Quote:
Originally Posted by berlowin
I want ask why the bold and the underline output is always started with FE80? even though i change my NIC, it always start with FE80.
|
Because that subnet was reserved for link-local IPv6 addresses. (fe80::/10)
IPv4 has a similarly reserved range, 169.254.0.0/16.
Quote:
Originally Posted by berlowin
Last question, is 213:20ff:feac:ddca%em0 the MAC address of the NIC? Because when I change my NIC, it always change the address too.
|
No it's not, 00:13:20:ac:dd:ca is your MAC address... a unique link-local address is generated for each "physical" interface.
EDIT: This seems like a decent introduction, Google is your friend:
http://www.enterprisenetworkingplane...le.php/3633211