Dell MX9116n EMC SmartFabric OS10 User Guide - Page 1177
MSTP configuration, VLT Peer 2 confoguration
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View STP virtual interface detail OS10# show spanning-tree virtual-interface detail Port 1 (VFP(VirtualFabricPort)) of RSTP 1 is designated Forwarding Port path cost 1, Port priority 0, Port Identifier 0.1 Designated root priority: 32768, address: 00:78:76:14:60:62 Designated bridge priority: 32768, address: 00:78:76:14:60:62 Designated port ID: 0.1, designated path cost: 0 Number of transitions to forwarding state: 1 Edge port: No (default) Link Type: Point-to-Point BPDU Sent: 15, Received: 5 MSTP configuration When you enable Multiple Spanning Tree Protocol (MSTP) on VLT nodes, configure both VLT peer nodes in the same MST region to avoid network loops. Ensure that the VLAN-to-instance mappings, region name, and revision ID are the same on both VLT peer nodes. NOTE: OS10 supports a maximum of 64 MST instances. To configure MSTP over VLT, follow these steps on both VLT peer nodes: 1. Enable MSTP. CONFIGURATION mode spanning-tree mode mst 2. Enter MST configuration mode. CONFIGURATION mode spanning tree mst configuration 3. Create an MST instance and add multiple VLANs as required. MULTIPLE-SPANNING-TREE instance instance-number vlan from-vlan-id - to-vlan-id 4. Configure the MST revision number, from 0 to 65535. MULTIPLE-SPANNING-TREE revision revision-number 5. Configure the MST region name. MULTIPLE-SPANNING-TREE name name-string The following example shows that both VLT nodes are configured with the same MST VLAN-to-instance mapping. VLT Peer 1 confoguration OS10(config)# spanning-tree mode mst OS10(config)# spanning-tree mst configuration OS10(conf-mst)# instance 1 vlan 2-10 OS10(conf-mst)# revision 10 OS10(conf-mst)# name ExampleMSTregion VLT Peer 2 confoguration OS10(config)# spanning-tree mode mst OS10(config)# spanning-tree mst configuration OS10(conf-mst)# instance 1 vlan 2-10 OS10(conf-mst)# revision 10 OS10(conf-mst)# name ExampleMSTregion The following example shows MSTP information on VLTi: NOTE: To view all the other ports, use the show spanning-tree active or show spanning-tree msti command. OS10# show spanning-tree virtual-interface VFP(VirtualFabricPort) of MSTI 0 is Designated Forwarding Edge port: No (default) Link type: point-to-point (auto) Boundary: Yes, Bpdu-filter: Disable, Bpdu-Guard: Disable, Shutdown-on-Bpdu-Guard-violation: No Root-Guard: Disable, Loop-Guard: Disable Virtual Link Trunking 1177
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1,163
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1,164
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1,165
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1,166
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1,167
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1,168
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1,169
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1,170
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1,171
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1,172
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1,173
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1,174
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1,175
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1,176
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1,177
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1,178
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1,179
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1,180
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1,182
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1,183
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1,184
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1,185
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1,186
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1,187
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1,188
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1,189
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1,190
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1,191
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1,192
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1,193
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1,194
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1,195
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1,196
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1,197
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1,198
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1,199
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1,200
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1,201
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1,202
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1,203
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1,204
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1,205
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1,206
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1,207
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1,208
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1,209
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1,210
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1,211
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1,212
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1,213
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1,214
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1,215
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1,216
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1,217
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1,218
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1,219
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1,220
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1,221
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1,222
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1,223
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1,224
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1,225
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1,226
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1,227
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1,228
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1,229
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1,230
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1,231
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1,232
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1,233
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1,234
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1,235
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1,236
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1,237
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1,238
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1,239
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1,240
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1,241
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1,242
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1,243
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1,244
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1,245
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1,246
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1,247
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1,248
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1,249
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1,250
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1,251
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1,252
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1,253
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1,254
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1,255
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1,256
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1,257
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1,258
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1,259
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1,260
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1,261
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1,262
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1,263
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1,264
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1,265
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1,266
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1,267
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1,268
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1,269
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1,270
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1,271
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1,272
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1,273
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1,274
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1,275
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1,276
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1,277
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1,278
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1,279
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1,280
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1,281
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1,282
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1,283
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1,284
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1,285
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1,286
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1,287
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1,288
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1,289
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1,290
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1,291
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1,292
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1,293
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1,294
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1,295
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1,296
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1,297
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1,298
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1,299
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1,300
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1,301
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1,302
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1,303
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1,304
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1,305
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1,306
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1,307
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1,308
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1,309
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1,310
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1,311
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1,312
-
1,313
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1,314
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1,315
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1,316
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1,317
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1,318
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1,319
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1,320
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1,321
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1,322
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1,323
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1,324
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1,325
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1,326
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1,327
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1,328
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1,329
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1,330
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1,331
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1,332
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1,333
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1,334
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1,335
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1,336
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1,337
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1,338
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1,339
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1,340