TRex is an open source, low cost, stateful and stateless traffic generator fuelled by DPDK. This snap packages the TRex server, console and Python automation client from the upstream trex-core source.
The server runs in af_packet mode on kernel interfaces, without hugepages or NIC driver binding. DPDK PCI mode is not supported under strict confinement.
Setup
sudo snap connect trex-generator:network-control
sudo snap connect trex-generator:hardware-observe
sudo snap connect trex-generator:process-control
sudo snap connect trex-generator:system-observe
Configuration
Configuration files, scripts and their output live in
/var/snap/trex-generator/common. Select the server configuration with
sudo snap set trex-generator config=<path relative to that directory>
(default trex_cfg.yaml), or pass --cfg <absolute path>.
Commands
trex-generator.t-rex-64: TRex servertrex-generator.console: interactive consoletrex-generator.python: Python with the TRex automation clientUpstream: https://github.com/cisco-system-traffic-generator/trex-core
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Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
On Arch Linux, snap can be installed from the Arch User Repository (AUR). The manual build process is the Arch-supported install method for AUR packages, and you’ll need the prerequisites installed before you can install any AUR package. You can then install snap with the following:
git clone https://aur.archlinux.org/snapd.git
cd snapd
makepkg -si
Once installed, the systemd unit that manages the main snap communication socket needs to be enabled:
sudo systemctl enable --now snapd.socket
If AppArmor is enabled in your system, enable the service which loads AppArmor profiles for snaps:
sudo systemctl enable --now snapd.apparmor.service
To enable classic snap support, enter the following to create a symbolic link between /var/lib/snapd/snap and /snap:
sudo ln -s /var/lib/snapd/snap /snap
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
To install trex-generator, simply use the following command:
sudo snap install trex-generator --edge
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