Voici mon ifconfig avant que je fasse les manipulations :
> ifconfig
enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet)
RX packets 44315 bytes 50583237 (48.2 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 11825 bytes 1843052 (1.7 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 32 base 0x1000
>
L'adresse MAC que voici, correspond à celle de ma BOX SFR.
Voici mon fichier "dhclient.conf" :
timeout 60;
retry 60;
reboot 10;
select-timeout 5;
initial-interval 2;
option dhcp6.vendorclass code 16 = string;
send host-name = gethostname();
interface "enp2s0" {
request broadcast-address,
dhcp-lease-time,
dhcp-rebinding-time,
dhcp-renewal-time,
dhcp6.domain-search,
dhcp6.name-servers,
dhcp6.vendorclass,
domain-name,
domain-name-servers,
domain-search,
host-name,
merit-dump,
nis-domain,
ntp-servers,
root-path,
routers,
subnet-mask,
time-offset;
require routers,
subnet-mask;
# ---- #
# IPv4 #
# ---- #
send dhcp-client-identifier 1:xx:xx:xx:xx:xx:xx;
send vendor-class-identifier "neufbox_NB6VAC-FXC-r1_NB6VAC-MAIN-R4.0.45d_NB6VAC-XDSL-A2pv6F039p";
send dhcp-lease-time 3600;
# ---- #
# IPv6 #
# ---- #
send dhcp6.vendorclass 00:00:a0:0c:00:41:6e:65:75:66:62:6f:78:5f:4e:42:36:56:41:43:2d:46:58:43:2d:72:31:5f:4e:42:36:56:41:43:2d:4d:41:49:4e:2d:52:34:2e:30:2e:34:35:64:5f:4e:42:36:56:41:43:2d:58:44:53:4c:2d:41:32:70:76:36:46:30:33:39:70;
}
Voici le démarrage en IPv4 :
> dhclient enp2s0 -v
Internet Systems Consortium DHCP Client 4.4.1
Copyright 2004-2018 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Listening on LPF/enp2s0/xx:xx:xx:xx:xx:xx
Sending on LPF/enp2s0/xx:xx:xx:xx:xx:xx
Sending on Socket/fallback
DHCPDISCOVER on enp2s0 to 255.255.255.255 port 67 interval 2
DHCPDISCOVER on enp2s0 to 255.255.255.255 port 67 interval 4
DHCPDISCOVER on enp2s0 to 255.255.255.255 port 67 interval 10
DHCPOFFER of xxx.xxx.xxx.xxx from xxx.xxx.xxx.xxx
DHCPREQUEST for xxx.xxx.xxx.xxx on enp2s0 to 255.255.255.255 port 67
DHCPACK of xxx.xxx.xxx.xxx from xxx.xxx.xxx.xxx
bound to xxx.xxx.xxx.xxx -- renewal in 143 seconds.
root/warehouse/05.Network/01.Bypass>
Vérification par ifconfig :
> ifconfig
enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet xxx.xxx.xxx.xxx netmask 255.255.255.192 broadcast 93.1.176.63
inet6 fe80::xxxx:xxxx:xxxx:xxxx prefixlen 64 scopeid 0x20<link>
ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet)
RX packets 44556 bytes 50651594 (48.3 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 12027 bytes 1877975 (1.7 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 32 base 0x1000
>
Comme on peut le constater, j'ai bien le lien local (fe80::...).
Démarrage en IPv6 :
> dhclient enp2s0 -6 -v
Internet Systems Consortium DHCP Client 4.4.1
Copyright 2004-2018 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Listening on Socket/enp2s0
Sending on Socket/enp2s0
PRC: Soliciting for leases (INIT).
XMT: Forming Solicit, 0 ms elapsed.
XMT: X-- IA_NA xx:xx:xx:xx
XMT: | X-- Request renew in +3600
XMT: | X-- Request rebind in +5400
XMT: Solicit on enp2s0, interval 1090ms.
RCV: Advertise message on enp2s0 from fe80::5555.
RCV: X-- IA_NA xx:xx:xx:xx
RCV: | X-- starts 1690512722
RCV: | X-- t1 - renew +0
RCV: | X-- t2 - rebind +0
RCV: | X-- [Options]
RCV: | !-- Status code of no addrs, IA_NA discarded.
RCV: X-- Server ID: xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx
PRC: Lease failed to satisfy.
XMT: Forming Solicit, 1090 ms elapsed.
XMT: X-- IA_NA xx:xx:xx:xx
XMT: | X-- Request renew in +3600
XMT: | X-- Request rebind in +5400
XMT: Solicit on enp2s0, interval 2280ms.
RCV: Advertise message on enp2s0 from fe80::5555.
RCV: X-- IA_NA xx:xx:xx:xx
RCV: | X-- starts 1690512723
RCV: | X-- t1 - renew +0
RCV: | X-- t2 - rebind +0
RCV: | X-- [Options]
RCV: | !-- Status code of no addrs, IA_NA discarded.
RCV: X-- Server ID: xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx
PRC: Lease failed to satisfy.
XMT: Forming Solicit, 3370 ms elapsed.
XMT: X-- IA_NA xx:xx:xx:xx
XMT: | X-- Request renew in +3600
XMT: | X-- Request rebind in +5400
XMT: Solicit on enp2s0, interval 4700ms.
RCV: Advertise message on enp2s0 from fe80::5555.
RCV: X-- IA_NA xx:xx:xx:xx
RCV: | X-- starts 1690512726
RCV: | X-- t1 - renew +0
RCV: | X-- t2 - rebind +0
RCV: | X-- [Options]
RCV: | !-- Status code of no addrs, IA_NA discarded.
RCV: X-- Server ID: xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx
PRC: Lease failed to satisfy.
XMT: Forming Solicit, 8070 ms elapsed.
XMT: X-- IA_NA xx:xx:xx:xx
XMT: | X-- Request renew in +3600
XMT: | X-- Request rebind in +5400
XMT: Solicit on enp2s0, interval 9710ms.
RCV: Advertise message on enp2s0 from fe80::5555.
RCV: X-- IA_NA xx:xx:xx:xx
RCV: | X-- starts 1690512730
RCV: | X-- t1 - renew +0
RCV: | X-- t2 - rebind +0
RCV: | X-- [Options]
RCV: | !-- Status code of no addrs, IA_NA discarded.
RCV: X-- Server ID: xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx
PRC: Lease failed to satisfy.
XMT: Forming Solicit, 17780 ms elapsed.
XMT: X-- IA_NA xx:xx:xx:xx
XMT: | X-- Request renew in +3600
XMT: | X-- Request rebind in +5400
XMT: Solicit on enp2s0, interval 18830ms.
RCV: Advertise message on enp2s0 from fe80::5555.
RCV: X-- IA_NA xx:xx:xx:xx
RCV: | X-- starts 1690512740
RCV: | X-- t1 - renew +0
RCV: | X-- t2 - rebind +0
RCV: | X-- [Options]
RCV: | !-- Status code of no addrs, IA_NA discarded.
RCV: X-- Server ID: xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx
PRC: Lease failed to satisfy.
^C
>
Je l'ai arrêté par un CTRL-C. On peut lire "PRC: Lease failed to satisfy".
Je n'ai aucune attribution d'adresse IPv6 par le serveur DHCP de SFR :
> ifconfig
enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet xxx.xxx.xxx.xxx netmask 255.255.255.192 broadcast xxx.xxx.xxx.xxx
inet6 fe80::xxxx:xxxx:xxxx:xxxx prefixlen 64 scopeid 0x20<link>
ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet)
RX packets 44783 bytes 50692537 (48.3 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 12227 bytes 1903513 (1.8 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 32 base 0x1000
>
Cela fait deux jours que je cherche à comprendre pourquoi il n'y a pas d'attribution d'une adresse IPv6 par le serveur DHCP de SFR.
@ Floyder : je n'ai aucune règle dans IPTABLES & IPTABLES6. Je n'ai donc aucun blocage concernant ICMP pour IPv4 & IPv6.