diff --git a/network.proscan b/network.proscan
index 54f745a..2f1b24b 100644
--- a/network.proscan
+++ b/network.proscan
@@ -4,3 +4,5 @@ nfsMount ("fileserver","/export/proscan/ioc","/ioc")
 nfsMount ("fileserver","/export/proscan/work","/proscan/work")
 nfsMount ("fileserver","/export/proscan/prod","/proscan/prod")
 nfsMount (&sysBootHost, "/home/ioc", "/home/ioc")
+putenv("EPICS_CA_AUTO_ADDR_LIST=NO")
+putenv("EPICS_CA_ADDR_LIST=172.25.11.255 172.25.60.255")
diff --git a/startup.script_linux b/startup.script_linux
index 60eb849..6d63ea7 100644
--- a/startup.script_linux
+++ b/startup.script_linux
@@ -24,6 +24,10 @@ epicsEnvSet CA_172.21.13,"172.21.10.255 172.21.11.255 172.21.12.255"
 epicsEnvSet CA_172.26,"172.26.0.255 172.26.2.255 172.26.8.255 172.26.16.255 172.26.24.255 172.26.32.255 172.26.40.255 172.26.110.255 172.26.111.255 172.26.120.255"
 epicsEnvSet CA_AUTO_172.26,"NO"
 
+# PROSCAN
+epicsEnvSet CA_172.25,"172.25.60.255 172.25.11.255"
+epicsEnvSet CA_AUTO_172.25,"NO" 
+
 # All others can work with the defaults: automatic
 
 # Apply settings dependent on network