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From: Baptiste SIMON (simon_at_codelutin.com)
Date: Thu 14 Aug 2003 - 17:17:57 BST


Hi,

I'm trying to set up a DHCP server working into a vserver. I know it can
be a little difficult. I've followed the advises given in the FAQ. But
my dhcp server still doesn't want to start...

Let's take a look at my configuration :

- I'm running Debian GNU/Linux for this vserver
- I've installed dhcp3-server
- The result of a "ifconfig" :

# ifconfig
eth0 Link encap:Ethernet HWaddr 00:50:BA:BE:1E:F2
           inet6 addr: 2001:7a8:4b09:1:250:baff:febe:1ef2/64 Scope:Global
           inet6 addr: fe80::250:baff:febe:1ef2/64 Scope:Link
           UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
           RX packets:110107 errors:0 dropped:0 overruns:0 frame:0
           TX packets:97171 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:100
           RX bytes:67840240 (64.6 MiB) TX bytes:65085672 (62.0 MiB)
           Interrupt:11 Base address:0xe000

eth0:dhcp Link encap:Ethernet HWaddr 00:50:BA:BE:1E:F2
           inet addr:192.168.0.204 Bcast:255.255.255.255
Mask:255.255.255.0
           UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
           Interrupt:11 Base address:0xe000

lo Link encap:Local Loopback
           inet6 addr: ::1/128 Scope:Host
           UP LOOPBACK RUNNING MTU:16436 Metric:1
           RX packets:28289 errors:0 dropped:0 overruns:0 frame:0
           TX packets:28289 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:1693722 (1.6 MiB) TX bytes:1693722 (1.6 MiB)

(a little of-topic question : I can see my global IPv6 addresses for
eth0... can I hide it and block it for the vserver ?)

- When I'm trying to launch the DHCP server :

# /usr/sbin/dhcpd3 -d eth0:dhcp
Internet Software Consortium DHCP Server V3.0.1rc9
Copyright 1995-2001 Internet Software Consortium.
All rights reserved.
For info, please visit http://www.isc.org/products/DHCP
unable to create icmp socket: Operation not permitted
Wrote 0 leases to leases file.

No subnet declaration for eth0:dhcp (0.0.0.0).
** Ignoring requests on eth0:dhcp. If this is not what
    you want, please write a subnet declaration
    in your dhcpd.conf file for the network segment
    to which interface eth0:dhcp is attached. **

Not configured to listen on any interfaces!

- My config file for the DHCP server :

# cat /etc/dhcp3/dhcpd.conf
ddns-update-style none;

default-lease-time 600;
max-lease-time 7200;
option subnet-mask 255.255.255.0;
option broadcast-address 192.168.0.255;
option routers 192.168.0.1;
option domain-name-servers 192.168.0.1;
option domain-name "mydomain.tld";
authoritative;

subnet 192.168.0.0 netmask 255.255.255.0
{
    range 192.168.0.240 192.168.0.254;
}

- the configuration of my vserver :

# cat /etc/vservers/dhcp.conf
IPROOT=192.168.0.204
IPROOTDEV=eth0
IPROOTBCAST=255.255.255.255
ONBOOT=no
S_HOSTNAME=dhcp

What do I have to do make this DHCP server working ? Why does ping
disabled ? ... :c)

Thanks in advance,

-- 
Baptiste SIMON
Administrateur système GNU/Linux & Unix
Societe Code Lutin
http://www.codelutin.com


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