From 8285902d3f4eab7038d086df9284eb3d538c693c Mon Sep 17 00:00:00 2001 From: initramfs Date: Fri, 26 Aug 2022 09:17:06 +0800 Subject: pppoe: T4648: stop default route from being installed under IPv6 Adds a sysctl parameter to ignore the default router obtained from router advertisements when pppoe default-route is set to 'none'. --- data/templates/pppoe/ipv6-up.script.tmpl | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/data/templates/pppoe/ipv6-up.script.tmpl b/data/templates/pppoe/ipv6-up.script.tmpl index 7e1bc33b4..238f8c28e 100644 --- a/data/templates/pppoe/ipv6-up.script.tmpl +++ b/data/templates/pppoe/ipv6-up.script.tmpl @@ -36,6 +36,14 @@ echo 1 > /proc/sys/net/ipv6/conf/{{ ifname }}/forwarding # echo 2 > /proc/sys/net/ipv6/conf/{{ ifname }}/accept_ra +{% if default_route == 'none' %} +# Prevent learning of default router from router advertisements +echo 0 > /proc/sys/net/ipv6/conf/{{ ifname }}/accept_ra_defrtr +{% else %} +# Enable learning of default router from router advertisements +echo 1 > /proc/sys/net/ipv6/conf/{{ ifname }}/accept_ra_defrtr +{% endif %} + # Autoconfigure addresses using Prefix Information in Router Advertisements. echo 1 > /proc/sys/net/ipv6/conf/{{ ifname }}/autoconf {% endif %} -- cgit v1.2.3