diff options
| -rw-r--r-- | docs/testing/user/configguide/trafficgen.rst | 4 | ||||
| -rw-r--r-- | tools/pkt_gen/trex/trex.py | 11 |
2 files changed, 12 insertions, 3 deletions
diff --git a/docs/testing/user/configguide/trafficgen.rst b/docs/testing/user/configguide/trafficgen.rst index 029247f2..33824486 100644 --- a/docs/testing/user/configguide/trafficgen.rst +++ b/docs/testing/user/configguide/trafficgen.rst @@ -791,6 +791,10 @@ It is neccesary for proper connection between Trex server and VSPERF. cd trex-core/scripts/ ./t-rex-64 -i +**NOTE:** Please check your firewall settings at both DUT and T-Rex server. +Firewall must allow a connection from DUT (VSPERF) to the T-Rex server running +at TCP port 4501. + For additional information about Trex stateless mode see Trex stateless documentation: https://trex-tgn.cisco.com/trex/doc/trex_stateless.html diff --git a/tools/pkt_gen/trex/trex.py b/tools/pkt_gen/trex/trex.py index 5ce87b1d..cfe54b78 100644 --- a/tools/pkt_gen/trex/trex.py +++ b/tools/pkt_gen/trex/trex.py @@ -126,9 +126,14 @@ class Trex(ITrafficGenerator): 'T-Rex: Cannot locate Trex program at %s within %s' \ % (self._trex_host_ip_addr, self._trex_base_dir)) - self._stlclient = STLClient(username=self._trex_user, server=self._trex_host_ip_addr, - verbose_level=0) - self._stlclient.connect() + try: + self._stlclient = STLClient(username=self._trex_user, server=self._trex_host_ip_addr, + verbose_level=0) + self._stlclient.connect() + except STLError: + raise RuntimeError('T-Rex: Cannot connect to T-Rex server. Please check if it is ' + 'running and that firewall allows connection to TCP port 4501.') + self._logger.info("T-Rex: Trex host successfully found...") def disconnect(self): |