前幾天來了兩臺華爲S5720交換機，做下堆疊，兩條線，交叉互聯（即A交換機23口連到B交換機24口，A交換機24口連接B交換機23口）。
PS： S5720堆疊可基於電口或者光口做，本次測試基於電口。
SWA配置
# 改名
[Huawei]sysname SWA
# 最好先shutdown接口
[SWA]interface GigabitEthernet 0/0/23
[SWA-GigabitEthernet0/0/23]shutdown
[SWA-GigabitEthernet0/0/23]interface GigabitEthernet 0/0/24
[SWA-GigabitEthernet0/0/24]shutdown
[SWA-GigabitEthernet0/0/24]quit
# SWA默認number0
[SWA]interface stack-port 0/1
[SWA-stack-port0/1]port interface GigabitEthernet 0/0/23 enable
[SWA-stack-port0/1]quit
[SWA]interface stack-port 0/2
[SWA-stack-port0/2]port interface GigabitEthernet 0/0/24 enable
[SWA-stack-port0/2]quit
# 開啓23和24接口，保存配置
[SWA]interface GigabitEthernet 0/0/23
[SWA-GigabitEthernet0/0/23]undo shutdown
[SWA-GigabitEthernet0/0/23]interface GigabitEthernet 0/0/24
[SWA-GigabitEthernet0/0/24]undo shutdown
[SWA-GigabitEthernet0/0/24]quit
[SWA]quit
<SWA>save
The current configuration will be written to the device.
Are you sure to continue?[Y/N]y
Info: Please input the file name ( *.cfg, *.zip ) [vrpcfg.zip]:
Now saving the current configuration to the slot 0.
Save the configuration successfully.
SWB配置
# 改名
[Huawei]sysname SWB
# 關閉接口
[SWB]interface GigabitEthernet 0/0/23
[SWB-GigabitEthernet0/0/23]shutdown
[SWB-GigabitEthernet0/0/23]interface GigabitEthernet 0/0/24
[SWB-GigabitEthernet0/0/24]shutdown
[SWB-GigabitEthernet0/0/24]quit
# 修改成員號
[SWB]stack slot 0 renumber 1
# 默認100，華爲是1-255，值越大優先級越高會被推舉爲Master
[SWB]stack slot 0 priority 10
[SWB]interface stack-port 0/1
[SWB-stack-port0/1]port interface GigabitEthernet 0/0/23 enable
[SWB-stack-port0/1]quit
[SWB]interface stack-port 0/2
[SWB-stack-port0/2]port interface GigabitEthernet 0/0/24 enable
[SWB-stack-port0/2]quit
# 開啓23和24接口，保存配置
[SWB]interface GigabitEthernet 0/0/23
[SWB-GigabitEthernet0/0/23]undo shutdown
[SWB-GigabitEthernet0/0/23]interface GigabitEthernet 0/0/24
[SWB-GigabitEthernet0/0/24]undo shutdown
[SWB-GigabitEthernet0/0/24]quit
[SWB]quit
<SWB>sava
The current configuration will be written to the device.
Are you sure to continue?[Y/N]y
Info: Please input the file name ( *.cfg, *.zip ) [vrpcfg.zip]:
Now saving the current configuration to the slot 0.
Save the configuration successfully.
重啓兩臺交換機
正常情況下就配置好了，重啓後可查看在一臺交換機上接口數量是否增加一倍
[SWA]display interface brief
參考博客：