1 files changed, 9 insertions, 0 deletions
diff --git a/src/or/networkstatus.c b/src/or/networkstatus.c
index 3ac7b805a0..9bb5546d97 100644
--- a/src/or/networkstatus.c
+++ b/src/or/networkstatus.c
@@ -1981,6 +1981,15 @@ routers_update_status_from_consensus_networkstatus(smartlist_t *routers,
       router->is_bad_directory = rs->is_bad_directory;
       router->is_bad_exit = rs->is_bad_exit;
       router->is_hs_dir = rs->is_hs_dir;
+    } else {
+      /* If we _are_ an authority, we should check whether this router
+       * is one that will cause us to need a reachability test. */
+      routerinfo_t *old_router =
+        router_get_by_digest(router->cache_info.identity_digest);
+      if (old_router != router) {
+        router->needs_retest_if_added =
+          dirserv_should_launch_reachability_test(router, old_router);
+      }
     }
     if (router->is_running && ds) {
       download_status_reset(&ds->v2_ns_dl_status);