[SW1]stp enable
[SW1]stp mode mstp
[SW1]stp region-configuration
[SW1-mst-region]region-name 1
[SW1-mst-region]instance 1 vlan 10 30
[SW1-mst-region]instance 2 vlan 20 40
[SW1-mst-region]active region-configuration
[SW1]stp instance 1 root primary 设置成为根
[SW1]stp instance 1 root secondary 设置成为备份根
[SW1]stp instance 1 priority 4096 直接修改优先级
vrrp
[SW1-Vlanif10]vrrp vrid 1 virtual-ip 192.168.1.254 设置虚拟IP地址
[SW1-Vlanif10]vrrp vrid 1 priority 120 设置优先级
[SW1-Vlanif10]vrrp vrid 1 preempt-mode disable 关闭抢占
[SW1-Vlanif10]vrrp vrid 1 preempt-mode timer delay 0 设置抢占,抢占延迟为0s