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README.md
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README.md
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# GNS3-server
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# GNS3 server repository
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[](https://github.com/psf/black)
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[](https://github.com/GNS3/gns3-server/actions?query=workflow%3Atesting+branch%3A3.0)
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[](https://pypi.python.org/pypi/gns3-server)
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[](https://snyk.io/test/github/GNS3/gns3-server)
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This is the GNS3 server repository.
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The GNS3 server manages emulators such as Dynamips, VirtualBox or Qemu/KVM.
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The GNS3 server manages emulators and other virtualization software such as Dynamips, Qemu/KVM, Docker, VPCS, VirtualBox and VMware Workstation.
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Clients like the [GNS3 GUI](https://github.com/GNS3/gns3-gui/) and the [GNS3 Web UI](https://github.com/GNS3/gns3-web-ui>) control the server using a HTTP REST API.
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## Software dependencies
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## Installation
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In addition to Python dependencies listed in a section below, other software may be required, recommended or optional.
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These instructions are for using GNS3, please see below for development.
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* [uBridge](https://github.com/GNS3/ubridge/) is required, it interconnects the nodes.
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* [Dynamips](https://github.com/GNS3/dynamips/) is required for running IOS routers (using real IOS images) as well as the internal switches and hubs.
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* [VPCS](https://github.com/GNS3/vpcs/) is recommended, it is a builtin node simulating a very simple computer to perform connectivity tests using ping, traceroute etc.
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* Qemu is strongly recommended on Linux, as most node types are based on Qemu, for example Cisco IOSv and Arista vEOS.
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* libvirt is recommended (Linux only), as it's needed for the NAT cloud.
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* Docker is optional (Linux only), some nodes are based on Docker.
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* mtools is recommended to support data transfer to/from QEMU VMs using virtual disks.
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* i386-libraries of libc and libcrypto are optional (Linux only), they are only needed to run IOU based nodes.
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### Windows & macOS
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### Docker support
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Please use our [Windows installer or DMG package](https://gns3.com/software/download) to install the stable build along with the GNS3 VM.
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Note that as of GNS3 version above 3.0, you must run the server using the GNS3 VM or on a Linux system (remote, cloud or virtual machine).
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Docker support needs the script program (`bsdutils` or `util-linux` package), when running a docker VM and a static busybox during installation (python3 setup.py install / pip3 install / package creation).
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### Linux
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## Branches
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#### Ubuntu based distributions
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### master
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We build and test packages for actively supported Ubuntu versions.
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Other distros based on Ubuntu, like Mint, should also be supported.
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master is the next stable release, you can test it in your day-to -day activities.
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Bug fixes or small improvements pull requests go here.
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Packages can be installed from our Personal Package Archives (PPA) repository:
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3.x
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Development brand for the next major release
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```shell
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sudo apt update
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sudo apt install software-properties-common
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sudo add-apt-repository ppa:gns3/ppa
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sudo apt update
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sudo apt install gns3-gui gns3-server
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```
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**Never** use this branch for production. Pull requests for major new features go here.
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#### Other Linux distributions
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## Linux
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GNS3 is perhaps packaged for your distribution:
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GNS3 is often packaged for other distributions by third-parties:
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* [Gentoo](https://packages.gentoo.org/package/net-misc/gns3-server)
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* [Alpine](https://pkgs.alpinelinux.org/package/v3.10/community/x86_64/gns3-server)
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* [NixOS](https://search.nixos.org/packages?channel=21.11&from=0&size=50&sort=relevance&type=packages&query=gns3-server)
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#### PyPi
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### Linux (Debian based)
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You may use PyPi in case no package is provided, or you would like to do a manual installation:
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The following instructions have been tested with Ubuntu and Mint.
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You must be connected to the Internet in order to install the dependencies.
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### Dependencies:
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- Python >= 3.6, setuptools and the ones listed in [requirements.txt](https://github.com/GNS3/gns3-server/blob/3.0/requirements.txt>)
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The following commands will install some of these dependencies:
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* https://pypi.org/project/gns3-server/
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* https://pypi.org/project/gns3-gui/
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```shell
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sudo apt-get install python3-setuptools
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python3 -m pip install gns3-gui
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python3 -m pip install gns3-server
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```
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Finally, these commands will install the server as well as the rest of the dependencies:
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The downside of this method is you will have to manually install all dependencies (see below).
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Please see our [documentation](https://docs.gns3.com/docs/getting-started/installation/linux) for more details.
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### Software dependencies
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In addition to Python dependencies, other software may be required, recommended or optional.
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* [uBridge](https://github.com/GNS3/ubridge/) is required, it interconnects the nodes.
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* [Dynamips](https://github.com/GNS3/dynamips/) is required for running IOS routers (using real IOS images) as well as the internal switches and hubs.
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* [VPCS](https://github.com/GNS3/vpcs/) is recommended, it is a builtin node simulating a very simple computer to perform connectivity tests using ping, traceroute etc.
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* Qemu is strongly recommended as most node types are based on Qemu, for example Cisco IOSv and Arista vEOS.
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* libvirt is recommended as it's needed for the NAT cloud.
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* Docker is optional, some nodes are based on Docker.
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* mtools is recommended to support data transfer to/from QEMU VMs using virtual disks.
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* i386-libraries of libc and libcrypto are optional, they are only needed to run IOU based nodes.
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Note that Docker needs the script program (`bsdutils` or `util-linux` package), when running a Docker VM and a static busybox during installation (python3 setup.py install / pip3 install / package creation).
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## Development
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### Setting up
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These commands will install the server as well as all Python dependencies:
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```shell
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cd gns3-server-master
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git clone https://github.com/GNS3/gns3-server
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cd gns3-server
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git checkout 3.0
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python3 -m venv venv-gns3server
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source venv-gns3server/bin/activate
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sudo python3 setup.py install
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python3 setup.py install
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python3 -m gns3server --local
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```
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To run tests use:
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You will have to manually install other software dependencies (see above), for Dynamips, VPCS and uBridge the easiest is to install from our PPA.
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```shell
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python3 -m pytest tests
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```
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### Docker container
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## Docker container
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For development, you can run the GNS3 server in a container
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Alternatively, you can run the GNS3 server in a container
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```shell
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bash scripts/docker_dev_server.sh
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```
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## Run as daemon (Unix only)
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You will find init sample scripts for various systems
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inside the init directory.
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Useful options:
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* `--daemon`: start process as a daemon
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* `--log logfile`: store output in a logfile
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* `--pid pidfile`: store the pid of the running process in a file and prevent double execution
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All init scripts require the creation of a GNS3 user. You can change it to another user.
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```shell
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sudo adduser gns3
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```
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### systemd
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You need to copy init/gns3.service.systemd to /lib/systemd/system/gns3.service
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```shell
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sudo chown root /lib/systemd/system/gns3.service
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sudo systemctl start gns3
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```
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## Windows
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Please use our [Windows installer](https://community.gns3.com/software/download) to install the stable build along with the GNS3 VM
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### Mac OS X
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Please use our [DMG package](https://community.gns3.com/software/download) for a simple installation along with the GNS3 VM (VMware Fusion is recommended)
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## SSL
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If you want enable SSL support on GNS3 you can generate a self-signed certificate:
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```shell
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bash gns3server/cert_utils/create_cert.sh
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```
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This command will put the files in ~/.config/GNS3/ssl
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After you can start the server in SSL mode with:
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```shell
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python gns3server/main.py --certfile ~/.config/GNS3/ssl/server.cert --certkey ~/.config/GNS3/ssl/server.key --ssl
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```
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Or in your gns3_server.conf by adding in the Server section:
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```ini
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[Server]
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certfile=/Users/noplay/.config/GNS3/ssl/server.cert
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certkey=/Users/noplay/.config/GNS3/ssl/server.key
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ssl=True
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```
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### Running tests
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First, install the development dependencies
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First, install the development dependencies:
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```shell
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python3 -m pip install -r dev-requirements.txt
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```
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Then run the tests using pytest
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Then run the tests using pytest:
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```shell
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python3 -m pytest -vv tests/
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```
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## Security issues
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### API documentation
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Please contact us at security@gns3.net
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The API documentation can be accessed when running the server locally:
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* On `http://IP:PORT/docs` to see with Swagger UI (i.e. `http://localhost:3080/docs`)
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* On `http://IP:PORT/redoc` to see with ReDoc (i.e. `http://localhost:3080/redoc`)
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The documentation can also be viewed [online](http://apiv3.gns3.net) however it may not be the most up-to-date version since it needs manually synchronization with the current code. Also, you cannot use this to interact with a GNS3 server.
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### Branches
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#### master
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master is the next stable release, you can test it in your day-to -day activities.
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Bug fixes or small improvements pull requests go here.
|
||||
|
||||
3.x development brand for the next major release.
|
||||
|
||||
**Never** use this branch for production. Pull requests for major new features go here.
|
||||
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