cn

h3c

http://www.h3c.com/cn/d_201904/1163946_30005_0.htm

https://wenku.baidu.com/view/3c669b57bcd126fff6050b5b.html?sxts=1565181750486

https://wenku.baidu.com/view/9cd2bb38a200a6c30c22590102020740be1ecd8e.html?rec_flag=default