!
{% for route_gr in old_mroute %}
{% for nh in old_mroute[route_gr] %}
{% if old_mroute[route_gr][nh] %}
no ip mroute {{ route_gr }} {{ nh }} {{ old_mroute[route_gr][nh] }}
{% else %}
no ip mroute {{ route_gr }} {{ nh }}
{% endif %}
{% endfor %}
{% endfor %}
{% for route_gr in mroute %}
{% for nh in mroute[route_gr] %}
{% if mroute[route_gr][nh] %}
ip mroute {{ route_gr }} {{ nh }} {{ mroute[route_gr][nh] }}
{% else %}
ip mroute {{ route_gr }} {{ nh }}
{% endif %}
{% endfor %}
{% endfor %}
!