EX2500 Ethernet Switch Configuration Guide
42 Fast Uplink Convergence
Configuration Guidelines
When you enable Fast Uplink Convergence, the EX2500 switch automatically
makes the following configuration changes:
Sets the bridge priority to 61440 so that it does not become the root switch.
Increases the cost of all ports by 30000, across all VLANs and Spanning Tree
Groups. This ensures that traffic never flows through the EX2500 switch to get
to another switch unless there is no other path.
These changes are reversed if the feature is disabled.
Configuring Fast Uplink Convergence
Use the following CLI command to enable Fast Uplink Convergence on all ports:
ex2500(config)# spanning-tree uplinkfast
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