A customer wants to add a fully populated BladeCenter chassis to their existing core-edge SAN.
They have suffered performance issues in the past due to congestion and over-utilization of interswitch links (ISL). The customer has asked what is the best practice guideline concerning ISL
oversubscription ratio.
Which one of the following ratios does the technical specialist provide?

A.
1:1

B.
10:1

C.
20:1

D.
50:1

Explanation: