US 11,895,028 B2
Designated forwarder selection for multihomed hosts in an ethernet virtual private network
Putu H. Subagio, Cupertino, CA (US); Ravikanth Nasika, Fremont, CA (US); Saikat Bhattacharya, San Francisco, CA (US); and Chih-Tsung Huang, Burlingame, CA (US)
Assigned to Cisco Technology, Inc., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Aug. 5, 2022, as Appl. No. 17/817,870.
Application 17/817,870 is a continuation of application No. 16/872,053, filed on May 11, 2020, granted, now 11,411,869.
Prior Publication US 2022/0377015 A1, Nov. 24, 2022
Int. Cl. H04L 45/7453 (2022.01); H04L 12/46 (2006.01); H04L 49/00 (2022.01); H04L 47/125 (2022.01)
CPC H04L 45/7453 (2013.01) [H04L 12/4641 (2013.01); H04L 47/125 (2013.01); H04L 49/3009 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method comprising:
receiving an indication of updated network settings for a network at a network switch;
storing a shadow hash forwarding table at the network switch by storing a hash forwarding table in current use at a time of the indication as the shadow hash forwarding table; and
forwarding a multidestination packet to a destination in the network using the shadow hash forwarding table.