!
{% 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 -%}
!