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nDPI agent native package

routerd's normal Linux release archives are built with CGO_ENABLED=0 and keep all included routerd binaries statically linked. The optional routerd-ndpi-agent-libndpi archive is the exception package for hosts that need native nDPI classification.

This archive contains only:

  • bin/routerd-ndpi-agent
  • share/doc/README.md
  • share/doc/VERSION
  • share/doc/TARGET

The binary is built with CGO_ENABLED=1 -tags libndpi and links to the target system's libndpi runtime. It is intended as an override for a host that already installed the normal routerd archive.

Install​

Install the normal routerd release first, then install the native agent binary:

tar -xzf routerd-ndpi-agent-libndpi-linux-amd64.tar.gz
sudo install -m 0755 bin/routerd-ndpi-agent /usr/local/sbin/routerd-ndpi-agent
sudo systemctl restart routerd-ndpi-agent.service
sudo systemctl restart routerd-dpi-classifier.service

The host must provide a libndpi runtime package with the same shared-library ABI as the archive was built against. On Debian/Ubuntu, install the optional runtime dependencies with:

sudo apt-get install libndpi-bin

Verify that the native backend is active:

sudo curl --silent --unix-socket /run/routerd/ndpi-agent/default.sock \
  http://unix/v1/status

The response should include "libndpiLoaded": true.

Upgrade note​

The normal routerd archive includes the default static routerd-ndpi-agent. During upgrades, install.sh preserves an existing native agent when its selftest reports "libndpiLoaded": true and the archive agent does not.

Run the normal installer with --with-ndpi on hosts that require native application-layer classification. The installer fails if the final installed agent does not report "libndpiLoaded": true, so the static fallback cannot silently satisfy a native nDPI intent.

Configure​

routerd-dpi-classifier must be configured with --engine auto or --engine ndpi-agent and an --ndpi-agent-socket pointing at the agent socket. auto is recommended because it falls back to the built-in classifier if the native agent is unavailable.

The deprecated --ndpi-reader option does not enable native nDPI classification.