We have connected the Matrikon OPC Server to our DeltaV OPC Server through a Cisco Firewall.
From DeltaV OPC Server, we're unable to ping our Matrikon OPC Server and vice-versa. Also, we're unable to see the Matrikon OPC Server in the DeltaV OPC Server using OPCWATCHIT and in the DeltaV OPC Mirror.
According to the System Administrator, it's not allowed for external machine (in our case, the Matrikon OPC Server) to ping the DeltaV OPC Server and vice-versa.
Was he correct or not?
If yes, then how can the DeltaV communicate with the Matrikon?
Do we need to configure the DCOM on the Matrikon OPC Server or not necessary?
If yes, can we use the same procedure in configuring the DCOM for Windows 7 Enterprise to our Windows 7 Professional machine (OS of Matrikon OPC Server)?
What is the best solution so that we can establish the communication?
Thanks for your contribution.
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