The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 2026
Filed:
Oct. 29, 2021
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Daiying Liu, Beijing, CN;
Congjie Zhang, Beijing, CN;
Qiang Fu, Beijing, CN;
Gang Yang, Beijing, CN;
Telefonaktiebolaget LM Ericsson (PUBL), Stockholm, SE;
Abstract
The present disclosure provides a method () performed by a communication device. The method () includes: establishing () a first Internet Protocol Security, IPsec, tunnel with a first peer communication device and a second IPsec tunnel with a second peer communication device, the first IPsec tunnel being configured with a first Traffic Selector, TS, that specifies a source address range and a destination address range and has a first priority, and the second IPsec tunnel being configured with a second TS that specifies the source address range and the destination address range and has a second priority lower than the first priority; detecting () a failure of the first IPsec tunnel; and removing () the first TS for the first IPsec tunnel in response to the failure.