subnet

[hlauwers]

Hi,

we use an IP-range 10.130.60.X with a 255.255.255.0 subnetmask
(so 254 addresses)

I would like to add another subnet by changing the subnetmask.
of course I could use 255.255.0.0 but this isn't good for broadcast I think.

Something ideal would be:

10.130.60.X
10.130.61.X

What subnetmask do I need ?

 

[robertjo24]

The mask of 255.255.254.0 should give the address range of 10.130.60.0 (net address) through 10.130.61.255 (broadcast address). 10.130.60.1 trough 10.130.61.254 should be usable addresses.

You can get a free subnet address calculator from SolarWinds. The web address is

http://support.solarwinds.net/updates/SelectProgramFree.cfm