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Configuring the Interface Mode

The interface mode allows RSTP, MSTP, and VSTP to converge faster than the original STP on point-to-point links. The protocol does not need to wait for timers on point-to-point links. Configure interfaces that have a point-to-point link to another Layer 2 bridge as p2p. This parameter is ignored if the STP is configured to run the original spanning-tree version.

If the interface mode is configured at both the VSTP global and VLAN levels, the configuration at the VLAN level overrides the global configuration.

To configure the interface mode, include the following statement:




mode (p2p | shared);

You can configure this statement at the following hierarchy levels:

[edit protocols (mstp | rstp | vstp) interface interface-name]
[edit routing-instances routing-instance-name protocols (mstp | rstp | vstp) interface interface-name]
[edit protocols vstp vlan vlan-id interface interface-name]
[edit routing-instances routing-instance-name protocols vstp vlan vlan-id interface interface-name]

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