Help! no free leases

Frank Bulk frnkblk at iname.com
Fri May 4 13:28:08 UTC 2007


If you enumerate dhcpd.leases for that subnet are all of them 'taken'?

Frank 

-----Original Message-----
From: dhcp-users-bounce at isc.org [mailto:dhcp-users-bounce at isc.org] On Behalf
Of Matt Ashfield
Sent: Friday, May 04, 2007 8:04 AM
To: dhcp-users at isc.org; dhcp-server at isc.org
Subject: RE: Help! no free leases

Nope, I don't have a deny unknown. It's a subnet for handing out dynamic
dhcp to users in a particular vlan. The declaration is:

pool {
           failover peer "pluto";
           range 172.16.104.24 172.16.107.254;
           allow unknown-clients;
         }

This issue is sporadic and doesn't happen all the time. It just started this
morning. 

Cheers

Matt

-----Original Message-----
From: dhcp-users-bounce at isc.org [mailto:dhcp-users-bounce at isc.org] On Behalf
Of Frank Bulk
Sent: May 4, 2007 9:48 AM
To: dhcp-users at isc.org; dhcp-server at isc.org
Subject: RE: Help! no free leases

Do you have a 'deny unknown' statement in your configuration, and is that
MAC address listed?

Frank 

-----Original Message-----
From: dhcp-users-bounce at isc.org [mailto:dhcp-users-bounce at isc.org] On Behalf
Of Matt Ashfield
Sent: Friday, May 04, 2007 6:49 AM
To: dhcp-server at isc.org
Subject: Help! no free leases

HI all,

We keep getting:

DHCPDISCOVER from 00:15:c5:1c:21:d4 via 172.16.104.1: network 172.16.104/22:
no free leases

In our logs. We are running 2 servers in failover mode.

When we do a restart, we see the following, which indicates to me that there
*should* be leases available:
dhcpd: pool 90ecc98 172.16.104/22 total 999  free 483  backup 391  lts -46

Any help/advice is greatly appreciated.

Thanks

Matt Ashfield
Network Analyst
Integrated Technology Services
University of New Brunswick
mda at unb.ca 










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