「RSTP」- Port State Machine

  CREATED BY JENKINSBOT

RSTP的状态规范缩减为3种,根据端口是否转发用户流量和学习MAC地址来划分:
1)Discarding:不转发用户流量,不学习MAC地址;
2)Learning:不转发用户流量,学习MAC地址;
3)Forwarding:既转发用户流量,又学习MAC地址;

Backup Port 出于 Discarding 状态;