For my own reference, mostly, and people somehow arriving here by Google...
According to NetworkManager's documentation: https://developer.gnome.org/NetworkManager/stable/settings-ipv4.html about the dns-priority setting, given that: * I'm using dnsmasq as NetworkManager's resolver * My default route is in my wifi connection * Work's VPN specifies a search domain I should get the behavior I want reliably without further work. Thanks, Álex On Sat, Jun 6, 2020 at 1:33 PM Alex Corcoles <a...@corcoles.net> wrote: > Hi, > > I run DHCP/DNS using dnsmasq in three different sites. Each site has a > domain a|b|c.int.personal.com. Each site has: > > server=/other.int.personal.com/<ip of other.int.personal.com.dnsmasq> > rev-server=<other.int.personal.com.dhcp.range>,<ip of > other.int.personal.com.dnsmasq> > > for the other two sites. This works beautifully :) > > However, when I jump on work's VPN on my a site, nmcli prints: > > ---------- > DNS configuration: > servers: work dns servers > domains: work.com > interface: tun0 > type: vpn > > servers: my dns server > domains: a.int.personal.com > interface: wlp0s20f3 > ---------- > > Which works pretty well; I can resolve hosts on *.work.com and *. > a.int.personal.com perfectly. However, NetworkManager assigns the same > priority to both connection's DNS servers for hostnames outside *.work.com > and *.a.int.personal.com, such as *.b.int.personal.com, which means I can > sometimes resolve them, and sometimes not. > > Is there any way to configure dnsmasq to "advertise" that the DNS server > it provides via DHCP should also be used for *.b|c.internal.personal.com > hostnames? man dnsmasq says... > > ... > -s, --domain=<domain>[,<address range>[,local]] > Specifies DNS domains for the DHCP server.... > > but it is not clear to me how to specify multiple domains here or even if > this is the option I want. > > Cheers, > > Álex >
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