Information Commands
Rapid Spanning Tree and Multiple Spanning Tree information
The following command displays RSTP/MSTP information: show
upfast disabled, update 40
Spanning Tree Group 1: On (RSTP)
VLANs:
Current Root: |
| Port Hello MaxAge FwdDel |
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8000 00:00:01:00:19:00 | 0 | 0 | 9 | 20 | 15 |
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Parameters: | Priority Hello MaxAge FwdDel Aging |
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| 32768 | 9 | 20 |
| 15 | 300 |
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Port | Prio | Cost |
| State | Role | Designated Bridge Des Port | Type | |||
1 | 0 |
| 0 | DSB |
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2 | 0 |
| 0 | DSB |
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3 | 0 |
| 0 | DSB |
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4 | 0 |
| 0 | DSB |
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5 | 0 |
| 0 | DSB |
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6 | 0 |
| 0 | DSB |
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7 | 0 |
| 0 | DSB |
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8 | 0 |
| 0 | DSB |
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9 | 0 |
| 0 | DSB |
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10 | 0 |
| 0 | DISC |
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11 | 0 |
| 0 | FWD | DESG | 8017 | P2P2,Edge | |||
12 | 0 |
| 0 | FWD | DESG | 8018 | P2P | |||
The switch software can be set to use the IEEE 802.1w Rapid Spanning Tree Protocol (RSTP) or the IEEE 802.1s Multiple Spanning Tree Protocol (MSTP). If RSTP/MSTP is turned on, you can view the following RSTP bridge information for the Spanning Tree Group:
•Status of Uplink Fast (upfast)
•Current root MAC address
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•Port
•Hello interval
•Maximum age value
•Forwarding delay
•Aging time
39
