Yep, je vois bien les requêtes DHCP, mais sans VLAN pour Hd57.
Je pense qu'il lui manque la case à cocher "802.1Q Tag for Internet".
Edit, OOOHHH !! Touche plus à rien Hd57, ça sent bon
Aug 18 18:09:27 kea-dhcp4[23277]: INFO [kea-dhcp4.leases.140581979432704] DHCP4_LEASE_ALLOC [hwtype=1 20:23:51:a1:xx:xx], cid=[01:20:23:51:a1:xx:xx], tid=0xb1018812: lease 100.102.35.xxx has been allocated for 604800 seconds
Aug 18 18:09:31 kea-dhcp6[22520]: INFO [kea-dhcp6.leases.140684706658048] DHCP6_LEASE_ALLOC duid=[00:03:00:01:20:23:51:a1:xx:xx], [no hwaddr info], tid=0x8e4a0e: lease for address 2a0f:d00:c310::xxx and iaid=1 has been allocated for 2592000 seconds
Aug 18 18:09:31 kea-dhcp6[22520]: INFO [kea-dhcp6.leases.140684706658048] DHCP6_PD_LEASE_ALLOC duid=[00:03:00:01:20:23:51:a1:xx:xx], [no hwaddr info], tid=0x8e4a0e: lease for prefix 2a0f:d00:d310:xxx::/56 and iaid=1 has been allocated for 2592000 seconds