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Updated Networking Requirements for Vsphere IPI #40594

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Updated Networking Requirements for Vsphere IPI #40594

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17 changes: 17 additions & 0 deletions modules/installation-vsphere-installer-infra-requirements.adoc
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Expand Up @@ -300,3 +300,20 @@ endif::[]
ifeval::["{context}" == "installing-restricted-networks-vmc"]
:!restricted:
endif::[]

[IMPORTANT]
====
While provisioning more than one OCP cluster in same multicast domain with installer-provisioned vSphere installation, make sure that the VRRP router IDs should not be conflicting.
----
$ podman run quay.io/openshift/origin-baremetal-runtimecfg:TAG vr-ids cnf10
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@jinyunma jinyunma May 5, 2022

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Here cnf10, cnf11 are cluster name, suggest to describe the usage of podman command. For example:
$ podman run quay.io/openshift/origin-baremetal-runtimecfg:[TAG] vr-ids [CLUSTER_NAME]

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@kalexand-rh kalexand-rh Aug 5, 2022

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@dpateriya, will you please update your PR?

APIVirtualRouterID: 147
IngressVirtualRouterID: 2
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Where TAG is the release you are going to install, e.g., 4.9. Let's see another example:
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$ podman run quay.io/openshift/origin-baremetal-runtimecfg:TAG vr-ids cnf11
APIVirtualRouterID: 228
IngressVirtualRouterID: 147
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In the example output above two clusters in the same multicast domain with names cnf10 and cnf11 would lead to a conflict.
====