Patent ID: 11902380
Assignee: JUNIPER NETWORKS, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method, comprising:
maintaining, by a network node, parameters of an authenticated client session for a client device with a dynamic host configuration protocol (DHCP) server,
wherein the parameters include instructions for providing an address resolution protocol (ARP) message or a neighbor solicitation (NS) message to trigger a response from the client device before removing the parameters,
wherein the instructions include a vendor specific attribute (VSA) that specifies a periodicity at which to trigger the ARP message or the NS message;

determining, by the network node, inactivity of the client device in the authenticated client session;
providing, by the network node and based on the inactivity of the client device and the instructions, the ARP message or the NS message to trigger the response from the client device; and
maintaining, by the network node and based on receiving the response from the client device, the parameters in a data structure of the network node.