LINUX FOUNDATION TRADEMARK USAGE GUIDELINES

Q: Why can I ping an IP address when the interface is down?

A: Linux uses a "host based" addressing model, IP addresses are owned by the host, not individual interfaces. So as long as the IP address is configured to some interface, we will accept packets destinated to that IP address as our's.

by Arnout Vandecappelle, Mind

Overview

A collection of programs that form the base set of the NET-3 networking distribution for the Linux operating system. This package includes arp(8), hostname(1), ifconfig(8), ipmaddr, iptunnel, mii-tool(8), nameif(8), netstat(8), plipconfig(8), rarp(8), route(8) and slattach(8).

The Spanning Tree Protocol (STP) is used to allow multiple bridges to work together. Each bridge communicates with other bridges to discover how they are interconnected. This information is then used to eliminate cycles, and provide optimal routing of packets. STP also provides fault tolerance, because it will recompute the topology if a bridge or port fails.

This page has heresay or limited information and may needs a more analytic basis

Provide a listing of motherboards and how well they are supported.
If work-arounds are needed, for example, disabling ACPI, or tweaking the BIOS, that information is welcome here.

This information is based on personal experience and/or information found around the web and in mailing lists. It is not necessarily 100% accurate. Corrections are welcome.

ethtool is a Linux net driver diagnostic and tuning tool for the Linux 2.4.x (or later) series of kernels. Obtain information and diagnostics related to media, link status, driver version, PCI (or other) bus location, and more.

• Maintainer: Ben Hutchings bhutchings@solarflare.com
• Current Version: 3.2

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