Merge "Restore flood flag on subnet route with ecmp nh." into R3.2

Juniper · Oct 25, 2016 · b786a45 · b786a45
2 parents cc8a0b9 + 5555192
commit b786a45
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/vnsw/agent/vrouter/ksync/route_ksync.cc b/src/vnsw/agent/vrouter/ksync/route_ksync.cc
@@ -272,6 +272,16 @@ bool RouteKSyncEntry::BuildArpFlags(const DBEntry *e, const AgentPath *path,
         // ECMP flows have composite NH. We want to do routing for ECMP flows
         // So, set proxy_arp flag
         proxy_arp = true;
+
+        // There is an exception for ECMP routes
+        // The subnet route configured on a VN can potentially be exported by
+        // gateway route also. If gateway are redundant, then the subnet route
+        // can be an ECMP route.
+        if (rt->ipam_subnet_route())
+        {
+            proxy_arp = false;
+            flood = true;
+        }
         break;
 
     default: