""John Smith"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> ""Kevin Wigle"" wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > It depends on the kind of environment you have and how much control you
> > have - that is to say, do people who break the rules get in trouble or
> just
> > get their hands slapped? (or nothing....)
> >
> > Anyway, DHCP will definitely fix this problem but only if users don't
> change
> > the IP configuration on their PCs from DHCP to static.
>
>
> We use DHCP at work and have been having trouble with users changing the
IP
> addy's to static. I logged into the router once to see who had the ARP
> entry. It changed back an fourth. The user would get the IP conflict error
> every time the ARP entry changed or they got leased an IP addy by the DHCP
> server with another user already using it. I am not aware of any way for
the
> router to authenticate the ARP entry with the DHCP server so the users are
> kind of stuck playing ARP pong till we reconfigure the offenders box for
> DHCP or the DHCP server gives the user a new IP addy. Sometimes the users
> will just do a release all and change out the NIC (or static a new MAC) to
> get a new IP addy from the DHCP server. This has become more persistant as
> of recent and we are trying to come up with a way to "put the smack down".
>
PS. the firmware on some SOHO routers is also known to cause this because
they improperly implement DHCP ie. they keep the lease longer than it's
given to them by the DHCP server without renewing it at t1 or t2.
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=16499&t=16470
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