Dell MX9116n EMC SmartFabric OS10 User Guide Release 10.5.1 - Page 520
Root assignment
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ethernet1/1/5 Desg 128.276 128 500 FWD 0 AUTO No ethernet1/1/6 Desg 128.280 128 500 FWD 0 AUTO No View brief configuration OS10# show spanning-tree brief Spanning tree enabled protocol rapid-pvst with force-version rstp VLAN 1 Executing IEEE compatible Spanning Tree Protocol Root ID Priority 4097, Address 90b1.1cf4.a523 Root Bridge hello time 2, max age 20, forward delay 15 Bridge ID Priority 4097, Address 90b1.1cf4.a523 We are the root of VLAN 1 Configured hello time 2, max age 20, forward delay 15 Interface Designated Name PortID Prio Cost Sts Cost Bridge ID PortID ethernet1/1/1 128.260 128 200000000 FWD 0 32769 0000.0000.0000 128.260 ethernet1/1/2 128.264 128 200000000 FWD 0 32769 0000.0000.0000 128.264 ethernet1/1/3 128.268 128 200000000 FWD 0 32769 0000.0000.0000 128.268 ethernet1/1/4 128.272 128 200000000 FWD 0 32769 0000.0000.0000 128.272 ethernet1/1/5 128.276 128 500 FWD 0 4097 90b1.1cf4.a523 128.276 ethernet1/1/6 128.280 128 500 FWD 0 4097 90b1.1cf4.a523 128.280 ethernet1/1/7 128.284 128 200000000 FWD 0 32769 0000.0000.0000 128.284 ethernet1/1/8 128.288 128 200000000 FWD 0 32769 0000.0000.0000 128.288 ethernet1/1/9 128.292 128 200000000 FWD 0 32769 0000.0000.0000 128.292 ethernet1/1/10 128.296 128 200000000 FWD 0 32769 0000.0000.0000 128.296 ethernet1/1/11 128.300 128 200000000 FWD 0 32769 0000.0000.0000 128.300 ethernet1/1/12 128.304 128 200000000 FWD 0 32769 0000.0000.0000 128.304 ethernet1/1/13 128.308 128 200000000 FWD 0 32769 0000.0000.0000 128.308 ethernet1/1/14 128.312 128 200000000 FWD 0 32769 0000.0000.0000 128.312 ethernet1/1/15 128.316 128 200000000 FWD 0 32769 0000.0000.0000 128.316 ethernet1/1/16 128.320 128 200000000 FWD 0 32769 0000.0000.0000 128.320 ethernet1/1/17 128.324 128 200000000 FWD 0 32769 0000.0000.0000 128.324 ethernet1/1/18 128.328 128 200000000 FWD 0 32769 0000.0000.0000 128.328 ethernet1/1/19 128.332 128 200000000 FWD 0 32769 0000.0000.0000 128.332 ethernet1/1/20 128.336 128 200000000 FWD 0 32769 0000.0000.0000 128.336 ethernet1/1/21 128.340 128 200000000 FWD 0 32769 0000.0000.0000 128.340 ethernet1/1/22 128.344 128 200000000 FWD 0 32769 0000.0000.0000 128.344 ethernet1/1/23 128.348 128 200000000 FWD 0 32769 0000.0000.0000 128.348 ethernet1/1/24 128.352 128 200000000 FWD 0 32769 0000.0000.0000 128.352 ethernet1/1/25 128.356 128 200000000 FWD 0 32769 0000.0000.0000 128.356 ethernet1/1/26 128.360 128 200000000 FWD 0 32769 0000.0000.0000 128.360 ethernet1/1/27 128.364 128 200000000 FWD 0 32769 0000.0000.0000 128.364 ethernet1/1/28 128.368 128 200000000 FWD 0 32769 0000.0000.0000 128.368 ethernet1/1/29 128.372 128 200000000 FWD 0 32769 0000.0000.0000 128.372 ethernet1/1/30 128.376 128 200000000 FWD 0 32769 0000.0000.0000 128.376 ethernet1/1/31 128.380 128 200000000 FWD 0 32769 0000.0000.0000 128.380 ethernet1/1/32 128.384 128 200000000 FWD 0 32769 0000.0000.0000 128.384 Interface Name Role PortID Prio Cost Sts Cost Link-type Edge ethernet1/1/1 Disb 128.260 128 200000000 FWD 0 AUTO No ethernet1/1/2 Disb 128.264 128 200000000 FWD 0 AUTO No ethernet1/1/3 Disb 128.268 128 200000000 FWD 0 AUTO No ethernet1/1/4 Disb 128.272 128 200000000 FWD 0 AUTO No ethernet1/1/5 Desg 128.276 128 500 FWD 0 AUTO No ethernet1/1/6 Desg 128.280 128 500 FWD 0 AUTO No ethernet1/1/7 Disb 128.284 128 200000000 FWD 0 AUTO No ethernet1/1/8 Disb 128.288 128 200000000 FWD 0 AUTO No ethernet1/1/9 Disb 128.292 128 200000000 FWD 0 AUTO No ethernet1/1/10 Disb 128.296 128 200000000 FWD 0 AUTO No ethernet1/1/11 Disb 128.300 128 200000000 FWD 0 AUTO No Root assignment Rapid-PVST assigns the root bridge according to the lowest bridge ID. Primary configuration assigns 24576 as the bridge priority whereas secondary configuration assigns 28672 as the bridge priority. 520 Layer 2
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1,089
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