3/31/2023 0 Comments Appily network mask to ipaddresses![]() ![]() You need more rooms (IP addresses), build a new extention with rooms in it, don't just knock rooms into bigger rooms, after all you wouldn't want to stay in a room which was made bigger to accomadate other people, you want your own room! A broadcast storm (some drunk going nuts) affects only one room and everything in it, not the whole hotel or the other rooms. Imagine and IP block as a hotel, each room is a a VLAN, now they are all in one building (IP block), but segmented into rooms, each room has a purpose, multiple seperate rooms have the same purpose (user VLANs), some special rooms (Servers, phone and other things). It also protcts the system from broadcast storms (someone told me once on here that new network equipment has eliminated broadcast storms, a storm happens within a IP address range, you cannot not stop them as they are not leaving that range!) and enables you to apply security rule should you want to.Īt the very largest use a /24 (255.255.255.0), but please, I beg you, don't use a /22 (255.255.252.0) and put all you servers and PCs in one ip block without subnetting it down. If there is 1000 users, i create multiple VLANs of that size, this ensures the network is scalable, I just create another subnet with another IP address block, without disturbing existing systems (DHCP servers, routes, security rules etc. Seriousily, and here we go again (hater gonna hate), I recommend to my customers only to use subnets no larger then /25 (255.255.255.128) giving 126 usuable addresses. ![]()
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