Refactor network role

Remove static IPv6 support from network role — all hosts use SLAAC
(method=auto). Simplifies NM templates, argument_specs, and resolved.conf.
gateway sysctl accept_ra=2 is now unconditional when gateway_enabled.

Co-authored-by: Claude.ai

1 files changed, 1 insertions, 3 deletions

diff --git a/roles/gateway/templates/99-gateway.conf.j2 b/roles/gateway/templates/99-gateway.conf.j2
index 54f81f0c..b0f99dd4 100644
--- a/roles/gateway/templates/99-gateway.conf.j2
+++ b/roles/gateway/templates/99-gateway.conf.j2
@@ -1,10 +1,8 @@
 {% if gateway_enabled %}
 net.ipv4.ip_forward=1
 net.ipv6.conf.all.forwarding=1
+net.ipv6.conf.{{ gateway_router_interface }}.accept_ra=2
 {% else %}
 net.ipv4.ip_forward=0
 net.ipv6.conf.all.forwarding=0
 {% endif %}
-{% if network_ipv6_address is defined %}
-net.ipv6.conf.{{ gateway_router_interface }}.accept_ra={{ 2 if gateway_enabled else 1 }}
-{% endif %}