Moin Frank,
[ Frank Weißer, 2020-11-20 ]
> eth0 NC(=unused)
> 00:19.0 Ethernet controller: Intel Corporation 82566DM-2 Gigabit Network
> Connection (rev 02)
> Subsystem: Fujitsu Technology Solutions 82566DM-2 Gigabit Network
> Connection
> Kernel driver in use: e1000e
>
> eth1-4
> eth1 NC
> eth2 NC
> eth3 flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
> inet 192.168.0.254 netmask 255.255.255.0
> eth4 flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
> inet 10.0.2.2 netmask 255.0.0.0
> 04:00.1 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet
> Controller (Fiber) (rev 06)
> Subsystem: Intel Corporation PRO/1000 PF Quad Port Server Adapter
> Kernel driver in use: e1000e
>
> I can reach tjener via fibre cable and switch and use it with scp, smb and
> so on.
> But dhcp, bxe-boot and ltsp-clients don't work.
>
> How can I tell 82571EB to do its work?
IMO this is not a network card issue.
I guess renaming the interface names would help.
Only do the following if the system isn't used by anyone else...
(0) Put down the MAC addresses of eth3 and eth4 (eth4 should be eth0 and
eth3 should be eth1 later)
(1) Remove 'net.ifnames=0' from the kernel command line in /etc/default/grub
(2) Run 'update-grub'
(3) Reboot. 'ip a' will show you the persistent network interface names
(probably something like enpXsY, where Y is the slot name) and MACs
(4) Add MAC matching lines at the begin of /etc/network/interfaces, e.g.:
rename enp0s3=eth0
rename enp0s8=eth1
(5) Reboot and check if everything works, otherwise fix the renaming lines
Hope it helps,
Wolfgang
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