Dell MX9116n EMC SmartFabric OS10 User Guide Release 10.5.0 - Page 671
Default route, Summary address, Graceful restart, View OSPF configuration, Con default route
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View OSPF configuration OS10(conf-router-ospf-10)# do show running-configuration ospf ! router ospf 10 redistribute bgp 4 route-map aloha redistribute connected route-map aloha redistribute static route-map aloha ! Default route You can generate an external default route and distribute the default information to the OSPFv2 routing domain. • Generate the default route using the default-information originate [always] command in ROUTER-OSPF mode. Configure default route OS10(config)# router ospf 10 OS10(config-router-ospf-10)# default-information originate always View default route configuration OS10(config-router-ospf-10)# show configuration ! router ospf 10 default-information originate always Summary address You can configure a summary address for an ASBR to advertise one external route as an aggregate, for all redistributed routes that are covered by specified address range. • Configure the summary address in ROUTER-OSPF mode. summary-address ip-address/mask [not-advertise | tag tag-value] Configure summary address OS10(config)# router ospf 100 OS10(config-router-ospf-100)# summary-address 10.0.0.0/8 not-advertise View summary address OS10(config-router-ospf-100)# show configuration ! router ospf 100 summary-address 10.0.0.0/8 not-advertise Graceful restart When a networking device restarts, the adjacent neighbors and peers detect the condition. During a graceful restart, the restarting device and neighbors continue to forward the packets without interrupting network performance. The neighbors that help in the restart process are called helper routers. When you enable graceful restart, the restarting device retains the routes learned by OSPF in the forwarding table. To re-establish OSPF adjacencies with neighbors, the restart OSPF process sends a grace LSA to all neighbors. In response, the helper router enters Helper mode and sends an acknowledgement back to the restarting device. OS10 supports graceful restart Helper mode. Use the graceful-restart role helper-only command to enable Helper mode in ROUTER OSPF mode. OS10(config)# router ospf 10 OS10(conf-router-ospf-10)# graceful-restart role helper-only Use the no version of the command to disable Helper mode. Layer 3 671
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-
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
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1,371
-
1,372
-
1,373
-
1,374
-
1,375
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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
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![](/manual_guide/products/dell-mx5108n-emc-smartfabric-os10-user-guide-release-1050-89c4d24/671.png)