On Thursday 17 February 2005 12:36, Michael Hahn wrote:
SNIP
>>> 1/ In MandrakeControlCentre>Networl>ManageConnections is the interface
>>> static or DHCP? If you have selected DHCP you must have a DHCP server on
>>> your network.
>It is set up for DHCP, but the network it's on has a hardware router with a
>DCHP server.
>> >> What happens if you type 'service network restart' ? 
>
> eth1      Link encap:Ethernet  HWaddr 00:30:BD:B4:15:FD
>           BROADCAST MULTICAST  MTU:1500  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
>           Interrupt:22 Base address:0x2400
>
>
> Yes, there are two network cards installed. Both use the same chipset, and
> nether works. For the moment, the network is plugged into eth1.
>
SNIP

The fact that ifconfig gives a display for eth1 tells us that the driver is 
loading and recognises the card. However the card is not getting an IP 
address from the DHCP server.

I assume this interface works OK in Windows so we can assume the cabling is 
OK, and that the DHCP server does work.

With some routers I have seen in the past the router has to be power cycled 
before the DHCP server will assign an IP address to a Linux computer which 
has recently been used with Windows. Can you confirm you still have the 
problem if the router is switched off and on?
(No need to reboot your computer. This isn't Windows, 'service network 
restart' is all you need.)

Can you try choosing a static address just to eliminate any issue with the 
DHCP server?  Pick a unique address on the same subnet as the router. There 
should not be any need to alter your router configuration. It will not care 
if you use a static address.
With a static address can you 'ping' the router?
(ping xxx.xxx.xxx.xxx  where xxx.xxx.xxx.xxx is the IP address of the router. 
Ctl C will stop the pings)
If that works do not be surprised if you still cannot reach the internet. With 
static addressing it is also required to define a default gateway and DNS 
server addresses. The router is the 'default gateway', and your ISPs help 
page will list the IP address of their DNS servers.

BTW: If your Mandrake firewall is enabled, it is best to disable it until you 
get the interfaces working.

derek
-- 
www.jennings.homelinux.net
http://twiki.mdklinuxfaq.org

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