Re: [systemd-devel] ipv6 configuration error

[Michał Zegan]

it is not large, is it: I will set up the tunnel and attach what you want.

I have set up the tunnel. systemd-networkd configured it immediately
when I issued ip tunnel add with parameters. here is ip addr output:

1: lo:  mtu 65536 qdisc noqueue state UNKNOWN
group default qlen 1
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: eth0:  mtu 1500 qdisc fq_codel state
UP group default qlen 1000
link/ether 00:25:90:31:ec:c6 brd ff:ff:ff:ff:ff:ff
inet 91.121.100.5/24 brd 91.121.100.255 scope global dynamic eth0
   valid_lft 572sec preferred_lft 572sec
inet6 fe80::225:90ff:fe31:ecc6/64 scope link
   valid_lft forever preferred_lft forever
3: eth1:  mtu 1500 qdisc noop state DOWN group
default qlen 1000
link/ether 00:25:90:31:ec:c7 brd ff:ff:ff:ff:ff:ff
4: vmnet:  mtu 1500 qdisc noqueue state
UP group default qlen 1000
link/ether 32:1b:ee:cb:a8:59 brd ff:ff:ff:ff:ff:ff
inet 10.0.0.1/24 brd 10.0.0.255 scope global vmnet
   valid_lft forever preferred_lft forever
inet6 2001:470:71:796::1/64 scope global
   valid_lft forever preferred_lft forever
inet6 fe80::301b:eeff:fecb:a859/64 scope link
   valid_lft forever preferred_lft forever
17: tap0:  mtu 1500 qdisc fq_codel
master vmnet state UNKNOWN group default qlen 1000
link/ether fe:ab:50:47:ec:78 brd ff:ff:ff:ff:ff:ff
inet6 fe80::fcab:50ff:fe47:ec78/64 scope link
   valid_lft forever preferred_lft forever
18: sit0@NONE:  mtu 1480 qdisc noop state DOWN group default qlen 1
link/sit 0.0.0.0 brd 0.0.0.0
19: ipv6@NONE:  mtu 1480 qdisc noqueue
state UNKNOWN group default qlen 1
link/sit 91.121.100.5 peer 216.66.80.162
inet6 2001:470:71:796::1/128 scope global
   valid_lft forever preferred_lft forever
inet6 fe80::5b79:6405/64 scope link
   valid_lft forever preferred_lft forever

Here are configs:

ipv4.network:

[Match]
Name=eth0
[Network]
DHCP=ipv4
IPv6AcceptRouterAdvertisements=false
Tunnel=ipv6

ipv6.netdev:

[NetDev]
Name=ipv6
Kind=sit
[Tunnel]
Local=91.121.100.5
Remote=216.66.80.162

ipv6.network:

[Match]
Name=ipv6
[Network]
Address=2001:470:71:796::1/128
IPv6AcceptRouterAdvertisements=false
[Route]
Destination=::/0
PreferredSource=2001:470:71:796::1


W dniu 27.05.2016 o 18:37, Tom Gundersen pisze:
> On Fri, May 27, 2016 at 5:11 PM, Michał Zegan
> > wrote:
> 
> Hello, I have encountered a very interesting problem: I have a wired
> ipv4 network configured via systemd-network, and an ipv6 sit tunnel.
> The problem is it does not start. trying to restart systemd-networkd
> gives the error like both local and remote addresses of the tunnel are
> incompatible. I assume that means there is no interface matching those
> ipv4 addresses. I know that eth0 interface is configured *after* this
> sit one, and it is configured via dhcp, so it is quite possible. What is
> happening?
> 
> 
> Hi Michał,
> 
> Could you configure it manually (using ip(8) or something) and paste the
> output of `ip link` and `ip addr`, and also attach the networkd
> configuration you tried to use (would be great of course if you could
> make it as minimal as possible, but still showing your problem).
> 
> Cheers,
> 
> Tom



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Re: [systemd-devel] ipv6 configuration error

[Tom Gundersen]

On Fri, May 27, 2016 at 5:11 PM, Michał Zegan 
wrote:

> Hello, I have encountered a very interesting problem: I have a wired
> ipv4 network configured via systemd-network, and an ipv6 sit tunnel.
> The problem is it does not start. trying to restart systemd-networkd
> gives the error like both local and remote addresses of the tunnel are
> incompatible. I assume that means there is no interface matching those
> ipv4 addresses. I know that eth0 interface is configured *after* this
> sit one, and it is configured via dhcp, so it is quite possible. What is
> happening?
>

Hi Michał,

Could you configure it manually (using ip(8) or something) and paste the
output of `ip link` and `ip addr`, and also attach the networkd
configuration you tried to use (would be great of course if you could make
it as minimal as possible, but still showing your problem).

Cheers,

Tom
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[systemd-devel] ipv6 configuration error

[Michał Zegan]

Hello, I have encountered a very interesting problem: I have a wired
ipv4 network configured via systemd-network, and an ipv6 sit tunnel.
The problem is it does not start. trying to restart systemd-networkd
gives the error like both local and remote addresses of the tunnel are
incompatible. I assume that means there is no interface matching those
ipv4 addresses. I know that eth0 interface is configured *after* this
sit one, and it is configured via dhcp, so it is quite possible. What is
happening?



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