TRex Packet Generator

AkosBakos — Tue, 04 Mar 2025 18:11:57 GMT

Hi Community,

I don't know who is familiar ot not with TRex, therefore I would like to share my experience.

Our task was to test a new Quantum Spark 2000 gateway. According to the datasheet it has pretty good performace parameters, so lets do it.

We were a little bit skeptical, and we wanted to know the truth. We were not disappointed.

@TRex:

I haven't use this tool before for testing, so I started (and ended :-)) as a beginner. Ipref was enough for me

I used this short syllabus for installing the tool: https://blog.hacksbrain.com/cisco-trex-packet-generator-step-by-step#heading-planning-the-trex-interfaces

And the nasty details:

First: I used a simple UBUNTU 24.04.2 LTS (latest te best) and TRex 3.06

And the first step I git this error

opt/trex/v3.06/./dpdk_setup_ports.py:64: SyntaxWarning: invalid escape sequence '\d'
_2hex_re = '[\da-fA-F]{2}'
/opt/trex/v3.06/./dpdk_setup_ports.py:513: SyntaxWarning: invalid escape sequence '\d'
ofed_ver_re = re.compile('.*[-](\d)(\d)?[.](\d)(\d)?[-].*')
/opt/trex/v3.06/./dpdk_setup_ports.py:865: SyntaxWarning: invalid escape sequence '\s'
ifname_re = re.compile('iface\s*=\s*([^\s,]+)')

This error belongs to, or came with the new Python 3.12:

https://stackoverflow.com/questions/77531208/python-3-12-syntaxwarning-invalid-escape-sequence-on-triple-quoted-string-d

Forget it.

Second I used a simple UBUNTU 22.04.5 (as the syllabus wrote) and TRex 3.06

The Python error disappeared, but a new arose, when I tried to execute the traffic generation:

"EAL: FATAL: Cannot get hugepage information."

https://github.com/cisco-system-traffic-generator/trex-core/commit/d7c4e407b926db6f26736a4db6932c691cfaf80a

This is a known issue and will fixed in the upcoming release, so you need to fix it manually.

This is my short story. I hope it was not boring.

Akos

Re: TRex Packet Generator

the_rock — Tue, 04 Mar 2025 18:21:21 GMT

Nice one buddy!

topic Re: TRex Packet Generator in Off Topic

TRex Packet Generator

Re: TRex Packet Generator