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Alarms and Traps
Setting Alarms
5967–9446 439
To set different rising and falling thresholds
1 Configure an alarm as discussed on page 433.
2 Push the Options… button.
3 Set separate thresholds for Rising Event and Falling
Event.
With many network problems, a monitored object fluctuates around a
given value for a period of time, crossing and recrossing the threshold in
each direction. As a result, an alarm may trigger several times without
actually signaling a new network problem.
For example, figure 89 on page 436 shows a rising alarm that triggers
four times. The first and second alarms are probably related to the same
network problem. Similarly, the third and fourth alarms are probably
related.
Figure 90, in contrast, shows how setting different rising and falling
thresholds can minimize unnecessary alarms.
Figure 90 Rising Alarm with Different Rising and Falling Thresholds
Normal range for
monitored object
Falling threshold
Rising alarm triggers
two times, at the
numbered locations
Alarm rearms when
falling threshold is
crossed at
➘
➀➁
Rising threshold
➘
Graph represents
value of monitored
object over time
- The New World of 3
- Network Management 3
- 5967–9446 5 6
- Reporter—At a Glance 7
- 5967–9446 7 8
- 8 5967–9446 9
- 5967–9446 9 10
- Load Monitor—At a Glance 11
- 5967–9446 11 12
- Protocol Analyzer—At a Glance 13
- 5967–9446 13 14
- 5967–9446 15 16
- Applications and Agents 17
- 5967–9446 17 18
- 5967–9446 19 20
- In This Book 22
- 22 5967–9446 23
- Contents 24
- Component Health Graphs 114 26
- Scheduling Reports 125 26
- Setting Up Report Output 132 26
- Exception Reporting 139 26
- Launching Other Tools 212 28
- Traffic Profile Modeling 217 28
- Printing and Saving Data 237 28
- Load Monitor 245 29
- Running Load Monitor 247 29
- Displaying Load 258 29
- Changing Properties 284 29
- 5967–9446 29 30
- Protocol Decodes 407 32
- Alarms and Traps 417 32
- Configuring Traps 419 32
- Setting Alarms 430 32
- Token Ring Applications 491 34
- Protocol Distribution 503 34
- RMON Log Table 515 34
- RMON Status 523 34
- Graphs and Tables 527 35
- Working with Graphs 528 35
- Working with Data Tables 537 35
- Index 541 35
- Introduction 40
- 40 5967–9446 41
- Graph Data Type 44
- Manager is installed 44
- Temporary Files 45
- 5967–9446 45 46
- Reporter’s Web Interface 47
- Baselines 48
- Running Reporter 51
- HP NetMetrix Demonstration➤ 52
- Internetwork Reporting… 52
- To start Reporter 53
- ➤Display Now… 55
- To print a displayed report 56
- To modify selected reports 57
- Specify the report file name 58
- To create a new, blank report 59
- To remove selected reports 59
- To exit Reporter 61
- Creating Reports 62
- ➤Display Now… to check the 63
- To select data sources 65
- Choose File➤Save As… 67
- 68 5967–9446 69
- To generate the report 70
- To save a report 70
- ➤New Report… 71
- ➤Display Now… to view the 71
- ➤Save… to save 71
- Manipulating Graphs 72
- To add graphs to a report 73
- To modify selected graphs 74
- To remove a graph 74
- Protocol Distribution Graphs 79
- 78 5967–9446 79
- To configure a Top N graph 81
- Top N Graphs 82
- 82 5967–9446 83
- Network Health Graphs 84
- Graph parameters as needed 85
- 86 5967–9446 87
- 88 5967–9446 89
- 90 5967–9446 91
- 92 5967–9446 93
- 5967–9446 93 94
- 96 5967–9446 97
- 98 5967–9446 99
- Reporter 101
- 100 5967–9446 101
- 102 5967–9446 103
- 104 5967–9446 105
- Response Profile Graphs 106
- Important 107
- 108 5967–9446 109
- 5967–9446 111
- Target Names 113
- 5967–9446 113 114
- 5967–9446 115 116
- Component Health Graphs 118
- 118 5967–9446 119
- 120 5967–9446 121
- 122 5967–9446 123
- 5967–9446 123 124
- Scheduling Reports 126
- ➤Schedule/Output Setup… 127
- Select Generate Report Daily 128
- To set a custom schedule 130
- 130 5967–9446 131
- Figure 23 Schedule: Custom 131
- To suspend a report 132
- Setting Up Report Output 133
- To send output to a printer 134
- Select Output to Screen 135
- Indicate the X display 135
- To save output in a file 136
- Select Output to Mail 137
- Select Output to Command 138
- 138 5967–9446 139
- Figure 28 Output to a Command 139
- Valid report configurations 143
- 5967–9446 143 144
- Choose Exception parameters 146
- Choose Disabled 146
- 5967–9446 149 150
- 5967–9446 151 152
- To change the graph settings 154
- 154 5967–9446 155
- 156 5967–9446 157
- To specify the graph style 159
- To select a font 161
- Internetwork Monitor 162
- Running Internetwork Monitor 164
- To access live data 165
- To access archive files 167
- 168 5967–9446 169
- To view the error log 170
- To exit Internetwork Monitor 170
- Viewing the Internetwork 171
- 5967–9446 171 172
- 174 5967–9446 175
- Traffic Placement 176
- ➤View Properties… 177
- 180 5967–9446 181
- Choose Report➤Data Report… 183
- 184 5967–9446 185
- 186 5967–9446 187
- Color and Line Styles 188
- To pause the view 191
- Choose Time 192
- Choose the Time Mode to use 192
- Choose Traffic 195
- To set the threshold 196
- Manipulating the View 201
- To select items 202
- To display labels 203
- To remove labels 204
- To display information boxes 204
- 204 5967–9446 205
- 5967–9446 205 206
- To rotate a segment ring 208
- To move nodes 209
- Type Network Address Format 212
- Launching Other Tools 213
- 5967–9446 213 214
- ● you are viewing a model 214
- To create a model 219
- To manipulate a model 220
- Traffic Profile Modeling 223
- 222 5967–9446 223
- 5967–9446 223 224
- To save a model 226
- To load a model 227
- Node-to-Segment Assignments 228
- Address Placement 229
- Nodes on Unmonitored Segments 230
- Interconnect Devices 230
- 232 5967–9446 233
- Routed Traffic 234
- 236 5967–9446 237
- Printing and Saving Data 238
- 2 Specify Graph output 239
- To print graph(s) in color 241
- 2 Specify Text output 242
- Working with Properties Files 243
- To save properties in a file 244
- To load a properties file 244
- 244 5967–9446 245
- Load Monitor 246
- Running Load Monitor 248
- To access extended RMON data 249
- 250 5967–9446 251
- To access standard RMON data 252
- Give the command: 255
- To view a different instance 257
- To exit Load Monitor 258
- Displaying Load 259
- 5967–9446 259 260
- To use Zoom 263
- Zoom Elements and Paths 265
- Zoom Pop-Up Menus 266
- Useful Zoom Paths 267
- ➞Destination➞Time 268
- ➞Source➞ 268
- 5967–9446 269 270
- ➤Properties➤Graph… 273
- To rotate a segment graph 274
- To search for a data point 275
- Protocol Search Window 276
- Time Search Window 276
- Size Search Window 276
- 278 5967–9446 279
- Figure 61 Effects of Expand 279
- 280 5967–9446 281
- Figure 62 Effects of Contract 281
- Changing Properties 285
- Graph Properties 287
- ➤Data… from any Zoom pop-up 289
- 5967–9446 289 290
- 5967–9446 291 292
- To sort data 294
- To set the Zoom layout 299
- 5967–9446 309 310
- 5967–9446 311 312
- 5967–9446 313 314
- 5967–9446 315 316
- ● A detected AIS defect 316
- 5967–9446 317 318
- Size graph 320
- 5967–9446 329 330
- 5967–9446 331 332
- Working with Collected Data 334
- ➤Print… from the view window 335
- To load an archive file 337
- Availability of Features 338
- Extended RMON Data 339
- Standard RMON Data 339
- Protocol Analyzer 340
- Running Protocol Analyzer 342
- To run Protocol Analyzer 343
- 5967–9446 343 344
- To exit Protocol Analyzer 347
- 5967–9446 347 348
- ➤Start to 350
- To remove an instance 353
- To start an instance 354
- To stop an instance 355
- To arm an instance 356
- ➤Interface… menu to select 359
- 5967–9446 359 360
- Filter Expression Language 362
- To filter by host 363
- Building a Filter 364
- To filter by protocol 367
- 5967–9446 367 368
- To filter by packet status 370
- 370 5967–9446 371
- Choose Filter➤Pattern… 372
- AND), 375
- 5967–9446 375 376
- ::= num 378
- Description of Terms 380
- Working with Captured Packets 381
- To view packets 382
- 382 5967–9446 383
- Window Panes 384
- Scrolling 384
- Navigation 385
- Error and Information Packets 386
- To mark packets 387
- To unmark packets 387
- To search for a packet 388
- To tailor the Summary pane 390
- To load a trace file 395
- Choose Instance➤Post Filter 396
- Choose View➤Traffic Trend… 397
- 5967–9446 397 398
- To load a filter/settings file 401
- ➤Save Filter/ 402
- Protocol Decodes 409
- 408 5967–9446 409
- 410 5967–9446 411
- 412 5967–9446 413
- 414 5967–9446 415
- 416 5967–9446 417
- Alarms and Traps 418
- Configuring Traps 420
- To manage trap groups 421
- 5967–9446 421 422
- Network Trap Destinations 424
- HP Probe-Specific Events/Traps 430
- Setting Alarms 431
- To manage alarms 432
- Thresholds 437
- 5967–9446 437 438
- Push the Options… button 440
- Examples 445
- 5967–9446 445 446
- 5967–9446 447 448
- 5967–9446 449 450
- Trap Handling 452
- To display an alarm’s log 453
- 5967–9446 453 454
- Live Statistics 456
- Multi-Segment Statistics 458
- ➤RMON Statistics➤Live 459
- ➤Multi-Segment… 459
- ➤Node Graph… 463
- 5967–9446 463 464
- ➤Node Table… 466
- This data source’s 467
- Host table shows 467
- To export statistics to a file 468
- Traffic Matrix 469
- ➤Traffic Matrix Graph… 470
- ➤Traffic Matrix Table… 473
- Traffic Matrix table, as 474
- Table is sorted by the 474
- Octets column 474
- Historical Statistics 476
- Displaying Statistics 478
- Available Statistics 479
- Interpreting Data Loss 480
- To display the hourly study 481
- ➤RMON Statistics➤ Historical 483
- ➤Hourly… 483
- To display the daily study 484
- To display the monthly study 485
- Using Baselines 486
- High and Low Baselines 487
- Cumulative Averages 488
- ➤Monthly Baseline… 489
- ➤Monthly Baseline…, NetMetrix 489
- ➤Yearly Baseline… 491
- ➤Yearly Baseline…, NetMetrix 491
- Token Ring Applications 492
- To display token ring status 494
- ➤RMON Statistics➤ Token 499
- ➤Remove Station… 499
- Token Ring Remove Station 500
- ➤RMON Statistics➤Token Ring 501
- ➤Ring Entry Errors Table… 501
- ➤Save As… and specifying the 502
- Token Ring Entry Errors 503
- 502 5967–9446 503
- Protocol Distribution 504
- ➤Protocol Distribution… 506
- To pause the application 509
- To select the graph units 510
- To exit Protocol Distribution 511
- LanProbe IP Address 512
- Tracking 512
- LanProbe IP Address Tracking 513
- To display the IP Table 514
- RMON Log Table 517
- To display the log table 518
- To sort the log table 519
- To filter by event 520
- Filtering by Event 521
- 520 5967–9446 521
- To exit RMON Log Table 522
- 522 5967–9446 523
- RMON Status 524
- RMON group 526
- To exit RMON Status 527
- Graphs and Tables 528
- Working with Graphs 530
- Choose View➤Time Intervals… 533
- 5967–9446 533 534
- The View menu’s 536
- ➤Show/Hide 537
- ➤Show Legend 537
- ➤Show Grid 537
- Working with Data Tables 538
- To sort a table 539
- To print a table 540
- To save a table 540
- 540 5967–9446 541
- 5967–9446 541 542
- User’s Guide 544
- 544 5967–9446 545
- 546 5967–9446 547
- 548 5967–9446 549
- Software License Agreement 551
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