Dell PowerConnect 8100 User's Configuration Guide - Page 646
Configuring MSTP Interface Settings
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Configuring MSTP Interface Settings Beginning in Privileged EXEC mode, use the following commands to configure MSTP settings for the switch. Command Purpose configure Enter global configuration mode. interface interface Enter interface configuration mode for the specified interface. The interface variable includes the interface type and number, for example tengigabitethernet 1/0/3 or port-channel 4. You can also specify a range of interfaces with the interface range command, for example, interface range tengigabitethernet 1/0/8-12 configures interfaces 8, 9, 10, 11, and 12. The range keyword is also valid for LAGs (port channels). spanning-tree mst 0 Set the external cost for the common spanning tree. (Range: external-cost cost 0-200000000) spanning-tree mst Configure the path cost for MST calculations. If a loop occurs, instance-id cost cost the spanning tree considers path cost when selecting an interface to put in the forwarding state. • instance-ID - ID of the spanning -tree instance. (Range: 14094) • cost - The port path cost. (Range: 0-200,000,000) spanning-tree mst instance-id portpriority priority Specify the priority of the port. The priority value is used to determine which ports are put in the forwarding state and which ports are put in the blocking state. A port with a lower priority value is more likely to be put into a forwarding state. • instance-ID - ID of the spanning-tree instance. (Range: 14094) • priority - The port priority. (Range: 0-240 in multiples of 16) CTRL + Z Exit to Privileged EXEC mode. show spanning-tree View MST configuration information for the specified port or interface instance LAG (port channel) and instance. instance-id 646 Configuring the Spanning Tree Protocol
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1,200
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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