Value of leased-address while processing DISCOVER
Glenn Satchell
Glenn.Satchell at uniq.com.au
Tue Dec 11 13:28:22 UTC 2007
The value of leased-address varies depending on whether the server is
handling a DHCPDISCOVER, DHCPREQUEST, etc.
You can test the value of 'option dhcp-message-type' (see dhcp-options
man page for possible values) to see whether leased-address is likely
to be valid or not.
regards,
-glenn
>Subject: Value of leased-address while processing DISCOVER
>From: Jerimiah Cole <jcole at tbtc.net>
>To: dhcp-users at isc.org
>Date: Mon, 10 Dec 2007 12:54:13 -0700
>
>This config:
>
>if binary-to-ascii(10,8,".",substring(option agent.remote-id,4,4)) =
"72.0.47.192" {
> log ( info, concat( "PVC for ", binary-to-ascii(10,8,".",leased-address), "
(", binary-to-ascii(16,8,":",hardware), ") (gw.tul) is: ",
binary-to-ascii(10,8,"",substring(option agent.remote-id,9,1)), "/",
binary-to-ascii(10,16,"",suffix(option agent.remote-id,2)) ) );
>}
>
>Dec 9 07:54:39 2007 dhcpd: PVC for 192.168.167.88 (1:0:30:65:b7:ff:ff)
(gw.site) is: 1/77
>Dec 9 07:54:39 2007 dhcpd: DHCPDISCOVER from 00:30:65:b7:ff:ff via
192.168.167.65
>Dec 9 07:54:40 2007 dhcpd: DHCPOFFER on 66.18.167.88 to 00:30:65:b7:ff:ff via
192.168.167.65
>Dec 9 07:54:44 2007 dhcpd: PVC for 192.168.167.87 (1:0:30:65:b7:ff:ff)
(gw.tul) is: 1/77
>Dec 9 07:54:44 2007 dhcpd: DHCPDISCOVER from 00:30:65:b7:61:26 via
192.168.167.65: no available billing
>
>What is the value of leased-address indicating? Has the server already
"allocated" the first address and is denying the second request based on the
class lease-limit?
>
>
>
>
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