According with rfc4541 section 2.1.1,
a snooping switch should forward membership reports
only to ports with routers attached.
The current code violates the RFC forwarding membership
reports to group ports as well.
The same issue doesn't exist with IPv4.
Fixes: 06994f879c ("mcast-snooping: Add Multicast Listener Discovery support")
Signed-off-by: XiaoXiong Ding <[email protected]>
---
ofproto/ofproto-dpif-xlate.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/ofproto/ofproto-dpif-xlate.c b/ofproto/ofproto-dpif-xlate.c index
e0ede2cab..47571e790 100644
--- a/ofproto/ofproto-dpif-xlate.c
+++ b/ofproto/ofproto-dpif-xlate.c
@@ -3100,6 +3100,7 @@ xlate_normal(struct xlate_ctx *ctx)
xlate_report(ctx, OFT_DETAIL, "MLD query, flooding");
xlate_normal_flood(ctx, in_xbundle, &xvlan);
}
+ return;
} else {
if (is_ip_local_multicast(flow, wc)) {
/* RFC4541: section 2.1.2, item 2: Packets with a dst IP
--
2.14.1.windows.1
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