Wireless Perfect... Wired =Black Hole

[cavan]

Ok, Like everyone that posts on this forum, I am a complete newbie when it comes to ubuntu. I was finally tired of vista locking up and decided to scrap it and load ubuntu 9.10. Overall it is awesome. Wireless works perfectly, no video card issues 10000 times faster than vista, the best solution I ever did. But for some reason when I plug a network cord in and turn off wireless I have no connectivity. I have a Toshiba Satellite a205-s5800 and it seems like there is no clear area to find out information on it.

Any ideas?

[adam814]

A little more information might help. Could you post the output of "sudo lshw -C network"?

[cavan]

*-network
description: Ethernet interface
product: 88E8039 PCI-E Fast Ethernet Controller
vendor: Marvell Technology Group Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: 14
serial: 00:a0:d1:9d:dc:81
size: 10MB/s
capacity: 100MB/s
width: 64 bits
clock: 33MHz
capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=sky2 driverversion=1.23 duplex=half firmware=N/A latency=0 link=yes multicast=yes port=twisted pair speed=10MB/s
resources: irq:30 memory:f0000000-f0003fff ioport:2000(size=256)
*-network
description: Wireless interface
physical id: 1
logical name: wlan0
serial: 00:16:44:9b:24:9e
capabilities: ethernet physical wireless
configuration: broadcast=yes ip=192.168.1.201 multicast=yes wireless=IEEE 802.11bg


Wireless works fine... but wired network will not connect

[adam814]

Hmm...nothing too weird there. How about the output of "ifconfig eth0" and "route -n"?

[cavan]

brad@brad-laptop:~$ ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:a0:d1:9d:dc:81
UP 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:16
brad@brad-laptop:~$ route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 2 0 0 wlan0
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlan0
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 wlan0

[cavan]

still for some reason the network cables do not connect me to the internet, just wireless... I have tried the stupid stuff like switching network cables and ports on the switch and still nothing.

[adam814]

For starters you don't have an IP address on your eth0 interface. Are you using DHCP or static IP on your network? How are you connected exactly?

[Iowan]

Check Network Manager applet - there should be an "auto eth0" or something similar. See if it is set to "Connect automatically".

Another option would be to try (from a terminal):

sudo dhclient eth0

[cavan]

I attach through a normal DHCP router. I have one workgroup switch connected to a Wireless Router to a cable modem.

When I do: dhclient eth0
I get:

Internet Systems Consortium DHCP Client v3.1.2
Copyright 2004-2008 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

can't create /var/lib/dhcp3/dhcpclient.leases: Permission denied
SIOCSIFADDR: Permission denied
SIOCSIFFLAGS: Permission denied
SIOCSIFFLAGS: Permission denied
Open a socket for LPF: Operation not permitted

[adam814]

You have to run dhclient as a superuser. Try:

sudo dhclient eth0