On 2018-11-24, Henry Bonath <he...@thebonaths.com> wrote: > To add to this, just as when using other first-hop redundancy protocols > like VRRP or HSRP on a Router or Layer-3 switch, > we only want the single IP address to float between the redundant hosts, > and not the entire subnet. > So we define the most specific subnet mask for IPv4, which is > 255.255.255.255 or /32 or if using IPv6, /128.
On the other hand, when announcing the CARP-protected networks using OSPF, you *do* want the whole subnet announced. So the best approach depends how you're using it.
