Ok merci bcp.
Du coup je reprends l’ensemble de la config au début du post excepté la partie délégation de prefix vers l’interface lan c’est ça ?
ca donnerait ca :
[Match]
Name=orange1
[Network]
Description=Orange1
LinkLocalAddressing=ipv6
DHCP=yes
IPForward=yes
IPv6AcceptRA=yes
DHCPPrefixDelegation=yes
# affect Orange IPs
#Address=xx.xx.xx.xx/24
Address=2a01:cb15:xx:xx::254/64
[DHCPv4]
ClientIdentifier=mac
VendorClassIdentifier=sagem
UserClass=FSVDSL_livebox.Internet.softathome.Livebox4
SendOption=90:string:\xxxx
UseHostname=no
UseDNS=no
UseDomains=no
UseNTP=no
#UseAddress=no
RouteMetric=0
[DHCPv6]
UserClass=FSVDSL_livebox.Internet.softathome.livebox4
SendOption=11:string:\xxxx
SendOption=16:string:\x00\x00\x04\x0e\x00\x05\x73\x61\x67\x65\x6d
UseHostname=no
UseDNS=no
UseDomains=no
UseNTP=no
UseAddress=no
RouteMetric=1024
WithoutRA=solicit
[IPv6AcceptRA]
DHCPv6Client=always
UseDNS=no
UseDomains=no
[DHCPPrefixDelegation]
#SubnetId=0x1
UplinkInterface=:self
Announce=no
Mais après quelques tests, même problème avec la conf ci-dessus :
systemd-networkd[2458602]: orange1: DHCPv4 address and routes set.
systemd-networkd[2458602]: orange1: link_check_ready(): IPv4LL:no DHCPv4:yes DHCPv6:no DHCP-PD:no NDisc:no
systemd-networkd[2458602]: orange1: State changed: configuring -> configured
systemd-networkd[2458602]: orange1: NDISC: Received Router Advertisement: flags none preference medium lifetime 4500 sec
systemd-networkd[2458602]: orange1: NDISC: Invoking callback for 'router' event.
systemd-networkd[2458602]: orange1: Acquiring DHCPv6 lease on NDisc request
systemd-networkd[2458602]: orange1: Requesting NDisc route (n/a): dst: n/a, src: n/a, gw: fe80::ba0:bab, prefsrc: n/a, scope: global, table: main(254), proto: ra, type: unicast, nexthop: 0, priority: 1024, flags: n/a
systemd-networkd[2458602]: orange1: Setting SLAAC addresses and router.
systemd-networkd[2458602]: orange1: State changed: configured -> configuring
systemd-networkd[2458602]: orange1: link_check_ready(): IPv4LL:no DHCPv4:yes DHCPv6:no DHCP-PD:no NDisc:no
systemd-networkd[2458602]: orange1: State changed: configuring -> configured
systemd-networkd[2458602]: orange1: Configuring NDisc route (requesting): dst: n/a, src: n/a, gw: fe80::ba0:bab, prefsrc: n/a, scope: global, table: main(254), proto: ra, type: unicast, nexthop: 0, priority: 1024, flags: n/a
systemd-networkd[2458602]: orange1: Received remembered NDisc route (configured): dst: n/a, src: n/a, gw: fe80::ba0:bab, prefsrc: n/a, scope: global, table: main(254), proto: ra, type: unicast, nexthop: 0, priority: 1024, flags: n/a
systemd-networkd[2458602]: orange1: SLAAC addresses and routes set.
systemd-networkd[2458602]: orange1: DHCPv6 client: Sent Solicit
systemd-networkd[2458602]: orange1: DHCPv6 client: Next retransmission in 1s
systemd-networkd[2458602]: orange1: DHCPv6 client: Sent Solicit
systemd-networkd[2458602]: orange1: DHCPv6 client: Next retransmission in 3s
systemd-networkd[2458602]: orange1: DHCPv6 client: Sent Solicit
systemd-networkd[2458602]: orange1: DHCPv6 client: Next retransmission in 7s
systemd-networkd[2458602]: orange1: NDISC: No RA received before link confirmation timeout
systemd-networkd[2458602]: orange1: NDISC: Invoking callback for 'timeout' event.
systemd-networkd[2458602]: orange1: NDisc handler get timeout event
systemd-networkd[2458602]: orange1: DHCPv6 client: Sent Solicit
systemd-networkd[2458602]: orange1: DHCPv6 client: Next retransmission in 14s
systemd-networkd[2458602]: orange1: DHCPv6 client: Sent Solicit
systemd-networkd[2458602]: orange1: DHCPv6 client: Next retransmission in 27s
systemd-networkd[2458602]: orange1: DHCPv6 client: Sent Solicit
systemd-networkd[2458602]: orange1: DHCPv6 client: Next retransmission in 54s
systemd-networkd[2458602]: orange1: DHCPv6 client: Sent Solicit
systemd-networkd[2458602]: orange1: DHCPv6 client: Next retransmission in 1min 45s
Ce qui est curieux, c'est que je récupère bien la gateway fe80::ba0:bab par le dhcp.
Merci