diff --git a/daemon/core/nodes/network.py b/daemon/core/nodes/network.py
index b2be9fd8..dd4cbed7 100644
--- a/daemon/core/nodes/network.py
+++ b/daemon/core/nodes/network.py
@@ -843,7 +843,6 @@ class PtpNet(CoreNetwork):
             return all_links
 
         if1, if2 = self._netif.values()
-
         unidirectional = 0
         if if1.getparams() != if2.getparams():
             unidirectional = 1
@@ -918,10 +917,11 @@ class PtpNet(CoreNetwork):
                 message_type=0,
                 node1_id=if2.node.id,
                 node2_id=if1.node.id,
-                delay=if1.getparam("delay"),
-                bandwidth=if1.getparam("bw"),
-                dup=if1.getparam("duplicate"),
-                jitter=if1.getparam("jitter"),
+                delay=if2.getparam("delay"),
+                bandwidth=if2.getparam("bw"),
+                per=if2.getparam("loss"),
+                dup=if2.getparam("duplicate"),
+                jitter=if2.getparam("jitter"),
                 unidirectional=1,
                 interface1_id=if2.node.getifindex(if2),
                 interface2_id=if1.node.getifindex(if1)
diff --git a/daemon/core/xml/corexml.py b/daemon/core/xml/corexml.py
index 83f9f22e..fb99e061 100644
--- a/daemon/core/xml/corexml.py
+++ b/daemon/core/xml/corexml.py
@@ -792,7 +792,7 @@ class CoreXmlReader(object):
 
             if link_options.unidirectional == 1 and node_set in node_sets:
                 logging.info("updating link node_one(%s) node_two(%s): %s", node_one, node_two, link_options)
-                self.session.update_link(node_one, node_two, interface_one, interface_two, link_options)
+                self.session.update_link(node_one, node_two, interface_one.id, interface_two.id, link_options)
             else:
                 logging.info("adding link node_one(%s) node_two(%s): %s", node_one, node_two, link_options)
                 self.session.add_link(node_one, node_two, interface_one, interface_two, link_options)
diff --git a/daemon/tests/test_xml.py b/daemon/tests/test_xml.py
index 11bb2706..7e8dabd1 100644
--- a/daemon/tests/test_xml.py
+++ b/daemon/tests/test_xml.py
@@ -480,12 +480,20 @@ class TestXml:
 
         # create link
         link_options_one = LinkOptions()
-        link_options_one.bandwidth = 5000
         link_options_one.unidirectional = 1
+        link_options_one.bandwidth = 5000
+        link_options_one.delay = 10
+        link_options_one.per = 5
+        link_options_one.dup = 5
+        link_options_one.jitter = 5
         session.add_link(node_one.id, node_two.id, interface_one, interface_two, link_options_one)
         link_options_two = LinkOptions()
-        link_options_two.bandwidth = 10000
         link_options_two.unidirectional = 1
+        link_options_two.bandwidth = 10000
+        link_options_two.delay = 20
+        link_options_two.per = 10
+        link_options_two.dup = 10
+        link_options_two.jitter = 10
         session.update_link(node_two.id, node_one.id, interface_two.id, interface_one.id, link_options_two)
 
         # instantiate session
@@ -527,4 +535,12 @@ class TestXml:
         link_one = links[0]
         link_two = links[1]
         assert link_options_one.bandwidth == link_one.bandwidth
+        assert link_options_one.delay == link_one.delay
+        assert link_options_one.per == link_one.per
+        assert link_options_one.dup == link_one.dup
+        assert link_options_one.jitter == link_one.jitter
         assert link_options_two.bandwidth == link_two.bandwidth
+        assert link_options_two.delay == link_two.delay
+        assert link_options_two.per == link_two.per
+        assert link_options_two.dup == link_two.dup
+        assert link_options_two.jitter == link_two.jitter