Patent ID: 9479355
Filing Date: 2016-10-25
CPC Classification: H04L,H04Q

Claim Text:
1. A system comprising: a first computer network including a first plurality of network devices, wherein the first computer network has a first spanning tree associated therewith; a second computer network including a second plurality of network devices, wherein the second computer network has a second spanning tree associated therewith, wherein the second spanning tree is separate from the first spanning tree; wherein a core network connects the first computer network to the second computer network; wherein a first network device of the first computer network is connected to a second network device of the first computer network over an inter-device link, wherein traffic to and from the core network cannot be transmitted on the inter-device link; and wherein the first and second network devices are configured to: send, by the second network device, a second packet to the first network device via the inter-device link indicating that the second network device is in the active state; and