Advanced link tracking for virtual cluster switching

A method, comprising:

• detecting a failure which affects reachability between a switch and a second switch in a network of interconnected switches, wherein the network of interconnected switches is identified by an identifier;
• in response to determining that the failure affects reachability to an end host, identifying a port via which the end host is reachable;
• and
• using the identified port as an egress port for a notification message including information regarding the failure,
• wherein the notification message is destined to a hypervisor managing a virtual machine to allow the hypervisor to reconfigure the virtual machine.

A non-transitory computer-readable storage medium storing instructions that when executed by a computer cause the computer to perform a method, the method comprising:

• detecting a failure which affects reachability between a switch and a second switch in a network of interconnected switches, wherein the network of interconnected switches is identified by an identifier;
• in response to determining that the failure affects reachability to an end host, identifying a port via which the end host is reachable;
• and
• using the identified port as an egress port for a notification message including information regarding the failure,
• wherein the notification message is destined to a hypervisor managing a virtual machine to allow the hypervisor to reconfigure the virtual machine.