comcast dhcp leases

[dsr at tao.merseine.nu (dsr at tao.merseine.nu)]

On Sun, Oct 29, 2006 at 10:54:14AM -0500, Matthew Gillen wrote:
> Has anyone else noticed that Comcast's lease times for dhcp addresses has
> gone down significantly?  The lease time used to be on the order of days at
> a time.  I was able to keep the same IP address for 2 years, even with
> several extended downtimes for upgrades to my server box.
> 
> Recently, the lease time is less than an hour.  Anyone have ideas on why
> they would do that?
> 
> Or is it just me?

It's probably just your neighborhood, and they're preparing to
change the addressing scheme there -- split a node or something.

First they drop the lease time to an hour. That means that
when they drop the lease time to five minutes, everyone is ready
within an hour or so. Then they issue new addresses with a one
hour lease, make the router changes, and see if everything is
good. If so, the next set of leases is good for a week or so.

At least, that's how I would do it, and I think it's how they
do.

-dsr-

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