From 9c8aab3e0b1fd7ccd2dc7ad60cabcda3ca72d0a2 Mon Sep 17 00:00:00 2001
From: SUZUKI Shinsuke <suz@FreeBSD.org>
Date: Fri, 21 Oct 2005 15:59:00 +0000
Subject: [PATCH] perform NUD on an IPv6-aware point-to-point interface

Obtained from: KAME
MFC after: 1 week
---
 sys/netinet6/nd6.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c
index eaa3319df13..8331ea1ca84 100644
--- a/sys/netinet6/nd6.c
+++ b/sys/netinet6/nd6.c
@@ -2034,6 +2034,8 @@ nd6_need_cache(ifp)
 	case IFT_CARP:
 #endif
 	case IFT_GIF:		/* XXX need more cases? */
+	case IFT_PPP:
+	case IFT_TUNNEL:
 	case IFT_BRIDGE:
 		return (1);
 	default: