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Re: networkd: get ipv6 slaac address only at boot despite IPv6AcceptRA=false




Hi,

I finally uninstalled ifupdown to not get these ip anymore. But I still
not understand why does /etc/inetd/networking is running at boot when it
is disabled ?

cED

Le 06. 09. 17 à 10:39, BRINER Cédric a écrit :
> systemd 232
> debian stretch 9.1
> 
> Hi,
> 
> I configure my ip stack with systemd-networkd. I do have a dual stack
> (v4 and v6). There is a router advertisement on fd69:620:600:b00:: and
> on 2001:620:600:b00:: and the ipv6 choosed is on a other network
> fd69:620:600:11::
> 
> The problem is that my ip configuration differs between the one I get
> after a reboot and the one I get after a "systemctl restart
> systemd-networkd".
> 
> Do you have any idea what the problem could be or what to do to
> troubleshoot it ?
> 
> Regards.
> 
> cED
> 
> 
> ------------------
> 
> The config is:
> [Match]
> Name=ens192
> 
> [Network]
> DHCP=no
> 
> Address=10.194.11.42/24
> Gateway=10.194.11.1
> 
> IPv6AcceptRA=false
> Address=fd69:620:600:11:250:56ff:feb6:26b9/64
> Gateway=fd69:620:600:11::1
> 
> Domains=unige.ch
> 
> DNS=2001:620:600:4::6
> DNS=2001:620:4::32
> DNS=2001:620:600:8::7
> 
> 
> 
> When I do a systemctl restart systemd-network, the setup does not show
> any ip with the …:b00:: subnet.
> # networkctl status
> ●        State: routable
>        Address: 10.194.11.42 on ens192
>                 fd69:620:600:11:250:56ff:feb6:26b9 on ens192
>                 fe80::250:56ff:feb6:26b9 on ens192
>        Gateway: 10.194.11.1 (Cisco Systems, Inc) on ens192
>                 fd69:620:600:11::1 (Cisco Systems, Inc) on ens192
>                 fe80::5:73ff:fea0:d4 (Cisco Systems, Inc) on ens192
>                 fe80::5:73ff:fea0:d5 (Cisco Systems, Inc) on ens192
>            DNS: 2001:620:600:4::6
>                 2001:620:4::32
>                 2001:620:600:8::7
> Search Domains: unige.ch
> 
> 
> 
> After a reboot, the networkctl status shows …:b00: subnet.
> # networkctl status
> ●        State: routable
>        Address: 10.194.11.42 on ens192
>                 2001:620:600:b00:250:56ff:feb6:26b9 on ens192 --HERE
>                 fd69:620:600:11:250:56ff:feb6:26b9 on ens192
>                 fd69:620:600:b00:250:56ff:feb6:26b9 on ens192 --HERE
>                 fe80::250:56ff:feb6:26b9 on ens192
>        Gateway: 10.194.11.1 (Cisco Systems, Inc) on ens192
>                 fd69:620:600:11::1 (Cisco Systems, Inc) on ens192
>                 fe80::5:73ff:fea0:d4 (Cisco Systems, Inc) on ens192
>                 fe80::5:73ff:fea0:d5 (Cisco Systems, Inc) on ens192
>            DNS: 2001:620:600:4::6
>                 2001:620:4::32
>                 2001:620:600:8::7
> Search Domains: unige.ch
> 
> 
> 
> I have disabled other way of configuring the network
> # systemctl | grep -i netwo
> systemd-networkd.service   loaded active running   Network Service
> 
> systemd-resolved.service   loaded active running   Network Name
> Resolution
> systemd-networkd.socket    loaded active running   Network Service
> Netlink Socket
> network-online.target      loaded active active    Network is Online
> 
> network-pre.target         loaded active active    Network (Pre)
> 
> network.target             loaded active active    Network
> 
> # systemctl status networking
> ● networking.service - Raise network interfaces
>    Loaded: loaded (/lib/systemd/system/networking.service; disabled;
> vendor preset: enabled)
>    Active: inactive (dead)
>      Docs: man:interfaces(5)
> 
>