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https://issues.apache.org/jira/browse/CLOUDSTACK-6564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13987670#comment-13987670
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ASF subversion and git services commented on CLOUDSTACK-6564:
-------------------------------------------------------------

Commit d5374ed650aaa36d68ee16ca5e69c97e197f1b6e in cloudstack's branch 
refs/heads/4.4-forward from [~murali.reddy]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=d5374ed ]

CLOUDSTACK-6564: OVS distributed routing: use file based OF rule updates

use ovs-ofctl replace flows by file name option to update the OF rules
instead of sequenetially configuring the rules.


> OVS distributed routing: use file based OF rule updates
> -------------------------------------------------------
>
>                 Key: CLOUDSTACK-6564
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6564
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the 
> default.) 
>    Affects Versions: 4.4.0
>            Reporter: Murali Reddy
>            Assignee: Murali Reddy
>             Fix For: 4.4.0
>
>
> When,  VpcPhysicalTopologyConfigCommand, OvsVpcRoutingPoli     
> cyConfigCommand are sent by management server, scripts that populate the open 
> flow rules to the bridge are configuring rules sequentially one after other. 
> this no effective and probability error prone as well if a rule fails to 
> program there is no revoking.
> To avoid such situation first create a file, that has all the updates and use 
> the ovs-ofctl option to replace the bridge rules through the file.



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