How to load the default configuration

The default configuration file located at /opt/vyatta/etc/config.boot.default.

If you want to load default the configuration remotely, you can run the command below, but be careful, all network parameters and services like ssh may be aborted. You can configure interface parameters and ssh access before running command commit.

vyos@vyos-rtr# load /opt/vyatta/etc/config.boot.default
Warning: file does NOT appear to be a valid config file.
Do you want to continue? [no] Yes
Loading configuration from '/config.boot.default'... 

Load complete.  Use 'commit' to make changes active.
[edit]