X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=doc%2Fguides%2Fnics%2Fpcap_ring.rst;h=c1ef9196bfa0ac17759b0a81338048a139b945ad;hb=ce44e50a5858241216fa1533b28a195c0f4a5fd2;hp=879e5430f8c1133447f182f9c67454d8fb0048c4;hpb=53bf48403409929d844e36e7a5e0eccb274cf8be;p=dpdk.git

diff --git a/doc/guides/nics/pcap_ring.rst b/doc/guides/nics/pcap_ring.rst
index 879e5430f8..c1ef9196bf 100644
--- a/doc/guides/nics/pcap_ring.rst
+++ b/doc/guides/nics/pcap_ring.rst
@@ -96,6 +96,16 @@ The different stream types are:
 
         iface=eth0
 
+Runtime Config Options
+^^^^^^^^^^^^^^^^^^^^^^
+
+- Use PCAP interface physical MAC
+
+ In case ``iface=`` configuration is set, user may want to use the selected interface's physical MAC
+ address. This can be done with a ``devarg`` ``phy_mac``, for example::
+
+   --vdev 'net_pcap0,iface=eth0,phy_mac=1'
+
 Examples of Usage
 ^^^^^^^^^^^^^^^^^