Thread: Asking about IPv6 address
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Old 9th July 2008
BSDfan666 BSDfan666 is offline
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Quote:
Originally Posted by berlowin View Post
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 View Post
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
Last edited by BSDfan666; 9th July 2008 at 02:43 AM.
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