Re: Number of static IPv6 DNS servers limited to 3

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:

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


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...


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