trex docker with dut

[david....@devalore.com]

Hi,

I'm interest to run trex in docker like https://trex-tgn.cisco.com/trex/doc/trex_vm_manual.html#docker.
Loop mode with veth0 and veth1 work,but at the moment, I didn't succeeded to make test to DUT with this docker image.
I try to config trex_cfg.yaml with dpdk_setup_ports.py, (this image contain one nic)
please let me know what configuration requirement are necessary.

Thanks,
David

[hanoh haim]

Hi David,

In our docker image there is a script that build veth0/1 and loopback them.

Could you send your trex_cfg.yaml after your changes?

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[david....@devalore.com]

- port_limit : 2
version : 2
low_end : true
interfaces : ["veth0", "veth1"] # list of the interfaces to bind run ./dpdk_nic_bind.py --status
port_info : # set eh mac addr

- ip : 1.1.1.1
default_gw : 2.2.2.2
- ip : 2.2.2.2
default_gw : 1.1.1.1

This is the trex_cfg.yaml file, is working in loop, but I didn't success to send packet to my host PC.
I create packet with ip destination of my host, and sent to simple listen UDP socket, and I didn't receive any packet.
(ping from docker to the host work)

[hanoh haim]

This is our default configuration file. It was designed to work like that for tutorials.

You should look into docker networking how to create a veth that is connected to the host through a Switch.

Thanks,

Hanoh

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[andyb...@googlemail.com]

Hi David, *,

...did you ever succeed in having a docker-setup using a dut in one container and run TRex in another container? If so - could you please share your findings :-) ?

Thanks,

Andreas

[Andreas Bourges]

Hi,

...just for the records - it's actually not a big problem to connect the two containers (used another base-image for TRex, though...), but works as expected. TRex Ports 0/1 connected to DUT Ports 0/1 and both have an additional mgmt network configured, where the actual client container is located, too.

Thanks,

Andreas

[Andres Ulloa]

Hi All,

I am not able install TREX with docker. I have getting the following
message: " ApplyLayer exit status 1 stdout: stderr: lchown
/var/trex/v2.36: invalid argument"


Anyone that has solve it?

docker pull trexcisco/trex:latest
latest: Pulling from trexcisco/trex
1e51505fc96b: Pull complete
4f4fb700ef54: Pull complete
d15406b20a40: Pull complete
7f09b5ac4d98: Pull complete
41b7e4d0bd88: Extracting
[==================================================>] 187.3MB/187.3MB
b97754ad857e: Download complete
69e41ec4c5b1: Download complete
b7b07546871e: Download complete
869f3e123971: Download complete
a9035b3e27b8: Download complete
7b12b431e47a: Download complete
e66b750e1013: Download complete
f0d25c6c461c: Download complete
fb2d80dca5af: Download complete
failed to register layer: ApplyLayer exit status 1 stdout: stderr:
lchown /var/trex/v2.36: invalid argument

:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04 LTS
Release: 18.04
Codename: bionic


:~# docker version
Client:
Version: 19.03.6
API version: 1.40
Go version: go1.12.17
Git commit: 369ce74a3c
Built: Fri Dec 18 12:21:44 2020
OS/Arch: linux/amd64
Experimental: false

Server:
Engine:
Version: 19.03.6
API version: 1.40 (minimum version 1.12)
Go version: go1.12.17
Git commit: 369ce74a3c
Built: Thu Dec 10 13:23:49 2020
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.3.3-0ubuntu1~18.04.4
GitCommit:
runc:
Version: spec: 1.0.1-dev
GitCommit:
docker-init:
Version: 0.18.0

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[andyb...@googlemail.com]

Hi Andres,

...sorry for the late reply - I'm currently moving to a new notebook and the googlemail account was not configured, yet ☹

I am not able install TREX with docker. I have getting the following
message: " ApplyLayer exit status 1 stdout: stderr: lchown
/var/trex/v2.36: invalid argument"

...I had a similar problem (not TRex related) some weeks ago, when I tried to install docker on RHEL 8. They're using podman by default now and the setup was not properly configured. When I pulled the image in question using root it worked.

Maybe this helps...

Best regards,


Andreas