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| Configuration Commands | |
| Table 104 Multiple Spanning Tree Configuration commands | ||
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| Command | Description | |
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| Configures the maximum number of bridge hops a packet may to | |
traverse before it is dropped. The range is from 4 to 60 hops. The | |||
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| default is 20. | |
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| Command mode: Global configuration | |
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| Selects the | |
| {mstrstppvst} | • Rapid Spanning Tree mode (rstp) | |
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| • Multiple Spanning Tree mode (mstp) | |
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| • Per VLAN Spanning Tree (pvst) | |
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| The default mode is pvst. | |
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| Command mode: Global configuration | |
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| show | Displays the current RSTP/MSTP configuration. | |
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| Command mode: All | |
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NOTE:
•IEEE 802.1w
•If multiple spanning tree instances are required, then select ‘mstp’ mode so that multiple VLANs are handled by multiple spanning tree instances, as specified by IEEE 802.1s
•IEEE 802.1s MSTP supports rapid convergence using IEEE 802.1w RSTP.
•PVST+ does not support rapid convergence in current versions.
NOTE:
The following configurations are unsupported:
•HP PVST+ (default Spanning Tree setting) is NOT interoperable with Cisco Rapid PVST+.
•HP MSTP/RSTP (with mode set to either ‘mstp’ or ‘rstp’) is NOT interoperable with Cisco Rapid PVST+.
The following configurations are supported:
•HP PVST+ (default Spanning Tree setting) is interoperable with Cisco PVST+.
•HP MSTP/RSTP (with mode set to ‘mstp’) is interoperable with Cisco MST/RSTP.
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