diff --git a/geant/gap_ansible/roles/iptrunk/templates/nokia/trunk_interface.j2 b/geant/gap_ansible/roles/iptrunk/templates/nokia/trunk_interface.j2
index e3e48bb3536bda4687563a95167f4743b6c5157c..20ee86dc1a32619f16148f621d21f87d0efec9ce 100644
--- a/geant/gap_ansible/roles/iptrunk/templates/nokia/trunk_interface.j2
+++ b/geant/gap_ansible/roles/iptrunk/templates/nokia/trunk_interface.j2
@@ -27,7 +27,7 @@
           <description>PHY INFRASTRUCTURE BACKBONE P_{{ local.ae_name }} | {{ trunk_direction_name_sorted[0] }}-{{ trunk_direction_name_sorted[1] }} | {{ member.interface_description }}</description>
           <ethernet>
               <mode>network</mode>
-              <mtu>9212</mtu>
+              <mtu>{{ mtu_phy }}</mtu>
               <lldp>
                   <dest-mac>
                       <mac-type>nearest-bridge</mac-type>
@@ -82,7 +82,7 @@
               <interface-name>{{ local.ae_name | lower }}.0</interface-name>
               <admin-state>enable</admin-state>
               <description>SRV_GLOBAL INFRASTRUCTURE BACKBONE #{{ trunk_direction_name_sorted[0] }}-{{ trunk_direction_name_sorted[1] }}-IPTRUNK ${{ trunk.id }}| {{ trunk_direction_name_sorted[0] }}-{{ trunk_direction_name_sorted[1] }} | {{ common.description }}</description>
-              <ip-mtu>9000</ip-mtu>
+              <ip-mtu>{{ mtu_ip }}</ip-mtu>
               <port>{{ local.ae_name | lower }}</port>
               <ipv4>
                   <primary>
diff --git a/geant/gap_ansible/roles/iptrunk/vars/main.yml b/geant/gap_ansible/roles/iptrunk/vars/main.yml
index cf4cf92d7db08bc847af880b478a2fbd49790e55..1099c80846b86b81a57e01e6868e4f82148e8042 100644
--- a/geant/gap_ansible/roles/iptrunk/vars/main.yml
+++ b/geant/gap_ansible/roles/iptrunk/vars/main.yml
@@ -28,6 +28,8 @@ side_b_ipv4_address: "{{ wfo_trunk.iptrunk.iptrunk_ipv4_network | ansible.utils.
 side_b_ipv6_address: "{{ wfo_trunk.iptrunk.iptrunk_ipv6_network | ansible.utils.ipaddr('net') | ansible.utils.ipaddr('2') | ansible.utils.ipaddr('address') }}/126"
 
 bfd_min_interval: 3000
+mtu_phy: 9212
+mtu_ip: 9000
 
 trunks:
   - id: "{{ wfo_trunk.iptrunk.geant_s_sid }}"