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From: The Natural Philosopher <tnp@invalid.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: I never thought of this scenario
Date: Fri, 19 Apr 2024 10:47:44 +0100
Organization: A little, after lunch
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On 18/04/2024 23:16, Lawrence D'Oliveiro wrote:
> On Sun, 14 Apr 2024 20:15:32 -0500, Grant Taylor wrote:
> 
>> .. when a DHCP client /renews/ it's lease,
>> it has a valid IP address and can use that to talk to the DHCP server on
>> a remote subnet using standard DHCP protocol.
> 
> Why would it need to? The DHCP server is on the same subnet, otherwise the
> client could not have got that address in the first place.
Sigh. Simply not true.

DHCP servers can serve multiple local subnets

The key is that the routers between each subnet and the DHCP machine 
need to be told to route DHCP *in some way*.

-- 
Karl Marx said religion is the opium of the people.
But Marxism is the crack cocaine.