Divide network into subnets from mask

[vbv1]

I want divide 192.168.0.0 /16 to subnets with mask /24,/26,/28,3x /30

I made something like that:

/24

192.168.0.0 192.168.0.1-254 192.168.0.255

/26

192.168.1.0 192.168.1.1-62 192.168.1.63

/28

192.168.1.64 192.168.1.65-70 192.168.1.71

/30

192.168.1.72 192.168.1.73-74 192.168.1.75

/30

192.168.1.76 192.168.1.77-78 192.168.1.79

/30

192.168.1.80 192.168.1.81-82 192.168.1.83

But in Packet Tracer im overlaping interface's, why?

[Julio E. Moisa]

Hi

This subnet was subnetted incorrectly,

/28

192.168.1.64 192.168.1.65-70 192.168.1.71

if you are looking for /28 from 192.168.1.64 it should be:

192.168.1.64 -- Valid IP addresses: 192.168.1.65 - 192.168.1.78 -- Broadcast IP 192.168.1.79

Subnet mask: 255.255.255.240

Now for the 3x /30 you should use:

192.168.1.80/28 to get them. 

That is the reason why you are getting overlapping error with the next subnets. 

:-)