Dell S3100 Command Line Reference Guide for the Series 9.100.0 - Page 1372
tunnel keepalive
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Version 9.8(0.0P2) 9.7(0.0) 9.5(0.1) 9.3(0.0) Description Introduced on the S3048-ON. Introduced on the S6000-ON. Introduced on the Z9500. Introduced on the S6000, S4810, S4820T, Z9000. Usage Information A value of 0 copies the inner packet hop limit (ipv6) or time-to-live (ipv4) in the encapsulated packet to the tunnel header hop limit (ipv6) or time-to-live (ipv4) value. tunnel keepalive Configure the tunnel keepalive target, interval and attempts. Syntax tunnel keepalive {ip-address | ipv6-address}[interval {seconds}] [attempts {count | unlimited}] To disable the tunnel keepalive probes use the no tunnel keepalive command. Parameters ip-address ipv6 address Enter the IPv4 or IPv6 address of the peer to which the keepalive probes will be sent. interval seconds Enter the keyword interval then the interval time, in seconds, after which the restart process to keepalive probe packets. The range is from 5 to 255. The default is 5. count (OPTIONAL) Enter the keyword count to count packets processed by the filter. The range is from 3 to 10. The default is 3. unlimited Enter the keyword unlimited to specify the unlimited number of keepalive probe packets. Defaults Tunnel keepalive is disabled. Command Modes INTERFACE TUNNEL Command History This guide is platform-specific. For command information about other platforms, see the relevant Dell Networking OS Command Line Reference Guide. Version Description 9.10(0.0) 9.8(2.0) 9.8(1.0) 9.8(0.0P5) 9.8(0.0P2) 9.7(0.0) 9.5(0.1) 9.4(0.0) Introduced on the S6100-ON. Introduced on the S3100 series. Introduced on the Z9100-ON. Introduced on the S4048-ON. Introduced on the S3048-ON. Introduced on the S6000-ON. Introduced on the Z9500. Introduced on the S4810, S4820T, S6000 and Z9000. Usage Information Enabling tunnel keepalive causes ICMP echo packets to be sent to the keepalive target. The ICMP echo will be sourced from the tunnel interface logical IPv4 or IPv6 address and will be tunnel encapsulated. The response will be accepted whether it returns tunnel encapsulated or not. When configuring tunnel keepalive at both end points of a tunnel interface it is recommended to set the tunnel keepalive target to the logical IPv4 or IPv6 address of the far end tunnel peer, rather than to the tunnel destination. This reduces the chance of both ends of the tunnel staying in keepalive down state. If both ends get 1372 Tunneling
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1,167
-
1,168
-
1,169
-
1,170
-
1,171
-
1,172
-
1,173
-
1,174
-
1,175
-
1,176
-
1,177
-
1,178
-
1,179
-
1,180
-
1,181
-
1,182
-
1,183
-
1,184
-
1,185
-
1,186
-
1,187
-
1,188
-
1,189
-
1,190
-
1,191
-
1,192
-
1,193
-
1,194
-
1,195
-
1,196
-
1,197
-
1,198
-
1,199
-
1,200
-
1,201
-
1,202
-
1,203
-
1,204
-
1,205
-
1,206
-
1,207
-
1,208
-
1,209
-
1,210
-
1,211
-
1,212
-
1,213
-
1,214
-
1,215
-
1,216
-
1,217
-
1,218
-
1,219
-
1,220
-
1,221
-
1,222
-
1,223
-
1,224
-
1,225
-
1,226
-
1,227
-
1,228
-
1,229
-
1,230
-
1,231
-
1,232
-
1,233
-
1,234
-
1,235
-
1,236
-
1,237
-
1,238
-
1,239
-
1,240
-
1,241
-
1,242
-
1,243
-
1,244
-
1,245
-
1,246
-
1,247
-
1,248
-
1,249
-
1,250
-
1,251
-
1,252
-
1,253
-
1,254
-
1,255
-
1,256
-
1,257
-
1,258
-
1,259
-
1,260
-
1,261
-
1,262
-
1,263
-
1,264
-
1,265
-
1,266
-
1,267
-
1,268
-
1,269
-
1,270
-
1,271
-
1,272
-
1,273
-
1,274
-
1,275
-
1,276
-
1,277
-
1,278
-
1,279
-
1,280
-
1,281
-
1,282
-
1,283
-
1,284
-
1,285
-
1,286
-
1,287
-
1,288
-
1,289
-
1,290
-
1,291
-
1,292
-
1,293
-
1,294
-
1,295
-
1,296
-
1,297
-
1,298
-
1,299
-
1,300
-
1,301
-
1,302
-
1,303
-
1,304
-
1,305
-
1,306
-
1,307
-
1,308
-
1,309
-
1,310
-
1,311
-
1,312
-
1,313
-
1,314
-
1,315
-
1,316
-
1,317
-
1,318
-
1,319
-
1,320
-
1,321
-
1,322
-
1,323
-
1,324
-
1,325
-
1,326
-
1,327
-
1,328
-
1,329
-
1,330
-
1,331
-
1,332
-
1,333
-
1,334
-
1,335
-
1,336
-
1,337
-
1,338
-
1,339
-
1,340
-
1,341
-
1,342
-
1,343
-
1,344
-
1,345
-
1,346
-
1,347
-
1,348
-
1,349
-
1,350
-
1,351
-
1,352
-
1,353
-
1,354
-
1,355
-
1,356
-
1,357
-
1,358
-
1,359
-
1,360
-
1,361
-
1,362
-
1,363
-
1,364
-
1,365
-
1,366
-
1,367
-
1,368
-
1,369
-
1,370
-
1,371
-
1,372
-
1,373
-
1,374
-
1,375
-
1,376
-
1,377
-
1,378
-
1,379
-
1,380
-
1,381
-
1,382
-
1,383
-
1,384
-
1,385
-
1,386
-
1,387
-
1,388
-
1,389
-
1,390
-
1,391
-
1,392
-
1,393
-
1,394
-
1,395
-
1,396
-
1,397
-
1,398
-
1,399
-
1,400
-
1,401
-
1,402
-
1,403
-
1,404
-
1,405
-
1,406
-
1,407
-
1,408
-
1,409
-
1,410
-
1,411
-
1,412
-
1,413
-
1,414
-
1,415
-
1,416
-
1,417
-
1,418
-
1,419
-
1,420
-
1,421
-
1,422
-
1,423
-
1,424
-
1,425
-
1,426
-
1,427
-
1,428
-
1,429
-
1,430
-
1,431
-
1,432
-
1,433
-
1,434
-
1,435
-
1,436
-
1,437
-
1,438
-
1,439
-
1,440
-
1,441
-
1,442
-
1,443
-
1,444
-
1,445
-
1,446
-
1,447
-
1,448
-
1,449
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![](/manual_guide/products/dell-s3100-command-line-reference-guide-series-91000-876b94b/1372.png)