diff --git a/pkg/vpcagent/models/models.go b/pkg/vpcagent/models/models.go
index a9dd7218b6..bda505fdd8 100644
--- a/pkg/vpcagent/models/models.go
+++ b/pkg/vpcagent/models/models.go
@@ -21,6 +21,7 @@ import (
 type Vpc struct {
 	compute_models.SVpc
 
+	Wire     *Wire    `json:"-"`
 	Networks Networks `json:"-"`
 }
 
@@ -30,19 +31,29 @@ func (el *Vpc) Copy() *Vpc {
 	}
 }
 
+type Wire struct {
+	compute_models.SWire
+
+	Vpc *Vpc
+}
+
+func (el *Wire) Copy() *Wire {
+	return &Wire{
+		SWire: el.SWire,
+	}
+}
+
 type Network struct {
 	compute_models.SNetwork
-	// returned as extra column
-	VpcId string
 
 	Vpc           *Vpc          `json:"-"`
+	Wire          *Wire         `json:"-"`
 	Guestnetworks Guestnetworks `json:"-"`
 }
 
 func (el *Network) Copy() *Network {
 	return &Network{
 		SNetwork: el.SNetwork,
-		VpcId:    el.VpcId,
 	}
 }
 
diff --git a/pkg/vpcagent/models/modelset.go b/pkg/vpcagent/models/modelset.go
index ccb6cdc821..5e55c5c200 100644
--- a/pkg/vpcagent/models/modelset.go
+++ b/pkg/vpcagent/models/modelset.go
@@ -17,7 +17,6 @@ package models
 import (
 	"yunion.io/x/log"
 
-	"yunion.io/x/onecloud/pkg/apis/compute"
 	"yunion.io/x/onecloud/pkg/cloudcommon/db"
 	mcclient_modulebase "yunion.io/x/onecloud/pkg/mcclient/modulebase"
 	mcclient_modules "yunion.io/x/onecloud/pkg/mcclient/modules"
@@ -26,6 +25,7 @@ import (
 
 type (
 	Vpcs               map[string]*Vpc
+	Wires              map[string]*Wire
 	Networks           map[string]*Network
 	Guests             map[string]*Guest
 	Hosts              map[string]*Host
@@ -46,9 +46,6 @@ func (set Vpcs) NewModel() db.IModel {
 
 func (set Vpcs) AddModel(i db.IModel) {
 	m := i.(*Vpc)
-	if m.Id == compute.DEFAULT_VPC_ID {
-		return
-	}
 	set[m.Id] = m
 }
 
@@ -68,16 +65,36 @@ func (set Vpcs) IncludeEmulated() bool {
 	return false
 }
 
+func (ms Vpcs) joinWires(subEntries Wires) bool {
+	correct := true
+	for _, subEntry := range subEntries {
+		vpcId := subEntry.VpcId
+		m, ok := ms[vpcId]
+		if !ok {
+			log.Warningf("vpc_id %s of wire %s(%s) is not present", vpcId, subEntry.Name, subEntry.Id)
+			correct = false
+			continue
+		}
+		subEntry.Vpc = m
+		m.Wire = subEntry
+	}
+	return correct
+}
+
 func (ms Vpcs) joinNetworks(subEntries Networks) bool {
 	for _, m := range ms {
 		m.Networks = Networks{}
 	}
 	correct := true
 	for subId, subEntry := range subEntries {
-		id := subEntry.VpcId
-		if id == compute.DEFAULT_VPC_ID {
+		wire := subEntry.Wire
+		if wire == nil {
+			// ensured by vpcs.joinWires
+			log.Warningf("network %s(%s) has no wire", subEntry.Name, subEntry.Id)
+			correct = false
 			continue
 		}
+		id := wire.VpcId
 		m, ok := ms[id]
 		if !ok {
 			// let it go.  By the time the subnet has externalId or
@@ -99,6 +116,49 @@ func (ms Vpcs) joinNetworks(subEntries Networks) bool {
 	return correct
 }
 
+func (set Wires) ModelManager() mcclient_modulebase.IBaseManager {
+	return &mcclient_modules.Wires
+}
+
+func (set Wires) NewModel() db.IModel {
+	return &Wire{}
+}
+
+func (set Wires) AddModel(i db.IModel) {
+	m := i.(*Wire)
+	set[m.Id] = m
+}
+
+func (set Wires) Copy() apihelper.IModelSet {
+	setCopy := Wires{}
+	for id, el := range set {
+		setCopy[id] = el.Copy()
+	}
+	return setCopy
+}
+
+func (set Wires) IncludeDetails() bool {
+	return false
+}
+
+func (set Wires) IncludeEmulated() bool {
+	return true
+}
+
+func (ms Wires) joinNetworks(subEntries Networks) bool {
+	correct := true
+	for _, subEntry := range subEntries {
+		wireId := subEntry.WireId
+		m, ok := ms[wireId]
+		if !ok {
+			correct = false
+			continue
+		}
+		subEntry.Wire = m
+	}
+	return correct
+}
+
 func (set Guests) ModelManager() mcclient_modulebase.IBaseManager {
 	return &mcclient_modules.Servers
 }
diff --git a/pkg/vpcagent/models/modelsets.go b/pkg/vpcagent/models/modelsets.go
index 4dc3b2c327..fd37ed22d6 100644
--- a/pkg/vpcagent/models/modelsets.go
+++ b/pkg/vpcagent/models/modelsets.go
@@ -39,6 +39,7 @@ func init() {
 
 type ModelSetsMaxUpdatedAt struct {
 	Vpcs               time.Time
+	Wires              time.Time
 	Networks           time.Time
 	Guests             time.Time
 	Hosts              time.Time
@@ -51,6 +52,7 @@ type ModelSetsMaxUpdatedAt struct {
 func NewModelSetsMaxUpdatedAt() *ModelSetsMaxUpdatedAt {
 	return &ModelSetsMaxUpdatedAt{
 		Vpcs:               apihelper.PseudoZeroTime,
+		Wires:              apihelper.PseudoZeroTime,
 		Networks:           apihelper.PseudoZeroTime,
 		Guests:             apihelper.PseudoZeroTime,
 		Hosts:              apihelper.PseudoZeroTime,
@@ -63,6 +65,7 @@ func NewModelSetsMaxUpdatedAt() *ModelSetsMaxUpdatedAt {
 
 type ModelSets struct {
 	Vpcs               Vpcs
+	Wires              Wires
 	Networks           Networks
 	Guests             Guests
 	Hosts              Hosts
@@ -75,6 +78,7 @@ type ModelSets struct {
 func NewModelSets() *ModelSets {
 	return &ModelSets{
 		Vpcs:               Vpcs{},
+		Wires:              Wires{},
 		Networks:           Networks{},
 		Guests:             Guests{},
 		Hosts:              Hosts{},
@@ -89,6 +93,7 @@ func (mss *ModelSets) ModelSetList() []apihelper.IModelSet {
 	// it's ordered this way to favour creation, not deletion
 	return []apihelper.IModelSet{
 		mss.Vpcs,
+		mss.Wires,
 		mss.Networks,
 		mss.Guests,
 		mss.Hosts,
@@ -106,6 +111,7 @@ func (mss *ModelSets) NewEmpty() apihelper.IModelSets {
 func (mss *ModelSets) Copy() apihelper.IModelSets {
 	mssCopy := &ModelSets{
 		Vpcs:               mss.Vpcs.Copy().(Vpcs),
+		Wires:              mss.Wires.Copy().(Wires),
 		Networks:           mss.Networks.Copy().(Networks),
 		Guests:             mss.Guests.Copy().(Guests),
 		Hosts:              mss.Hosts.Copy().(Hosts),
@@ -141,6 +147,8 @@ func (mss *ModelSets) ApplyUpdates(mssNews apihelper.IModelSets) apihelper.Model
 func (mss *ModelSets) join() bool {
 	mss.Guests.initJoin()
 	var p []bool
+	p = append(p, mss.Vpcs.joinWires(mss.Wires))
+	p = append(p, mss.Wires.joinNetworks(mss.Networks))
 	p = append(p, mss.Vpcs.joinNetworks(mss.Networks))
 	p = append(p, mss.Networks.joinGuestnetworks(mss.Guestnetworks))
 	p = append(p, mss.Guests.joinHosts(mss.Hosts))