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How to make docker network create a "/29" by default?


I create many networks and the default setting currently make me hit the limit too quickly.

When I hit the limit, I get “Error response from daemon: could not find an available, non-overlapping IPv4 address pool among the defaults to assign to the network

One thing I could begin with is to make Docker assign smaller pieces of network. For my usage, “/29” subnets are fine.

How can I tell Docker to create “/29” by default?

SSH into the Hyperglance Instance/VM.
You need to edit /etc/docker/daemon. json. Add “bip”: "172.26. …
Restart Docker: sudo systemctl restart docker.
Check the routing table: netstat -rn. You should see the following output (see the relevant line in bold): Kernel IP routing table.