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Merge pull request #19157 from wenchma/update_build_bridges

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Update the doc of build-bridges.md
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Vincent Demeester 2016-01-14 11:10:37 +01:00
commit 0ed2e26f51
1 changed files with 7 additions and 6 deletions
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docs/userguide/networking/default_network/build-bridges.md
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@ -10,7 +10,7 @@ parent = "smn_networking_def"
# Build your own bridge # Build your own bridge
This section explains building your own bridge to replaced the Docker default This section explains how to build your own bridge to replace the Docker default
bridge. This is a `bridge` network named `bridge` created automatically when you bridge. This is a `bridge` network named `bridge` created automatically when you
install Docker. install Docker.
@ -18,9 +18,10 @@ install Docker.
create user-defined networks in addition to the default bridge network. create user-defined networks in addition to the default bridge network.
You can set up your own bridge before starting Docker and use `-b BRIDGE` or You can set up your own bridge before starting Docker and use `-b BRIDGE` or
`--bridge=BRIDGE` to tell Docker to use your bridge instead. If you already `--bridge=BRIDGE` to tell Docker to use your bridge instead. If you already
have Docker up and running with its default `docker0` still configured, you will have Docker up and running with its default `docker0` still configured,
probably want to begin by stopping the service and removing the interface: you can directly create your bridge and restart Docker with it or want to begin by
stopping the service and removing the interface:
``` ```
# Stopping Docker and removing docker0 # Stopping Docker and removing docker0
@ -32,7 +33,7 @@ $ sudo iptables -t nat -F POSTROUTING
``` ```
Then, before starting the Docker service, create your own bridge and give it Then, before starting the Docker service, create your own bridge and give it
whatever configuration you want. Here we will create a simple enough bridge whatever configuration you want. Here we will create a simple enough bridge
that we really could just have used the options in the previous section to that we really could just have used the options in the previous section to
customize `docker0`, but it will be enough to illustrate the technique. customize `docker0`, but it will be enough to illustrate the technique.
@ -66,7 +67,7 @@ MASQUERADE all -- 192.168.5.0/24 0.0.0.0/0
``` ```
The result should be that the Docker server starts successfully and is now The result should be that the Docker server starts successfully and is now
prepared to bind containers to the new bridge. After pausing to verify the prepared to bind containers to the new bridge. After pausing to verify the
bridge's configuration, try creating a container -- you will see that its IP bridge's configuration, try creating a container -- you will see that its IP
address is in your new IP address range, which Docker will have auto-detected. address is in your new IP address range, which Docker will have auto-detected.