[olug] AAARRRRGGGHHHH!!!! (More DHCP)

[Jason Ferguson]

To take advantage of the main feature of DHCP: to be able to throw any 
machine onto the network at any time and not have to configure it. Im 
using the standard 192.168.1.x netblock on my internal net.

Jason

Brian Roberson wrote:

> do you really have enough machines behind the linux box to need a dhcp
> server? why dont you simply use a private net block, such as 192.168.x.x ?
> 
> 
> 
> ----- Original Message -----
> From: "Jason Ferguson" <jferguson3 at home.com>
> To: <olug at bstc.net>
> Sent: Thursday, March 22, 2001 9:12 PM
> Subject: Re: [olug] AAARRRRGGGHHHH!!!! (More DHCP)
> 
> 
> 
>> Okay, to answer:
>> 
>> Phil Brutsche wrote:
>> 
>> 
>>>> Now, here is my dhcpd.conf file
>>>> ----------------------
>>>> default-lease-time 600;
>>>> max-lease-time 7200;
>>>> 
>>>> option subnet-mask 255.255.255.0;
>>>> topion broadcast-address 192.168.1.255;
>>>> option routers 192.168.1.1;
>>>> 
>>>> option domain-name-servers 24.3.232.33, 24.3.232.34;
>>>> 
>>>> option domain-name "blvue1.ne.home.com";
>>>> 
>>>> subnet 192.168.1.0 netmask 255.255.255.0
>>>> {
>>>>    range 192.168.1.105 192.168.1.250;
>>>> }
>>> 
>>> That should work fine.  Let's check some simple things first.
>>> 
>>> 1) Is dhcpd listed when you run "ps aux" on the Linux firewall?
>> 
>> Yes.
>> 
>> 
>>> 2) What does the DHCP client do when you try to get an IP number?
>> 
> Having
> 
>>>    around that actually *tells* you what's going on (ie not MacOS or
>>>    Windows) is valuable in this situation.
>> 
>> okay, something like this (Im going from memory, I have to reconfigure
>> back to the Linksys thingee to get back online):
>> 
>> DHCPREQUEST .... interval X
>> DHCPDISCOVER ... interval X
>> DHCPDISCOVER ... interval X
>> 
>> (Is that enough info?)
>> 
>> 
>>> 3) What sort of ipchains rules (I'm assuming that you're using 2.2.x)
>> 
> does
> 
>>>    the Linux firewall have?  Can you list them?
>> 
>> No firewall rules are configured yet.  I wanna get the hosts networked
>> and pinging each other before adding another layer of complexity with
>> the firewall script.
>> 
>> Now, Im tempted to say this isnt really a DHCP problem... last night the
>> hosts couldnt ping each other.  I cant say for SURE its not DHCP though,
>> but it could be route too. I do NOT know how to use route at the moment.
>> 
>> 
>>> - --
>>> - ----------------------------------------------------------------------
>>> Phil Brutsche pbrutsch at creighton.edu
>>> 
>>> GPG fingerprint: BDA4 C23C 1989 31FF CBE8  7EB4 6CA7 9636 941E 8451
>>> GPG key id: 941E8451
>>> GPG public key: http://www.creighton.edu/~pbrutsch/public-key.asc
>>> -----BEGIN PGP SIGNATURE-----
>>> Version: GnuPG v1.0.4 (GNU/Linux)
>>> Comment: Made with pgp4pine
>>> 
>>> iD8DBQE6urLBbKeWNpQehFERAgu5AJ41KWnHuymNs55qQ3vCzGIijsjhMACePkVC
>>> NIEgoIjjdeguax59eL6w0Es=
>>> =izab
>>> -----END PGP SIGNATURE-----
>>> 
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>> 
>> 
>> --
>> "That as we enjoy great advantages from others, we should be glad of an
> 
> opportunity to serve others by any invention of ours; and this we should do
> freely and generously." - Benjamin Franklin, 1742,
> 
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-- 
"That as we enjoy great advantages from others, we should be glad of an opportunity to serve others by any invention of ours; and this we should do freely and generously." - Benjamin Franklin, 1742,


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