Install openwrt in EXSI 6.5

hi
have a good day
i install the last version for open Wrt in EXSI 6.5 and  i succeed for that 
the open Wrt machine have 2 ether 1 for IN other for out 
the problem i want to  connect via the pppop user and i get the error "Connection attempt failed"
the configuration
config interface 'loopback'
	option device 'lo'
	option proto 'static'
	option ipaddr '127.0.0.1'
	option netmask '255.0.0.0'

config globals 'globals'
	option ula_prefix 'fddb:eb4e:76de::/48'

config device
	option name 'br-lan'
	option type 'bridge'
	list ports 'eth0'

config interface 'lan'
	option device 'br-lan'
	option proto 'static'
	option ipaddr '10.114.143.11'
	option netmask '255.255.255.0'
	option gateway '10.114.143.1'
	option delegate '0'

config interface 'IN_INTERNET'
	option proto 'pppoe'
	option device 'eth0'
	option username 'admin@motz21'
	option ipv6 'auto'
	option delegate '0'
	option password 'ad'

config device
	option name 'eth0'

type or paste code here

This is invalid. You gateway will come from WAN/PPPoE.