Experimental Physics and Industrial Control System
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Hello,
By default, channel access uses all broadcast addresses it finds on the host.
That means an IOC is server on both network cards and a client searches on both
network cards. Thus, when client and IOC run on the same machine, you get
duplicate channel warnings. Setting EPICS_CA_AUTO_ADDR_LIST=NO and
EPICS_CA_ADDR_LIST=’primary IP’ on hosts with two network cards is the correct
way to solve this problem. Best do it automatically for every user in a script
in /etc/profile.d/.
Dirk
Kevin Tsubota wrote:
Hi All,
I have an R3.14.9 Unix IOC running on a Solaris-8 host that actually has
two IP addresses. The 2^nd IP is setup for a private network.
When I access a channel from this IOC, it warns me about multiple IOCs
and references both IP addresses assigned to this server, the primary
address and the private network address.
I have worked around it by using EPICS_CA_AUTO_ADDR_LIST=NO and
EPICS_CA_ADDR_LIST=’primary IP’ but am curious why this is happening and
if there is another way around this.
Thank you,
Kevin Tsubota
W.M. Keck Observatory
--
Dr. Dirk Zimoch
Paul Scherrer Institut, WBGB/006
5232 Villigen PSI, Switzerland
Phone +41 56 310 5182
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ANJ, 02 Sep 2010 |
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