A method, system, and apparatus are provided for testing a service in a
network. A simulated interface is created on a network device by a
Network Management Station (NMS). Thereafter, an instruction is received
at the simulated interface from the NMS. The instruction comprises a
source address, a destination address and other information to test a
service. The service is tested on the network device based on the
received instruction. A response is generated from the test. The response
indicates whether the service is working as intended between the source
address and the destination address. The response is sent from the
simulated interface to the NMS.