network: note on shared networks with IPv6#231
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Shared networks with IPv6 only cannot work. NPE is observed with MAC address of VM's NIC when a VM is deployed or added to such networks. TransactionCallbackWithExceptionNoReturn.doInTransaction:25-TransactionCallbackWithExceptionNoReturn.doInTransaction:21-Transaction.execute:40-DirectNetworkGuru.allocateDirectIp:280-DirectNetworkGuru.allocate:253-NetworkOrchestrator.allocateNic:951 2021-07-14 05:21:19,724 ERROR [c.c.a.ApiServer] (qtp109228794-1826:ctx-0f190552 ctx-dde78569) (logid:60f9ec82) unhandled exception executing api command: [Ljava.lang.String;@3f6b9f6b java.lang.NullPointerException at com.cloud.utils.net.NetUtils.EUI64Address(NetUtils.java:1626) Also discussed in apache/cloudstack#4563 (comment) Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>
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@blueorangutan docbuild |
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@shwstppr a Jenkins job has been kicked to build the document. I'll keep you posted as I make progress. |
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Doc build preview: http://qa.cloudstack.cloud/docs/WIP-PROOFING/pr/231. (SL-JID 112) |
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@wido can you please review this one, as I know you guys are heavy on IPv6 - this sounds strange to me - but perhaps true. |
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That is correct. IPv6-only networks are not yet supported with CloudStack. IPv4 is always needed at the moment. For example cloud-init requires it. |
GabrielBrascher
approved these changes
Aug 24, 2021
DaanHoogland
approved these changes
Aug 30, 2021
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Shared networks with IPv6 only cannot work. NPE is observed with MAC address of VM's NIC when a VM is deployed or added to such networks.
Also discussed in apache/cloudstack#4563 (comment)