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rokazemi
Cisco Employee
Cisco Employee

Symptoms

Satellite version 6.x uses some internal networks for docker communication. ip address range 172.17.0.0/16 and 172.16.0.0/24 .  If you have a conflict and using these networks on the same vlans as Satellite version 6.x is installed, you can change these address assignments to avoid duplicates and routing loops.  

Diagnosis

To see what addresses are used by Satellite version 6.x do ,

sudo -s

ip a 

and view interface addresses for docker0 and atantis0.  If you feel there is a routing problem due to duplicates network assignments please use the steps below to resolve

 

Solution

[atlantis0]

Edit the last few lines of /home/deployer/atlantis/docker-compose-up.yml to the following:

networks:

  default:

    driver: bridge

    driver_opts:

       com.docker.network.bridge.name: atlantis0

    enable_ipv6: true

    ipam:

      config:

        - subnet: 192.168.200.0/24

          gateway: 192.168.200.254

        - subnet: fd00:dead:beef::/48

 

[docker0]

Create the file /etc/docker/daemon.json with the following contents:

{

  "bip": "192.168.201.1/24"

}

 

After the above procedures, restart the satellite.

 

Comments
vnandan
Cisco Employee
Cisco Employee

 

To start the satellite after the above procedures,
systemctl status satellite systemctl stop satellite systemctl status satellite systemctl status docker systemctl stop docker systemctl status docker systemctl start docker systemctl status docker systemctl status satellite systemctl start satellite systemctl status satellite
Debojyoti Gogoi
Cisco Employee
Cisco Employee

Is this for Onprem7 as well ?

PETER NEBLETT
Level 1
Level 1

The instructions / suggestions posted above by Rozazem & Vnandan work 100% on point !!!!

Thank you!!!!

Devrat Kamath
Cisco Employee
Cisco Employee

For folks running SSM 8.x or above - please use this guide: https://www.cisco.com/web/software/286326948/159739/SSM_On-Prem_8_Installation_Guide.pdf

You'll need to run the command onprem-console on the CLI and once you're in the console - run the command docker_network_config

This will let you setup a different network (not in use elsewhere in your network) for the containers to use.

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