Part II. Cookbook
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Cookbook

The content in this part is intended as a practical, hands-on guide to users wanting real, tested solutions.

The remainder of this documentation is written in a less formal style, and is heavy on examples. It should be viewed as practical explication of the above chapters.

Table of Contents

9. Advanced IP Management
9.1. Multiple IPs and the ARP Problem
9.2. Multiple IP Networks on one Ethernet Segment
9.3. Breaking a network in two with proxy ARP
9.4. Multiple IPs on an Interface
9.5. Multiple connections to the same Ethernet
9.6. Multihomed Hosts
9.7. Binding to Non-local Addresses
10. Advanced IP Routing
10.1. Introduction to Policy Routing
10.2. Overview of Routing and Packet Filter Interactions
10.3. Using the Routing Policy Database and Multiple Routing Tables
10.3.1. Using Type of Service Policy Routing
10.3.2. Using fwmark for Policy Routing
10.3.3. Policy Routing and NAT
10.4. Multiple Connections to the Internet
10.4.1. Outbound traffic Using Multiple Connections to the Internet
10.4.2. Inbound traffic Using Multiple Connections to the Internet
10.4.3. Using Multiple Connections to the Internet for Inbound and Outbound Connections
11. Scripts for Managing IP
11.1. Proxy ARP Scripts
11.2. NAT Scripts
12. Troubleshooting
12.1. Introduction to Troubleshooting
12.2. Troubleshooting at the Ethernet Layer
12.3. Troubleshooting at the IP Layer
12.4. Handling and Diagnosing Routing Problems
12.5. Identifying Problems with TCP Sessions
12.6. DNS Troubleshooting
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8.3. Netfilter Connection Tracking Home Chapter 9. Advanced IP Management