I found a bug in PPPoE Server where I only enabled PPPoE server on some interfaces but when show pppoe-server interfaces all the PPPoE Server interfaces were active.
Hello @maimun.najib , could you please describe which VyOS version is running and provide an output of the file sudo cat /run/accel-ppp/pppoe.conf
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najib@02.SATURNUS:~$ show configuration commands | strip-privat
e | match pppoe
set service pppoe-server authentication mode 'radius'
set service pppoe-server authentication radius server xxxxx.tld
key xxxxxx
set service pppoe-server authentication radius server xxxxx.tld
key xxxxxx
set service pppoe-server authentication radius source-address '
xxx.xxx.54.164'
set service pppoe-server client-ip-pool subnet 'xxx.xxx.0.0/20'
set service pppoe-server gateway-address 'xxx.xxx.251.112'
set service pppoe-server interface eth1
set service pppoe-server interface eth2
set service pppoe-server interface eth5.3001 vlan-range '2-4000
'
set service pppoe-server name-server 'xxx.xxx.24.10'
set service pppoe-server name-server 'xxx.xxx.33.254'