Help required for configuring FreeBSD with DHCP

Ricardo Jesus ricardo.meb.jesus at
Tue Mar 10 08:22:37 PDT 2009

"Remorque" wrote:
> On Tue, Mar 10, 2009 at 4:53 PM, Ricardo Jesus
> <ricardo.meb.jesus at>wrote:
>> manish jain wrote:
>>> Hi all,
>>> I have a dual boot system (FreeBSD 7.1 + Windows 2000).
>>> I am trying out FreeBSD for the first time with an ISP who runs a DHCP
>>> server. Until the times of static addresses, everything was so simple in
>>> FreeBSD. Now I am forced to ask for help because the ISP is willing to help
>>> only for Windows. And indeed my Windows 2000 is sailing the internet
>>> smoothly enough, so I can't really blame him.
>>> I am using a Realtek 8139D NIC on an x86 system. When I ask sysinstall to
>>> configure rl0, it asks me whether I want to use DHCP. When I say yes, it
>>> still gives me the same form to fill out as it does for static IP addresses.
>>> I don't have any idea how to fill out this form when DHCP is being used.
>>> Please note that on Windows, the following are enabled :
>>> 1) Obtain an IP address automatically
>>> 2) Obtain DNS server address automatically
>>> Everything else (IP address/Default dateway/etc) is greyed out. Can anyone
>>> please tell me how to get my FreeBSD system up on DHCP. The only other piece
>>> of information I can provide is the hostname I have been using so far :
>>> unxfbsdi.freebsd.localdomain
>>> Thanks in advance for any help.
>>> Regards
>>> Manish Jain
>>> invalid.pointer at
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>>>  I think Realtek 8139D fall into re(4) driver, but do take a look at dmesg
>> | less to confirm this.
>> To display the current configuration for the network interfaces on your
>> system run:
>> % ifconfig
>> You need to edit rc.conf and add the following to have the network card
>> configured at boot time:
>> ifconfig_re0="DHCP"
>> To configure the card from the command line simply run:
>> # ifconfig re0 dhcp
> I would do:
> dhclient re0
> Is the behaviour the same?
I guess so.

If rc.conf is set up with the line ifconfig_rl0="DHCP" then it is no 
need to run the dhclient command manually.

For 8139D the correct driver is rl as Michael Powell pointed out in his 

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