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Oracle Solaris Administration: IP Services     Oracle Solaris 11 Information Library
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Document Information


Part I TCP/IP Administration

1.  Planning the Network Deployment

2.  Considerations When Using IPv6 Addresses

3.  Configuring an IPv4 Network

4.  Enabling IPv6 on the Network

5.  Administering a TCP/IP Network

6.  Configuring IP Tunnels

7.  Troubleshooting Network Problems

8.  IPv4 Reference

9.  IPv6 Reference


10.  About DHCP (Overview)

11.  Administering the ISC DHCP Service

12.  Configuring and Administering the DHCP Client

13.  DHCP Commands and Files (Reference)

Part III IP Security

14.  IP Security Architecture (Overview)

15.  Configuring IPsec (Tasks)

16.  IP Security Architecture (Reference)

17.  Internet Key Exchange (Overview)

18.  Configuring IKE (Tasks)

19.  Internet Key Exchange (Reference)

20.  IP Filter in Oracle Solaris (Overview)

21.  IP Filter (Tasks)

Part IV Networking Performance

22.  Integrated Load Balancer Overview

23.  Configuration of Integrated Load Balancer (Tasks)

24.  Virtual Router Redundancy Protocol (Overview)

VRRP Terminology

VRRP Architectural Overview

VRRP Router

VRRP Processes

VRRP Limitations

Exclusive-IP Zone Support

Inter-operations With Other Network Features

25.  VRRP Configuration (Tasks)

26.  Implementing Congestion Control

Part V IP Quality of Service (IPQoS)

27.  Introducing IPQoS (Overview)

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

29.  Creating the IPQoS Configuration File (Tasks)

30.  Starting and Maintaining IPQoS (Tasks)

31.  Using Flow Accounting and Statistics Gathering (Tasks)

32.  IPQoS in Detail (Reference)



Chapter 24

Virtual Router Redundancy Protocol (Overview)

Virtual Router Redundancy Protocol (VRRP) is an Internet standard protocol specified in Virtual Router Redundancy Protocol Version 3 for IPv4 and IPv6 and is supported in Oracle Solaris to provide high availability. Oracle Solaris provides an administrative tool that configures and manages the VRRP service.

When you set up a network such as a LAN, it is very important to provide a high availability service. One way to increase the reliability of the network is to provide backups of the critical components in the network. Adding components such as routers, switches, and links to the network ensures the continuity of the service across failures. Providing redundancy at the endpoints of a network is a crucial task and it can be done easily with VRRP. Virtual routers can be introduced in the LAN by using VRRP to provide failure recovery for a router.

To know more about the terms used in VRRP, see VRRP Terminology.

This chapter includes the following sections:

VRRP is an election protocol that dynamically assigns the responsibilities of a virtual router to one of the VRRP routers within the LAN. VRRP provides one or more backup routers for a statically configured router on the LAN.

A VRRP router called the master router controls the IPv4 or IPv6 address or addresses that are associated with the virtual router. The virtual router forwards the packets that are sent to the IP address of the master router.

The election process provides dynamic failover while forwarding packets sent to these IP addresses. VRRP eliminates the single point of failure that is inherent in the static default routed environment.

By using the VRRP feature in Oracle Solaris, you can have a more highly available default path for the routing process without having to configure the dynamic routing or router discovery protocols on every end-host.