Information About Vrrp - Cisco Nexus 3000 Series Configuration Manual

Nx-os unicast routing configuration guide, nx-os release 5.0(3)u1(1)
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Configuring VRRP
This chapter describes how to configure the Virtual Router Redundancy Protocol (VRRP) on a switch
This chapter includes the following sections:

Information About VRRP

VRRP allows for transparent failover at the first-hop IP router, by configuring a group of routers to share
a virtual IP address. VRRP selects a master router in that group to handle all packets for the virtual IP
address. The remaining routers are in standby and take over in the event that the master router fails.
This section includes the following topics:
Information About VRRP, page 13-1
Licensing Requirements for VRRP, page 13-6
Guidelines and Limitations, page 13-6
Default Settings, page 13-6
Configuring VRRP, page 13-7
Verifying the VRRP Configuration, page 13-17
Displaying VRRP Statistics, page 13-17
Configuration Examples for VRRP, page 13-18
Additional References, page 13-19
Feature History for VRRP, page 13-19
VRRP Operation, page 13-2
VRRP Benefits, page 13-3
Multiple VRRP Groups, page 13-3
VRRP Router Priority and Preemption, page 13-4
VRRP Advertisements, page 13-5
VRRP Authentication, page 13-5
VRRP Tracking, page 13-5
Virtualization Support, page 13-5
Cisco Nexus 3000 Series NX-OS Unicast Routing Configuration Guide, NX-OS Release 5.0(3)U1(1)
13
C H A P T E R
13-1

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