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System Administration Guide: IP Services     Oracle Solaris 11 Express 11/10
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Document Information


Part I TCP/IP Administration

1.  Planning an IPv4 Addressing Scheme (Tasks)

2.  Planning an IPv6 Addressing Scheme (Overview)

3.  Planning an IPv6 Network (Tasks)

4.  Configuring TCP/IP Network Services and IPv4 Addressing (Tasks)

5.  Enabling IPv6 on a Network (Tasks)

6.  Administering a TCP/IP Network (Tasks)

7.  Configuring IP Tunnels

8.  Troubleshooting Network Problems (Tasks)

9.  TCP/IP and IPv4 in Depth (Reference)

10.  IPv6 in Depth (Reference)


11.  About DHCP (Overview)

12.  Planning for DHCP Service (Tasks)

13.  Configuring the DHCP Service (Tasks)

14.  Administering DHCP (Tasks)

15.  Configuring and Administering the DHCP Client

16.  Troubleshooting DHCP (Reference)

17.  DHCP Commands and Files (Reference)

Part III IP Security

18.  IP Security Architecture (Overview)

Introduction to IPsec

IPsec RFCs

IPsec Terminology

IPsec Packet Flow

IPsec Security Associations

Key Management in IPsec

IPsec Protection Mechanisms

Authentication Header

Encapsulating Security Payload

Security Considerations When Using AH and ESP

Authentication and Encryption Algorithms in IPsec

Authentication Algorithms in IPsec

Encryption Algorithms in IPsec

IPsec Protection Policies

Transport and Tunnel Modes in IPsec

Virtual Private Networks and IPsec

IPsec and NAT Traversal

IPsec and SCTP

IPsec and Solaris Zones

IPsec and Logical Domains

IPsec Utilities and Files

19.  Configuring IPsec (Tasks)

20.  IP Security Architecture (Reference)

21.  Internet Key Exchange (Overview)

22.  Configuring IKE (Tasks)

23.  Internet Key Exchange (Reference)

24.  IP Filter in Oracle Solaris (Overview)

25.   IP Filter (Tasks)

Part IV Networking Performance

26.  Integrated Load Balancer Overview

27.  Configuration of Integrated Load Balancer Tasks

28.  Virtual Router Redundancy Protocol (Overview)

29.  VRRP Configuration (Tasks)

30.  Implementing Congestion Control

Part V IP Quality of Service (IPQoS)

31.  Introducing IPQoS (Overview)

32.  Planning for an IPQoS-Enabled Network (Tasks)

33.  Creating the IPQoS Configuration File (Tasks)

34.  Starting and Maintaining IPQoS (Tasks)

35.  Using Flow Accounting and Statistics Gathering (Tasks)

36.  IPQoS in Detail (Reference)



Virtual Private Networks and IPsec

A configured tunnel is a point-to-point interface. The tunnel enables one IP packet to be encapsulated within another IP packet. A correctly configured tunnel requires both a tunnel source and a tunnel destination. For more information, see How to Create and Configure an IP Tunnel.

A tunnel creates an apparent physical interface to IP. The physical link's integrity depends on the underlying security protocols. If you set up the security associations (SAs) securely, then you can trust the tunnel. Packets that exit the tunnel must have originated from the peer that was specified in the tunnel destination. If this trust exists, you can use per-interface IP forwarding to create a virtual private network (VPN).

You can use IPsec to construct a VPN. IPsec secures the connection. For example, an organization that uses VPN technology to connect offices with separate networks can deploy IPsec to secure traffic between the two offices.

The following figure illustrates how two offices use the Internet to form their VPN with IPsec deployed on their network systems.

Figure 18-7 Virtual Private Network

Diagram shows that Offices 1 and 2 use the hme0 interface to communicate with each other. Each office uses hme1 for internal communication.

For a detailed example of the setup procedure, see How to Protect a VPN With an IPsec Tunnel in Tunnel Mode.

The procedures include examples of IPv6 syntax.