IPv6 Shortcuts function in a very similar manner to IPv4 Shortcuts and depends on IPv4 Shortcuts for some functions. For example, IPv6 Shortcuts use the BMAC (local and remote) information created by IPv4 Shortcuts.
Important
IPv4 Shortcuts must be enabled before you enable IPv6 Shortcuts.
An error is displayed if you try to enable IPv6 Shortcuts but do not have IPv4 Shortcuts already enabled.
IPv6 Shortcuts alone can be disabled while leaving IPv4 Shortcuts enabled. When IPv4 Shortcuts is disabled without disabling IPv6 Shortcuts disabled first, a warning or error message is displayed indicating that IPv6 should be disabled first.