[CentOS] working dhcpd.conf with routes
Rob Kampen
rkampen at reaching-clients.com
Mon Jun 11 22:32:56 UTC 2012
On 06/12/2012 10:05 AM, Boris Epstein wrote:
> On Mon, Jun 11, 2012 at 5:51 PM, Rob Kampen<rkampen at kampensonline.com>wrote:
>
>> On 06/12/2012 09:14 AM, Boris Epstein wrote:
>>
>>> Hello listmates,
>>>
>>> I am running DHCPD for IPv4 on a Centos 5 machine. I am wondering if
>>> anyone
>>> has got a functional dhcpd.conf configuration serving static routes to
>>> Linux, Mac OS X and Windows clients.
>>>
>>> I tried a couple of variations of static-routes options - but have yet to
>>> create something that would work.
>>>
>> Use this:
>> ddns-domainname "mydomainname.com";
>> ddns-update-style interim;
>> ddns-rev-domainname "in-addr.arpa";
>> ddns-updates on;
>> ignore client-updates;
>>
>> key DHCP_UPDATER {
>> algorithm hmac-md5;
>> secret xxxxxxxxxxxxxxxxxxxxxxxxxxxx;
>> };
>>
>> zone mydomainname.com. {
>> primary 192.168.1.10;
>> key DHCP_UPDATER;
>> }
>>
>> zone 1.168.192.in-addr.arpa. {
>> primary 192.168.1.10;
>> key DHCP_UPDATER;
>> }
>>
>> subnet 192.168.1.0 netmask 255.255.255.0 {
>> authoritative;
>> # --- default gateway
>> option routers 192.168.1.1;
>> option subnet-mask 255.255.255.0;
>> option nis-domain "mydomainname.com";
>> option domain-name "mydomainname.com";
>> option domain-name-servers 192.168.1.1 , 192.168.1.2 ;
>> option time-offset -18000;
>> option ntp-servers 192.168.1.2;
>> option netbios-name-servers 192.168.1.10;
>> range dynamic-bootp 192.168.1.64 192.168.1.127;
>> default-lease-time 21600;
>> max-lease-time 43200;
>> }
>> # we want the nameserver to appear at a fixed address
>> host iPhone {
>> next-server iPhone.mydomainname.com;
>> hardware ethernet 00:24:36:49:42:81;
>> fixed-address 192.168.1.192;
>> }
>> host Australia {
>> next-server australia.mydomainname.com;
>> hardware ethernet 00:24:8c:81:0c:15;
>> fixed-address 192.168.1.202;
>> }
>> host D610 {
>> next-server D610.mydomainname.com;
>> hardware ethernet 00:90:4b:c7:54:fb;
>> fixed-address 192.168.1.201;
>> }
>>
>> Hope this helps
>>
>>
>>
> Rob,
>
> Thanks, looks good. But what part of it deals with static routes for
> particular networks? All I see is one default gateway:
>
> option routers 192.168.1.1;
The subnet ip4address/mask {.......} defines the information that is
available to the clients for that subnet.
The host clientname { .....} defines the static ip address and name to
be used for a given ethernet.
>
> Boris.
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