Hi Edward
It might be sensible to have a static range and a dynamic range of
addresses. E.g. Static = 10.0.0.1-20 & Dynamic = 10.0.0.21-254. That
would allow you to more easily identify what is static and what is
dynamic, and in that scenario you could set up your DHCP server to only
allocate addresses in the dynamic range. You'd obviously want to plan
for any growth that you'd expect in the static range.
As far as changes and how they would affect leases of your devices go;
assuming you don't have any kind of centralized device management or
automation software to do that for you, you'd probably need to manually
release the DHCP lease on each device. The method for doing so will vary
depending on the device.
On 03/10/2016 15:40, Edward Kerr via Peterboro wrote:
Hi all,
Hope its OK to ask this here. I am sure my router runs Linux somewhere!
I have few items on my network that I have given fixed IP addresses
using Mac address binding on router. e.g. printer / NAS / TV
Recorder/Netflix etc.
Currently I have allocated fixed IP address fairly randomly. The DHCP
addresses fit around these.
My router allows me to start DHCP addresses at, say nnn.nnn.nnn.10 or
whatever I choose. Currently not enabled.
Is it a good idea / good practice to set that value, and allocate
fixed IP addresses below that? I assume that the DHCP server will
then allocate IP addresses above that number!?
If so, if I make the changes, is it wise to turn off all connected
equipment except for the machine accessing the router, make the
changes, then turn them all on again?
And will I have to force my Mac to find its new IP address? Preference
> network > advanced > Renew DHCP lease (Or reboot!?)
Any other gotchas?
Other equipment is iPad, Android phones, windows 10, and an ancient
windows XP.
So many questions - but thanks in advance.
Edward Kerr
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