From 9f4abef9a3529b53f988197b6939fe4ff2982a35 Mon Sep 17 00:00:00 2001
From: Yaroslav Tykhiy <ytykhiy@gmail.com>
Date: Wed, 26 Oct 2005 05:57:35 +0000
Subject: [PATCH] Since carp(4) interfaces presently are kinda fake yet possess
 IP addresses, mark them with LOOPBACK so that routing daemons take them easy
 for link-state routing protocols.

Reviewed by:	glebius
---
 sys/netinet/ip_carp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/netinet/ip_carp.c b/sys/netinet/ip_carp.c
index 3aad1512806d..5fe4577e6801 100644
--- a/sys/netinet/ip_carp.c
+++ b/sys/netinet/ip_carp.c
@@ -380,7 +380,7 @@ carp_clone_create(struct if_clone *ifc, int unit)
 	ifp->if_softc = sc;
 	if_initname(ifp, CARP_IFNAME, unit);
 	ifp->if_mtu = ETHERMTU;
-	ifp->if_flags = 0;
+	ifp->if_flags = IFF_LOOPBACK;
 	ifp->if_ioctl = carp_ioctl;
 	ifp->if_output = carp_looutput;
 	ifp->if_start = carp_start;