On 2018-11-24, Henry Bonath <henry@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.
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