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Network configuration, troubleshooting

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Here are common problems with setting up the network, and solutions.
 
  
==etc/==
 
Except for a few exceptions, be sure that custom ''[[etc/]]'' settings are located under ''/usr/local/etc/''. /etc configurations can be updated by running processes. This explains why functionality can break, and may have to be updated if only relying on network configuration files in ''/etc'' .
 
 
===rc.conf===
 
''[[rc.conf]] is an exception and it belongs in ''/etc'' to be customized by the user.
 
 
Be sure to have the lines:
 
defaultrouter="192.168.[your gateway ip address here]"
 
hostname="[your computer's host name]"
 
 
To check your hostname, you may type at the command line:
 
# uname -a
 
 
These are common settings used for a wireless card; [[WPA Supplicant]] is used here:
 
wlans_ath0="wlan0"
 
ifconfig_wlan0="WPA DHCP"
 
 
===hosts===
 
Edit the file at /usr/local/etc/hosts
 
 
The commented out line in ''[[hosts]]'' is artificially added here for explanation:
 
#gateway ip    localhost    localhost.namedgateway
 
192.168.x.x    localhost    localhost.yourgatewayname.com
 
#the localhost variable can optionally be replaced with the name of your computer
 
 
===resolv.conf===
 
Edit the file /usr/local/etc/[[resolv.conf]] . A line containing "DNS" may have to be commented out from it, depending on your hardware.
 
resolv.conf should look something like this:
 
search gateway.yourgateway.com    # search + gateway. and the word name of your gateway ("gateway" is its localhost)
 
nameserver 192.168.x.x            # nameserver + numerical ip of gateway
 
 
 
==See also==
 
* [[Gateway]]
 
* [[Network Configuration (basic)]]
 
* [[Network Configuration (manual)]]
 
* [[Network Configuration (Advanced)]]
 
* [[Network Address Translation]]
 
 
==References==
 
* Thanks to those who both ask and help answer relevant questions at FreeBSD related forums.
 
 
[[Category:Configuring FreeBSD]]
 
[[Category:FreeBSD for Servers]]
 
[[Category:Important Config Files]]
 

Revision as of 09:18, 22 December 2014

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