Jeff,
i think you are right, but our team roll out the possibility of setting up
another DHCP server.
After spent hours on the dhcrelay3 and bcrelay, i gave up.(I followed
http://r3dux.org/2009/09/how-to-make-virtualbox-use-your-routers-dhcp-to-get-an-ip-address-in-linux/as
i cannot find good docs on DHCP for uml using dhcrelay etc.)
Linux has a huge problem on clear & good instructions for normal users.I have
been coding for 15 years and i cannot make DHCP to work for 1+ week.
Checking around, many senior linux friends never touched UML.
I'm using static ip for uml now to catch up with the schedule.Would appreciate
if you have good step-by-step instructions.
Thanks very much !
> Date: Wed, 30 Nov 2011 20:42:29 -0500
> From: jd...@addtoit.com
> To: nin...@hotmail.com
> CC: anto...@nagafix.co.uk; user-mode-linux-user@lists.sourceforge.net
> Subject: Re: [uml-user] Cannot bringup DHCP (2.6.39 kernel + Debian 5.0
> rootfs)
>
> The thing about DHCP is that the protocol is confined to an ethernet
> broadcast domain, and a TUN/TAP connection to the host is a separate
> broadcast domain from the LAN. It's a private ethernet with two hosts
> on it.
>
> DHCP will work if one of the following is true:
> The DHCP server is the UML host and dhcpd is listening on the
> TAP device
> a DHCP forwarder, like dhcrelay, is running on the host
> UML is bridged to the host's eth
>
> The bridging option puts the UML on the LAN on a par with any physical
> system on the ethernet.
>
> Jeff
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