Operation Manual

ifup. Choose Never to not start the device at all. The On NFSroot is similar to
At Boot Time, but the interface does not shut down with the rcnetwork stop
command. Use this if you use an nfs or iscsi root le system.
3
Click Next.
4
To activate the conguration, click OK.
Usually, only the system administrator can activate and deactivate network interfaces.
If you want any user to be able to activate this interface via KInternet, select Enable
Device Control for Non-root User via Kinternet.
Setting Up Maximum Transfer Unit Size
You can set a maximum transmission unit (MTU) for the interface. MTU refers to the
largest allowed packet size in bytes. A higher MTU brings higher bandwidth efciency.
However, large packets can block up a slow interface for some time, increasing the lag
for further packets.
1
In YaST select a card from the list of detected cards in Network Devices > Network
Settings and click Edit.
2
In the General tab, select the desired entry from the Set MTU list.
3
Click Next.
4
To activate the conguration, click OK.
Conguring the Firewall
Without having to enter the detailed rewall setup as described in Section “Conguring
the Firewall with YaST” (Chapter 14, Masquerading and Firewalls, ↑Security Guide),
you can determine the basic rewall setup for your device as part of the device setup.
Proceed as follows:
1
Open the YaST Network Devices > Network Settings module. In the Overview
tab, select a card from the list of detected cards and click Edit.
2
Enter the General tab of the Network Settings dialog.
Basic Networking 335