assured correct supernode MAC address properties (#888)

3 years ago · 81bd79a82a
1 changed files with 7 additions and 1 deletions
--- a/src/supernode.c
+++ b/src/supernode.c
@ -290,7 +290,13 @@ static int setOption (int optkey, char *_optarg, n2n_sn_t *sss) {
        }
 #ifdef SN_MANUAL_MAC
        case 'm': {/* MAC address */
-            str2mac(sss->mac_addr,_optarg);
+            str2mac(sss->mac_addr, _optarg);
+
+            // clear multicast bit
+            sss->mac_addr[0] &= ~0x01;
+            // set locally-assigned bit
+            sss->mac_addr[0] |= 0x02;
+
            break;
        }
 #endif