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https://issues.apache.org/jira/browse/CLOUDSTACK-4550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13814900#comment-13814900
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Wei Zhou commented on CLOUDSTACK-4550:
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It looks good.
The vm should use brbond0-100, not brbond0.100-100.
It could be a misconfiguration.
What is the guest.network.device in agent.properties?
> [DOC] When upgrading KVM agents to 4.2(.1?) perform bridge renaming to have
> migration work
> ------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-4550
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4550
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Doc, KVM, Upgrade
> Affects Versions: 4.2.0
> Reporter: Prasanna Santhanam
> Priority: Critical
> Attachments: bridge.jpg
>
>
> See CLOUDSTACK-4405 for the original bug. This is the doc to be prepared as
> part of upgrade in release notes once the fix for the bug is verified to work
> After network bridges being renamed from cloudVirBrVLAN to brem1-VLAN to
> support the same VLAN on multiple physical networks the migration of VMs from
> hosts prior the upgrade to the ones added after the upgrade will fail.
> In order to fix this rename the bridges is required to allow migration to
> work.
> This can be done by running the cloudstack-agent-upgrade script. The original
> bug is still undergoing testing, but these are the initial instructions
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