03 June 2009 21:00
Wired troubleshooting
Wired troubleshooting
If you have a network connection which is not working properly, you can use a few tools to help diagnose what the problem is.
Most of the tools in this section require use of the Terminal, which you can open by pressing Applications → Accessories → Terminal.
Get information about the current connection
ifconfig is intended to allow you to change the settings of your network connections, but it can also be used to list information about the current connection.
1.
Press Applications → Accessories → Terminal to open a Terminal
2.
Type ifconfig eth1 in the Terminal and press Enter, replacing eth1 with the name of your network interface if it is different.
*
inet addr gives the current IP address of the connection
*
HWaddr gives the MAC address of your network device
03 June 2009 20:45
Chapter 5. Troubleshooting
Table of Contents
Wired troubleshooting
Get information about the current connection
Check if a connection is working properly
Wireless troubleshooting
Check that the device is on
Check for device recognition
Using Windows Wireless Drivers
Check for a connection to the router
Check IP assignment
Check DNS
IPv6 Not Supported
03 June 2009 20:30
DSL
Ubuntu Documentation > Ubuntu 9.04 > Internet and Networks > Connecting > DSL
DSL
1.
Right click the NetworkManager icon and click Edit connections...
2.
Click DSL.
3.
Click Add.
1
(3 marks)
