[vox-tech] eth0 troubles

[Ken Bloom]

On Thu, Aug 12, 2004 at 12:30:10PM -0700, Karalius, Joseph wrote:
> 
> > -----Original Message-----
> > From: vox-tech-bounces at lists.lugod.org
> > [mailto:vox-tech-bounces at lists.lugod.org]On Behalf Of p at dirac.org
> > Sent: Thursday, August 12, 2004 11:49 AM
> > To: lugod's technical discussion forum
> > Subject: Re: [vox-tech] eth0 troubles
> > 
>         RX bytes:368680 (360.0 KiB)  TX bytes:368680 (360.0 KiB)
> > 
> > This looks perfectly OK.  It looks like you simply didn't 
> > configure your
> > network.  I would say the problem is _not_ hardware.  There doesn't
> > appear to be anything wrong with this device.
> > 
> > Please give the details of how this machine is hooked up to net.
> > 
> > Static IP?  DHCP?  What's your gateway?  Name servers?  You you
> > masquerading?  Or are you hooked directly to the net?
> > 
> 
> This machine is on our LAN with DHCP leased IP addresses.  The DHCP server
> is responding to other machines.  I'm using a tested port and cable.  Still
> no lights in back.
> 
> gateway	207.247.90.2
> nameservers	207.247.182.5
> 		207.247.85.5
> 
> Some more output:
> 
> mmagseq:~# more /etc/network/interfaces
> # Used by ifup(8) and ifdown(8). See the interfaces(5) manpage or
> # /usr/share/doc/ifupdown/examples for more information.
> 
> auto lo eth0
> iface lo inet loopback
> iface eth0 inet dhcp
>         gateway 207.247.90.2
> 
> 
> mmagseq:~# /etc/init.d/networking restart
> Setting up IP spoofing protection: rp_filter.
> Reconfiguring network interfaces...Internet Software Consortium DHCP Client
> 2.0pl5
> Copyright 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium.
> All rights reserved.
> 
> Please contribute if you find this software useful.
> For info, please visit http://www.isc.org/dhcp-contrib.html
> 
> Listening on LPF/eth0/00:0d:56:93:83:34
> Sending on   LPF/eth0/00:0d:56:93:83:34
> Sending on   Socket/fallback/fallback-net
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 10
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 10
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 13
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5
> No DHCPOFFERS received.
> No working leases in persistent database.
> 
> Exiting.
> 
> Failed to bring up eth0.
> done.
> 
> mmagseq:~# route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface

Is it possible that the DHCP server is only willing to give out IP
addresses to certain machines (based on MAC address for example), and
isn't willing to give out addresses to any machine that you might
decide to plug into the network?

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