Check whether MAC addresses are multicast

Multicast (group) addresses have the least significant bit of the first octet set (the I/G bit). The broadcast address FF:FF:FF:FF:FF:FF is a multicast address. Network interfaces always have unicast addresses.

Usage

is_multicast_MAC(mac)

Arguments

mac

A character vector of MAC addresses.

Value

A logical vector (NA for invalid addresses).

See also

is_local_MAC()

Examples

is_multicast_MAC(c("01:00:5E:00:00:FB", "FF:FF:FF:FF:FF:FF",
                   "1C:4C:7E:30:D8:13"))
#> [1]  TRUE  TRUE FALSE