Using an example configuration like:
set service pppoe-server access-concentrator 'ACN' set service pppoe-server authentication local-users username vyos password 'vyos' set service pppoe-server authentication local-users username vyos static-ip '172.20.100.136' set service pppoe-server authentication mode 'local' set service pppoe-server client-ip-pool start '172.20.100.196' set service pppoe-server client-ip-pool stop '172.20.100.255' set service pppoe-server interface 'eth0.202' set service pppoe-server local-ip '172.18.254.202'
will not assign the IP address 172.20.100.136 to the user identified as vyos