stack slot 0 renumber 2   修改插槽号码
stack slot 0 priority 99  修改优先级 大的优先
int stack-port 0/1　　　　　　　　进堆叠口
port interface g 0/0/1 enable　　　加入成员口
　
int stack-port 0/2　　　　　　　　　进堆叠口
port interface g 0/0/2 enable　　　加入成员口


mad detect mode direct  接口下开启双主直连检测

dis switchover status  查看状态

slave switchover enable 开启主辈 倒换

slave switchover 执行主备倒换


interface stack-port 0/1
 port interface GigabitEthernet0/0/1 enable

interface stack-port 0/2
 port interface GigabitEthernet0/0/2 enable


<HUAWEI>dis stack configuration
*    : Invalid-configuration
#    : Unsaved configuration
---------------Configuration on slot 0 Begin---------------
stack enable
stack slot 0 renumber 1
stack slot 0 priority 200
stack reserved-vlan 4093
stack timer mac-address switch-delay 10

interface stack-port 0/1
 port interface GigabitEthernet0/0/1 enable

interface stack-port 0/2
 port interface GigabitEthernet0/0/2 enable
---------------Configuration on slot 0 End-----------------

---------------Configuration on slot 2 Begin---------------
stack enable
stack slot 0 renumber 2
stack slot 2 priority 100
stack reserved-vlan 4093
stack timer mac-address switch-delay 10

interface stack-port 2/1
 port interface GigabitEthernet2/0/1 enable

interface stack-port 2/2
 port interface GigabitEthernet2/0/2 enable
---------------Configuration on slot 2 End-----------------

---------------Configuration on slot 3 Begin---------------
stack enable
stack slot 0 renumber 3
stack slot 3 priority 99
stack reserved-vlan 4093
stack timer mac-address switch-delay 10

interface stack-port 3/1
 port interface GigabitEthernet3/0/1 enable

interface stack-port 3/2
 port interface GigabitEthernet3/0/2 enable
---------------Configuration on slot 3 End-----------------