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Diffstat (limited to 'doc/trex_book.asciidoc')
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1 files changed, 21 insertions, 0 deletions
diff --git a/doc/trex_book.asciidoc b/doc/trex_book.asciidoc index e00b5064..49e0ce15 100755 --- a/doc/trex_book.asciidoc +++ b/doc/trex_book.asciidoc @@ -2783,6 +2783,27 @@ There is a task to automate the production of thess reports * Before running TRex make sure the commands `ibv_devinfo` and `ibdev2netdev` present the NICS * `ifconfig` should work too, you need to be able to ping from those ports * run TRex server with '-v 7' for example `$sudo ./t-rex-64 -i -v 7` +* In case the link_layer is not set to *Ethernet* you should run this command + +[source,bash] +---- +$sudo mlxconfig -d /dev/mst/mt4115_pciconf0 set LINK_TYPE_P1=2 LINK_TYPE_P2=2 +$sudo mlxconfig -d /dev/mst/mt4115_pciconf1 set LINK_TYPE_P1=2 LINK_TYPE_P2=2 +---- + +see link:https://community.mellanox.com/docs/DOC-2294[ConnectX-4 getting Started] + +* It is possible to change the link speed (e.g. 50Gb/40Gb/25Gb) see link:https://community.mellanox.com/docs/DOC-2334[change speed] + +for example to change to 50Gb speed + +[source,bash] +---- +$sudo ethtool -s enp135s0f1 speed 50000 autoneg off +---- + + + ==== Limitations/Issues |