SAPs
Page 506 7210-SAS M Services Guide
The Virtual Router Redundancy Protocol (VRRP) for IPv4 is defined in the IETF RFC 3768,
Virtual Router Redundancy Protocol. VRRP describes a method of implementing a redundant IP
interface shared between two or more routers on a common LAN segment, allowing a group of
routers to function as one virtual router. When this IP interface is specified as a default gateway on
hosts directly attached to this LAN, the routers sharing the IP interface prevent a single point of
failure by limiting access to this gateway address. For more information on use of VRRP, see the
“7210 SAS Router Configuration User Guide”.
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