Ubuntu network configuration

bruce.labitt at autoliv.com bruce.labitt at autoliv.com
Wed Oct 8 14:52:39 EDT 2008


I'm slowly getting things running on my ubuntu based system.  I have a few 
network questions.
I have two NICs, one to the corporate network, and a local one that only 
runs to a blade computer.
eth0 is set up as dhclient.  No issues there.

I need eth1 to be a dhcp server.  So I installed dhcp3. 
I editted /etc/default/dhcp3-server to include the line INTERFACES="eth1". 
 

The contents of /etc/dhcp3/dhcpd.conf are:

allow bootp;
ddns-update-style interim;
default-lease-time 60000;
option domain-name-servers 192.168.3.1;
subnet 192.168.3.0 netmask 255.255.255.0 {
host bch-amm {
        hardware ethernet xx.xx.xx.xx.xx.xx;
        fixed-address   192.168.3.99;
}
host qs22-001 {
        hardware ethernet       yy.yy.yy.yy.yy.yy;
        filename                "qs22-001-nfsroot-2.6.22-1.ydl.1.img";
        fixed-address   192.168.3.100;
{

option routers          192.168.3.1;
option subnet-mask      255.255.255.0;
filename                        "ydl-cell.img";
next-server                     192.168.3.1;
allow bootp;
range dynamic-bootp     192.168.3.2 192.168.3.98;
}

I see there are two allow bootp's.  Which one do I take out?  Is there 
anything else wrong? 

I am attempting to run atftpd also.  The contents of /etc/default/atftpd 
is:

USE_INETD=true
OPTIONS="--daemon --port 69 --tftpd-timeout 300 --retry-timeout 5 
--mcast-port 1758 --mcast-addr 239.239.239.0-255 --mcast-ttl 1 --maxthread 
100 --verbose=5 /tftpboot"

I would expect that I need to edit the 239.239. . address to be = 
192.168.3.0-255?  anything else?  I read on ubuntugeek that some 
recommended that USE_INETD=false.  Why would that be?

-Bruce

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