Add an option to disable IP masquerading
For the cases where --bip option is used it is sometimes best to disable
IP masquerading as the provided bridge IP range may be routable.
@@ -67,6 +67,7 @@ expect an integer, and they can only be specified once.
--icc=true Enable inter-container communication
--ip=0.0.0.0 Default IP address to use when binding container ports
--ip-forward=true Enable net.ipv4.ip_forward
+ --ip-masq=true Enable IP masquerading for bridge's IP range.
--iptables=true Enable Docker's addition of iptables rules
--mtu=0 Set the containers network MTU
if no value is provided: default to the default route MTU or 1500 if no default route is available
@@ -110,6 +111,10 @@ the `-H` flag for the client.
$ sudo docker ps
# both are equal
+IP masquerading uses address translation to allow containers without a public IP to talk
+to other machines on the Internet. This may interfere with some network topologies and
+can be disabled with --ip-masq=false.
+
To run the daemon with [systemd socket activation](
http://0pointer.de/blog/projects/socket-activation.html), use
`docker -d -H fd://`. Using `fd://` will work perfectly for most setups but
