• Administrator specifies list of switch fabric WWNs that are allowed to connect to the fabric
• Can specify per port or for entire fabric • Failure results in link-level failure
Allowed list: WWN 1 WWN 2
Unauthorized Fabric WWN 3
Switch A Fabric WWN 1
Switch B Fabric WWN 2
Fabric binding restricts the list of switches that can connect to the fabric. One theoretical attack that would be prevented might be a denial-of-service (DoS) attack that tried to cause problems by forging ELP frames with Domain IDs that conflicted with existing Domain IDs.