All Questions
Tagged with amazon-vpc cidr
12
questions
0
votes
2
answers
187
views
AWS CIDR Address is not within CIDR Address from VPC
In AWS have created VPC which CIDR is 10.0.0.24.I want to creates its two subnet.its public-subnet is in us-west-1a - IPv4 CIDR 10.0.0.0/24 thenwhen I create private subnet is in us-west-1b - ...
0
votes
1
answer
337
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"AWS CIDR is not within the CIDR ranges of VPC", but it is?
many questions on this, but this time doesn't seem as obvious as the others.
I'm trying to split a VPC in two subnets.
I start with VPC 10.0.0.0/24, 254+1 IPs, from 10.0.0.1 to 10.0.0.255
I create the ...
- 103
5
votes
2
answers
9k
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What is a correct IP4 CIDR for AWS?
I am trying to create some new subnets and cannot get AWS to accept a CIDR IP4.
I receive the message: Must be valid IPv4 CIDR. Nothing I try is accepted.
What is a valid IP4 for this purpose, and why?...
- 153
3
votes
4
answers
13k
views
AWS VPN Client connection to new VPC Endpoint is failing
I have set up a new VPN following the guide here. However when I try to connect to the VPN with the client i get an error "Connection failed. Try again." This happens every time. I opened the log file ...
- 61
0
votes
1
answer
313
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What is the VPC accepted address and why [duplicate]
i am trying to create a vpc but the ip i am providing is not accepted which is 192.168.1.1/16 but aws says i can use the following range if i set to 192.168.0.0/16 it works , i guess to an extent ...
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-2
votes
1
answer
373
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What if my public address is same as one of the IP address in my AWS VPC CIDR Block? [closed]
My public IP address (of my personal computer) from which I access the internet ranges from 112.110.x.x. For experiment, I created a VPC in AWS and chose the CIDR block as 112.110.0.0/16. In the route ...
0
votes
1
answer
843
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Allowing external access to bastion hosts on aws
I am trying to create a few bastion hosts in my VPC on aws to connect to my databases that are located in a private subnet. I am using this aws Quick start.
I understand the basics of CIDR blocks ...
- 103
0
votes
2
answers
47
views
AWS queries regarding subnetting and routing
I have some queries regarding AWS setup please clarify.
I have created a VPC with CIDR 172.16.0.0/16 which is a private range of IP's. In my route table, I routed all the traffic from this range. ...
-9
votes
0
answers
2k
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AWS Reserved IP addresses [closed]
I have multiple VPC in my account and I created most of VPC using subnet 10.0.0.0/8 or 192.168.0.0/16 or 172.16.0.0/12 subnet blocks.
I am exhausted with my range due to not optimizing the IP ...
- 705
0
votes
1
answer
584
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Using a AWS VPN for client access to an internal web-application
I'm trying to connect a client's network to our AWS data-centre, to allow access to a (previously publicly available) internal web-application.
At the moment we've got the VPN set up with dynamic ...
- 433
0
votes
1
answer
2k
views
Connecting two AWS VPC Regions of the same CIDR range
Let say I have two VPC's (VPC-A with 10.50.0.0/16 and VPC-B with 10.50.0.0/16) in AWS with same conflicting/overlapping CIDR ranges in my AWS account. I already have the two VPC's fully functional ...
- 101
57
votes
6
answers
58k
views
What is the recommended CIDR when creating VPC on AWS?
I have been creating AWS VPCs and I am wondering if there is a recommended CIDR value when creating VPCs. What are the factors that I must consider when choosing a CIDR and does the CIDR value affect ...
- 727