diff --git a/rrmngmnt/network.py b/rrmngmnt/network.py
index 5c25664..4fa18f6 100644
--- a/rrmngmnt/network.py
+++ b/rrmngmnt/network.py
@@ -5,6 +5,7 @@
 import shlex
 import six
 import subprocess
+from errors import CommandExecutionFailure
 
 from rrmngmnt.service import Service
 
@@ -142,7 +143,7 @@ def _cmd(self, cmd):
 
         if rc:
             cmd_out = " ".join(cmd)
-            raise Exception(
+            raise CommandExecutionFailure(
                 "Fail to run command %s: %s ; %s" % (cmd_out, out, err))
         return out