diff --git a/test/case/infix_interfaces/bridge_basic/topology.dot b/test/case/infix_interfaces/bridge_basic/topology.dot
index 1e367f14..a88946b3 100644
--- a/test/case/infix_interfaces/bridge_basic/topology.dot
+++ b/test/case/infix_interfaces/bridge_basic/topology.dot
@@ -1,13 +1,13 @@
 graph "1x2" {
 	layout="neato";
 	overlap="false";
-	esep="+20";
+	esep="+80";
 
         node [shape=record, fontname="monospace"];
 	edge [color="cornflowerblue", penwidth="2"];
 
 	host [
-	    label="host | { <tgt> tgt | <data> | data }",
+	    label="host | { <tgt> tgt | <data> data }",
 	    pos="0,12!",
 	    kind="controller",
 	];
@@ -20,5 +20,5 @@ graph "1x2" {
 	];
 
 	host:tgt -- target:mgmt [kind=mgmt]
-	host:data -- target:data
+	host:data -- target:data [color=black, fontcolor=black, taillabel="10.0.0.1/24", headlabel="10.0.0.2/24"]
 }
diff --git a/test/case/infix_interfaces/bridge_basic/topology.png b/test/case/infix_interfaces/bridge_basic/topology.png
index 953e7544..46d8d123 100644
Binary files a/test/case/infix_interfaces/bridge_basic/topology.png and b/test/case/infix_interfaces/bridge_basic/topology.png differ
diff --git a/test/case/infix_interfaces/bridge_fwd_dual_dut/test.py b/test/case/infix_interfaces/bridge_fwd_dual_dut/test.py
index ec1f16b8..f55aa322 100755
--- a/test/case/infix_interfaces/bridge_fwd_dual_dut/test.py
+++ b/test/case/infix_interfaces/bridge_fwd_dual_dut/test.py
@@ -8,7 +8,7 @@
 #        |                |     |                            |     |                 |
 #        |                |     |                            |     |                 |
 # ,-----------------------------------------------------------------------------------------,
-# |  host:mgmt0  host:data0     host:data1          host:data2     host:data3   host:mgmt1  |
+# |  host:mgmt0  host:data10    host:data11         host:data20    host:data21   host:mgmt1 |
 # |                             [10.0.0.2]          [10.0.0.3]     [10.0.0.4]               |
 # |                               (ns11)              (ns20)         (ns21)                 |
 # |                                                                                         |
@@ -28,7 +28,6 @@ with infamy.Test() as test:
         dut2 = env.attach("dut2", "mgmt")
 
     with test.step("Configure a bridge with triple physical port"):
-        _, tport10 = env.ltop.xlate("dut1", "data0")
         _, tport11 = env.ltop.xlate("dut1", "data1")
         _, tport12 = env.ltop.xlate("dut1", "data2")
         _, tport20 = env.ltop.xlate("dut2", "data0")
@@ -47,21 +46,13 @@ with infamy.Test() as test:
                                 "vlan": [
                                     {
                                         "vid": 10,
-                                        "untagged": [ tport10, tport11 ],
+                                        "untagged": [ tport11 ],
                                         "tagged":   [ "br0", tport12 ]
                                     }
                                 ]
                             }
                         }
                     },
-                    {
-                        "name": tport10,
-                        "enabled": True,
-                        "infix-interfaces:bridge-port": {
-                            "pvid": 10,
-                            "bridge": "br0"
-                        }
-                    },
                     {
                         "name": tport11,
                         "enabled": True,
diff --git a/test/case/infix_interfaces/bridge_fwd_dual_dut/topology.dot b/test/case/infix_interfaces/bridge_fwd_dual_dut/topology.dot
index 720baa3b..475e7847 100644
--- a/test/case/infix_interfaces/bridge_fwd_dual_dut/topology.dot
+++ b/test/case/infix_interfaces/bridge_fwd_dual_dut/topology.dot
@@ -1,38 +1,38 @@
 graph "2x4" {
 	layout="neato";
 	overlap="false";
-	esep="+20";
+	esep="+26";
 
         node [shape=record, fontname="monospace"];
 	edge [color="cornflowerblue", penwidth="2"];
 
 	host [
-	    label="host | { <mgmt1> mgmt1 | <data10> data10 | <data11>  data11 | <mgmt2> mgmt2 | <data20> data20 | <data21>  data21 }",
+	    label="host | { <mgmt1> mgmt1 | <data11>  data11 | <> \n\n\n| <mgmt2> mgmt2 | <data20> data20 | <data21>  data21 }",
 	    pos="0,15!",
+	    height=3,
+
 	    kind="controller",
 	];
 
         dut1 [
-	    label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | dut1 | { <data2> data2 }",
-	    pos="10,18!",
-
-	    kind="infix",
+	    label="{ <mgmt> mgmt | <data1> data1 } | { dut1 \n\n| <data2> data2 }",
+	    pos="4,15.68!",
+	    kind="infix",    
 	];
 
         dut2 [
-		label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | dut2 | { <data2> data2 }",
-	    pos="10,12!",
-
+		label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | { <data2> data2 | \n dut2 }",
+	    pos="4,14.43!",
+	    height=1.2,
 	    kind="infix",
 	];
 
 	host:mgmt1 -- dut1:mgmt [kind=mgmt]
-	host:data10 -- dut1:data0
-	host:data11 -- dut1:data1
+	host:data11 -- dut1:data1 [color=black, fontcolor=black, taillabel="10.0.0.2"]
 
 	host:mgmt2 -- dut2:mgmt [kind=mgmt]
-	host:data20 -- dut2:data0
-	host:data21 -- dut2:data1
+	host:data20 -- dut2:data0 [color=black, fontcolor=black, taillabel="10.0.0.3"]
+	host:data21 -- dut2:data1 [color=black, fontcolor=black, taillabel="10.0.0.4"]
 
 	dut1:data2 -- dut2:data2
 }
\ No newline at end of file
diff --git a/test/case/infix_interfaces/bridge_fwd_dual_dut/topology.png b/test/case/infix_interfaces/bridge_fwd_dual_dut/topology.png
index 76a67037..4c74bbb0 100644
Binary files a/test/case/infix_interfaces/bridge_fwd_dual_dut/topology.png and b/test/case/infix_interfaces/bridge_fwd_dual_dut/topology.png differ
diff --git a/test/case/infix_interfaces/bridge_fwd_sgl_dut/topology.dot b/test/case/infix_interfaces/bridge_fwd_sgl_dut/topology.dot
index 3e13689c..eedd8240 100644
--- a/test/case/infix_interfaces/bridge_fwd_sgl_dut/topology.dot
+++ b/test/case/infix_interfaces/bridge_fwd_sgl_dut/topology.dot
@@ -1,7 +1,7 @@
 graph "1x3" {
 	layout="neato";
 	overlap="false";
-	esep="+20";
+	esep="+80";
 
         node [shape=record, fontname="monospace"];
 	edge [color="cornflowerblue", penwidth="2"];
@@ -20,6 +20,6 @@ graph "1x3" {
 	];
 
 	host:tgt -- target:mgmt [kind=mgmt]
-	host:data0 -- target:data0
-	host:data1 -- target:data1
+	host:data0 -- target:data0 [color=black, fontcolor=black, taillabel="10.0.0.1"]
+	host:data1 -- target:data1 [color=black, fontcolor=black, taillabel="10.0.0.2"]
 }
\ No newline at end of file
diff --git a/test/case/infix_interfaces/bridge_fwd_sgl_dut/topology.png b/test/case/infix_interfaces/bridge_fwd_sgl_dut/topology.png
index fb612860..93093c11 100644
Binary files a/test/case/infix_interfaces/bridge_fwd_sgl_dut/topology.png and b/test/case/infix_interfaces/bridge_fwd_sgl_dut/topology.png differ
diff --git a/test/case/infix_interfaces/bridge_veth/topology.dot b/test/case/infix_interfaces/bridge_veth/topology.dot
index 1e367f14..f058adc4 100644
--- a/test/case/infix_interfaces/bridge_veth/topology.dot
+++ b/test/case/infix_interfaces/bridge_veth/topology.dot
@@ -1,24 +1,24 @@
 graph "1x2" {
 	layout="neato";
 	overlap="false";
-	esep="+20";
+	esep="+80";
 
         node [shape=record, fontname="monospace"];
 	edge [color="cornflowerblue", penwidth="2"];
 
 	host [
-	    label="host | { <tgt> tgt | <data> | data }",
+	    label="host | { <tgt> tgt | <data> data }",
 	    pos="0,12!",
 	    kind="controller",
 	];
 
         target [
-	    label="{ <mgmt> mgmt | <data> data } | target",
+	    label="{ <mgmt> mgmt | <data> data } | target(br0:veth)\n10.0.0.2/24",
 	    pos="10,12!",
 
 	    kind="infix",
 	];
 
 	host:tgt -- target:mgmt [kind=mgmt]
-	host:data -- target:data
+	host:data -- target:data [color=black, fontcolor=black, taillabel="10.0.0.1/24"]
 }
diff --git a/test/case/infix_interfaces/bridge_veth/topology.png b/test/case/infix_interfaces/bridge_veth/topology.png
index 953e7544..938ffe0c 100644
Binary files a/test/case/infix_interfaces/bridge_veth/topology.png and b/test/case/infix_interfaces/bridge_veth/topology.png differ
diff --git a/test/case/infix_interfaces/bridge_vlan/test.py b/test/case/infix_interfaces/bridge_vlan/test.py
index a48e97aa..e386e6e3 100755
--- a/test/case/infix_interfaces/bridge_vlan/test.py
+++ b/test/case/infix_interfaces/bridge_vlan/test.py
@@ -17,13 +17,13 @@ import infamy
 with infamy.Test() as test:
     with test.step("Initialize"):
         env  = infamy.Env()
-        dut1 = env.attach("target1", "mgmt")
-        dut2 = env.attach("target2", "mgmt")
+        dut1 = env.attach("dut1", "mgmt")
+        dut2 = env.attach("dut2", "mgmt")
 
     with test.step("Topology setup"):
-        _, dut1_e0 = env.ltop.xlate("target1", "data")
-        _, dut1_e1 = env.ltop.xlate("target1", "target2")
-        _, dut2_e0 = env.ltop.xlate("target2", "target1")
+        _, dut1_e0 = env.ltop.xlate("dut1", "data")
+        _, dut1_e1 = env.ltop.xlate("dut1", "to_dut2")
+        _, dut2_e0 = env.ltop.xlate("dut2", "to_dut1")
 
         dut1.put_config_dict("ietf-interfaces", {
             "interfaces": {
diff --git a/test/case/infix_interfaces/bridge_vlan/topology.dot b/test/case/infix_interfaces/bridge_vlan/topology.dot
index c3b6af0b..84d90c79 100644
--- a/test/case/infix_interfaces/bridge_vlan/topology.dot
+++ b/test/case/infix_interfaces/bridge_vlan/topology.dot
@@ -1,32 +1,32 @@
 graph "2x2" {
 	layout="neato";
 	overlap="false";
-	esep="+20";
+	esep="+40";
 
         node [shape=record, fontname="monospace"];
 	edge [color="cornflowerblue", penwidth="2"];
 
 	host [
-	    label="host | { <mgmt1> mgmt1 | <data1> data1 | <mgmt2> mgmt2 | <data2> data2 }",
-	    pos="0,12!",
+	    label="host | { <mgmt1> mgmt1 | <data1> data1 | <mgmt2> mgmt2 }",
+	    pos="0,16!",
 	    kind="controller",
 	];
 
-        target1 [
-	    label="{ <mgmt> mgmt | <data> data | <target2> target2} | target1",
-	    pos="10,18!",
+        dut1 [
+	    label="{ <mgmt> mgmt | <data> data | <to_dut2> to_dut2} | dut1\n(10.0.0.2) ",
+	    pos="10,16!",
 
 	    kind="infix",
 	];
-	target2 [
-	    label="{ <target1> target1 |<mgmt> mgmt | <data> data  } | target2",
-	    pos="10,6!",
+	dut2 [
+	    label="{ <to_dut1> to_dut1 | <mgmt> mgmt } | dut2\n(10.0.0.3)",
+	    pos="10,12!",
 
 	    kind="infix",
 	];
-	host:mgmt1 -- target1:mgmt [kind=mgmt]
-        host:mgmt2 -- target2:mgmt [kind=mgmt]
-	host:data1 -- target1:data
-	host:data2 -- target2:data
-	target1:target2 -- target2:target1
+	host:mgmt1 -- dut1:mgmt [kind=mgmt]
+        host:mgmt2 -- dut2:mgmt [kind=mgmt]
+	host:data1 -- dut1:data [color=black]
+
+	dut1:to_dut2 -- dut2:to_dut1
 }
diff --git a/test/case/infix_interfaces/bridge_vlan/topology.png b/test/case/infix_interfaces/bridge_vlan/topology.png
index 483114ef..ff6fadcd 100644
Binary files a/test/case/infix_interfaces/bridge_vlan/topology.png and b/test/case/infix_interfaces/bridge_vlan/topology.png differ
diff --git a/test/case/infix_interfaces/bridge_vlan_separation/topology.dot b/test/case/infix_interfaces/bridge_vlan_separation/topology.dot
index 720baa3b..ce4cbbb9 100644
--- a/test/case/infix_interfaces/bridge_vlan_separation/topology.dot
+++ b/test/case/infix_interfaces/bridge_vlan_separation/topology.dot
@@ -1,38 +1,38 @@
 graph "2x4" {
 	layout="neato";
 	overlap="false";
-	esep="+20";
+	esep="+22";
 
         node [shape=record, fontname="monospace"];
 	edge [color="cornflowerblue", penwidth="2"];
 
 	host [
-	    label="host | { <mgmt1> mgmt1 | <data10> data10 | <data11>  data11 | <mgmt2> mgmt2 | <data20> data20 | <data21>  data21 }",
+	    label="host | { <mgmt1> mgmt1 | <data10> data10 | <data11>  data11 | <> \n\n\n | <mgmt2> mgmt2 | <data20> data20 | <data21>  data21 }",
 	    pos="0,15!",
 	    kind="controller",
 	];
 
         dut1 [
-	    label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | dut1 | { <data2> data2 }",
-	    pos="10,18!",
-
+	    label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | { \n dut1 \n\n |  <data2> data2 }",
+	    pos="2,15.25!",
+	    fontsize=12,
 	    kind="infix",
 	];
 
         dut2 [
-		label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | dut2 | { <data2> data2 }",
-	    pos="10,12!",
-
+		label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | { <data2> data2 | \n dut2 \n\n }",
+	    pos="2,14.75!",
+	    fontsize=12,
 	    kind="infix",
 	];
 
 	host:mgmt1 -- dut1:mgmt [kind=mgmt]
-	host:data10 -- dut1:data0
-	host:data11 -- dut1:data1
+	host:data10 -- dut1:data0 [color=purple, fontcolor=purple, taillabel="10.0.0.1", headlabel="VLAN10 U"]
+	host:data11 -- dut1:data1 [color=darkgreen, fontcolor=darkgreen, taillabel="10.0.0.2", headlabel="VLAN20 U"]
 
 	host:mgmt2 -- dut2:mgmt [kind=mgmt]
-	host:data20 -- dut2:data0
-	host:data21 -- dut2:data1
+	host:data20 -- dut2:data0 [color=purple, fontcolor=purple, taillabel="10.0.0.3", headlabel="VLAN10 U"]
+	host:data21 -- dut2:data1 [color=darkgreen, fontcolor=darkgreen, taillabel="10.0.0.4", headlabel="VLAN20 U"]
 
-	dut1:data2 -- dut2:data2
+	dut1:data2 -- dut2:data2 [color=black, fontcolor=black, fontsize=12, label="VLAN 10,20 T"]
 }
\ No newline at end of file
diff --git a/test/case/infix_interfaces/bridge_vlan_separation/topology.png b/test/case/infix_interfaces/bridge_vlan_separation/topology.png
index 76a67037..e587d097 100644
Binary files a/test/case/infix_interfaces/bridge_vlan_separation/topology.png and b/test/case/infix_interfaces/bridge_vlan_separation/topology.png differ
diff --git a/test/case/infix_interfaces/dual_bridge/topology.dot b/test/case/infix_interfaces/dual_bridge/topology.dot
deleted file mode 100644
index 1e367f14..00000000
--- a/test/case/infix_interfaces/dual_bridge/topology.dot
+++ /dev/null
@@ -1,24 +0,0 @@
-graph "1x2" {
-	layout="neato";
-	overlap="false";
-	esep="+20";
-
-        node [shape=record, fontname="monospace"];
-	edge [color="cornflowerblue", penwidth="2"];
-
-	host [
-	    label="host | { <tgt> tgt | <data> | data }",
-	    pos="0,12!",
-	    kind="controller",
-	];
-
-        target [
-	    label="{ <mgmt> mgmt | <data> data } | target",
-	    pos="10,12!",
-
-	    kind="infix",
-	];
-
-	host:tgt -- target:mgmt [kind=mgmt]
-	host:data -- target:data
-}
diff --git a/test/case/infix_interfaces/dual_bridge/topology.dot b/test/case/infix_interfaces/dual_bridge/topology.dot
new file mode 120000
index 00000000..a7fee698
--- /dev/null
+++ b/test/case/infix_interfaces/dual_bridge/topology.dot
@@ -0,0 +1 @@
+../bridge_basic/topology.dot
\ No newline at end of file
diff --git a/test/case/infix_interfaces/dual_bridge/topology.png b/test/case/infix_interfaces/dual_bridge/topology.png
index 953e7544..46d8d123 100644
Binary files a/test/case/infix_interfaces/dual_bridge/topology.png and b/test/case/infix_interfaces/dual_bridge/topology.png differ
diff --git a/test/case/infix_interfaces/igmp_basic/topology.dot b/test/case/infix_interfaces/igmp_basic/topology.dot
index b8a6b5cd..87542739 100644
--- a/test/case/infix_interfaces/igmp_basic/topology.dot
+++ b/test/case/infix_interfaces/igmp_basic/topology.dot
@@ -1,7 +1,7 @@
 graph "1x4" {
 	layout="neato";
 	overlap="false";
-	esep="+20";
+	esep="+80";
 
         node [shape=record, fontname="monospace"];
 	edge [color="cornflowerblue", penwidth="2"];
@@ -13,14 +13,14 @@ graph "1x4" {
 	];
 
         target [
-	    label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 | <data2> data2 } | target",
+	    label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 | <data2> data2 } | target \n\n(br0)\n10.0.0.1/24",
 	    pos="10,12!",
 
 	    kind="infix",
 	];
 
 	host:tgt -- target:mgmt [kind=mgmt]
-	host:data0 -- target:data0
-	host:data1 -- target:data1
-	host:data2 -- target:data2
+	host:data0 -- target:data0 [color=black, fontcolor=black, taillabel="10.0.0.2/24"] 
+	host:data1 -- target:data1 [color=black, fontcolor=black, taillabel="10.0.0.3/24"]
+	host:data2 -- target:data2 [color=black, fontcolor=black, taillabel="10.0.0.4/24"]
 }
diff --git a/test/case/infix_interfaces/igmp_basic/topology.png b/test/case/infix_interfaces/igmp_basic/topology.png
index 0d7557d5..4bd67689 100644
Binary files a/test/case/infix_interfaces/igmp_basic/topology.png and b/test/case/infix_interfaces/igmp_basic/topology.png differ
diff --git a/test/case/infix_interfaces/igmp_vlan/topology.dot b/test/case/infix_interfaces/igmp_vlan/topology.dot
index 720baa3b..a49fef1e 100644
--- a/test/case/infix_interfaces/igmp_vlan/topology.dot
+++ b/test/case/infix_interfaces/igmp_vlan/topology.dot
@@ -1,38 +1,38 @@
 graph "2x4" {
 	layout="neato";
 	overlap="false";
-	esep="+20";
+	esep="+23";
 
         node [shape=record, fontname="monospace"];
 	edge [color="cornflowerblue", penwidth="2"];
 
 	host [
-	    label="host | { <mgmt1> mgmt1 | <data10> data10 | <data11>  data11 | <mgmt2> mgmt2 | <data20> data20 | <data21>  data21 }",
+	    label="host | { <mgmt1> mgmt1 | <data10> data10 | <data11>  data11 | <> \n\n\n | <mgmt2> mgmt2 | <data20> data20 | <data21>  data21 }",
 	    pos="0,15!",
 	    kind="controller",
 	];
 
         dut1 [
-	    label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | dut1 | { <data2> data2 }",
-	    pos="10,18!",
-
+	    label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | { dut1 \nVLAN55: 10.0.1.1 \nVLAN77: 10.0.2.1 |  <data2> data2 }",
+	    pos="3,15.4!",
+	    fontsize=12,
 	    kind="infix",
 	];
 
         dut2 [
-		label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | dut2 | { <data2> data2 }",
-	    pos="10,12!",
-
+		label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | { <data2> data2 | dut2 \nVLAN55: 10.0.1.2 \nVLAN77: 10.0.2.2\n }",
+	    pos="3,14.6!",
+	    fontsize=12,
 	    kind="infix",
 	];
 
 	host:mgmt1 -- dut1:mgmt [kind=mgmt]
-	host:data10 -- dut1:data0
-	host:data11 -- dut1:data1
+	host:data10 -- dut1:data0 [color=purple, fontcolor=purple, taillabel="10.0.1.11", headlabel="VLAN55 U"]
+	host:data11 -- dut1:data1 [color=darkgreen, fontcolor=darkgreen, taillabel="10.0.2.11", headlabel="VLAN77 U"]
 
 	host:mgmt2 -- dut2:mgmt [kind=mgmt]
-	host:data20 -- dut2:data0
-	host:data21 -- dut2:data1
+	host:data20 -- dut2:data0 [color=purple, fontcolor=purple, taillabel="10.0.1.22", headlabel="VLAN55 U"]
+	host:data21 -- dut2:data1 [color=darkgreen, fontcolor=darkgreen, taillabel="10.0.2.22", headlabel="VLAN77 U"]
 
-	dut1:data2 -- dut2:data2
+	dut1:data2 -- dut2:data2 [color=black, fontcolor=black, label="VLAN 1,2 T"]
 }
\ No newline at end of file
diff --git a/test/case/infix_interfaces/igmp_vlan/topology.png b/test/case/infix_interfaces/igmp_vlan/topology.png
index 76a67037..ad7082ec 100644
Binary files a/test/case/infix_interfaces/igmp_vlan/topology.png and b/test/case/infix_interfaces/igmp_vlan/topology.png differ
diff --git a/test/case/infix_interfaces/ipv4_autoconf/topology.dot b/test/case/infix_interfaces/ipv4_autoconf/topology.dot
deleted file mode 100644
index 1e367f14..00000000
--- a/test/case/infix_interfaces/ipv4_autoconf/topology.dot
+++ /dev/null
@@ -1,24 +0,0 @@
-graph "1x2" {
-	layout="neato";
-	overlap="false";
-	esep="+20";
-
-        node [shape=record, fontname="monospace"];
-	edge [color="cornflowerblue", penwidth="2"];
-
-	host [
-	    label="host | { <tgt> tgt | <data> | data }",
-	    pos="0,12!",
-	    kind="controller",
-	];
-
-        target [
-	    label="{ <mgmt> mgmt | <data> data } | target",
-	    pos="10,12!",
-
-	    kind="infix",
-	];
-
-	host:tgt -- target:mgmt [kind=mgmt]
-	host:data -- target:data
-}
diff --git a/test/case/infix_interfaces/ipv4_autoconf/topology.dot b/test/case/infix_interfaces/ipv4_autoconf/topology.dot
new file mode 120000
index 00000000..a7fee698
--- /dev/null
+++ b/test/case/infix_interfaces/ipv4_autoconf/topology.dot
@@ -0,0 +1 @@
+../bridge_basic/topology.dot
\ No newline at end of file
diff --git a/test/case/infix_interfaces/ipv4_autoconf/topology.png b/test/case/infix_interfaces/ipv4_autoconf/topology.png
index 953e7544..46d8d123 100644
Binary files a/test/case/infix_interfaces/ipv4_autoconf/topology.png and b/test/case/infix_interfaces/ipv4_autoconf/topology.png differ
diff --git a/test/case/infix_interfaces/static_multicast_filters/topology.dot b/test/case/infix_interfaces/static_multicast_filters/topology.dot
deleted file mode 100644
index b8a6b5cd..00000000
--- a/test/case/infix_interfaces/static_multicast_filters/topology.dot
+++ /dev/null
@@ -1,26 +0,0 @@
-graph "1x4" {
-	layout="neato";
-	overlap="false";
-	esep="+20";
-
-        node [shape=record, fontname="monospace"];
-	edge [color="cornflowerblue", penwidth="2"];
-
-	host [
-	    label="host | { <tgt> tgt | <data0> data0 | <data1>  data1 | <data2>  data2 }",
-	    pos="0,12!",
-	    kind="controller",
-	];
-
-        target [
-	    label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 | <data2> data2 } | target",
-	    pos="10,12!",
-
-	    kind="infix",
-	];
-
-	host:tgt -- target:mgmt [kind=mgmt]
-	host:data0 -- target:data0
-	host:data1 -- target:data1
-	host:data2 -- target:data2
-}
diff --git a/test/case/infix_interfaces/static_multicast_filters/topology.dot b/test/case/infix_interfaces/static_multicast_filters/topology.dot
new file mode 120000
index 00000000..164ada01
--- /dev/null
+++ b/test/case/infix_interfaces/static_multicast_filters/topology.dot
@@ -0,0 +1 @@
+../igmp_basic/topology.dot
\ No newline at end of file
diff --git a/test/case/infix_interfaces/static_multicast_filters/topology.png b/test/case/infix_interfaces/static_multicast_filters/topology.png
index 0d7557d5..4bd67689 100644
Binary files a/test/case/infix_interfaces/static_multicast_filters/topology.png and b/test/case/infix_interfaces/static_multicast_filters/topology.png differ
diff --git a/test/case/infix_interfaces/vlan_qos/topology.dot b/test/case/infix_interfaces/vlan_qos/topology.dot
index 3e13689c..cb48acb3 100644
--- a/test/case/infix_interfaces/vlan_qos/topology.dot
+++ b/test/case/infix_interfaces/vlan_qos/topology.dot
@@ -1,7 +1,7 @@
 graph "1x3" {
 	layout="neato";
 	overlap="false";
-	esep="+20";
+	esep="+150";
 
         node [shape=record, fontname="monospace"];
 	edge [color="cornflowerblue", penwidth="2"];
@@ -14,12 +14,12 @@ graph "1x3" {
 
         target [
 	    label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | target",
-	    pos="10,12!",
+	    pos="15,12!",
 
 	    kind="infix",
 	];
 
 	host:tgt -- target:mgmt [kind=mgmt]
-	host:data0 -- target:data0
-	host:data1 -- target:data1
+	host:data0 -- target:data0 [color=black, fontcolor=black, fontsize=12, taillabel="(vlan10) 192.168.10.2/24", headlabel="192.168.10.1/24 (vlan10)"]
+	host:data1 -- target:data1 [color=black, fontcolor=black, fontsize=12, taillabel="(vlan11) 192.168.11.2/24", headlabel="192.168.11.1/24 (vlan11)"]
 }
\ No newline at end of file
diff --git a/test/case/infix_interfaces/vlan_qos/topology.png b/test/case/infix_interfaces/vlan_qos/topology.png
index fb612860..60ac74fe 100644
Binary files a/test/case/infix_interfaces/vlan_qos/topology.png and b/test/case/infix_interfaces/vlan_qos/topology.png differ