diff --git a/playbooks/inventory/group_vars/all b/playbooks/inventory/group_vars/all
index 42d2b7011..e39a0c406 100644
--- a/playbooks/inventory/group_vars/all
+++ b/playbooks/inventory/group_vars/all
@@ -33,6 +33,7 @@ node_default_network_interface: eth0
 ipv4_subnet_mask: 255.255.255.0
 ipv4_gateway: 192.168.1.1
 ipv4_nameserver: 8.8.8.8
+network_mtu: 1500
 dhcp_pool_start: 192.168.1.200
 dhcp_pool_end: 192.168.1.250
 # ipmi_bridging: Default undefined.  Valid values: "no", "single", and "dual"
diff --git a/playbooks/roles/bifrost-configdrives-dynamic/templates/network_info.json.j2 b/playbooks/roles/bifrost-configdrives-dynamic/templates/network_info.json.j2
index a6e9f0b1f..6922ff47f 100644
--- a/playbooks/roles/bifrost-configdrives-dynamic/templates/network_info.json.j2
+++ b/playbooks/roles/bifrost-configdrives-dynamic/templates/network_info.json.j2
@@ -10,7 +10,7 @@ with the information that we have available to us in nics.
 {% for nic in nics %}
     {%- if loop.first %}        "ethernet_mac_address": "{{ nic.mac }}",{% endif %}
 {% endfor %}
-        "mtu":1500
+        "mtu":{{network_mtu}}
     }
 ],
 "networks": [
diff --git a/playbooks/roles/bifrost-configdrives/templates/network_info.json.j2 b/playbooks/roles/bifrost-configdrives/templates/network_info.json.j2
index be118a64d..e0d4e759c 100644
--- a/playbooks/roles/bifrost-configdrives/templates/network_info.json.j2
+++ b/playbooks/roles/bifrost-configdrives/templates/network_info.json.j2
@@ -4,7 +4,7 @@
         "id": "{{node_default_network_interface}}",
         "type": "phy",
         "ethernet_mac_address": "{{item.split(',')[0]}}",
-        "mtu":1500
+        "mtu":{{network_mtu}}
     }
 ],
 "networks": [