--- pimd-2.1.0-alpha29.19/config.c.orig	Fri Dec  6 07:47:15 2002
+++ pimd-2.1.0-alpha29.19/config.c	Fri Aug 19 03:14:02 2005
@@ -135,13 +135,16 @@
 	bcopy(ifrp->ifr_name, ifr.ifr_name, sizeof(ifr.ifr_name));
 	
 	/*
-	 * Ignore loopback interfaces and interfaces that do not
-	 * support multicast.
+	 * Ignore loopback interfaces.
+	 * Note that IFF_MULTICAST indicates that the device handles
+	 * multicast packets in a special way (e.g. special MAC address)
+	 * and not the sole capability. All interfaces except
+	 * IFF_LOOPBACK ones are multicast capable.
 	 */
 	if (ioctl(udp_socket, SIOCGIFFLAGS, (char *)&ifr) < 0)
 	    log(LOG_ERR, errno, "ioctl SIOCGIFFLAGS for %s", ifr.ifr_name);
 	flags = ifr.ifr_flags;
-	if ((flags & (IFF_LOOPBACK | IFF_MULTICAST)) != IFF_MULTICAST)
+	if (flags & (IFF_LOOPBACK))
 	    continue;
 	
 	/*