Belzebu69 Ti ringrazio per la risposta ma ammetto di non averci capito moltissimo. Inizio dalle basi (correggimi dove sbaglio). Quanto l'iliadbox viene messa in ONT mode fornisce un indirizzo IPv4 e IPv6 al mikrotik.
Considerando di voler far funzionare solo la parte IPv4 (la parte IPv6 la posso configurare dopo) ho inserito la seguente configurazione senza risultato
/ip pool
add name=dhcp ranges=192.168.88.10-192.168.88.254
/ip dhcp-server
add address-pool=dhcp interface=bridge name=defconf
/ip address
add address=192.168.88.1/24 comment=defconf interface=bridge network=192.168.88.0
/ip dhcp-client
add comment=defconf interface=ether1
/ip dhcp-server network
add address=192.168.88.0/24 comment=defconf dns-server=192.168.88.1 gateway=192.168.88.1
/ip dns
set allow-remote-requests=yes
/ip dns static
add address=192.168.88.1 comment=defconf name=router.lan
/ip neighbor discovery-settings
set discover-interface-list=LAN
/ip firewall filter
add action=accept chain=input comment="defconf: accept established,related,untracked" connection-state=established,related,untracked
add action=drop chain=input comment="defconf: drop invalid" connection-state=invalid
add action=accept chain=input comment="defconf: accept ICMP" protocol=icmp
add action=accept chain=input comment="defconf: accept to local loopback (for CAPsMAN)" dst-address=127.0.0.1
add action=drop chain=input comment="defconf: drop all not coming from LAN" in-interface-list=!LAN
add action=accept chain=forward comment="defconf: accept in ipsec policy" ipsec-policy=in,ipsec
add action=accept chain=forward comment="defconf: accept out ipsec policy" ipsec-policy=out,ipsec
add action=fasttrack-connection chain=forward comment="defconf: fasttrack" connection-state=established,related hw-offload=yes
add action=accept chain=forward comment="defconf: accept established,related, untracked" connection-state=established,related,untracked
add action=drop chain=forward comment="defconf: drop invalid" connection-state=invalid
add action=drop chain=forward comment="defconf: drop all from WAN not DSTNATed" connection-nat-state=!dstnat connection-state=new in-interface-list=WAN
/ip firewall nat
add action=masquerade chain=srcnat comment="defconf: masquerade" ipsec-policy=out,none out-interface-list=WAN
add action=masquerade chain=srcnat comment="tcp masquerade" out-interface-list=WAN protocol=tcp to-ports=1050-16383
add action=masquerade chain=srcnat comment="udp masquerade" ipsec-policy=out,none out-interface-list=WAN protocol=udp to-ports=1050-16383
add action=masquerade chain=srcnat comment="portless masquerade" ipsec-policy=out,none out-interface-list=WAN
Non vedo nessun pacchetto passare sulla ether1 (ovvero sulla mia WAN): non so se questo è il motivo del malfunzionamento dell'iliadbox in ont mode (probabilmente ci sarà anche altro).
Avete suggerimenti?