Dell MX5108n OS10 Enterprise Edition User Guide for PowerEdge MX IO Modules Re - Page 242
Global parameters
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View all port participating in RSTP OS10# show spanning-tree Spanning tree enabled protocol rstp with force-version rstp Executing IEEE compatible Spanning Tree Protocol Root ID Priority 32768, Address 3417.4455.667f Root Bridge hello time 2, max age 20, forward delay 15 Bridge ID Priority 32768, Address 90b1.1cf4.a523 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 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/2 128.264 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/3 128.268 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/4 128.272 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/5:1 128.276 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/5:2 128.277 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/5:3 128.278 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/5:4 128.279 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/6:1 128.280 128 2000 FWD 0 32768 3417.4455.667f 128.150 ethernet1/1/6:2 128.281 128 2000 FWD 0 32768 3417.4455.667f 128.151 ethernet1/1/6:3 128.282 128 2000 FWD 0 32768 3417.4455.667f 128.152 ethernet1/1/6:4 128.283 128 2000 BLK 0 32768 3417.4455.667f 128.153 ethernet1/1/7 128.284 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/8 128.288 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/9 128.292 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/10 128.296 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/11 128.300 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/12 128.304 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/13 128.308 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/14 128.312 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/15 128.316 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/16 128.320 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/17 128.324 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/18 128.328 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/19 128.332 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/20 128.336 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/21 128.340 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/22 128.344 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/23 128.348 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/24 128.352 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/25 128.356 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/26 128.360 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/27 128.364 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/28 128.368 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/29 128.372 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/30 128.376 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/31 128.380 128 200000000 BLK 0 0 0000.0000.0000 0.0 ethernet1/1/32 128.384 128 200000000 BLK 0 0 0000.0000.0000 0.0 Interface Name Role PortID Prio Cost Sts Cost Link-type Edge ethernet1/1/1 Disb 128.260 128 200000000 BLK 0 AUTO No ethernet1/1/2 Disb 128.264 128 200000000 BLK 0 AUTO No ethernet1/1/3 Disb 128.268 128 200000000 BLK 0 AUTO No ethernet1/1/4 Disb 128.272 128 200000000 BLK 0 AUTO No ethernet1/1/5:1 Disb 128.276 128 200000000 BLK 0 AUTO No Global parameters The root bridge sets the values for forward-time, hello-time, and max-age, and overwrites the values set on other bridges participating in the RSTP group. Dell EMC recommends that only experienced network administrators change the RSTP group parameters. Poorly planned modification of the RSTP parameters can negatively affect network performance. 242 Layer 2