SELECTIVE PROGRAMMING OF FORWARDING HARDWARE IN A MULTI-FABRIC OVERLAY NETWORK

    公开(公告)号:US20250158913A1

    公开(公告)日:2025-05-15

    申请号:US18506650

    申请日:2023-11-10

    Abstract: A network device in a first fabric of an overlay network is provided. During operation, the network device can receive a route advertisement from a border device via which the network device communicates outside of the first fabric. The network device can determine, based on an indicator in the route advertisement, whether a host route associated with a host coupled to a second fabric of the overlay network is included in the route advertisement. If the indicator indicates that the host route is included in the route advertisement, the network device can store the host route in a data structure on the network device. The network device can also program, in the local forwarding hardware, a prefix route associated with the host route. If the network device detects a packet destined to the host device, the network device can program the host route in the forwarding hardware.

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