diff --git a/toci-quickstart/config/testenv/multinode-rdocloud.yml b/toci-quickstart/config/testenv/multinode-rdocloud.yml
index 716ba2504..67f4d2fa5 100644
--- a/toci-quickstart/config/testenv/multinode-rdocloud.yml
+++ b/toci-quickstart/config/testenv/multinode-rdocloud.yml
@@ -19,6 +19,10 @@ toci_vxlan_networking_multinode: true
 vxlan_mtu: 1350
 hostname_correction: true # workaround restriction on toci images
 
+mtu: "{{ vxlan_mtu }}"
+undercloud_local_mtu: "{{ mtu }}"
+overcloud_neutron_global_physnet_mtu: "{{ mtu }}"
+
 ceph_use_fqdn: true
 
 # environment settings, not TRIPLEO-CI specific
@@ -47,4 +51,4 @@ ara_graphite_prefix: "test.tripleo.{{ lookup('env', 'STABLE_RELEASE')|default('m
 ara_graphite_server: 66.187.229.172
 
 #build-test packages
-artg_repos_dir: "{{ tripleo_root }}"
\ No newline at end of file
+artg_repos_dir: "{{ tripleo_root }}"
diff --git a/toci-quickstart/config/testenv/multinode.yml b/toci-quickstart/config/testenv/multinode.yml
index 1c28091b0..7c6487ce2 100644
--- a/toci-quickstart/config/testenv/multinode.yml
+++ b/toci-quickstart/config/testenv/multinode.yml
@@ -14,6 +14,11 @@ dlrn_use_local_mirrors: true
 vxlan_networking: true
 hostname_correction: true # workaround restriction on toci images
 
+vxlan_mtu: 1350
+mtu: "{{ vxlan_mtu }}"
+undercloud_local_mtu: "{{ mtu }}"
+overcloud_neutron_global_physnet_mtu: "{{ mtu }}"
+
 # environment settings, not TRIPLEO-CI specific
 undercloud_local_interface: "br-ex" # related to osinfra network configuration
 flavor_args: ""
diff --git a/toci-quickstart/config/testenv/ovb.yml b/toci-quickstart/config/testenv/ovb.yml
index da745bb81..c6b7909ef 100644
--- a/toci-quickstart/config/testenv/ovb.yml
+++ b/toci-quickstart/config/testenv/ovb.yml
@@ -57,8 +57,8 @@ host_network_interfaces:
   - eth1
   - "{% if network_isolation|default(true)|bool %}eth2{% endif %}"
 mtu_interface: "{{ host_network_interfaces|select()|list }}"
-undercloud_local_mtu: 1350
-overcloud_neutron_global_physnet_mtu: 1350
+undercloud_local_mtu: "{{ mtu }}"
+overcloud_neutron_global_physnet_mtu: "{{ mtu }}"
 floating_ip_cidr: >-
   {%- if network_isolation|default(true)|bool %}10.0.0.0/24
   {%- else %}192.168.24.0/24