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cni-2 updates #116

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cni-2 updates #116

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vikramhh
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@vikramhh vikramhh commented Oct 2, 2024

updates based on changes made for cni phase 2

Signed-off-by: vikramhh <vsingh@mirantis.com>
@vikramhh vikramhh requested a review from a team as a code owner October 2, 2024 19:23
Signed-off-by: vikramhh <vsingh@mirantis.com>
Comment on lines +104 to +108
mke4 uses a static port range for k8s nodeports [32768-35535].
upgrade from mke3 to mke4 is only supported for clusters using the default k8s proxier (iptables)
only kdd backed mke3 clusters are supported for upgrading to mke4
once mke3 is successfully upgraded to mke4, it displays a list of ports that are no longer required to be opened on manager and/or worker nodes and could be blocked
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## Notes
mke4 uses a static port range for k8s nodeports [32768-35535].
upgrade from mke3 to mke4 is only supported for clusters using the default k8s proxier (iptables)
only kdd backed mke3 clusters are supported for upgrading to mke4
once mke3 is successfully upgraded to mke4, it displays a list of ports that are no longer required to be opened on manager and/or worker nodes and could be blocked
{{< callout type="note" >}}
- MKE 4 uses a static port range for Kubernetes NodePorts, from `32768` to `35535`.
- Only clusters that use the the default Kubernetes proxier `iptables` can be upgraded from MKE 3 to MKE 4.
- Only KDD-backed MKE 3 clusters can be upgraded to MKE 4.
- Following a successful MKE 3 to MKE 4 upgrade, a list displays that presents the ports that no longer need to be opened on manager or worker nodes. These ports can be blocked.
{{< /callout >}}

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