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Update networking.md 

Signed-off-by: Wolfgang Powisch <powo@powo.priv.at>
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Wolfgang Powisch 2015-04-01 00:21:21 +02:00
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@ -652,7 +652,7 @@ for Docker. When adding a third host you would add a route for the subnet
Remember the subnet for Docker containers should at least have a size of `/80`. Remember the subnet for Docker containers should at least have a size of `/80`.
This way an IPv6 address can end with the container's MAC address and you This way an IPv6 address can end with the container's MAC address and you
prevent NDP neighbor cache invalidation issues in the Docker layer. So if you prevent NDP neighbor cache invalidation issues in the Docker layer. So if you
have a `/64` for your whole environment use `/68` subnets for the hosts and have a `/64` for your whole environment use `/78` subnets for the hosts and
`/80` for the containers. This way you can use 4096 hosts with 16 `/80` subnets `/80` for the containers. This way you can use 4096 hosts with 16 `/80` subnets
each. each.