The present invention discloses a method for locating a
network packet loss fault point and analyzing the cause of the fault, wherein the method includes: a user reports a fault
source address and a fault destination address;
logging into a provincial network
core router, and querying the local access routers corresponding to the fault
source address and the fault destination address on the network according to the routing information on the device, wherein the local access
router corresponding to the fault
source address is recorded as routing device A, and the local access
router corresponding to the fault destination address is recorded as routing device B; performing fault point judgment; fault
cause analysis; outputting the fault point, fault
cause analysis or
processing suggestions, and operation logs during the fault judgment process. The present invention provides a method for locating a
network packet loss fault point and analyzing the cause of the fault, which can quickly locate the fault point through simple and efficient automated
processing means, and gives possible fault causes or
processing suggestions through a variety of combined testing means, covering common fault scenarios under
network packet loss or unreachable conditions.