. TunnelConnection is a dynamically-added component under a tunnel component (such as a SerialTunnel) that reflects read-only information about this current tunnel connection.
Properties of a TunnelConnection (any tunnel type) are as follows:
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Established
Date-timestamp of when this tunnel connection was first established.
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User Name
User in the station that is currently tunneling.
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Remote Host
Windows hostname or IP address of the remote tunneling client.
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Protocol Version
Version of the (remote) NiagaraAX tunneling client application being used.
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Last Read
Date-timestamp of when the last read of a station item occurred over the tunnel connection.
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Last Write
Date-timestamp of when the last write to a station item occurred over the tunnel connection.
In addition, a TunnelConnection has an available (right-click) action:
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Disconnect
Disconnects the active tunnel connection, removing the parent TunnelConnection component. This causes a popup “Connection closed by remote host” to be seen on the client tunnel side.
A SerialTunnel component also has its own “Disconnect All” action, which effectively performs the same function.