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[enterprise-4.13] OCPBUGS-49379 autoAssign=true present in ipaddresspool CR assigns the first available host IP from a network #95047

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Jun 20, 2025
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[enterprise-4.13] OCPBUGS-49379 autoAssign=true present in ipaddresspool CR assigns the first available host IP from a network #95047

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7 changes: 6 additions & 1 deletion modules/nw-metallb-addresspool-cr.adoc
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Expand Up @@ -45,9 +45,14 @@ Specify each range in CIDR notation or as starting and ending IP addresses separ
|`spec.autoAssign`
|`boolean`
|Optional: Specifies whether MetalLB automatically assigns IP addresses from this pool.
Specify `false` if you want explicitly request an IP address from this pool with the `metallb.universe.tf/address-pool` annotation.
Specify `false` if you want to explicitly request an IP address from this pool with the `metallb.universe.tf/address-pool` annotation.
The default value is `true`.

[NOTE]
====
For IP address pool configurations, ensure the addresses field specifies only IPs that are available and not in use by other network devices, especially gateway addresses, to prevent conflicts when `autoAssign` is enabled.
====

|`spec.avoidBuggyIPs`
|`boolean`
|Optional: This ensures when enabled that IP addresses ending `.0` and `.255` are not allocated from the pool. The default value is `false`. Some older consumer network equipment mistakenly block IP addresses ending in `.0` and `.255`.
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