On Tue 14 Mar 2023 at 17:06:19 (+0800), jeremy ardley wrote: > On 14/3/23 16:21, Tim Woodall wrote: > > On Tue, 14 Mar 2023, Jeremy Ardley wrote: > > > I conclude there is no IPv6 DHCP involved but there must be > > > something that listens to RA announcements and generates a MAC > > > derived address from that. > > > > > > I still need to know how to control that as there are options > > > relating to privacy that can do things like generate an > > > expendable address in a different way and later generate > > > another and deprecate earlier addresses. > > > > Just add them to the ipv6 section. > > > > I have > > > > iface xenbr0-active inet6 auto > > up echo 64 > > >/proc/sys/net/ipv6/conf/$IFACE/accept_ra_rt_info_max_plen > > up ip token set ::128/64 dev $IFACE > > bridge_ports usb0 > > bridge_stp off # disable Spanning Tree Protocol > > bridge_waitport 0 # no delay before a port becomes available > > bridge_fd 0 # no forwarding delay
I didn't receive that post, and perhaps I wouldn't understand it anyway until I'm running bookworm. > I had hoped (not very hopefully) the solution wouldn't involve bashing > kernel parameters. > > From previous journeys in this area systemd-networkd does a much > neater job and has huge numbers of options. > > This is my worstation config I hope it gets better :) > root@client:/etc/systemd/network# cat wired_lan.network > > [Match] > Name=enp7s0 > > [Network] > > DHCP=yes > > Address=10.31.40.68/24 > Gateway=10.31.40.1 > DNS=10.31.40.4 10.31.40.5 > > Address=2403:5800:c101:b700:beef::44/64 > IPv6PrivacyExtensions=yes > IPv6AcceptRA=yes > > Domains=lan example.com > > [IPv6AcceptRA] Any reason for running ifupdown in preference to systemd-networkd on the enp0s3 machine? All mine run the latter, hence being rusty on the contents of /e/n/i. Cheers, David.
