Installation guide

Netlabel

9.2.2. Intra-Site Automatic Tunnel Addressing Protocol

Red Hat Enterprise Linux 6 features support for the Intra-Site Automatic Tunnel Addressing Protocol

(ISATAP). ISATAP is a protocol designed to assist in the transition from IPv4 to IPv6, by providing a

mechanism to connect IPv6 routers and hosts over IPv4 network infrastructure.

9.3. Netlabel

Netlabel is a new kernel-level feature in Red Hat Enterprise Linux 6 that provides network packet

labeling services for Linux Security Modules (LSMs). Labeling data packets using netlabel allows an

LSM to better enforce security requirements on incoming network packets.

9.4. Generic Receive Offload

The low-level network implementation in Red Hat Enterprise Linux 6 features Generic Receive Offload

(GRO) support. The GRO system increases the performance of inbound network connections by

reducing the amount of processing done by the CPU. GRO implements the same technique as the

Large Receive Offload (LRO) system, but can be applied to a wider range of transport layer protocols.

9.5. Wireless Support

Red Hat Enterprise Linux 6 contains enhanced support for wireless networking and devices. Support

for the wireless local area networking using the IEEE 802.11 set of standards has been improved, with

added support for 802.11n based wireless networking.

10. Desktop

10.1. Graphical Startup

Red Hat Enterprise Linux 6 introduces a new, seamless graphical boot sequence that commences

immediately after the hardware has initialized.

The new graphical boot sequence provides the user with simple visual feedback on the progress of the

system boot, and seamlessly switches to the login screen. The Red Hat Enterprise Linux 6 graphical

boot sequence is enabled by the Kernel Modesetting feature and is available on ATI, Intel and NVIDIA

graphics hardware.

Note

System Administrators are still able to view detailed progress of the boot sequence by pressing

the F11 key at any time during the graphical boot.

10.2. Suspend and Resume

Suspend and resume is a current feature in Red Hat Enterprise Linux that allows a machine to

be placed into and removed from a low power state. The new kernel modesetting feature enables

enhanced support for the suspend and resume feature. Previously, graphics hardware was suspended

and resumed via userspace applications. In Red Hat Enterprise Linux 6, this functionality has moved

into the kernel, providing a more reliable mechanism for enabling low power mode.