How can I troubleshoot network issues in Docker Swarm?
To troubleshoot network issues in Docker Swarm, start by checking the status of your services and nodes using docker service ls
and docker node ls
.
What if my services are not reachable from other nodes?
If services are not reachable, ensure that the overlay network is properly configured and that all nodes can communicate with each other.
How do I check the overlay network configuration?
You can inspect the overlay network by running docker network inspect <network_name>
. This will show you the connected containers and their settings.
What logs should I check for more details?
Check the Docker daemon logs on each node for any error messages related to networking. You can view logs using journalctl -u docker
.
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