Dhcpd.conf - Options Precedence
Niall O'Reilly
Niall.oReilly at ucd.ie
Sat Apr 8 14:39:07 UTC 2006
On 6 Apr 2006, at 12:26, Simon Hobson wrote:
> I have to point out here that host statements are global in scope* -
You're right. It's worth pointing this out. It's something I didn't
understand properly when I was creating our provisioning system some
years ago. For now, I prefer to treat the issue with a "not broken:
don't fix" approach. What I do with fixed addresses is of course
inconsistent with how I treat the "known" leasing-only hosts. 8-)
> since this seems to be a very common issue, isn't it perhaps time
> that this was trapped and warned about during config file parsing ?
Maybe. The "scope of their own" can be seen as orthogonal to the
other ("normal"?) scope hierarchy. In this sense, they don't actually
interfere, so why warn? OTOH, it is a potential source of confusion.
> The hosts concerned will inherit the subnet options, but not because
> the host declaration is within the subnet declaration, but because
> the IP address is within the subnet.
Well put.
/Niall
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