Patent ID: 11870677
Assignee: JUNIPER NETWORKS, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. The method of claim 1, wherein the one of the plurality of physical network switches of the underlay network that peers with the SDN controller comprises a spine switch of the IP fabric of the underlay network, and wherein the routing protocol session comprises a Border Gateway Protocol session, the method further comprising:
wherein receiving the underlay network route comprises receiving, by the SDN controller and via the Border Gateway Protocol session between the SDN controller and the spine switch, a plurality of underlay network routes to active tunnel endpoints of the underlay network, wherein storing the underlay routing table comprises storing the plurality of underlay network routes to the underlay routing table, and
wherein the active tunnel endpoints comprise tunnel endpoints indicated as reachable based on a fault detection protocol session between the active tunnel endpoints and a leaf node of the IP fabric.