diff --git a/xos/cord/models.py b/xos/cord/models.py
index 7977f22..ca010cb 100644
--- a/xos/cord/models.py
+++ b/xos/cord/models.py
@@ -225,7 +225,8 @@
                        "lan_ip",
                        "wan_ip",
                        "private_ip",
-                       "hpc_client_ip")
+                       "hpc_client_ip",
+                       "wan_mac")
 
     default_attributes = {"firewall_enable": False,
                           "firewall_rules": "accept all anywhere anywhere",
@@ -493,6 +494,18 @@
         return self.addresses.get("wan",None)
 
     @property
+    def wan_mac(self):
+        ip = self.wan_ip
+        if not ip:
+           return None
+        try:
+           (a,b,c,d) = ip.split('.')
+           wan_mac = "02:42:%2x:%2x:%2x:%2x" % (int(a), int(b), int(c), int(d))
+        except:
+           wan_mac = "Exception"
+        return wan_mac
+
+    @property
     def private_ip(self):
         return self.addresses.get("private",None)
 
diff --git a/xos/observers/vcpe/steps/sync_vcpetenant.yaml b/xos/observers/vcpe/steps/sync_vcpetenant.yaml
index 6decb95..3593020 100644
--- a/xos/observers/vcpe/steps/sync_vcpetenant.yaml
+++ b/xos/observers/vcpe/steps/sync_vcpetenant.yaml
@@ -25,6 +25,7 @@
       wan_ip: {{ wan_ip }}
       private_ip: {{ private_ip }}
       hpc_client_ip: {{ hpc_client_ip }}
+      wan_mac: {{ wan_mac }}
 
   tasks:
   - name: Docker repository