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  1.  Home
  2. PCTECH
  3. July 2009

Re: Change Netmask and propagation

On Tue, Jul 7, 2009 at 22:23, Roger Vicker, CCP<rv-tech@xxxxxxxxxx> wrote:
will there be any network issues with some things (Client PCs) using the
old Netmask while others (Routers/Servers) have already gotten the new
Netmask?

Shouldn't.

I usually can do this and reboot the whole network but this is the first
time I am going to only be able to change the DHCP server and let the
expiration (10 hours but overnight) propagate the Netmask change.

Or set the lease time down to 10 minutes, wait till all clients have a
10 minute lease, change it, and then change the lease time back up.
Just as DNS changes with the TTL.


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