iptrunk_migration Nokia and Juniper templates update

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• BFD
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geant/gap_ansible/roles/iptrunk_migration/templates/juniper/trunk_interface.j2

     {##}
     {# I need to sort the source and the destination alfabetically #}
-    {% set trunk_direction_name = [ wfo_trunk.iptrunk.iptrunk_sides[0].iptrunk_side_node.router_fqdn.split(".")[1], wfo_trunk.iptrunk.iptrunk_sides[1].iptrunk_side_node.router_fqdn.split(".")[1] ] %}
-    {% set trunk_direction_name_sorted = trunk_direction_name|sort %}
+{% set trunk_direction_name = [ new_node.router.router_fqdn.split(".")[1] | upper, remaining_side.name.split(".")[1] | upper ] %}
+{% set trunk_direction_name_sorted = trunk_direction_name|sort %}
     {##}
 {% if new_side is defined  %}
     interfaces {
@@ -9,8 +9,18 @@
             description "LAG INFRASTRUCTURE BACKBONE ${{ new_side.port_sid }} | {{ trunk_direction_name_sorted[0] }}-{{ trunk_direction_name_sorted[1] }}";
             mtu 9192;
             aggregated-ether-options {
-                minimum-links {{new_side.minimum_links}};
-                {#link-speed {{common.link_speed}};#}
+              {% if new_side.trunk_type != "Dark_fiber" %}
+                bfd-liveness-detection {
+                    minimum-interval {{ bfd_min_interval }};
+                    neighbor {{ remaining_side['loopback'] }};
+                    local-address {{ new_node.router.router_lo_ipv4_address }};
+                }
+              {% endif %}
+              {% if (new_side.minimum_links | int) > 0 %}
+                minimum-links {{ new_side.minimum_links }};
+              {% endif %}
+                minimum-links {{ new_side.minimum_links }};
+                {#link-speed {{new_side.link_speed}};#}
                 lacp {
                     active;
                     periodic fast;