diff --git a/inventory/group_vars/all b/inventory/group_vars/all
index b926b5b..b9f0f04 100644
--- a/inventory/group_vars/all
+++ b/inventory/group_vars/all
@@ -70,8 +70,8 @@ meshes:
       hop_penalty: 60
     radvd:
       maxrtradvinterval: 900
-      advvalidlifetime: 864000
-      advpreferredlifetime: 172800
+      advvalidlifetime: 86400
+      advpreferredlifetime: 14400
     iface_mtu: 1350
     fastd:
       nodes: