Lost DNS lookup (SOLVED)
ignored_mailbox at yahoo.com.au
Thu Jul 3 04:06:34 UTC 2008
On Wed, 2008-07-02 at 11:27 -0400, McGuffey, David C. wrote:
> Problem was a DHCP lease in an ISP provided router/firewall on our
> boundary that we set to 6 minutes.
That shouldn't be a problem, normally. The client would ask for it
again, before it expired. But if the client is badly coded, or a
firewall gets in the way later on, and probably one or two other
situations, then a lease could lapse, leaving you sans network.
> Per RFC, what normally happens when a lease expires? I would think
> that the host would ask for another IP and be back up on the net.
Before a lease expires, the client asks to renew it (i.e. asks for the
same one again). If possible, it'll get assigned the same address
again. If not, it can be assigned another address, and the client
should be accept that.
[tim at localhost ~]$ uname -r
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