subnet Questions
7
Solved
Ok I can't seem to figure this out: given the following:
IP address = 192.168.1.0
Subnetmask = 255.255.255.240
Using c#, how do I calculate the CIDR notation 192.168.1.0/28 ? Is there an easy way...
Video asked 24/3, 2010 at 13:25
1
Solved
Can I supply more than 1 subnet per AZ to create an AWS Interface Endpoint?
When I tried, I got this error:
Error creating VPC Endpoint: DuplicateSubnetsInSameZone: Found another VPC endpoint sub...
Lavernelaverock asked 22/4, 2020 at 22:48
2
I was running a serverless web application on a lambda inside a VPC, and connecting to a Aurora-MySQL RDS instance, with inbound rules to allow traffic from the security group of the lambda
The con...
Provincial asked 20/3, 2020 at 9:15
9
Solved
I want to generate some random IP Address. But evertime this generateIPAddress function returns 0.0.0.0 string as ipAddress. But it should be returning some random ipAddress other than 0.0.0.0 ever...
5
For example:
IP Address: 130.45.34.36
Mask: 255.255.240.0
What would be Net ID/Subnet Address, and
Broadcast Address?
Sibyl asked 13/3, 2015 at 14:30
2
Solved
I have the following CIDR reserved for my VPC -> 10.0.0.0/22
What this tells me is that I have 10 bits leftover for my host ips or 1,024 addresses. I was attempting to compute the range of valid a...
Caricature asked 8/9, 2018 at 5:16
1
Solved
I have created a VPC(public and private subnets) on AWS with IPV4 CIDR block as 10.0.0.0/26 (i.e. it can have 2^6 = 64 IP addresses along with one subnet address and one broadcast address). I want ...
Castlereagh asked 28/1, 2019 at 22:19
4
Solved
I want to access a few instances in my private subnet using EIPs. Is there a way? I know it doesn't make much sense, but let me explain in detail.
I have a VPC with 2 subnets.
192.168.0.0/24 (publ...
Lullaby asked 20/6, 2013 at 7:46
1
Solved
I have a public subnet in AWS and I have 3 instances in it ...
WebApp01 (Elastic IP - 54.23.61.239 for example)
WebApp02 (Private IP - 192.168.0.24)
WebApp03 (Private IP - 192.168.0.25)
And my ...
Autocade asked 21/7, 2018 at 2:15
4
How can I check if an IP address is in a given subnet? I was able to do this by using Apache Commons SubnetUtils (SubnetUtils.SubnetInfo.isInRange) but it does not support IPv6 yet.
1
Solved
I am creating infrastructure for one of my web application on AWS. That app needs Mysql RDS instance. Now I am wondering that whether I should simply create RDS instance in public subnet and just c...
Veloz asked 15/12, 2017 at 10:48
3
Solved
Say, I have a subnet of 255.255.255.242 and I have a known IP within that subnet say 192.168.1.101.
Now the way I calculate the range of IPs is this:
In the subnet mask, find the first octet that...
Elodia asked 16/10, 2012 at 15:52
4
Solved
On a lab to regarding network topology using port scanners, I am instructed "to develop a network inventory and topology for the 123.218.44.0/24 subnet."
What does the notation 0/24 mean there? I ...
Kaliningrad asked 1/4, 2009 at 19:28
2
Solved
So the purpose of private subnets in AWS is for its instances to not be directly accessible from the outside world. There are however cases (successfully resisted the 'instances' pun) in which it's...
Veronica asked 15/5, 2017 at 17:42
4
I need to work out the algorithm regarding how you calculate the network and host portion of an IP address.
Is the host ID the public part? Is the network ID the private part for locating the com...
Sixpence asked 28/12, 2011 at 2:26
3
Solved
I wanted to get the IP address and the subnet mask. Now the IP part is done, however I couldn't find any socket function that would return a structure with the subnet mask in it.
Does a socket func...
1
Solved
How to determine subnet IPv4 CIDR address in AWS. Suppose my VPC CIDR block is 172.31.0.0/16 and I want to create a subnet with 172.31.1.0/16 but it says " *** is not within the range of ****/*. Pl...
Abagail asked 27/1, 2017 at 11:20
3
How do you reference the VPC Id of an existing VPC (which has been created before in a separate CloudFormation script) in CloudFormation script in order to create subnets in the VPC?
Acupuncture asked 3/11, 2014 at 5:24
4
Solved
I have seen plenty of great C# examples which demonstrate how to convert IPv4 addresses provided in CIDR notation (e.g. 192.168.0.1/25) into their relevant ranges (192.168.0.1 - 192.168.0.126). My ...
4
Solved
I'd like to find a way to do a SQL query that will calculate the cidr (bit representation) of a subnet mask stored in the database. So for example, I've got either 255.255.255.0 or its decimal valu...
1
Solved
I'm reading the Kubernetes "Getting Started from Scratch" Guide and have arrived at the dreaded Network Section, where they state:
Kubernetes imposes the following fundamental requirements on any ...
Tetrastich asked 29/9, 2015 at 19:25
1
Solved
I have a small piece of code that converts a 32-bit unsigned integer (ie: uint32_t) into a set of four 8-bit fields, treats it like an IP address, and then reports to the client if it falls within ...
Ecclesiastes asked 25/6, 2015 at 2:27
2
Solved
In CloudFormation, I'm creating a VPC, two EC2 instances, and an Elasticache in front of them. In the template, I'm trying to add the elasticache to the vpc. The problem's happening in creating the...
Wellspoken asked 30/5, 2015 at 3:31
3
How can I test if two IPs are in the same network according to the subnet mask?
For example I have the IPs 1.2.3.4 and 1.2.4.3: Both are in the same network if the mask is 255.0.0.0 or 255.255.0.0...
3
Solved
Question in some competition exam:
The subnet mask for a particular network is 255.255.31.0. Which of the following pairs of IP addressed could belong to this network?
1: 172.57.88.62 & 172.5...
Vitale asked 15/4, 2011 at 3:30
© 2022 - 2024 — McMap. All rights reserved.