Clients not requesting address
Wolfgang Zweimueller
w.zweimueller at salk.at
Wed Sep 1 13:06:53 UTC 2010
Dear List!
I have a weird situation where PXE-clients most of the time do not
request an offered IP-address. Maybe one can give a hint where or how
to search.
My setup: we run a failover system on two RedHat server with 4.1.1 for
a lot of /24 nets. Some of them are dynamic only and some are fixed
addresses only. (I have never deleted the lease-file ;-)
For PXE there is another server which offers the PXE-specific boot
info. This is done via forwarder config on the router.
Here's an example where a client gets an address at first attempt and
after reboot it does not request the offer:
Sep 1 13:46:28 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:28 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:28 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:28 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:28 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:28 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:28 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:28 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:30 u1ru169 dhcpd: DHCPREQUEST for 192.168.102.152 (192.168.102.179) from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:30 u1ru169 dhcpd: DHCPACK on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:30 u1ru169 dhcpd: DHCPREQUEST for 192.168.102.152 (192.168.102.179) from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:30 u1ru169 dhcpd: DHCPACK on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:30 u1ru169 dhcpd: DHCPREQUEST for 192.168.102.152 (192.168.102.179) from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:30 u1ru169 dhcpd: DHCPACK on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:30 u1ru169 dhcpd: DHCPREQUEST for 192.168.102.152 (192.168.102.179) from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:30 u1ru169 dhcpd: DHCPACK on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:30 u1ru169 dhcpd: bind update on 192.168.11.49 from lkh rejected: incoming update is less critical than outgoing update
Sep 1 13:46:42 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:42 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:42 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:42 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:42 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:42 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:42 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:42 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:44 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:44 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:44 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:44 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:44 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:44 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:44 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:44 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:48 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:48 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:48 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:48 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:48 u1ru169 dhcpd: DHCPDISCOVER from 00:1e:0b:64:37:39 via eth0
Sep 1 13:46:48 u1ru169 dhcpd: DHCPOFFER on 192.168.102.152 to 00:1e:0b:64:37:39 via eth0
The corresponding config for this host is:
,----
| subnet 192.168.102.0 netmask 255.255.255.0 {
| pool {
| failover peer "lkh";
| range 192.168.102.0 192.168.102.0;
| option routers 192.168.102.242;
| option domain-name "kliniken.lks.local";
| option domain-search "lksdom21.lks.local", "kliniken.lks.local";
|
| host C1SV119 {
| hardware ethernet 00:1E:0B:64:37:39;
| fixed-address 192.168.102.152;
| option host-name "C1SV119";
| }
| }
| }
`----
Many thx in advance,
Wolfgang
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