dhcp fails with big dhcpd.leases

dorian dorian33 at o2.pl
Tue Aug 31 18:28:10 UTC 2010

> Sten Carlsen wrote:
>> You showed that your range also had in it, that is valid
>> but may cause some clients to behave "funny".
> I'd missed that.
>> subnet netmask {
>>    authoritative;
>>    option subnet-mask;
>>    option routers;
>>    option domain-name "moben";
>>    option domain-name-servers;
>>    option interface-mtu 1450;
>>    default-lease-time 72000;
>>    max-lease-time 72000;
>>    range;
> That range is over a quarter of a million addresses. Does the server
> still have issues with very large ranges ?
Yes it is.
And even if not - in my opinion this doesn't concern the point of the

> I vaguely recall there used to be issues with memory usage and startup
> times.
The host is equipped with 16GB RAM so...
> It does sound a rather excessive number of addresses - even for a
> public access point.
As above: this is not a point of the problem - or maybe is it? But if so
please say it clearly.
Are there any limits on served IP ranges or classes?

I need such big IP range since in fact I have a network of hotspots
working in bridge and centrally controlled from one host.

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