US 12,413,502 B2
Systems and methods for subscription based selective EVPN route distribution
Neeraj Malhotra, Los Gatos, CA (US); Balaji Pitta Venkatachalapathy, San Ramon, CA (US); Krishnaswamy Muddenahally Ananthamurthy, San Ramon, CA (US); Ali Sajassi, San Ramon, CA (US); and Dhananjaya Kasargod Rao, Sunnyvale, CA (US)
Assigned to CISCO TECHNOLOGY, INC., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Jul. 18, 2024, as Appl. No. 18/776,894.
Application 18/776,894 is a continuation of application No. 18/641,898, filed on Apr. 22, 2024.
Application 18/641,898 is a continuation of application No. 17/813,959, filed on Jul. 21, 2022, granted, now 11,979,256, issued on May 7, 2024.
Application 17/813,959 is a continuation of application No. 17/164,690, filed on Feb. 1, 2021, granted, now 11,398,927, issued on Jul. 26, 2022.
Prior Publication US 2024/0372747 A1, Nov. 7, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 12/46 (2006.01); H04L 45/00 (2022.01); H04L 45/02 (2022.01); H04L 45/50 (2022.01); H04L 45/741 (2022.01); H04L 101/622 (2022.01)
CPC H04L 12/4641 (2013.01) [H04L 45/02 (2013.01); H04L 45/50 (2013.01); H04L 45/66 (2013.01); H04L 45/741 (2013.01); H04L 2101/622 (2022.05)] 24 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving a subscription request from a first Border Gateway Protocol (BGP) node in a network, the subscription request comprising a first BGP route advertisement, wherein the first BGP route advertisement contains a route filter for an Address Family Identifier (AFI)/Subsequent Address Family Identifier (SAFI);
generating a subscription policy in accordance with the route filter contained in the subscription request;
receiving a second BGP route advertisement from a second BGP node in the network; and
communicating routing information in the second BGP route advertisement to the first BGP node based on the subscription policy.