X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Ftestpmd_app_ug%2Ftestpmd_funcs.rst;h=f1fa523345298ac019026e630249cf3ed887536a;hb=92ebda07ee58cf6966305ba03b50b81debfb2d98;hp=761172ec3441273238e2cde37ca42db667b39c3b;hpb=4fa5e9f59bd2b41b0e1b04334c5a9abbfc205506;p=dpdk.git

diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index 761172ec34..f1fa523345 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -503,9 +503,19 @@ rx_vxlan_port rm (udp_port) (port_id)
 tx_vlan set
 ~~~~~~~~~~~
 
-Set hardware insertion of VLAN ID in packets sent on a port:
+Set hardware insertion of VLAN IDs in packets sent on a port:
 
-tx_vlan set (vlan_id) (port_id)
+tx_vlan set (port_id) vlan_id[, vlan_id_outer]
+
+.. code-block:: console
+
+    Set a single VLAN ID (5) insertion on port 0.
+
+    tx_vlan set 0 5
+
+    Set double VLAN ID (inner: 2, outer: 3) insertion on port 1.
+
+    tx_vlan set 1 2 3
 
 tx_vlan set pvid
 ~~~~~~~~~~~~~~~~