[Redhat] - Network problem

["Colin Price (EML)" <Colin Price eml ericsson se>]

I have a network problem - 'It doesn't work'
More specifically .....

============================================================================================
- System bits:
	[root inbasdev6 /root]# uname -a
	Linux inbasdev6.ericsson.se 2.2.5-15 #1 Mon Apr 19 23:00:46 EDT 1999 i686 unknown        

- Bringing it up :
	[root inbasdev6 /root]# /etc/rc.d/init.d/network start
	Bringing up interface lo                                 [  OK  ]
	Bringing up interface eth0
	Determining IP information for eth0...Operation failed.
	 failed. 						 [FAILED] 

- Display from /var/log/messages:
	Aug 11 17:20:53 inbasdev6 network: Bringing up interface lo succeeded
	Aug 11 17:20:53 inbasdev6 ifup: Determining IP information for eth0...
	Aug 11 17:21:23 inbasdev6 kernel: eth0: Tx Ring full, refusing to send buffer.
	Aug 11 17:21:53 inbasdev6 ifup: Operation failed.
	Aug 11 17:21:53 inbasdev6 ifup:  failed.
	Aug 11 17:21:53 inbasdev6 network: Bringing up interface eth0 failed 

- Individual thingy's:
	[root inbasdev6 /root]# ifconfig
	lo        Link encap:Local Loopback
	          inet addr:127.0.0.1  Mask:255.0.0.0
	          UP LOOPBACK RUNNING  MTU:3924  Metric:1
	          RX packets:328 errors:0 dropped:0 overruns:0 frame:0
	          TX packets:328 errors:0 dropped:0 overruns:0 carrier:0
	          collisions:0 txqueuelen:0
	
	[root inbasdev6 /root]# ifconfig eth0 up
	[root inbasdev6 /root]# ifconfig
	eth0      Link encap:Ethernet  HWaddr 00:50:04:02:FE:E2
	          UP BROADCAST DEBUG NOTRAILERS RUNNING  MTU:1500  Metric:1
	          RX packets:121 errors:0 dropped:0 overruns:0 frame:0
	          TX packets:23 errors:0 dropped:0 overruns:0 carrier:1
	          collisions:0 txqueuelen:100
	          Interrupt:10 Base address:0xe800
	
	lo        Link encap:Local Loopback
	          inet addr:127.0.0.1  Mask:255.0.0.0
	          UP LOOPBACK RUNNING  MTU:3924  Metric:1
	          RX packets:328 errors:0 dropped:0 overruns:0 frame:0
	          TX packets:328 errors:0 dropped:0 overruns:0 carrier:0
	          collisions:0 txqueuelen:0

	[root inbasdev6 /root]# ifup eth0 up
	Determining IP information for eth0...Operation failed.
	 failed.

	[root inbasdev6 /root]# pump -i eth0
	Operation failed. 
=========================================================================================

Are there any guidelines, etc. I seem to be a little lost since it's always been simple to connect to the network.

Thank you in advance for any aid.
Colin PRICE.