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Dear folks,
There is another (NT) dhcp server on this subnet; this one is only intended
to provide an address to the old JetDirect box (which it does).
But what is the server doing answering the request for 202.40.215.36?
Shouldn't it just ignore that machine?
[nicku@nickpc] ~
1009 $ cat /etc/dhcpd.conf
subnet 202.40.215.0 netmask 255.255.255.0 {
option routers 202.40.215.254; # default gateway
max-lease-time 10800; # 3 hours
default-lease-time 10800; # 3 hours
host ljpq1 {
hardware ethernet 00:60:b0:2c:4e:a0;
fixed-address 202.40.215.169;
}
}
[nicku@nickpc] ~
1010 $
1003 # /etc/rc.d/init.d/dhcpd start
Adding host route to get around Linux bug: Starting dhcpd: [ OK ]
[root@nickpc] ~
1004 # tail -f /var/log/messages
Aug 9 08:54:49 nickpc dhcpd: Sending on LPF/eth0/00:c0:4f:87:9f:8d/202.40.215
.0
Aug 9 08:54:49 nickpc dhcpd: Sending on Socket/fallback/fallback-net
Aug 9 08:54:49 nickpc dhcpd: For info, please visit http://www.isc.org/dhcp-con
trib.html
Aug 9 08:54:49 nickpc dhcpd:
Aug 9 08:54:49 nickpc dhcpd: Listening on LPF/eth0/00:c0:4f:87:9f:8d/202.40.215
.0
Aug 9 08:54:49 nickpc dhcpd: Sending on LPF/eth0/00:c0:4f:87:9f:8d/202.40.215
.0
Aug 9 08:54:49 nickpc dhcpd: Sending on Socket/fallback/fallback-net
Aug 9 08:54:49 nickpc dhcpd: dhcpd startup succeeded
Aug 9 08:56:42 nickpc dhcpd: DHCPINFORM from 202.40.215.36 via eth0
Aug 9 08:56:42 nickpc dhcpd: DHCPACK to 202.40.215.36
****** IS THIS WRONG? ******--^^^^^^^^^^^^^^^^^^^^^^^^
Aug 9 08:57:40 nickpc dhcpd: DHCPREQUEST for 202.40.215.43 from 00:c0:4f:87:9d:
51 via eth0: unknown lease 202.40.215.43.
Aug 9 08:57:42 nickpc dhcpd: no free leases on network 202.40.215.0 match 00:a0
:c9:e7:30:ac
Aug 9 08:57:46 nickpc dhcpd: no free leases on network 202.40.215.0 match 00:a0
:c9:e7:30:ac
Aug 9 08:57:52 nickpc dhcpd: BOOTREQUEST from 08:00:09:56:d6:10 via eth0: no av
ailable leases
Aug 9 08:57:55 nickpc dhcpd: no free leases on network 202.40.215.0 match 00:a0
:c9:e7:30:ac
Aug 9 08:58:10 nickpc dhcpd: no free leases on network 202.40.215.0 match 00:a0
:c9:e7:30:ac
Aug 9 08:59:13 nickpc dhcpd: DHCPREQUEST for 202.40.215.215 from 00:10:a4:f3:4a
:f5 via eth0: unknown lease 202.40.215.215.
Aug 9 08:59:13 nickpc dhcpd: DHCPINFORM from 202.40.215.215 via eth0
Aug 9 08:59:13 nickpc dhcpd: DHCPACK to 202.40.215.215
-----------------------------------------^^^^^^^^^^^^^^
****** SHOULD IT DHCPACK THIS ONE? *******
Aug 9 09:01:28 nickpc dhcpd: DHCPREQUEST for 202.40.215.181 from 00:c0:4f:87:7b
:12 via eth0: unknown lease 202.40.215.181.
[nicku@nickpc] ~
1011 $ rpm -q dhcp
dhcp-3.0b1pl0-1
I thought that the server should keep quiet except for the machine with
MAC address 00:60:b0:2c:4e:a0.
Sorry for my ignorance of the protocol, please correct me if I'm wrong.
--
Nick Urbanik, Dept. of Electrical & Communications Engineering
Hong Kong Institute of Vocational Education (Tsing Yi)
email: [EMAIL PROTECTED], [EMAIL PROTECTED]
Tel: (852) 2436 8660, (825) 2436 8674 Fax: (852) 2436 8643
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