[Dnsmasq-discuss] Missing DHCPNAKs
simon at thekelleys.org.uk
Mon Aug 22 13:50:14 BST 2005
Dan Shechter wrote:
> I've been trying to use dnsmasq in a wireless access point (802.11
> a/b/g) environment.
> In these types of environments it is very common for:
> 1. Clients to use windows machines
> 2. Clients to roam in from a different wireless network.
> I'm encountering a scenario where DNSMASQ is receiving a DHCPREQUEST for
> renewal from
> A client which is "roaming" in from a previous network which is a
> network which
> DNSMASQ's configuration file has no pool for.
> There for DNSMASQ reports the error message from rfc2131.c:185:
> "no address range available for DHCP request..." and returns.
> Other wireless routers/access points are returning DHCPNAK messages in
> this situation.
Dan, please could you send me (off list) a packet dump of a DHCPREQUEST
which provokes this behaviour? I have a fairly good idea what's
happening here, but I'd like to be sure I understand what's going on.
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