Re: Accessing IOC on different subnet

["Bhavna N. Merh via Tech-talk" <tech-talk@aps.anl.gov>]

Hello,

The responses are :

For windows PC-

APPDATA=C:\Users\Admin\AppData\Roaming
CATOOLS=C:\Program Files (x86)\National Instruments\LabVIEW 
2016\user.lib\caLab\lib
CommonProgramFiles=C:\Program Files\Common Files
CommonProgramFiles(x86)=C:\Program Files (x86)\Common Files
CommonProgramW6432=C:\Program Files\Common Files
COMPUTERNAME=BL09-BACKUP-PC
ComSpec=C:\WINDOWS\system32\cmd.exe
DriverData=C:\Windows\System32\Drivers\DriverData
EPICS_CA_ADDR_LIST=192.168.1.25
EPICS_CA_AUTO_ADDR_LIST=NO

For CentOS PC-
 EPICS_CA_ADDR_LIST: localhost
EPICS_CA_CONN_TMO: 30.0
EPICS_CA_AUTO_ADDR_LIST: NO
EPICS_CA_REPEATER_PORT: 5065
EPICS_CA_SERVER_PORT: 5064
EPICS_CA_MAX_ARRAY_BYTES: 6000000
EPICS_CA_MAX_SEARCH_PERIOD: 300.0
EPICS_CA_NAME_SERVERS is undefined
EPICS_CAS_INTF_ADDR_LIST: localhost
EPICS_CAS_IGNORE_ADDR_LIST is undefined
EPICS_CAS_AUTO_BEACON_ADDR_LIST is undefined
EPICS_CAS_BEACON_ADDR_LIST is undefined
EPICS_CAS_SERVER_PORT is undefined
EPICS_CA_BEACON_PERIOD: 15.0
EPICS_CAS_BEACON_PERIOD is undefined
EPICS_CAS_BEACON_PORT is undefined
EPICS_TIMEZONE: CST/CDT::360:030802:110102
EPICS_TS_NTP_INET is undefined
EPICS_IOC_LOG_PORT: 7004
EPICS_IOC_LOG_INET is undefined
EPICS_IOC_LOG_FILE_LIMIT: 1000000
EPICS_IOC_LOG_FILE_NAME is undefined
EPICS_IOC_LOG_FILE_COMMAND is undefined
EPICS_CMD_PROTO_PORT is undefined
EPICS_AR_PORT: 7002
IOCSH_PS1: epics>
IOCSH_HISTSIZE: 50

-Bhavna

On 27-11-2019 10:27, Mark Rivers wrote:
> Hi Bhavna,
>
> It seems to me that the setup you describe should work without setting
> the EPICS environment variables at all. The IOC on B should make its
> PVs available on both subnets.
>
> At the IOC prompt on B type epicsPrtEnvParams and send the output. On
> C type “set” and send the results for any environment variables
> starting with EPICS.
>
> Are the subnet masks all set correctly? It looks like they should be
> 255.255.255.0.
>
> Mark
>
>
> Sent from my iPhone
>
> > On Nov 26, 2019, at 9:22 PM, Bhavna N. Merh via Tech-talk 
> > <tech-talk@aps.anl.gov> wrote:
> > I have a device (say A) and 2 PCs (B and C)
> >
> > B a CentOS 7 PC  has 2 NICs. C is a windows 10 PC.
> >
> > A and B are  on one subnet (IP addr of both respectively: 192.168.0.2 
> > and 192.168.0.1)
> > B and C are on another subnet (IP addr: 192.168.1.23 and 192.168.1.25)
> >
> > The IOC runs on B and gathers data from device A.
> >
> > I am unable to access the PVs from C. caget says channel connection 
> > timeout. (All firewalls are disabled)
> > Suggest what to write in EPICS_CA_ADDR_LIST and where.
> >
> >
> > Bhavna N. Merh
> > Scientific Officer, Accelerator Control Systems Division
> > Raja Ramanna Centre for Advanced Technology
> > Indore, Madhya Pradesh, India -452013
> > Ph:(0731)248-8055
> > "Complexity comes for free, Simplicity you have to work for."