OmniSwitch AOS Release 7 Network Configuration Guide June 2013 page 22-1
22 Configuring VRRP
The Virtual Router Redundancy Protocol (VRRPv2/VRRPv3) is a standard router redundancy protocol
supported in IPv4/IPv6, based on RFC 3768 and RFC 2787. It provides redundancy by eliminating the
single point of failure inherent in a default route environment. The VRRPv2/VRRPv3 router, which
controls the IPv4/IPv6 address associated with a virtual router is called the master router, and is responsi-
ble for forwarding virtual router advertisements. If the master router becomes unavailable, the highest
priority backup router will transition to the master state. The Alcatel-Lucent implementation of VRRP also
supports the collective management of virtual routers on a switch.
Note. This VRRPv3 implementation is based on the latest Internet Draft, Virtual Router Redundancy
Protocol for IPv6, September 2004.
Note. RFC 3768, which obsoletes RFC 2338, does not include support for authentication types. As a
result, configuring VRRP authentication is no longer supported in this release.
In This Chapter
This chapter describes VRRPv2/VRRPv3 and how to configure it through the Command Line Interface
(CLI). CLI commands are used in the configuration examples; for more details about the syntax of
commands, see the OmniSwitch CLI Reference Guide.
This chapter provides an overview of VRRP and includes information about the following:
• Virtual routers—see “Creating/Deleting a Virtual Router” on page 22-10.
• IP addresses for virtual routers—see “Specifying an IP Address for a Virtual Router” on page 22-11.
• VRRP advertisement interval—see “Configuring the Advertisement Interval” on page 22-12.
• Virtual router priority—see “Configuring Virtual Router Priority” on page 22-12.
• Preempting virtual routers—see “Setting Preemption for Virtual Routers” on page 22-12.
• VRRP traps—see “Setting VRRP Traps” on page 22-14.
• Configuring Collective Management Functionality—“Configuring Collective Management Functional-
ity” on page 22-14
• Verifying the VRRP configuration—see “Verifying the VRRP Configuration” on page 22-18.
• VRRPv3 Virtual routers—see “VRRPv3 Configuration Overview” on page 22-19.
• IPv6 addresses for VRRPv3 virtual routers—see “Specifying an IPv6 Address for a VRRPv3 Virtual
Router” on page 22-20.
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