trouble configuring networking RHEL4 dell optiplex 280

[Bill Medland]

On June 15, 2006 09:03 am, redmond m. wrote:
> i'm having trouble configuring networking on a dell optiplex
> 280. the os i'm trying to install is RHEL4.

Strange.  I'm running RHEL4 on a 270 with no difficulty and 
everything worked automatically.

> i've tried 
> configuring a static hostname and networking configuration
> manually by editing /etc/sysconfig/network
> /etc/sysconfig/ifcfg-eth0 /etc/hosts /etc/resolv.conf. i've
> also wiped the machine and entered the required network
> information in the graphical install. the result is the same:
> i can't ping out to google.com or an ip address.
>
> i've also tried configuring the machine as dhcp instead of
> static ip and hostname - the result is the same, no network
> connection.
>
> i've verified that my port works - i take the ethernet cable
> and plug it into my laptop and it works.
>
> i've double checked my network settings, they are identical to
> a known working system.
>
> eth0 shows up in the rhel graphical install, so i'm assuming
> my card is supported. my card is Integrated 10/100/1000
> Network Card on a dell optiplex gx280. the redhat hardware
> site is down so i couldn't confirm this. this is a pretty
> standard hardware setup, so i'm fairly certain the card is
> supported.
>
> are there any sites to configure networking on rhel4? i've
> been using the rhel4 manuals. is there anything else i should
> check?

what happens when you ping?
Is the firewall in the way?  I would turn off the iptables for a 
moment and use tcpdump to see if it gave me any clues.

-- 
Bill Medland
mailto:billmedland at mercuryspeed.com