[Dnsmasq-discuss] ip address not released

Peter Katzmann p.katzmann at thiesen.com
Wed Jun 11 08:16:16 BST 2008


Hello,
we have to repair some embedded systems with mac addresses within a 
specific range.
These system needs bootp to get flashed some special software.

So i configured the following entries (Dnsmasq version 2.40):

dhcp-host=00:9a:7e:8f:*:*,net:embeddeds,embed,10m

Imho the device, who fits to the mac range, will receive the address for 
embed with a lease time of 10 minutes

Also i have a bootp entry:

dhcp-boot=net:embeddeds,embed_factory.flash,embed,192.168.1.83

Everything works well with one system but the address won't be released 
after 10 minutes.
When i replace the system with another one from the mac range i get the 
following error:

  dnsmasq[21376]: BOOTP(eth23) 192.168.1.119 00:9a:7e:8f:19:5a address 
in use


I always have to remove the lease entry manually from 
/var/lib/misc/dnsmasq.leases and restart dnsmasq to get the new system 
running, independently from how long i wait.

peter






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