diff --git a/TODO b/TODO
index 2601449..1a1da56 100644
--- a/TODO
+++ b/TODO
@@ -9,6 +9,9 @@ CRUD IP Allocations
 * CRUD MacAddressRanges
 * AIC doesn't support creating multiple switches on the same network. i.e. if we expand past the port count per switch, undefined
 
+We may want to override the existing sessionmaker. Things it chooses to do, like disabling expiration and autocommiting, are discouraged by the docs
+Implementation of Zope Interfaces to abstract base class all the things, as well as represent pluggable all the things
+
 
 Later:
 Maybe implement a straight passthrough driver for testing and debugging purposes
diff --git a/quark/db/models.py b/quark/db/models.py
index b2ab6f0..7e18180 100644
--- a/quark/db/models.py
+++ b/quark/db/models.py
@@ -210,6 +210,18 @@ class Port(BASEV2, HasId, HasTenant):
     ip_addresses = orm.relationship(IPAddress, backref=orm.backref("ports"))
 
 
+class PortIPAddressAssociation(BASEV2, HasId):
+    __tablename__ = "quark_port_ip_address_associations"
+    port_id = sa.Column(sa.String(36), sa.ForeignKey("quark_ports.id"),
+                        nullable=False)
+    ip_address_id = sa.Column(sa.String(36),
+                              sa.ForeignKey("quark_ip_addresses.id"),
+                              nullable=False)
+    port = orm.relationship(Port, uselist=False, backref="association")
+    ip_address = orm.relationship(IPAddress, uselist=False,
+                                  backref="association")
+
+
 class MacAddress(BASEV2, HasTenant):
     __tablename__ = "quark_mac_addresses"
     address = sa.Column(sa.BigInteger(), primary_key=True)
@@ -218,7 +230,6 @@ class MacAddress(BASEV2, HasTenant):
         nullable=False)
     deallocated = sa.Column(sa.Boolean())
     deallocated_at = sa.Column(sa.DateTime())
-    orm.relationship(Port, backref="mac_address")
 
 
 class MacAddressRange(BASEV2, HasId):
@@ -226,6 +237,7 @@ class MacAddressRange(BASEV2, HasId):
     cidr = sa.Column(sa.String(255), nullable=False)
     first_address = sa.Column(sa.BigInteger(), nullable=False)
     last_address = sa.Column(sa.BigInteger(), nullable=False)
+    mac_addresses = orm.relationship(MacAddress, backref="mac_address_range")
 
 
 class Network(BASEV2, HasTenant, HasId):
diff --git a/quark/plugin.py b/quark/plugin.py
index 46fdfc8..5087422 100644
--- a/quark/plugin.py
+++ b/quark/plugin.py
@@ -489,6 +489,7 @@ class Plugin(quantum_plugin_base_v2.QuantumPluginBaseV2):
             if k in port["port"]:
                 port["port"].pop(k)
 
+        addresses = []
         with session.begin():
             port_id = uuidutils.generate_uuid()
             net_id = port["port"]["network_id"]
@@ -520,10 +521,15 @@ class Plugin(quantum_plugin_base_v2.QuantumPluginBaseV2):
             new_port["addresses"] = addresses
             new_port["mac_address"] = mac["address"]
 
-            for a in addresses:
-                session.add(a)
-            session.add(mac)
             session.add(new_port)
+            session.add(mac)
+            for addr in addresses:
+                addr["port"] = new_port
+                assoc = models.PortIPAddressAssociation()
+                assoc["port"] = new_port
+                assoc["ip_address"] = addr
+                session.add(addr)
+                session.add(assoc)
 
         new_port["mac_address"] = str(netaddr.EUI(new_port["mac_address"],
                                       dialect=netaddr.mac_unix))