Vyatta Network OS Documentation

Learn how to install, configure and operate the Vyatta NOS, which helps drive our virtual networking & physical platforms portfolio.

NETCONF error: "No base capability ... Session not established"

Condition

The SSH connection was dropped. When you use the show journal since <timestamp> command, you find that the Vyatta NOS system journal has entries like this:

Jul 07 12:42:44 vm-at-1 netconfd[4638]: E| No base capability found in the capabilities intersection.
Jul 07 12:42:44 vm-at-1 netconfd[4638]: E| Session not established.

Cause

Your <hello> message has incorrect capabilities or it does not match the capabilities offered by Vyatta NOS.

Remedy

The example <hello> message at Establish a NETCONF session — <hello>, with a single capability, should work. If you include more capabilities, make sure that the Vyatta NOS device supports them — that is, the device specified them in its <hello> response.