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 …
Solved: when and why we use /31 subnet - Cisco Community
Feb 7, 2011 · Solved: Hi all, i know about /30 subnet we use when we have to use point to point network. /30 we use when we need only 2 hosts on either end of network. cansomeone tell me why …
ipv4 - The slash after an IP Address - CIDR Notation - Network ...
May 26, 2023 · A /30 subnet mask would be 11111111.11111111.11111111.11111100, or 255.255.255.252 which is great for creating a network that only accounts for 2 routers or layer 3 …
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 use subnet mask /30 for the internet port of the edge router?
Oct 19, 2021 · In the following network, why should we pick the subnet mask /30 for the internet port of Edge Router 1? Since the wireless access point Edge Router 1 needs to connect to 3 hosts in LAN …
IP Subnetting, Variable Subnetting, and CIDR (Supernetting)
Oct 25, 2013 · Variable subnetting example 1 (insert /30 into /28 from above) Well, in the /28 example above, we've shown that the first and last subnets are unusable, because the subnet mask is either …
ipv4 - Why are /30 subnet used for PPP connections? - Network ...
The connection comes with a public /30 subnet that we can use to our liking. We used one of the IP addresses for standard NAT, and one of the addresses for remote router access (ports 22 and 443) …
/30 transport /29 WAN ISP setup - Network Engineering Stack Exchange
Customer Usable IP Information (LAN BLOCK) Usable IP Block: 10.10.10.192/29 Usable IP Ranges: 10.10.10.193-198 Usable Subnet Mask: 255.255.255.248 If this were a typical ISP transparent …
Network Addresses and Subnet Mask - Cisco Community
Oct 23, 2003 · In fact, .30.x and .31.x will be able to talk directly to each other, up to the point where the mask is 255.255.254.0. But they will need a router more and more to reach machines that are not in …
When is /31 recommended over /30 in P2P links? [duplicate]
For your average enterprise network, what are the pros and cons for using a /31 mask on point-to-point links with private addressing over the generally accepted practice of using /30? There's real...