[Dnsmasq-discuss] v6 to v4 switch on fail over on Strict Order

[Geert Stappers]

On Thu, Feb 16, 2023 at 01:12:48PM +0530, Gomathi Shankar P S wrote:
> Hi Team,
> We are facing an issue when we have the following pre-conditions
> 
>    - dnsmasq version - 2.83, and is running in strict-order
>    - both v6 and v4 nameservers are in the resolv file
>    - when v6 route is fails
> 
> there is no fail-over fallback to v4 from v6 nameserver for resolution.
> 
> I understand that dnsmasq only reaches V6 nameservers (note - we have both
> v6 and v4 nameservers in resolv.dnsmasq) when we have V6 IP.

That understanding might be based upon a small data set.

 
> When V6 route fails (but still we have V6 IP), we would like dnsmasq to
> reach V4 nameservers when V6 route is failed. Currently, it forwards the
> domains only to V6 nameservers as we have V6 IPs.
> 
> In the case of "no-strict-order", dnsmasq is reaching out to all
> nameservers.

Yes.


> Is it possible to let dnsmasq to reach out V4 nameservers if the route
> fails (no response from V6 nameservers)?


Yes-no-questions are poor discussion starters.



Groeten
Geert Stappers
-- 
Silence is hard to parse