Re: how to add more ipv6 addresses to an interface that is being configured through dhcpv6

[jeremy ardley <jeremy@ardley.org>]

On 14/11/2022 7:50 am, jeremy ardley wrote:
> > How do I additionally assign fd53::40/16?
> I faced exactly the same problem on a recent new install of Debian 11.
>
> I decided to use systemd-networkd service and removed most of the 
> stuff from /etc/network/interfaces
>
> This is my /etc/systemd/network/wired.lan.network file (name arbitrary)
>
> I also get an additional static IPv4 address
>
>
> --

I should note with my basic setup, I get an IPv6 address derived from my 
MAC address, an additional set of temporary IPv6 address for privacy 
with outgoing connections, and my static IPv6 address for incoming 
connections.

cat /etc/systemd/network/wired_lan.network
[Match]
Name=enp7s0

[Network]

DHCP=yes

Address=192.168.1.68/24
Gateway=192.168.1.1
DNS=192.168.1.4 192.168.1.5

Address=2001:db8:beef::44/64
IPv6PrivacyExtensions=yes
IPv6AcceptRA=yes

Domains=lan bronzemail.com

[IPv6AcceptRA]

 ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN 
group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: enp7s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast 
state UP group default qlen 1000
    link/ether 50:3e:aa:02:64:41 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.68/24 brd 192.168.1.255 scope global dynamic enp7s0
       valid_lft 78631sec preferred_lft 78631sec
    inet6 2001:db8:f4f:e649:b1fc:f160/64 scope global temporary dynamic
       valid_lft 6072sec preferred_lft 2471sec
    inet6 2001:db8:2673:e619:a00e:e392/64 scope global temporary 
deprecated dynamic
       valid_lft 6072sec preferred_lft 0sec
    inet6 2001:db8:5d63:bbf8:f876:7888/64 scope global temporary 
deprecated dynamic
       valid_lft 6072sec preferred_lft 0sec
    inet6 2001:db8:a01c:1cb6:323d:8ea4/64 scope global temporary 
deprecated dynamic
       valid_lft 6072sec preferred_lft 0sec
    inet6 2001:db8:e94c:ba84:af63:1af0/64 scope global temporary 
deprecated dynamic
       valid_lft 6072sec preferred_lft 0sec
    inet6 2001:db8:b71b:949f:390f:1acf/64 scope global temporary 
deprecated dynamic
       valid_lft 6072sec preferred_lft 0sec
    inet6 2001:db8:523e:aaff:fe02:6441/64 scope global dynamic 
mngtmpaddr noprefixroute
       valid_lft 6072sec preferred_lft 2471sec
    inet6 2001:db8:beef::44/64 scope global
       valid_lft forever preferred_lft forever
    inet6 fe80::523e:aaff:fe02:6441/64 scope link
       valid_lft forever preferred_lft forever



Jeremy