IPv6 Addressing

IPv6 Address Deprecation

N o t e s

Preferred and valid lifetimes on a VLAN interface are determined by the router

 

advertisements received on the interface. These values are not affected by the

 

lease time assigned to an address by a DHCPv6 server. That is, lease expiration

 

on a DHCPv6-assigned address terminates use of the address, regardless of

 

the status of the RA-assigned lifetime, and router-assigned lifetime expiration

 

of a leased address terminates the switch’s use of the address. (The router-

 

assigned lifetime can be extended by receipt of a new router advertisement.)

 

Statically configured IPv6 addresses are regarded as permanent addresses,

 

and do not expire.

 

 

Related Information

■RFC 2462: “IPv6 Stateless Address Autoconfiguration”

■RFC 4291: “IP Version 6 Addressing Architecture”

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