diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/testing/user/configguide/trafficgen.rst | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/docs/testing/user/configguide/trafficgen.rst b/docs/testing/user/configguide/trafficgen.rst index 597f566b..4b9eec6e 100644 --- a/docs/testing/user/configguide/trafficgen.rst +++ b/docs/testing/user/configguide/trafficgen.rst @@ -826,14 +826,17 @@ Default value of this parameter is defined in conf/03_traffic.conf as follows: TRAFFICGEN_TREX_RFC2544_TPUT_THRESHOLD = '' -SR-IOV -~~~~~~ +SR-IOV and Multistream layer 2 +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ T-Rex by default only accepts packets on the receive side if the destination mac matches the MAC address specified in the /etc/trex-cfg.yaml on the server side. For SR-IOV this creates challenges with modifying the MAC address in the traffic profile to correctly flow packets through specified VFs. To remove this limitation enable promiscuous mode on T-Rex to allow all packets regardless of the destination mac to be accepted. +This also creates problems when doing multistream at layer 2 since the source macs will be +modified. Enable Promiscuous mode when doing multistream at layer 2 testing with T-Rex. + .. code-block:: console TRAFFICGEN_TREX_PROMISCUOUS=True |