[Dibbler] Question concerning preferred and valid lifetime

Harald Schwier harald.schwier at web.de
Fri Mar 18 15:53:19 CET 2005

hmmm... seams that there is a Problem concerning
preferred and valid lifetime. After the DHCPv6 Client has requested an IA,
the DHCPv6 Server sends an IA-Address with:
preferred lifetime: 1800s
valid lifetime :      3600s

Everthing works fine, but i am a little astonished that the Client
shows an invalid lifetime

2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
    inet6 fda5:b08e:dbb0:1::ca/128 scope global
       valid_lft forever preferred_lft forever

RFC3315 says on page 77  "the client MUST use the values in the preferred and valid
   lifetime fields for the preferred and valid lifetimes."

Is this a Problem with dibbler (Cool name) or have i misunderstod something?

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