ipv4 - The slash after an IP Address - CIDR Notation - Network ...
May 26, 2023 · The slash following the IP address is the abbreviation for the subnet mask. The binary version of a subnet mask is going to be comprised of ones and zeros just as the binary verison of an …
How do you calculate the prefix, network, subnet, and host numbers?
28 Part 1 of 2 IPv4 Math With an IPv4 address and the network mask, the network mask length, or host mask, you can calculate the Network Address, Broadcast Address, Total Addresses, Usable …
Why the host part of a Mask is 254 (256-2) instead of 253?
Apr 27, 2022 · A host part with all 0 s isn't usuable either (that address is identical to the subnet prefix), so that leaves you with 254 usable host addresses for a /24 subnet (2 (32-24) -2), including any …
How to choose IP address and subnet mask while forming a network
Oct 6, 2021 · Default subnet masks: Class A: 255.0.0.0 (prefix length : 8) Class B: 255.255.0.0 (prefix length : 16) Class C: 255.255.255.0 (prefix length : 24) This p appears to me like, if a network …
32 bits or 30 bits for subnet mask - Network Engineering Stack Exchange
Jun 30, 2020 · I know how to calculate the subnet mask. My question is: What is the last subnet mask that we can use for this IP. In case of subnetting, can we use 255.255.255.255 for this IP as the …
What is the practical use of a /31 CIDR or 255.255.255.254?
Jul 23, 2018 · With a /31 subnet, we are left with zero usable hosts. The /31 subnet only has two hosts - one for network and another for broadcast. I am wondering why would someone ever use this subnet.
Logic of subnetmask 255.255.255.252 networking in Packet Tracer
Feb 14, 2024 · Error Invalid IP for this subnet mask entered. The way i try to use the logic is i cant use more than 2 or 3 IPs within 252. So interms of router IP, i try to start with 192.168.6.1 to 192.168.6.2. …
How to interpret subnet mask - Network Engineering Stack Exchange
Nov 12, 2019 · I received a datasheet with which I need to configure a server that doesn't do dhcp but rather needs to use a static IP address. The sheet tells me to set the subnet mask 255.255.252/22. I …
Is there a downside to using a subnet mask other than 255.255.255.0?
Jan 15, 2016 · That got me thinking, are those the only reasons to use 255.255.255.0? What exactly would change for people if the default mask was 255.255.0.0 instead? Is there some downside to …
What are the problems that can arise if a network host has the subnet ...
Mar 16, 2016 · Supposing the IP address is correct and the gateway IP address is also correct, but the mask is different than the one in the router/default gateway.