No IP on boot

Cesar Covarrubias cesar at uci.edu
Fri Apr 14 21:50:50 UTC 2006


On Fri, 2006-04-14 at 14:41 -0700, Allen K. Smith wrote:
> * Interface is configured to not come up on boot. what does the /etc/sysconfig/network-scripts/ifcg-ethX file look like?

DEVICE=eth0
BOOTPROTO=dhcp
HWADDR=00:30:1B:3E:46:1D
ONBOOT=yes
TYPE=Ethernet
> 
> * Some failure to negotiate link the first time. What does dmesg say re: ethX
> divert: allocating divert_blk for eth0

eth0: RealTek RTL8139 at 0xb000, 00:30:1b:3e:46:1d, IRQ 10
eth0:  Identified 8139 chip type 'RTL-8100B/8139D'
eth0: link up, 100Mbps, full-duplex, lpa 0x41E1
eth0: no IPv6 routers present
eth0: link up, 100Mbps, full-duplex, lpa 0x41E1
eth0: no IPv6 routers present
eth0: link down
eth0: link up, 100Mbps, full-duplex, lpa 0x41E1

> * Router is a switch and is not bringing the link all the way up until spanning tree or some other L2 discovery protocol times out. If you are connecting into a switch, tell the switch that this port is connected to an end station.
> 
> Good luck,
> -Allen
> 
> On Friday 14 April 2006 14:30, Cesar Covarrubias wrote:
> > Hello,
> > 
> > I have installed RHEL 4 U2 AS on a new machine. The problem I am having
> > is that when I boot the machine, I won't get an IP from the router. I
> > have to unplug the cable from the nic or the router, plug it back in,
> > and ifconfig it up. Any ideas why It would do this? 
> > -- 
> > Very Respectfully,
> > Cesar Covarrubias
> > cesar at uci.edu
> > 
> 
-- 
Very Respectfully,
Cesar Covarrubias
Distributed Computing Support
Network and Academic Computing Services
University of California Irvine
949-824-6612
cesar at uci.edu




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