Filipe Brandenburger wrote:
My personal opinion, if you're using RFC1918 addresses for internal networks, you should only use 255.255.255.0 netmasks everywhere, even though it's a network for one machine only. Dealing with netmasks is a PITA, and should be avoided unless there's a real reason to use it, for instance with valid IPs.
on a large WAN, /24 vlan segments are often too small. we use /20 slices of 10-net for VLAN's here. /all/ 10-net vlans are /20. we also use some 172.16-31 and 192.168 spaces, those are all /24
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