Tweaks to trunk port setup

Change-Id: Ie02a06cae11f0000e78ab0fded587f2f64d7f60f
diff --git a/drivers/NetgearXSM.py b/drivers/NetgearXSM.py
index bb573bd..db427b9 100644
--- a/drivers/NetgearXSM.py
+++ b/drivers/NetgearXSM.py
@@ -238,13 +238,13 @@
         try:
             if mode == "trunk":
                 # We define a trunk port thus:
-                #   accept only VLAN-tagged frames on ingress
+                #   accept all frames on ingress
                 #   exist on all current VLANs
                 #   tag outgoing frames
                 #   PVID should match the default VLAN (1).
                 self._configure()
                 self._cli("interface %s" % port)
-                self._cli("vlan acceptframe vlanonly")
+                self._cli("vlan acceptframe all")
                 self._cli("no vlan ingressfilter")
                 self._cli("vlan tagging 1-4093")
                 self._cli("vlan pvid 1")