Re: Number of static IPv6 DNS servers limited to 3

2021-09-10 Thread Anders Blomdell




On 2021-09-09 18:08, Anders Blomdell wrote:



On 2021-09-09 17:24, Beniamino Galvani wrote:

On Thu, Sep 09, 2021 at 04:42:45PM +0200, Anders Blomdell wrote:

Even thogh the 'ipv6 setting' of 'nm-settings-dbus(5)' doesn't mention this 
limitation. The number of IPv4 DNS server seems to be limited to 10 DNS servers.

Is this by design?


In previous versions of NM the ifcfg-rh configuration plugin could only handle 
10 DNS servers. This limit was raised here:

https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/commit/00f63074d6200badb5193b69c60bd211d7a743f3

This patch is not yet in any released version of NM.

Beniamino


I got bitten by it from nm-connection-editor, but since I'm running a Fedora 
system it might be that ifcfg-rh is responsible. Will look into this tomorrow.


Weirder than expected :-(. I had problems duplicating the problem on a freshly
installed system, after (quite) some debugging it turned out that the problem 
was
that the current network configuration was backed by a file in 
/etc/sysconfig/network-scripts
updating the backing file limited the total number of DNS servers to 10, after 
cloning
the connection everything started working.

Thanks for the pointers...

/Anders
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Re: Number of static IPv6 DNS servers limited to 3

2021-09-09 Thread Anders Blomdell




On 2021-09-09 17:24, Beniamino Galvani wrote:

On Thu, Sep 09, 2021 at 04:42:45PM +0200, Anders Blomdell wrote:

Even thogh the 'ipv6 setting' of 'nm-settings-dbus(5)' doesn't mention this 
limitation.
The number of IPv4 DNS server seems to be limited to 10 DNS servers.

Is this by design?


In previous versions of NM the ifcfg-rh configuration plugin could
only handle 10 DNS servers. This limit was raised here:

https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/commit/00f63074d6200badb5193b69c60bd211d7a743f3

This patch is not yet in any released version of NM.

Beniamino


I got bitten by it from nm-connection-editor, but since I'm running a Fedora 
system it might be that ifcfg-rh is responsible. Will look into this tomorrow.

Thanks

/Anders
--
Anders Blomdell  Email: anders.blomd...@control.lth.se
Department of Automatic Control
Lund University  Phone:+46 46 222 4625
P.O. Box 118
SE-221 00 Lund, Sweden
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Re: Number of static IPv6 DNS servers limited to 3

2021-09-09 Thread Beniamino Galvani via networkmanager-list
On Thu, Sep 09, 2021 at 04:42:45PM +0200, Anders Blomdell wrote:
> Even thogh the 'ipv6 setting' of 'nm-settings-dbus(5)' doesn't mention this 
> limitation.
> The number of IPv4 DNS server seems to be limited to 10 DNS servers.
> 
> Is this by design?

In previous versions of NM the ifcfg-rh configuration plugin could
only handle 10 DNS servers. This limit was raised here:

https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/commit/00f63074d6200badb5193b69c60bd211d7a743f3

This patch is not yet in any released version of NM.

Beniamino


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