MAC to IP assignment not working - dhcprelay
Edwin Whitelaw
Edwin.Whitelaw at nrvunwired.net
Tue Apr 24 16:34:51 UTC 2007
I'm in the process of migrating some distributed DHCP servers from
standalone to a relay environment using a central DHCP host.
I've successfully configured the central DHCP server to respond to the
relay request but the address issued is coming from the range settings
rather than the mapped assignment in an include file that matches the
MAC and issues specific IPs based thereon. It works fine on the remote
box when in standalone mode but somehow isn't being used when included
on the central DHCP server. the include file was copied directly from
the remote box.
The central DHCP server restarts w/o errors or complaints as does the
remote unit when starting the relay process.
Any ideas as to why the MAC--IP matching in the included file are not
controlling the IP assignment?
Debian, dhcp3-server v3.0.4-13
Thanks,
Edwin
----dhcpd.conf snippet----
.
.
.
# Network for dhcprelay from Stanley
subnet 172.17.20.0 netmask 255.255.255.0 {
range 172.17.20.201 172.17.20.250;
default-lease-time 3600;
max-lease-time 3600;
option routers 172.17.20.1;
option broadcast-address 172.17.20.255;
option subnet-mask 255.255.255.0;
} # End of subnet 172.17.20.0
subnet 172.16.20.0 netmask 255.255.255.0 { # Network devices
option routers 172.16.20.1;
default-lease-time 3600;
max-lease-time 3600;
option broadcast-address 172.16.20.255;
option subnet-mask 255.255.255.0;
} # End of subnet 172.16.20.0
include "/etc/dhcp3/ap/stanley-ap.dhcp"; # 172.X.20
.
.
.
-----end dhcpd.conf snippet-----------
-----stanley-ap.dhcp--------
group stanley {
min-lease-time 604800 ; # 1 week
max-lease-time 604800 ; # 1 week
default-lease-time 604800 ; # 1 week
host west-cb3 {
hardware ethernet 00:02:6f:37:ba:7b;
fixed-address 172.16.20.11;
}
host west-linksys {
hardware ethernet 00:18:39:6b:7d:80;
fixed-address 172.17.20.11;
}
host obryan-cb3-15g {
hardware ethernet 00:02:6f:3a:af:53;
fixed-address 172.16.20.12;
}
host obryan-wrt54g {
hardware ethernet 00:11:95:25:9d:04;
fixed-address 172.17.20.12;
}
host kenley-cb3-16y {
hardware ethernet 00:02:6f:46:11:cd;
fixed-address 172.16.20.13;
}
host kenley-trendnet {
hardware ethernet 00:40:f4:e7:95:77;
fixed-address 172.17.20.13;
}
} # End group
---------end stanley-ap.dhcp----
--
<=+=+=+==+=+=+==+=+=+=+=+=+=+=+=>
Edwin Whitelaw, P.E.
New River Valley Unwired, LLC
2200 Lonesome Dove Dr
Christiansburg, VA 24073
540-239-0318
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