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A recurring question on the Docker mailing list and on the Docker IRC channel is “how can I change the network range used by Docker?”. While Docker itself doesn’t have a configuration option to change this network range (yet!), it is very easy to change it, and here is how. Docker’s default behavior When you (or your distro’s init scripts) start the Docker daemon, the daemon will check if it was given a -b option on the command-line. This option specifies the name of the bridge interface to be u...