2

I'm trying to use manually assigned link-local addresses to have more meaningful routing tables. I disabled auto configuration for all interfaces in /etc/sysctl.conf

net.ipv6.conf.all.autoconf=0

and configured all addresses in /etc/network/interfaces

allow-hotplug eth1 iface eth1 inet manual iface eth1 inet6 static address fe80::A dev eth1 netmask 64 iface eth1 inet6 static address 2002:db8::A netmask 64 gateway fe80::B dns-server 2002:db8::C

When I ifup the interface however, not only I get second - auto generated - link-local address, there is also an error message displayed:

Waiting for DAD... Error: inet6 prefix is expected rather than "fe80::A dev eth1/64". Error: inet6 prefix is expected rather than "fe80::A dev eth1/64". Done

Is it possible to achieve what I want, or am I forced to stick with EUI-64?

Improve this question
2
  • I don't think dev eth1 is supposed to be there. And btw. when you write 2002:db8: did you mean 2001:db8: or 2002:c000:0201:? Also I don't know if multiple iface eth1 inet6 sections is supported. Commented May 31, 2018 at 0:05
  • You're right, "dev eth1" breaks everything. Also I ment 2001:db8 and multiple iface sections for the same interface are supported. Commented Jun 12, 2018 at 12:26

1 Answer 1

Reset to default
1

First of all, disabling autoconfiguration of link-local addresses doesn't seem to be working in stretch, so the autoconfigured address needs to be removed. Below is the working /etc/network/interfaces config

allow-hotplug eth1 iface eth1 inet manual iface eth1 inet6 static address fe80::a netmask 64 iface eth1 inet6 static address 2001:db8::a netmask 64 gateway fe80::b dns-server 2001:db8::c post-up ip address del fe80::a:b:c:d/64 dev eth1
Improve this answer

You must log in to answer this question.

Start asking to get answers

Find the answer to your question by asking.

Ask question

Explore related questions

See similar questions with these tags.