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by bboreham 3642 days ago
OK, I see this is the same as what Flannel does in its aws-vpc backend, but I though you were saying you could do better. Maybe I mis-parsed what you said.

If you're adding a routing rule for every minion then you will also hit the 50 limit in AWS routing tables.

1 comments

Sorry about the confusion — yes, absolutely. One option is to ask AWS to increase it.

Flannel is just one of many different options if you need to go beyond 50 nodes. It seems some people use Flannel to create an overlay network, but this isn't necessary. You can use the host-gw mode to accomplish the same thing as Kubernetes' default routing-table-updating behaviour, but with routing tables maintained on each node instead.