Patent ID: 7876694

Claim:
A system, comprising: a maintenance software package embodied on a non-transitory computer readable medium that accesses a database storing connection information among: a first virtual private network and a first provider edge router (PE); the first PE and a second PE; the first PE and a first customer edge router (CE); a first PE-PE interface of the first PE and a first PE-PE interface of the second PE; a first PE-CE interface of the first PE and a first CE-PE interface of the first CE; a first virtual routing address and the first PE-CE interface; and the first virtual routing address and the first virtual private network; and the maintenance software package embodied on a non-transitory computer readable medium operable to identify the first virtual private network from connection information between the first PE-CE interface and the first virtual routing address and connection information between the first virtual routing address and the first virtual private network, and if the first CE is in-operational, then the maintenance software package embodied on a non-transitory computer readable medium identifies the first virtual private network as impacted by the first CE.