Dahua NVR wont ping to my remote DVR

Henry3499

n3wb
Feb 17, 2019
6
0
Nigeria
My NVR cannot ping to a particular remote DVR but all the devices connected to the local network can ping to this particular remote DVR. The NVR has internet connect and can ping to all remote DVR except one of the remote DVR.please any solution on how I can fix this problem