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44 changes: 38 additions & 6 deletions modules/installation-network-user-infra.adoc
Original file line number Diff line number Diff line change
Expand Up @@ -27,30 +27,62 @@ components to communicate. Each machine must be able to resolve the host names
of all other machines in the cluster.

.All machines to all machines
[cols="2a,5a",options="header"]
[cols="2a,2a,5a",options="header"]
|===

|`2379`-`2380`
|etcd server, peer, and metrics ports
|Protocol
|Port
|Description

|`6443`
|Kubernetes API
|ICMP
|N/A
|Network reachability tests

.3+|TCP
|`9000`-`9999`
|Host level services, including the node exporter on ports `9100`-`9101` and
the Cluster Version Operator on port `9099`.

|`10249`-`10259`
|`10250`-`10259`
|The default ports that Kubernetes reserves

|`10256`
|openshift-sdn


.3+|UDP
|`4789`
|VXLAN and GENEVE

|`6081`
|VXLAN and GENEVE

|`9000`-`9999`
|Host level services, including the node exporter on ports `9100`-`9101`.

|TCP/UDP
|`30000`-`32767`
|Kubernetes NodePort

|===

.All machines to control plane
[cols="2a,2a,5a",options="header"]
|===

|Protocol
|Port
|Description

.2+|TCP
|`2379`-`2380`
|etcd server, peer, and metrics ports

|`6443`
|Kubernetes API

|===

[discrete]
== Network topology requirements

Expand Down