Multiple Spanning Tree Protocol(MSTP) was designed to solve the problem of the slow astringency speed in Spanning Tree Protocol(STP) and no 802.1Q VLAN sharing in Rapid Spanning Tree Protocol(RSTP).

• MSTP协议是针对STP收敛速度慢；RSTP不能进行基于802.；1Q的流量分担等情况下提出的一种新的多域生成树协议。