Information Commands
Table 24 Rapid Spanning Tree parameter descriptions
Parameter
Role
Description
Shows the current role of this port in the Spanning Tree. The port role can be one of the following: Designated (DESG), Root (ROOT), Alternate (ALTN), Backup (BKUP), Master (MAST), or Unknown (UNK).
Designated bridge |
| Shows information about the bridge connected to each port, if applicable. Information |
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| includes the priority (hex) and MAC address of the Designated Bridge. |
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| The port ID of the port on the Designated Bridge to which this port is connected. |
Designated port |
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| Type of link connected to the port, and whether the port is an edge port. Link type |
Type |
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| values are AUTO, P2P, or SHARED. |
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Common Internal Spanning Tree information
The following command displays Common Internal Spanning Tree (CIST) information:
show spanning-tree mstp cist information
Command mode: All
Mstp Digest: 0xac36177f50283cd4b83821d8ab26de62
Common Internal Spanning Tree:
VLANs MAPPED:
VLANs: 1 25 26 4095
Current Root: |
| Port MaxAge | FwdDel |
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8000 00:03:42:fa:3b:80 | 0 |
| 1 | 20 | 15 |
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CIST Regional Root: |
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8000 00:03:42:fa:3b:81 | 11 |
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Parameters: Priority | MaxAge FwdDel | Hops |
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| 32768 | 20 | 15 | 20 |
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Port Prio Cost State Role Designated Bridge | Des Port Hello Type | ||||||||
1 | 128 | 2000 | FWD | DESG | 8001 | 4 P2P, Edge | |||
2 | 128 | 2000 | FWD | DESG | 8002 |
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3 | 128 | 2000 | DSB |
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4 | 128 | 2000 | DSB |
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5 | 128 | 2000 | DSB |
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6 | 128 | 2000 | DSB |
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7 | 128 | 2000 | DSB |
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8 | 128 | 2000 | DSB |
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9 | 128 | 2000 | DSB |
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10 | 128 | 0 | DSB |
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11 | 128 | 2000 | FWD | DESG |
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12 | 128 | 2000 | DSB |
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... |
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