Old Tired Question: 'Not configured to listen on any interfaces'

Matthew Causey matt.causey at gmail.com
Fri Feb 25 17:24:03 UTC 2011


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Thanks for the insight guys.  This is very helpful (even the slightly
off-topic sub thread. :-)

On 2/24/11 1:24 PM, Glenn Satchell wrote:
> On 02/25/11 05:49, Simon Hobson wrote:
>> Matt Causey wrote:

<snip>

>>> What I did as a workaround was created a /32 subnet declaration for
>>> the ip address on eth0 so dhcpd would run.
> 
> You should use the proper subnet for this definition. It helps dhcpd
> build an internal picture of the network structure. Something like this:
> 
> subnet a.b.c.0 netmask a.b.c.d { }
>
What are the potential negative side effects of using:

subnet 10.26.16.55 netmask 255.255.255.255 { } (local server ip/32)

vs

subnet 10.26.16.0 netmask 255.255.252.0 { } (the /22 where server lives)

- --
Matt
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