FIELD: information technology.
SUBSTANCE: disclosed invention uses dynamic routing protocol BGP and a BGP route updating method in order to sent local resource information needed for protection to remote VPN equipment. Then, the remote VPN equipment may use the address of the next transmission, obtained in the new version of the BGP route and extended group feature of the BGP route to obtain the real address of the VPN equipment at its end. IPSec responds to creation of the corresponding IPSec tunnel according to the obtained information.
EFFECT: easy network configuration and high degree of protection from unauthorised access.
4 cl, 1 dwg
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