diff --git a/src/dhcp6.c b/src/dhcp6.c
index 0853664..3af747d 100644
--- a/src/dhcp6.c
+++ b/src/dhcp6.c
@@ -647,6 +647,13 @@ static int construct_worker(struct in6_addr *local, int prefix,
 	    is_same_net6(local, &template->start6, template->prefix) &&
 	    is_same_net6(local, &template->end6, template->prefix))
 	  {
+	    /* First time found, do fast RA. */
+	    if (template->if_index != if_index || !IN6_ARE_ADDR_EQUAL(&template->local6, local))
+	      {
+		ra_start_unsolicited(param->now, template);
+		param->newone = 1;
+	      }
+	    
 	    template->if_index = if_index;
 	    template->local6 = *local;
 	  }