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Correct scratch guide re: bridge and iptables

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Replace "eth0" with "cbr0" in "ip add" command,
as reported by github user @kjvalencik.

Update iptables command to match changes in #13348.
This commit is contained in:
Eric Tune 2015-09-24 09:17:23 -07:00
parent 284039c9d2
commit ae5da89a64
1 changed files with 2 additions and 2 deletions
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4
docs/getting-started-guides/scratch.md
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@ -476,7 +476,7 @@ because of how this is used later.
1. Set appropriate MTU 1. Set appropriate MTU
- `ip link set dev cbr0 mtu 1460` (NOTE: the actual value of MTU will depend on your network environment) - `ip link set dev cbr0 mtu 1460` (NOTE: the actual value of MTU will depend on your network environment)
1. Add the clusters network to the bridge (docker will go on other side of bridge). 1. Add the clusters network to the bridge (docker will go on other side of bridge).
- e.g. `ip addr add $NODE_X_BRIDGE_ADDR dev eth0` - e.g. `ip addr add $NODE_X_BRIDGE_ADDR dev cbr0`
1. Turn it on 1. Turn it on
- e.g. `ip link set dev cbr0 up` - e.g. `ip link set dev cbr0 up`
@ -485,7 +485,7 @@ other, then you may need to do masquerading just for destination IPs outside
the cluster network. For example: the cluster network. For example:
```sh ```sh
iptables -w -t nat -A POSTROUTING -o eth0 -j MASQUERADE \! -d ${CLUSTER_SUBNET} iptables -t nat -A POSTROUTING ! -d ${CLUSTER_SUBNET} -m addrtype ! --dst-type LOCAL -j MASQUERADE
``` ```
This will rewrite the source address from This will rewrite the source address from