Disable PMTUDiscovery in switch and hub modes.
[oweals/tinc.git] / src / protocol_auth.c
index af8efd1..5e45360 100644 (file)
@@ -483,7 +483,7 @@ bool send_ack(connection_t *c)
        if((get_config_bool(lookup_config(c->config_tree, "TCPOnly"), &choice) && choice) || myself->options & OPTION_TCPONLY)
                c->options |= OPTION_TCPONLY | OPTION_INDIRECT;
 
-       if((!get_config_bool(lookup_config(c->config_tree, "PMTUDiscovery"), &choice) || choice) && (myself->options & OPTION_PMTU_DISCOVERY))
+       if(myself->options & OPTION_PMTU_DISCOVERY)
                c->options |= OPTION_PMTU_DISCOVERY;
 
        get_config_int(lookup_config(c->config_tree, "Weight"), &c->estimated_weight);
@@ -561,6 +561,10 @@ bool ack_h(connection_t *c)
 
        n->connection = c;
        c->node = n;
+       if(!(c->options & options & OPTION_PMTU_DISCOVERY)) {
+               c->options &= ~OPTION_PMTU_DISCOVERY;
+               options &= ~OPTION_PMTU_DISCOVERY;
+       }
        c->options |= options;
 
        if(get_config_int(lookup_config(c->config_tree, "PMTU"), &mtu) && mtu < n->mtu)