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Questions tagged [subnet]

A part of the IP address identifying the whole local network (high bits as defined by netmask). The remainder of the IP address (host id) identifies devices that are connected to this network. Can also mean the local network itself, if addressed by IP address in a described way.

Read more on wikipedia: https://en.wikipedia.org/wiki/Subnetwork

893 questions
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Checking overlapped subnets

I have 2 files that contain subnets in cidr format (212.234.96.0/24, 80.10.0.0/24, ...) liny by line. I will like you to create a python script that will tell me overlapping subnets. Input are file1 (list of subnets, more than 4000) and file2…
lendoiro
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Windows Server with 2 NIC's (two subnets) only one subnet controlled by Windows Server

I have to build up a second network with Windows Server 2012 as DHCP and AD. The PC for the Windows Server 2012 has two NIC's: The first one 192.168.10.* (NIC1) should get the IP-Addresses from our Windows-Server and lives in it's own subnet.…
Alan-Lee
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How do I setup dnsmasq to serve address from multiple ranges with the same gateway to combat address exhaustion?

I have a dnsmasq server which I am using to serve DHCP and cache DNS. It is running on a Raspberry Pi. The range of addresses available in the pool is too small for the number of devices that regularly enter and leave the network, so I am trying to…
Gordy
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two interfaces on the same device on different subnets

I've been told that it is bad practice to have two interfaces on the same device on the same subnet. i.e. two Ethernet ports on a switch should be on different subnets. Could somebody explain why this is the case? (preferably simply as possible as…
netleap tom
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Why those two IP not pinging?

See this image, Before you go for question Here, 8.0.0.1/8 pinging with 192.168.1.1/24 but 8.0.0.2/5 don't ping with 192.168.1.1/24. Could anyone say me, What actual problem?
Ch Harisankar Patro
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How can I find these addresses?

In class B subnet, we know the IP addressof one of the host and mask is give below. IP address - 182.44.82.16 subnet mask - 255.255.255.192 what is…
Ajinkya Bhushan
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Getting IP Addresses range and subnet for AWS EC2

I have an AWS EC2 instance that I'm running in the US-EAST OHIO region. But, I don't want to set 0.0.0.0/0 IP address in my inbound rules for the security group. So, I select: SSH -> MyIP to get the ip address every time I run the instance. I want…
Xavier
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IP Address Class C network and its gateway

Suppose I have following network setup, in a ethernet: I manually setup start IP and end IP as following: 192.168.2.1 - 192.168.254.254 Manually setup Gateway IP as: 192.168.2.1 Of course, Mask length as: 16 Subnet Mask: 255.255.0.0 Now my…
Toad Brain
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is it enough to determine segment for two IP addresses with different netmasks by bitwise AND?

I read about the rules of how hosts communicate with each other. Let's say hostA and hostB. hostA gets its own network ID by bitwise-and its ip address and its mask, then gets hostB's network ID by bitwise-and hostB's ip address and hostA's mask. If…
password636
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Is there any linux command/program that can tell me subnet range if i provide the number of ip's?

Is there any linux command or script that I can invoke to get ip range with subnet, if I pass number of ip's as an argument, like if I say 256 then it should return me 10.0.0.0/24, Lets say I am talking about 10.0.0.0 range as of now.
ricky
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Determining subnet mask based on number of hosts

During preparation for an exam I came over two questions that didn't make sense to me. "You are planning to subnet IPv4 addresses to use on a global network. The design must support creating two separate networks that allows for support up to 1000…
Truls TD
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Home Networking 2 routers

Just in advance im sorry for my limited expertise with networking, i know the basics tho... So the issue i have which i am hoping someone can shed some light on.. I want to have 2 routers, each with either own vlan, and i want one router to be able…
Arotin
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Why is the ip address 10.1.1.97 routed to 10.1.1.64/26 network

I am studying for the CCNA Routing and Switching. While taking a practice test I was asked the following question... Question: Your router has just received a packet that is destined to 10.1.1.97. Which entry in the routing table will be used to…
MarkF
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Vnet to Vnet machines not pinging

I have the following scenario. 2 vnets (same location/location, but different resource groups) vnetA: Address space 10.1.0.0/16 Gateway subnet 10.1.1.0/24 VM 10.1.0.5 vnetB: Address space 10.0.0.0/16 Gateway subnet 10.0.2.0/24 …
here_for_python
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Need help subnetting a network for specific numbers of hosts?

The issue below is entirely for revision/practice purposes and not homework. I'm just trying to wrap my head around how I would answer this as it could show up in an exam. I have a problem where I'm given the base address 172.16.10.0 /22 I need to…
Toby95
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