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Figure 153. Basic VRRP Conguration
VRRP Benets
With VRRP congured on a network, end-station connectivity to the network is not subject to a single point-of-failure. End-station
connections to the network are redundant and are not dependent on internal gateway protocol (IGP) protocols to converge or update
routing tables.
VRRP Implementation
The S5000 supports a total of 255 VRRP groups on a switch.
Within 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 congured on the interface. You can ping all the virtual IP addresses congured on the Master VRRP router from anywhere
in the local subnet.
The recommendations in the following table may vary depending on various factors like ARP broadcasts, IP broadcasts, or STP before
changing the advertisement interval. When the number of packets processed by RP2/CP/FP processor increases or decreases based on
the dynamics of the network, the advertisement intervals may increase or decrease accordingly.
Default VRRP settings may aect the maximum number of groups that you can congure and work eciently as a result of hardware
throttling VRRP advertisement packets reaching the RP2 processor on the S5000. To avoid throttling VRRP advertisement packets, Dell
Networking recommends increasing the VRRP advertisement interval to a value higher than the default value of 1 second. The
recommendations are as follows:
Virtual Router Redundancy Protocol (VRRP)
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