+ 0 Votes Videos for Subnetting B /23 for 500 hosts Alec Lerg Updated - May 23, 2013 at 2:16am PST We have a SonicWall also on our network, we could use it as DHCP server, but we have another server doing that. Here are some great videos about subnetting, that may help you. You can find the subnet that you need at the minute 13 in the second link. http://www.youtube.com/watch?v=DCQLphkatqE http://www.youtube.com/watch?v=ltYpMZBIhhE http://www.youtube.com/watch?v=pngt5mX7glU You can also find other great videos related to networking there, good luck! By the way thanks to Jeremy Cioara for those great videos.