Figure 158. Basic VRRP ConfigurationVRRP BenefitsWith VRRP configured on a network, end-station connectivity to the network is not subject to a single point-of-failure. End-stationconnections to the network are redundant and are not dependent on internal gateway protocol (IGP) protocols to converge orupdate routing tables.VRRP ImplementationWithin a single VRRP group, up to 12 virtual IP addresses are supported.Virtual IP addresses can belong to the primary or secondary IP address’ subnet configured on the interface. You can ping all thevirtual IP addresses configured on the Master VRRP router from anywhere in the local subnet.The S-Series supports varying number of maximum VRRP groups per interface. The supports a total of 2000 VRRP groups on aswitch and 512 VRRP groups per interface.The following recommendations shown may vary depending on various factors like address resolution protocol (ARP) broadcasts, IPbroadcasts, or spanning tree protocol (STP) before changing the advertisement interval. When the number of packets processed byRP2/CP/FP processor increases or decreases based on the dynamics of the network, the advertisement intervals may increase ordecrease accordingly.CAUTION: Increasing the advertisement interval increases the VRRP Master dead interval, resulting in an increasedfailover time for Master/Backup election. Take caution when increasing the advertisement interval, as the increased deadinterval may cause packets to be dropped during that switch-over time.Virtual Router Redundancy Protocol (VRRP) 979
