As the continuous development of informatization

electrical enterprises depend more and more on information network.Network security and reliability have become the primary issue of informatization construction.This paper analyses the present basic conditions of network operation in Xiangxi bureau

finds vulnerabilities and weaknesses existing in the core exchanger operation

and suggests that the core exchanger has two machines as hot backup.At the same time

All key application systems are adjusted to implement network and system disaster tolerance and precaution system for network and system should be improved from aspect of technology

staff and regulation.Anti-accident maneuver should be hold periodically to improve the ability to handle accidents and emergencies.