+port config mtu
+~~~~~~~~~~~~~~~
+
+To configure MTU(Maximum Transmission Unit) on devices using testpmd::
+
+ testpmd> port config mtu (port_id) (value)
+
+port config rss hash key
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+To configure the RSS hash key used to compute the RSS
+hash of input [IP] packets received on port::
+
+ testpmd> port config <port_id> rss-hash-key (ipv4|ipv4-frag|\
+ ipv4-tcp|ipv4-udp|ipv4-sctp|ipv4-other|\
+ ipv6|ipv6-frag|ipv6-tcp|ipv6-udp|ipv6-sctp|\
+ ipv6-other|l2-payload|ipv6-ex|ipv6-tcp-ex|\
+ ipv6-udp-ex <string of hex digits \
+ (variable length, NIC dependent)>)
+