DHCP question

[Gordon Messmer]

Ashley M. Kirchner wrote:
> 
>    Can anyone think of why a Winbox would stop sending it's hardware 
> address when it's time to renew its lease?
...
> dhcpd: DHCPINFORM from 192.168.1.139 via eth1
> dhcpd: DHCPACK to 192.168.1.139 (<no client hardware address>) via eth1

It's not renewing its lease.  Lease renewals are DHCPDISCOVER or 
DHCPREQUEST from the clients.  This is a DHCPINFORM.
http://www.archivesat.com/dhcp-server.isc.org/thread237578.htm