On Thu, 2009-01-29 at 10:24 +1100, Simon Slater wrote:
> Hi all. The last few days I've attempted to setup a DHCP server
> on our small SOHO network, and went round in a big circle to where I
> started.
>
> What I would like to achieve is:
>
> /-> eth0 192.168.1.? -> DSL router 192.168.1.254 -> internet.
> Server \
> (dell.local)\->eth1 192.168.1.1 -> LAN
>
> To begin with the Linksys router was serving addresses so I
> turned this function off. From the sample .conf, various howtos and
> posts to this list I came up with a very simple dhcpd.conf which could
> be added to later as extra functionality is needed, as follows:
>
> [root@dell ~]# cat /etc/dhcpd.conf
> #Sample /etc/dhcpd.conf
> # (add your comments here)
> default−lease−time 600;
> max−lease−time 7200;
> option subnet−mask 255.255.255.0;
> option broadcast−address 192.168.1.255;
> option routers 192.168.1.254;
> #option domain−name−servers 192.168.1.1, 192.168.1.2;
> #option domain−name "mydomain.org";
> authoritative;
> subnet 192.168.1.0 netmask 255.255.255.0 {
> range 192.168.1.100 192.168.1.199;
>
> host dell.local {
> hardware ethernet 00:1F:1F:09:38:A2;
> fixed-address 192.168.1.1;
> }
>
> }
> [root@dell ~]#
>
> The first problem is, should eth0 take an address via dhcp or be
> set one? Should it be bound to a MAC address in the dhcpd.conf? Does
> this file look okay?
>
> The second situation is that:
>
> [root@dell ~]# service dhcpd start
> Starting dhcpd: [FAILED]
> [root@dell ~]#
>
> with a Selinux denial:
>
> SELinux is preventing dhcpd (dhcpd_t) "read write" unconfined_t.
>
> with SEtroubleshooter giving no suggestions for a fix. How should I
> progress here?
>
> I have set things back to the way they were after install ( I
> think). The /var/lib/dhcpd.leases file exists. Ports 67 & 68 are
> allowed through the firewall and all eth* devices are trusted (using
> system-config-firewall). Any advice will be most thankfully welcomed.
----
if Dell.local is your dhcp server, don't include it in dhcp but fix it's
ip address in setup (system-config-network).
thus, I would remove this section...
host dell.local {
hardware ethernet 00:1F:1F:09:38:A2;
fixed-address 192.168.1.1;
}
lease time is really short, probably would recommend that you increase to 3600
I think you need to declare ddns-update-style which at this point, might just as well be none.
as for SELinux, I would suspect that 'restorecon /etc/dhcpd.conf' should do the trick.
Craig
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