diff --git a/roles/router/templates/keepalived.conf b/roles/router/templates/keepalived.conf
index 875c132..a07ec07 100644
--- a/roles/router/templates/keepalived.conf
+++ b/roles/router/templates/keepalived.conf
@@ -60,5 +60,9 @@ vrrp_instance VI_ROUT_{{ apartment_block }} {
   virtual_routes {
         # 10.129.0.1 is Yggdrasil
         src 10.129.{{ apartment_block_id }}.254 to 0.0.0.0/0 via 10.129.0.1 dev ens19
+
+        # For IPv6, the master router is routeur-aurore, NOT yggdrasil,
+        # because yggdrasil doesn't support BGPv6 announcements.
+        src {{ ipv6_base_prefix }}:129::{{ apartment_block_id }}:254 to ::/0 via {{ ipv6_base_prefix }}:129::0:1 dev ens19
   }
 }