{# Append DHCPv6 agents #}
{% if VLAN and vlan_name in VLAN and 'dhcpv6_servers' in VLAN[vlan_name] and VLAN[vlan_name]['dhcpv6_servers']|length > 0 %}
{% for dhcpv6_server in VLAN[vlan_name]['dhcpv6_servers'] %}
{% if dhcpv6_server | ipv6 %}
{% set _dummy = relay_for_ipv6.update({'flag': True}) %}
{% endif %}
{% endfor %}
{% if relay_for_ipv6.flag %}
{% set _dummy = relay_for_ipv6.update({'flag': False}) %}
[program:isc-dhcpv6-relay-{{ vlan_name }}]
{# We treat this VLAN as a downstream interface (-l), as we only want to listen for requests #}
command=/usr/sbin/dhcrelay -d -6 --name-alias-map-file /tmp/port-name-alias-map.txt -l {{ vlan_name }}
{#- We treat all other interfaces as upstream interfaces (-u), as we only want to listen for replies #}
{%- for dhcpv6_server in VLAN[vlan_name]['dhcpv6_servers'] %}
{%- if dhcpv6_server | ipv6 %}
{%- for (name, prefix) in VLAN_INTERFACE|pfx_filter %}
{%- if prefix | ipv6 and name != vlan_name %} -u {{ dhcpv6_server }}%%{{ name }} {% endif -%}
{% endfor %}
{% for (name, prefix) in INTERFACE|pfx_filter %}
{% if prefix | ipv6 %} -u {{ dhcpv6_server }}%%{{ name }} {% endif -%}
{% endfor %}
{% for (name, prefix) in PORTCHANNEL_INTERFACE|pfx_filter %}
{% if prefix | ipv6 %} -u {{ dhcpv6_server }}%%{{ name }} {% endif -%}
{% endfor %}
{% endif -%}
{% endfor %}

priority=3
autostart=false
autorestart=false
stdout_logfile=syslog
stderr_logfile=syslog
dependent_startup=true
dependent_startup_wait_for=start:exited

{% endif %}
{% endif %}