US 12,278,905 B2
Automatic distribution of dynamic host configuration protocol (DHCP) keys via link layer discovery protocol (LLDP)
Géza Gaál, Budapest (HU); Balázs Varga, Budapest (HU); and János Szabó, Budapest (HU)
Assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
Appl. No. 17/434,069
Filed by Telefonaktiebolaget LM Ericsson (PUBL), Stockholm (SE)
PCT Filed Feb. 28, 2019, PCT No. PCT/SE2019/050174
§ 371(c)(1), (2) Date Aug. 26, 2021,
PCT Pub. No. WO2020/176021, PCT Pub. Date Sep. 3, 2020.
Prior Publication US 2022/0141027 A1, May 5, 2022
Int. Cl. H04L 29/06 (2006.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01); H04L 61/5014 (2022.01)
CPC H04L 9/3242 (2013.01) [H04L 9/0825 (2013.01); H04L 9/3247 (2013.01); H04L 61/5014 (2022.05)] 14 Claims
OG exemplary drawing
 
1. A method for obtaining information from a server, the method comprising:
a client device receiving a link layer message transmitted by a network node, the link layer message comprising authentication information, the link layer message excluding network routing information, the network routing information comprising an Internet protocol (IP) address, wherein the network routing information is excluded from the link layer message prior to IP connectivity for client device being established, wherein the authentication information is associated with a particular interface of the network node when the client device is identified as an expected client device; and
the client device using the authentication information to obtain information from the server.