diff --git a/configs/bova/bova-mdf-a8360-sw2.cfg b/configs/bova/bova-mdf-a8360-sw2.cfg
index 19c66e9..cae35cc 100755
--- a/configs/bova/bova-mdf-a8360-sw2.cfg
+++ b/configs/bova/bova-mdf-a8360-sw2.cfg
@@ -220,13 +220,13 @@ vlan 503
     name CT-A
     dhcpv4-snooping
 vlan 513
-    name CT-B
+    name ring3_ct-b
     dhcpv4-snooping
 vlan 523
     name SH-A
     dhcpv4-snooping
 vlan 533
-    name SH-B
+    name ring3_sh-b
     dhcpv4-snooping
 vlan 699
     name NativeVLAN
@@ -236,6 +236,10 @@ spanning-tree priority 2
 spanning-tree trap topology-change instance 0
 spanning-tree ignore-pvid-inconsistency
 spanning-tree vlan 10,20,21,30,35,40,48,50,70,72,168,230,254,503,513,523,533,699
+spanning-tree vlan 503 priority 15
+spanning-tree vlan 513 priority 15
+spanning-tree vlan 523 priority 15
+spanning-tree vlan 533 priority 15
 interface mgmt
     no shutdown
     ip static 192.168.41.3/24
@@ -482,16 +486,18 @@ interface vlan 254
     ip ospf network point-to-point
     ip pim-sparse enable
 interface vlan 513
-    description to ring 3
+    description ring3_ct-b
     ip address 10.254.213.41/24
     ip ospf 1 area 0.0.0.0
     no ip ospf passive
+    ip ospf cost 4000
     ip pim-sparse enable
 interface vlan 533
-    description to ring 3
+    description ring3_sh-b
     ip address 10.254.233.41/24
     ip ospf 1 area 0.0.0.0
     no ip ospf passive
+    ip ospf cost 2000
     ip pim-sparse enable
 snmp-server vrf default
 snmp-server system-description bova-A8360-sw2