Router Chassis Serial Number592
- Monitoring M5, M10 and M120 Router-Specific Components595
Chapter 27 Monitoring the Feb597
- Checklist for Monitoring the Feb597
- Table 134: Checklist for Monitoring the FEB598
- Feb Overview598
- Figure 278: FEB Component599
- Figure 279: M5 and M10 Router FEB Location599
- Monitor the Feb Status599
  - Display the Feb Environmental Status600
  - Display the Feb Detailed Status600
- Verify Feb Failure601
- Obtain Feb Hardware Information603
- Monitoring Redundant Router Components605
Chapter 28 Host Redundancy Overview607
- Checklist for Host Redundancy607
- Table 135: Checklist for Host Redundancy609
- Figure 281: M10I Router Redundant Routing Engines and Hcms610
- Figure 282: M20 Router Redundant Routing Engines and Ssbs610
- Figure 283: M40E and M160 Router Redundant Host Modules611
- M120 Router Redundant Host Subsystems611
- Figure 284: M120 Router Redundant Host Subsystems612
- Figure 285: M320 Router, T320 Router, T640, and T1600 Router Redundant613
- Tx Matrix and Tx Matrix Plus Redundant Host Subsystems613
- Figure 286: TX Matrix and TX Matrix Plus Router Redundant Host614
- Figure 287: Redundancy Connection for an M10I Router615
- Redundancy Connection for an M20 Router615
- Figure 288: Redundancy Connection for an M20 Router616
- Redundancy Connection for an M40E or M160 Router616
- Figure 289: Redundancy Connection for an M40E or M160 Router617
- Figure 290: Redundancy Connection for an M120 Router617
- Figure 291: Redundancy Connection for an M320 Router618
- Redundancy Connection for a T320 Router, T640 Router, and T1600 Router618
- Figure 292: Redundancy Connection for a T320 Router, T640 Router, or T1600619
- Determine Which Routing Engine You Are Logged in to619
  - Display Routing Engine Status619
  - Display the Router Hardware620
- Determining Routing Engine Mastership621
  - Determine the Routing Engine Mastership by Checking Status621
- Manually Configue Master and Backup Routing Engines622
- Manually Switching Routing Engine Mastership625
- Table 136: Logging Events626
- Determining Why Mastership Switched626
- Avoid Redundancy Problems630
  - Synchronize Configurations632
  - Copy a Configuration File from One Routing Engine to Another632
  - Use the Proper Shutdown Process on a Backup Routing Engine633
Chapter 29 Monitoring Redundant Routing Engines635
- Checklist for Monitoring Redundant Routing Engines635
- Redundant Routing Engine Automatic Failover Overview642
- Using the Redundant Routing Engine Configuration643
- Check the Default Routing Engine Redundancy Behavior644
- Display the Redundant Routing Engines Installed in the Router644
- Display Redundant Routing Engine Mastership and Backup646
- Displaying Redundant Routing Engine Errors647
- Manually Switch from Master to Backup Routing Engine647
- Table 139: Routing Engine Mastership Election648
- Replace a Redundant Routing Engine649
- Table 140: Checklist for Monitoring Redundant Power Supplies651
- Table 141: Router Power Supply Characteristics Per Routing Platform652
Chapter 30 Monitoringredundantpowersupplies652
- Understanding Redundant Power Supplies652
- Figure 299: M5 and M10 Router Redundant Power Supplies653
- Figure 300: M7I Router Redundant Power Supplies654
- Figure 301: M10I Router Redundant Power Supplies655
- Figure 302: M20 Router Redundant Power Supplies656
- Figure 303: M40 Router Redundant Power Supplies657
- Figure 304: M40E Router Redundant Power Supplies658
- Figure 305: M160 Router Redundant Power Supplies660
- Figure 306: T1600 Router Redundant Power Supplies661
- Figure 307: TX Matrix Router Redundant Power Supplies662
- Figure 308: TX Matrix Plus Router Redundant Power Supplies663
- Table 142: Checklist for Monitoring Redundant Cooling System Components667
- Table 143: M Series Router Redundant Cooling System Components668
- Table 144: T Series Routers Redundant Cooling System Components669
Chapter 31 Monitoringredundantcoolingsystemcomponents669
- M5 and M10 Router Redundant Cooling System Components669
- Figure 309: M5 and M10 Router Cooling System and Airflow670
- Figure 310: M7I Router Cooling System and Airflow671
- Figure 311: M10I Router Cooling System Components and Airflow671
- Figure 312: M20 Router Cooling System and Airflow672
- Figure 313: M20 Router Cooling System Components673
- Figure 314: M40 Router Impeller Trays674
- Figure 315: M40 Router Air Filter and Fan Tray674
- Figure 316: M40E and M160 Router Cooling System and Airflow675
- Figure 317: M40E and M160 Router Cooling System Components676
- Figure 318: M120 Router Cooling System and Airflow677
- Figure 319: M320 Router Cooling System and Airflow678
- Figure 320: M320 Router Cooling System Components678
- Figure 321: T320 Router Cooling System and Airflow679
- Figure 322: T320 Router Cooling System Components680
- Figure 323: T640 Router Cooling System and Airflow681
- Figure 324: T640 Router Cooling System Components682
- Figure 325: T1600 Router Cooling System and Airflow683
- Figure 326: T1600 Router Cooling System Components684
- Figure 327: TX Matrix Router Cooling System and Airflow685
- Figure 328: TX Matrix Router Cooling System Components685
- Figure 329: TX Matrix Plus Router Cooling System and Airflow686
- Figure 330: TX Matrix Plus Router Cooling System Components687
- Table 145: Checklist for Monitoring Redundant Sibs693
- Table 146: SIB Packet Forwarding Characteristics694
Chapter 32 Monitoringredundantsibs694
- Understanding Redundant Sibs694
- Figure 331: M320 Router, T320 Router, T640 Router, and T1600 Router SIB695
- Figure 332: TX Matrix Router and TX Matrix Plus Router SIB Location696
- Display Redundant Sib Hardware Information697
- Display Sib Redundancy Information697
Chapter 33 Monitoring Redundant Scgs701
- Checklist for Monitoring the Redundant Scg701
- Table 147: Checklist for Monitoring the Redundant SCG702
- Redundant Scgs Overview702
- Figure 333: T320 Router T640 Router, and T1600 Redundant SCG Location703
- Monitor Redundant Scg Status704
Chapter 34 Monitoring Redundant Control Boards709
- Checklist for Monitoring Redundant Control Boards709
- Table 149: Checklist for Monitoring Redundant Control Boards710
- Redundant Control Boards Overview710
- Figure 334: M320 Router, T320 Router, T640 Router, and T1600 Router Control712
- Figure 335: TX Matrix Router and TX Matrix Plus Router Control Board713
- Display Redundant Control Board Hardware Information713
- Display Redundant Control Board Mastership714
  - Check the Redundant Control Board Environmental Status714
  - Table 150: Control Board Leds716
- Switch Control Board Mastership716
- Check the Control Board Alarms716
- Replace a Control Board716
Chapter 35 Monitoring Redundant Mcss719
- Checklist for Monitoring Redundant Mcss719
- Table 151: Checklist for Monitoring Redundant Mcss720
- Redundant Mcss Overview720
- Figure 336: M40E and M160 Router Redundant Mcss721
- Monitoring Redundant Mcs Status722
- Switch Mcs Mastership724
- Perform a Swap Test on a Redundant Mcs725
Chapter 36 Monitoringredundantsfms727
- Monitoring Redundant Sfms727
- Table 153: Checklist for Monitoring Redundant Sfms728
- Figure 337: M40E and M160 Router SFM Location730
- Check M40E Router Redundant Sfm Configuration730
- Understand M40E Router Redundant Sfm Operation731
- Understand M160 Router Redundant Sfm Operation731
- Display Redundant Sfm Hardware Information731
- Monitor Redundant Sfm Status732
- Table 154: SFM Leds735
- Display M40E Router Redundant Sfm Mastership737
  - Display Sfm Mastership at the Command Line737
  - Display Sfm Mastership Information from the Craft Interface738
- Display Redundant Sfm Alarms739
- Control Redundant Sfms742
- Replace an Sfm744
Chapter 37 Monitoring Redundant Pcgs747
- Checklist for Monitoring Redundant Pcgs747
- Table 155: Checklist for Monitoring Redundant Pcgs748
- Redundant Pcgs Overview748
- Figure 338: M40E and M160 Router PCG Location749
- Display Redundant Pcg Hardware Information749
- Monitor Redundant Pcg Status750
- Determine Redundant Pcg Mastership752
  - Display the Pcg Master from the Craft Interface752
  - Check the Pcg Leds for Mastership on the Faceplate753
- Display Pcg Failure Alarms753
- Replace a Pcg754
- Bring the Replaced Pcg Online755
- Verify that the Replaced Pcg Is Online755
  - Display the Replaced Pcg Environmental Status755
  - Display Pcg Messages in the System Log File756
Chapter 38 Monitoring Redundant Ssbs759
- Checklist for Monitoring Redundant Ssbs759
- Table 157: Checklist for Monitoring Redundant Ssbs760
- Redundant Ssbs Overview761
- Figure 339: M20 Router Redundant SSB Location762
- Display Redundant Ssb Configuration762
- Displaying Redundant Ssb Hardware Information763
- Monitor Redundant Ssb Status763
- Displaying Redundant Ssb Mastership766
- Switch Ssb Mastership770
Chapter 39 Monitoring Redundant Cfebs773
- Checklist for Monitoring the Cfebs773
- Redundant Cfebs Overview774
- Table 159: Checklist for Monitoring the CFEB774
- Figure 341: M10I Router CFEB Location775
- Display Cfeb Mastership776
  - Display the Cfeb Status776
- Table 160: CFEB Leds776
Chapter 40 Monitoring Redundant Hcms779
- Checklist for Monitoring Redundant Hcms779
- Figure 342: Redundant Hcms780
- Table 161: Checklist for Monitoring Redundant Hcms780
- Redundant Hcms Overview780
- Display Redundant Hcm Hardware Information781
- Display Hcm Status and Mastership781
  - Check the Hcm Leds781
  - Table 162: HCM Leds782
- Verify Hcm Failure784

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