[Dnsmasq-discuss] Fwd: requested explanation of undocumented feature

Jim Alles kb3tbx at gmail.com
Wed Oct 16 04:16:18 BST 2013

This is exactly what I was looking for - in trying to find how the
name of the interface was 'set', my search string didn't match
anything here, and my brain ignored everything around BOOTP.

Thanks again.

On Mon, Oct 14, 2013 at 6:44 PM, richardvoigt at gmail.com
<richardvoigt at gmail.com> wrote:
> The only thing I see is that dnsmasq automatically creates a tag for you using the name of the network interface (that name being controlled by udev).  This is documented:
> > The tag system works as follows: For each DHCP request, dnsmasq collects a set of valid tags from active configuration lines which include set:<tag>, including one from the dhcp-range used to allocate the address, one from any matching dhcp-host (and "known" if a dhcp-host matches) The tag "bootp" is set for BOOTP requests, and a tag whose name is the name of the interface on which the request arrived is also set.

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