D30374.diff
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D30374.diff
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	diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c
	--- a/sys/netinet/ip_input.c
	+++ b/sys/netinet/ip_input.c
	@@ -740,7 +740,10 @@
	}
	if (IN_MULTICAST(ntohl(ip->ip_dst.s_addr))) {
	MROUTER_RLOCK();
	- /* Do not forward packets from IN_LINKLOCAL. */
	+ /*
	+ * RFC 3927 2.7: Do not forward multicast packets from
	+ * IN_LINKLOCAL.
	+ */
	if (V_ip_mrouter && !IN_LINKLOCAL(ntohl(ip->ip_src.s_addr))) {
	/*
	* If we are acting as a multicast router, all
	@@ -780,7 +783,7 @@
	goto ours;
	if (ip->ip_dst.s_addr == INADDR_ANY)
	goto ours;
	- /* Do not forward packets to or from IN_LINKLOCAL. */
	+ /* RFC 3927 2.7: Do not forward packets to or from IN_LINKLOCAL. */
	if (IN_LINKLOCAL(ntohl(ip->ip_dst.s_addr)) \|\|
	IN_LINKLOCAL(ntohl(ip->ip_src.s_addr))) {
	IPSTAT_INC(ips_cantforward);