data/templates/pppoe/ip-down.script.tmpl


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#!/bin/sh

# As PPPoE is an "on demand" interface we need to re-configure it when it
# becomes up
if [ "$6" != "{{ ifname }}" ]; then
    exit
fi

# add some info to syslog
DIALER_PID=$(cat /var/run/{{ ifname }}.pid)
logger -t pppd[$DIALER_PID] "executing $0"

{% if connect_on_demand is not defined %}
# See https://vyos.dev/T2248. Determine if we are enslaved to a
# VRF, this is needed to properly insert the default route.
VRF_NAME=""
if [ -d /sys/class/net/{{ ifname }}/upper_* ]; then
    # Determine upper (VRF) interface
    VRF=$(basename $(ls -d /sys/class/net/{{ ifname }}/upper_*))
    # Remove upper_ prefix from result string
    VRF=${VRF#"upper_"}
    # Populate variable to run in VR context
    VRF_NAME="vrf ${VRF_NAME}"
fi

{%   if default_route != 'none' %}
# Always delete default route when interface goes down if we installed it
vtysh -c "conf t" ${VRF_NAME} -c "no ip route 0.0.0.0/0 {{ ifname }} ${VRF_NAME}"
{%      if ipv6 is defined and ipv6.address is defined and ipv6.address.autoconf is defined %}
vtysh -c "conf t" ${VRF_NAME} -c "no ipv6 route ::/0 {{ ifname }} ${VRF_NAME}"
{%      endif %}
{%   endif %}
{% endif %}

{% if dhcpv6_options is defined and dhcpv6_options.pd is defined %}
# Stop wide dhcpv6 client without blocking (by default the ip-down script can only run up to 5 seconds)
systemctl stop --no-block dhcp6c@{{ ifname }}.service
{% endif %}