diff --git a/edge-monitoring/agent_modem/edge_monitoring_agent_modem.py b/edge-monitoring/agent_modem/edge_monitoring_agent_modem.py
index 0744304..757d622 100755
--- a/edge-monitoring/agent_modem/edge_monitoring_agent_modem.py
+++ b/edge-monitoring/agent_modem/edge_monitoring_agent_modem.py
@@ -26,7 +26,7 @@
 from collections import namedtuple
 
 '''
-Simple script that checks Aether network operational status periodically
+"Simple" script that checks Aether network operational status periodically
 by controlling the attached 4G/LTE modem with AT commands and
 report the result to the central monitoring server.
 '''
@@ -182,7 +182,7 @@
 
 
 def get_user_plane_state(modem):
-    resp = os.system("ping -c 3 " + CONF.ping_to + ">/dev/null 2>&1")
+    resp = os.system("ping -c 3 " + CONF.ips.user_plane_ping_test + ">/dev/null 2>&1")
     return State.connected if resp is 0 else State.disconnected, None
 
 
@@ -192,10 +192,10 @@
     Input: IP to ping, # times to ping
     Returns: dict of the min/avg/max/stddev numbers from the ping command result
     '''
-    result = {'min': None,
-              'avg': None,
-              'max': None,
-              'stddev': None}
+    result = {'min': 0.0,
+              'avg': 0.0,
+              'max': 0.0,
+              'stddev': 0.0}
     try:
         pingResult = subprocess.check_output(
                 "ping -c " + str(count) + " " + ip + \
@@ -217,7 +217,7 @@
     2) # TODO: Performs ping to device on network.
     '''
     speedtest_ping = {}
-    speedtest_ping['dns'] = run_ping_test("8.8.8.8", 10)
+    speedtest_ping['dns'] = run_ping_test(CONF.ips.speedtest_ping_dns, 10)
     return speedtest_ping
 
 
@@ -247,11 +247,12 @@
         logging.error("Failed to connect the modem for %s", e)
         sys.exit(1)
 
-    success = os.system("sudo ip route replace {}/32 via {}".format(
-        CONF.ping_to, CONF.modem.ip_addr))
-    if success is not 0:
-        logging.error("Failed to add test routing.")
-        sys.exit(1)
+    for ip in CONF.ips:
+        success = os.system("sudo ip route replace {}/32 via {}".format(
+            ip, CONF.modem.ip_addr))
+        if success is not 0:
+            logging.error("Failed to add test routing to " + ip)
+            sys.exit(1)
 
     while True:
         cp_state, cp_msg = get_control_plane_state(modem)