X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fgraph.c;h=d40087d8dc1c65f680c9f55b403f52c3acfc110f;hb=a5750efefc491d77ff6a45f0ebc21976831eebfe;hp=9955ea41644721a208041de60860329158998e04;hpb=8d4ac42ceb67a93fc1e5c0d045819597c5da47d0;p=meshlink

diff --git a/src/graph.c b/src/graph.c
index 9955ea41..d40087d8 100644
--- a/src/graph.c
+++ b/src/graph.c
@@ -144,6 +144,23 @@ static void check_reachability(meshlink_handle_t *mesh) {
 			if(n->utcp) {
 				utcp_abort_all_connections(n->utcp);
 			}
+
+			if(n->status.visited == n->status.reachable) {
+				/* This session replaces the previous one without changing reachability status.
+				 * We still need to reset the UDP SPTPS state.
+				 */
+				n->status.validkey = false;
+				sptps_stop(&n->sptps);
+				n->status.waitingforkey = false;
+				n->last_req_key = 0;
+
+				n->status.udp_confirmed = false;
+				n->maxmtu = MTU;
+				n->minmtu = 0;
+				n->mtuprobes = 0;
+
+				timeout_del(&mesh->loop, &n->mtutimeout);
+			}
 		}
 
 		if(n->status.visited != n->status.reachable) {