| 摘要 |
Embodiments of the present invention disclose a security controller SC restoration method and an apparatus, which relate to the communications field, and are used to improve network stability. The method provided by the embodiments of the present invention includes: designating, by a master node, a node to which a backup SC belongs, where the master node includes an original DM or a backup DM; sending, by the master node to a first node, a message indicating the backup SC, where the message indicating the backup SC includes an identifier of the node to which the backup SC belongs; in a case in which a node to which an original SC belongs is disconnected, sending, by the master node to the first node, a message for enabling an SC function, so that the first node performs authentication, according to the message for enabling an SC function, on the node to which the backup SC belongs, where the message for enabling an SC function includes the identifier of the node to which the backup SC belongs. |
