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| Sun Ethernet Fabric Operating System ### STP Administration Guide

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#### Spanning Tree Link Type Overview

If a port is configured as a point-to-point link and its port role is designated, SEFOS STP negotiates a rapid transition to forwarding with the other port using a proposal-handshake agreement mechanism to ensure that the topology is loop free. By default, if the interface is full duplex, the interface is considered to have a point-to-point connection. If the interface is half duplex, then the interface is considered to have a shared connection. You can override the default setting of link type to enable the rapid transition to forwarding.

Valid interfaces include physical interfaces and port-channel logical interfaces (`port-channel` port-channel-number).

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