pub fn resolve(ip: Ipv4Address) -> Option<MacAddress>Expand description
Resolve an IPv4 address to a MAC address from the cache.
Returns Some(MacAddress) if the entry exists and is not stale,
otherwise None (caller should send an ARP request).
pub fn resolve(ip: Ipv4Address) -> Option<MacAddress>Resolve an IPv4 address to a MAC address from the cache.
Returns Some(MacAddress) if the entry exists and is not stale,
otherwise None (caller should send an ARP request).