From 0cc4f57fc03ef4ec581b80d78ea66d4234798897 Mon Sep 17 00:00:00 2001
From: Oleg Hahm <oleg@hobbykeller.org>
Date: Thu, 24 Sep 2015 00:00:42 +0200
Subject: [PATCH] 6lowpan: do not send NAs for new MC addresses
---
sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c b/sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c
index 82d0cfa8e4..cabd1f1b47 100644
--- a/sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c
+++ b/sys/net/gnrc/network_layer/ipv6/netif/gnrc_ipv6_netif.c
@@ -88,7 +88,8 @@ static ipv6_addr_t *_add_addr_to_entry(gnrc_ipv6_netif_t *entry, const ipv6_addr
tmp_addr->flags = flags;
#ifdef MODULE_GNRC_SIXLOWPAN_ND
- if (entry->flags & GNRC_IPV6_NETIF_FLAGS_SIXLOWPAN) {
+ if (!ipv6_addr_is_multicast(&(tmp_addr->addr)) &&
+ (entry->flags & GNRC_IPV6_NETIF_FLAGS_SIXLOWPAN)) {
ipv6_addr_t *router = gnrc_ndp_internal_default_router();
if (router != NULL) {
tmp_addr->flags |= GNRC_IPV6_NETIF_ADDR_FLAGS_TENTATIVE;
--
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