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

Claim 14:
15. A network node, comprising:
one or more memories; and
one or more processors to:
maintain parameters of an authenticated client session for a client device with a dynamic host configuration protocol (DHCP) server,
wherein the parameters include particular 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 particular instructions include a vendor specific attribute (VSA) that specifies a periodicity at which to trigger the ARP message or the NS message;

determine inactivity of the client device in the authenticated client session;
provide, based on the inactivity of the client device and the particular instructions, the ARP message or the NS message to trigger the response from the client device; and
maintain, based on receiving the response from the client device, the parameters in a data structure of the network node.