Documentation Networking Beat

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== Consistent network device naming ==
 
 
Fedora 18 continues previous releases' use of '''biosdevname''' to set network device names in a deterministic manner. Ethernet ports embedded on server motherboards will be named <code>em<port_number></code>, while ports on PCI cards will be named <code>p<slot_number>p<port_number></code>, corresponding to the chassis labels. This feature may be disabled by passing <code>"biosdevname=0"</code> on the kernel command line, in which case, behavior will revert to using ethX names.
 
 
== better network security with firewalld ==
 
'''firewalld''' will be the default firewall solution for Fedora 18, replacing '''iptables'''.  Using '''firewalld'''will allow for application of policy changes without reloading, allowing connection states to stay unbroken when rules are changed.
 
 
A D-BUS interface allows approved applications to communicate status and present complex or temporary needs to the firewall without requiring hand configuration by an administrator. This improves support for dynamic environments like libvirtd, which previously had to be restarted when iptables rules were changed.
 
 
Manual administration can be done with firewall-cmd. Documentation on firewalld can be found in the included manpages, firewall-cmd(1), firewalld(1), firewalld.conf(5), firewalld.icmptype(5), firewalld.service(5), firewalld.zone(5).
 
 
== Team Driver improves NIC bonding ==
 
Fedora 18 includes Team Driver which facilitates grouping of multiple network interfaces together so they act like a single network interface. This extends teaming possibilities provided by existing bonding driver. It also provides userspace driven, modular alternative to bonding driver. Usage information can be found in man teamd.conf(5), man teamd(8), and man teamdctl(8).
 
  
 
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Revision as of 23:57, 21 January 2013

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