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91 lines
1.5 KiB
Plaintext
91 lines
1.5 KiB
Plaintext
// Module included in the following assemblies:
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//
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// * installing/installing_vsphere/ipi/ipi-vsphere-installation-reqs.adoc
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:_mod-docs-content-type: CONCEPT
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[id="installation-vsphere-installer-network-requirements_{context}"]
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= Network connectivity requirements
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You must configure the network connectivity between machines to allow {product-title} cluster components to communicate.
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Review the following details about the required network ports.
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.Ports used for all-machine to all-machine communications
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[cols="2a,2a,5a",options="header"]
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|===
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|Protocol
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|Port
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|Description
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|VRRP
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|N/A
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|Required for keepalived
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|ICMP
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|N/A
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|Network reachability tests
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.3+|TCP
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|`1936`
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|Metrics
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|`9000`-`9999`
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|Host level services, including the node exporter on ports `9100`-`9101` and
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the Cluster Version Operator on port `9099`.
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|`10250`-`10259`
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|The default ports that Kubernetes reserves
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.5+|UDP
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|`6081`
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|Geneve
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|`9000`-`9999`
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|Host level services, including the node exporter on ports `9100`-`9101`.
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|`500`
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|IPsec IKE packets
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|`4500`
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|IPsec NAT-T packets
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|TCP/UDP
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|`30000`-`32767`
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|Kubernetes node port
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|ESP
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|N/A
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|IPsec Encapsulating Security Payload (ESP)
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|===
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.Ports used for all-machine to control plane communications
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[cols="2a,2a,5a",options="header"]
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|===
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|Protocol
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|Port
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|Description
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|TCP
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|`6443`
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|Kubernetes API
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|===
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.Ports used for control plane machine to control plane machine communications
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[cols="2a,2a,5a",options="header"]
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|===
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|Protocol
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|Port
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|Description
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|TCP
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|`2379`-`2380`
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|etcd server and peer ports
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|===
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