https://github.com/rgl/debian-router-vagrant

example debian linux router working in vagrant
https://github.com/rgl/debian-router-vagrant

debian debian-linux-router router vagrant

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example debian linux router working in vagrant

• Host: GitHub
• URL: https://github.com/rgl/debian-router-vagrant
• Owner: rgl
• Created: 2021-04-04T19:41:41.000Z (almost 4 years ago)
• Default Branch: main
• Last Pushed: 2022-03-12T12:00:13.000Z (almost 3 years ago)
• Last Synced: 2024-10-05T18:41:03.337Z (4 months ago)
• Topics: debian, debian-linux-router, router, vagrant
• Language: Shell
• Homepage:
• Size: 15.6 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# About

This is an example debian linux router working in vagrant.

Vagrant VMs need to have a management network wich is NATted by the host,

but that makes it difficult to play with the linux router, so this essentially

adds a secondary network interface that is used for routing, and replaces the

default route that is set by DHCP in `eth0` to use our router in `eth1`

instead. So everything that would be normally done at `eth0` must be done

in `eth1`.

The network is setup as:

![](diagram.png)

**NB** The dotted lines represent a network connection that is not directly used, instead, the traffic in those nodes goes through `eth1` and is routed by the `router` machine.

**NB** For a ansible managed environment see [rgl/debian-router-ansible-vagrant](https://github.com/rgl/debian-router-ansible-vagrant).

**NB** For a windows equivalent of this environment see

[rgl/windows-router-vagrant](https://github.com/rgl/windows-router-vagrant).

## Usage

Install the [base debian 11 box](https://github.com/rgl/debian-vagrant).

Start this environment:

```bash

time vagrant up --provider=libvirt --no-destroy-on-error --no-tty

```

## Network Packet Capture

You can easily capture and see traffic from the host with the `wireshark.sh`

script, e.g., to capture the traffic from the `eth1` interface on each VM:

```bash

./wireshark.sh router eth1 # or any

./wireshark.sh node1 eth1 # or any

./wireshark.sh node2 eth1 # or any

```