Dell EqualLogic PS6100 series Configuration Manual page 132

It is recommended to keep the client and SAN side networks physically separate and deploy two
switches on both sides to protect against a switch failure.
Figure 42 FS7600 AND FS7610 networks
See figures below for network connections.
Figure 43 FS7600 network
March 2013 Dell EqualLogic Configuration Guide v14.1 13-123