PowerProtect Cyber Recovery: Readdressing the Docker network on an existing Cyber Recovery deployment

Summary: This Knowledge Article shows step-by-step instructions on how to readdress the docker network on an existing Cyber Recovery deployment.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Instructions

1. Log in to Cyber Recovery CLI as admin and su to root and enter the root password

2. Save any previous Cyber Recovery configurations:

crsetup.sh --save

3. Stop the Cyber Recovery software:
crsetup.sh --stop

4. Remove the Docker cr_back and cr_front networks:

docker network rm cr_front cr_back

5. Stop the Docker services:

systemctl stop docker.service

6. Add a default-address-pools definition for your environment to the /etc/docker/daemon.json file:

daemon.json File Snippet

NOTE: Make sure a coma is added after the parenthesis before the "default-address pools line" as indicated on the screenshot above.

Text example of the daemon.json file format;

/etc/docker # cat daemon.json
_______________________________________________
{
        "log-level": "warn",
        "log-driver": "json-file",
        "log-opts": {
                "max-size": "10m",
                "max-file": "5"
        },
        "default-address-pools": [{
                "base": "11.18.180.0/19",
                "size": 24
        }]
}

_________________________________________________


7. Update the configuration:

systemctl daemon-reload

8. Restart the Docker services:

systemctl start docker.service

9. Verify that the docker0: interface is allocated from the pool that is defined in step 5:

ifconfig | more 

10. Re-create the Cyber Recovery containers :

crsetup.sh --forcerecreate

 

Affected Products

PowerProtect Cyber Recovery
Article Properties
Article Number: 000206344
Article Type: How To
Last Modified: 28 Mar 2025
Version:  3
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