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* Feature/cloud (#8) * calc for cloud platforms * updates after further testing * remove debugging statements --------- Co-authored-by: Caesar Kabalan <caesar.kabalan@gmail.com> Co-authored-by: Byron Collins <byron_collins@hotmail.com> * refactor cloud subnet sizes based on feedback * added missing integrity SRI Hashes * update set_popover_content * Modify description to highlight AWS and Azure capabilities. --------- Co-authored-by: Caesar Kabalan <caesar.kabalan@gmail.com> Co-authored-by: Byron Collins <byron_collins@hotmail.com> |
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Visual Subnet Calculator - visualsubnetcalc.com
Visual Subnet Calculator is a modernized tool based on the original work by davidc. It strives to be a tool for quickly designing networks and collaborating on that design with others. It focuses on expediting the work of network administrators, not academic subnetting math.
Design Tenets
The following tenets are the most important values that drive the design of the tool. New features, pull requests, etc should align to these tenets, or propose an adjustment to the tenets.
- Simplicity is king. Network admins are busy and Visual Subnet Calculator should always be easy for FIRST TIME USERS to quickly and intuitively use.
- Subnetting is design work. Promote features that enhance visual clarity and easy mental processing of even the most complex architectures.
- Users control the data. We store nothing, but provide convenient ways for users to save and share their designs.
- Embrace community contributions. Consider and respond to all feedback and pull requests in the context of these tenets.
Building From Source
If you have a more opinionated best-practice way to lay out this repository please open an issue.
Build prerequisites:
- (Optional but recommended) NVM to manage node version
- node.js (version 20) and associated NPM.
- sass (Globally installed, following instructions below.)
Compile from source:
# Clone the repository
> git clone https://github.com/ckabalan/visualsubnetcalc
# Use recommended NVM version
> nvm use
# Change to the sources directory
> cd visualsubnetcalc/src
# Install Bootstrap
> npm install
# Compile Bootstrap (Also install sass command line globally)
> npm run build
# Run the local webserver
> npm start
The full application should then be available within ./dist/, open ./dist/index.html in a browser.
Run with certificates (Optional)
NB: required for testing clipboard.writeText() in the browser. Feature is only available in secure (https) mode.
#Install mkcert
> brew install mkcert
# generate CA Certs to be trusted by local browsers
> mkcert install
# generate certs for local development
> cd visualsubnetcalc/src
# generate certs for local development
> npm run setup:certs
# run the local webserver with https
> npm run local-secure-start
Cloud Subnet Notes
Standard mode:
- Smallest subnet: /32
- Two reserved addresses per subnet of size <= 30:
- Network Address (network + 0)
- Broadcast Address (last network address)
AWS mode :
- Smallest subnet: /28
- Five reserved addresses per subnet:
- Network Address (network + 0)
- AWS Reserved - VPC Router
- AWS Reserved - VPC DNS
- AWS Reserved - Future Use
- Broadcast Address (last network address)
Azure mode :
- Smallest subnet: /29
- Five reserved addresses per subnet:
- Network Address (network + 0)
- Azure Reserved - Default Gateway
- Azure Reserved - DNS Mapping
- Azure Reserved - DNS Mapping
- Broadcast Address (last network address)
Credits
Split icon made by Freepik from Flaticon.
License
Visual Subnet Calculator is released under the MIT License