Zero Configuration Networking
From Funtoo Linux
Link-local Addresses
route add default dev eth0 metric 99 route add -net 169.254.0.0 netmask 255.255.0.0 dev eth0 metric 99
Multicast Route
route add -net 224.0.0.0 netmask 240.0.0.0 dev eth0
mDNS
/etc/nsswitch.conf:
hosts: files mdns_minimal [NOTFOUND=return] dns mdns