Experimental Physics and Industrial Control System
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Hi,
For some years now, I have implemented this feature in the portable-server-library (i.e.
cas), and also in an even newer CA server library which has also been integrated into the IOC, and has many additional new features, but unfortunately these changes have not been merged into any EPICS production release at this time.
Jeff
Dear EPICS experts,
I would like to run one EPICS IOC on a Linux system configured with two Ethernet interfaces connected to
two different networks. But I would like the IOC to respond to the requests to only one of the interfaces,
and send the data using the same interface. Basically, I would like EPICS IOC not to interfere with
the main traffic going through the other Ethernet port. Can this be done? I know it can be done using a virtual
machine, but I would like to avoid doing it and consuming extra resources since these are VME CPUs.
I tried running an IOC that I built using R3-14-12-3, and when I set EPICS_CAS_INTF_ADDR_LIST
the IOC still responds to the requests sent to any of the two interfaces. Actually, the CA manual page says that
"In R3.14 and previous releases the CA server employed by iocCore does not implement this feature."
Is this feature going to be implemented for IOCs in the near-future releases (3-15 for instance)? And another
question is if eventually the IOC only responds to the requests addressed to only one of its interfaces, will it
also transmit the data using that interface or the data will be routed considering both Ethernet interfaces?
Hovanes Egiyan.
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- References:
- single IOC on Linux with two ports Hovanes Egiyan
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ANJ, 20 Apr 2015 |
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