When browsing a network, some connected devices do not appear

When I browse a network using the

RSLinx Classic

, why some of the devices that I know are connected to the network do not appear in the RSWho network topology?

When a device is configured in a CIP security zone with FactoryTalk Policy Manager,

RSLinx Classic

cannot communicate with that device. To communicate with the device, use a

FactoryTalk Linx

server that is configured in the same CIP security zone with the device.