Thanks to all who responded so quickly.
I have worked around the problem by setting on the machine
EPICS_CA_AUTO_ADDR_LIST NO
EPICS_CA_ADDR_LIST 165.65.160.255 127.0.0.1
i.e. forcing it to use the broadcast address of our subnet, plus the
localhost. I did this globally, i.e. for both clients and the IOC
server. With those settings everything works as it should, i.e. local
clients can see local and remote PVs, remote clients can see the local
PVs.
I don't understand why this was necessary on this one machine, but not
others.
Mark
> -----Original Message-----
> From: Eric Norum [mailto:[email protected]]
> Sent: Tuesday, April 08, 2008 7:20 PM
> To: Mark Rivers
> Subject: Re: Windows EPICS problem
>
> What happens if you add localhost (c.f. 127.0.0.1) to the client's
> EPICS_CA_ADDR_LIST environment variable?
> Having done so, does setting the client's
> EPICS_CA_AUTO_ADDR_LIST to
> NO make a difference?
> On Apr 8, 2008, at 7:01 PM, Mark Rivers wrote:
> > Folks,
> >
> > I'm having a strange problem on a Windows XP machine. I am
> running
> > a soft IOC on that machine, but I can't see its PVs from any local
> > CA client (caget, IDL, medm, etc).
> >
> > However:
> > - CA clients on that Windows machine can see PVs on all other
> > machines on the network
> > - CA clients on other machines on the network can see PVs on the
> > Windows machine
> >
> > So the problem is only that local Windows clients can not see the
> > PVs from a soft IOC running on the same computer. This is only
> > happening on this computer, not other Windows computers
> running the
> > same IOC binary. (They are not running at the same time, so it is
> > not a duplicate PV name problem).
> >
> > None of the EPICS environment variables are set except:
> > EPICS_CA_MAX_ARRAY_BYTES=10000000
> > EPICS_DISPLAY_PATH=P:/epics/adl
> >
> > The Windows Firewall is not running, nor is any other
> firewall that
> > I am aware of.
> >
> > What could be wrong? Of course I need this machine to be
> running an
> > EPICS demo tomorrow!
> >
> > Help!
> >
> > Thanks,
> > Mark
> >
> >
>
> --
> Eric Norum <[email protected]>
> Advanced Photon Source
> Argonne National Laboratory
> (630) 252-4793
>
>
>
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