[ECOS] Re: DHCP crash with Novell Server

[Grant Edwards <grante at visi dot com>]

On Tue, Jun 19, 2001 at 03:44:51PM -0500, Grant Edwards wrote:

> Here are the fixes I plan on trying:
> 
>  1) in alarm_function() change the state variable _before_
>     re-enabling the alarm.  That will limit the nesting level
>     to 3.
> 
>     With no other changes, this will cause the lease to expire
>     (AFAICT).

[...]

> Perhaps the proper behavior is just to wait for the IP lease to
> expire and start from scratch (start with a DISCOVERY rather
> than a REQUEST), but it doesn't appear that this is what the
> eCos routines do when the lease expires.  Rather, they shut
> down the interface and give up, right?

FYI, I tested it with just the alarm_function() fix, and it did
get the lease back, bit it didn't look quite kosher.  When the
lease first expired it didn't request a new lease -- sometime
later (after another lease expiry time period, I think) it
started a successful negotiation.

It's more well-behaved with the default T1 and T2 values (as
per the patch).

-- 
Grant Edwards
grante@visi.com