US 12,177,077 B2
Detection of overlapping subnets in a network
Sanchay Harneja, Belmont, CA (US); Sanjay Sundaresan, San Jose, CA (US); and Harsha Jagannati, Fremont, CA (US)
Assigned to Cisco Technology, Inc., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Jan. 24, 2023, as Appl. No. 18/158,939.
Application 18/158,939 is a continuation of application No. 16/834,873, filed on Mar. 30, 2020, granted, now 11,570,047.
Application 16/834,873 is a continuation of application No. 15/663,618, filed on Jul. 28, 2017, granted, now 10,644,946, issued on May 5, 2020.
Claims priority of provisional application 62/521,809, filed on Jun. 19, 2017.
Prior Publication US 2023/0171157 A1, Jun. 1, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 41/0866 (2022.01); H04L 41/06 (2022.01); H04L 41/0873 (2022.01); H04L 41/14 (2022.01)
CPC H04L 41/0866 (2013.01) [H04L 41/06 (2013.01); H04L 41/0873 (2013.01); H04L 41/145 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for detecting overlapping subnets in a fabric, the method comprising:
receiving a plurality of configurations from a plurality of devices in a fabric, wherein the plurality of devices in the fabric includes at least a first group of virtual machines running in cluster mode and a second group of virtual machines running in a cluster mode, and wherein the first group and the second group are configured with one or more subnets; analyzing the plurality of configurations to determine if an overlap of subnets occurs between at least the first group and the second group; and in response to the overlap occurring between at least the first group and second group, generating an event for the overlap.