@@ -14,7 +14,9 @@ import (

 	"github.com/openshift/origin/pkg/cmd/server/kubernetes"

 	kerrors "k8s.io/kubernetes/pkg/api/errors"

 	kcmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"

+	"k8s.io/kubernetes/pkg/util/sysctl"

+	osdn "github.com/openshift/openshift-sdn/plugins/osdn/ovs"

 	"github.com/openshift/origin/pkg/cmd/server/admin"

 	configapi "github.com/openshift/origin/pkg/cmd/server/api"

 	configapilatest "github.com/openshift/origin/pkg/cmd/server/api/latest"

@@ -263,5 +265,15 @@ func StartNode(nodeConfig configapi.NodeConfig) error {

 	config.RunSDN()

 	config.RunProxy()

+	// HACK: RunProxy resets bridge-nf-call-iptables from what openshift-sdn requires

+	if config.SDNPlugin != nil {

+		sdnPluginName := nodeConfig.NetworkConfig.NetworkPluginName

+		if sdnPluginName == osdn.SingleTenantPluginName() || sdnPluginName == osdn.MultiTenantPluginName() {

+			if err := sysctl.SetSysctl("net/bridge/bridge-nf-call-iptables", 0); err != nil {

+				glog.Warningf("Could not set net.bridge.bridge-nf-call-iptables sysctl: %s", err)

+			}

+		}

+	}

+

 	return nil

 }