这三个都是McData的交换机，很早就已经被Brocade收购了，一些文档都要去Brocade的网站找。
McData交换机出厂时默认的用户名密码是Administartor: password。如果都不对的话，那就要考虑重置密码了，可以参考这篇里的步骤：emc ds24m2 please help, cant find any info on how to access or configure
更多出厂默认设置参考：
EFCM Basic Edition interface user name (case sensitive): Administrator
EFCM Basic Edition interface password (case sensitive): password
Customer-level password (maintenance port access): password
Maintenance-level password (maintenance port access): level-2
IP address: 10.1.1.10
Subnet mask: 255.0.0.0
Gateway address: 0.0.0.0
