Two IBM3400 + one ds3400 do cluster file service
Node 1 AD + + cluster 1 + file service DNS 192.168.1.57
Node 1 AD + + cluster 1 + file service DNS 192.168.1.58
Cluster: 192.168.1.254
File server: 192.168.1.253

Two switch is no problem, the only problem is when adding the application of cluster to set any one address will prompt IP conflict, had just finished switch and use it every time you are working, not later, DNS tip can't open the socket of 254 or 253, sometimes prompt IP conflict, take this for the first time, teacher would like to ask you, where is my question may be out?