Experimental Physics and Industrial Control System
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Hi Pierrick,
if you can't connect at all, this looks like a network problem
rather than a gateway problem.
I am not a network person, but:
Can you ping the gateway machine from your remote machine (using
222.22.22.22)?
Does your DSL box contain a router/firewall? You might have to
configure a port forward in the DSL box that forwards TCP
connection to the 5064 port of its public IP address to the 5064
port of 111.11.11.11.
Maybe just running the example CA server on 111.11.11.11 is a
better way to start. You have to be able to do
caget/camonitor/cainfo from your external box to the PVs in the
example server on 111.11.11.11 to prove connectivity. The cainfo
client should show 222.22.22.22 as the server for the PVs.
At that point you should switch from the example server to the
Gateway, and start looking at Access Security and Gateway
configuration issues.
Good luck!
~Ralph
On 20.02.2013 22:33, Pierrick Hanlet wrote:
Hi Ralph,
Thanks for the response. I suppose that I'm being a bit thick,
but I'm not able to understand
your instructions. In starting the gateway, I added the flag
"-debug 50". I cannot connect
from my remote machine 333.33.33.33; I've attempted caget with
hopes that the log file
on the gateway machine will show some attempt to connect, but to
no avail. If this is not
what you mean, would you please be more specific?
Thanks,
Pierrick
On 02/20/2013 11:27 AM, Ralph Lange wrote:
On 20.02.2013 18:09, Pierrick
Hanlet wrote:
Hi
all,
I'm running an epics gateway v2.0.4 on a linux box running SL
with kernel 2.6.18 and is part of a LAN;
my EPICS version is 3.14.11. We have established an external
connection to this subnet with a DSL
connection with a public IP address and an ethernet cable from
the DSL modem. I have no name for
this public IP address.
So, my questions are:
1) How do I set up my gateway.access file?
2) On my remote node, how do I define my EPICS_CA_ADDR_LIST?
3) Can I even use an IP address in the access file?
Let's say that my host computer running the gateway is
111.11.11.11, the public IP address is 222.22.22.22,
and my remote machine on which I want the EPICS data is
333.33.33.33.
I've tried a variety of things and I'm clearly missing
something. On my other uses of the gateway, I don't
have the intermediate hop over the AT&T provided public IP
address.
Thanks,
Pierrick
Hi Pierrick,
I would say for the remote client
EPICS_CA_AUTO_ADDR_LIST=NO
EPICS_CA_NAME_SERVERS= 222.22.22.22
On the gateway, I would turn up debugging, connect from the
remote client, and check what it provides as user and host.
These will be the values to use in the Access Security
configuration.
Good luck!
~Ralph
--
"Whether you think you can or think you can't, either way, you
are correct" -- Henry Ford
_______________________________________________________________
Pierrick Hanlet
IIT/Fermilab
+1-630-840-5555 (FNAL)
+1-312-567-5745 (IIT)
+1-630-697-8758/+44-79-48-860-197 (US/UK mobile)
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- References:
- gateway: strange configuration Pierrick Hanlet
- Re: gateway: strange configuration Ralph Lange
- Re: gateway: strange configuration Pierrick Hanlet
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