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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-6434) Enable redundant virtual router to configure interval for VRRP broadcast
Date Thu, 17 Apr 2014 03:18:15 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-6434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13972260#comment-13972260
] 

ASF subversion and git services commented on CLOUDSTACK-6434:
-------------------------------------------------------------

Commit dcb0db6084532f05934f9840e1bbfbcd2f2afc62 in cloudstack's branch refs/heads/4.4 from
[~yasker]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=dcb0db6 ]

CLOUDSTACK-6434: Make RvR advert_int configurable

In some network environment, 1*3 seconds by default make RvR setup too
sensitive. A configurable parameter would be better for fitting different
network environments.


> Enable redundant virtual router to configure interval for VRRP broadcast
> ------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-6434
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6434
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.4.0, 4.5.0
>            Reporter: Sheng Yang
>            Assignee: Sheng Yang
>             Fix For: 4.4.0, 4.5.0
>
>
> Originally RvR are set VRRP broadcast interval to 1s, which means if BACKUP didn't get
message in 3 x 1s(miss 3 times), then it would kick in.
> In some heavy network environment, 3s may be too sensitive and cause BACKUP/MASTER router
switch back and forth. In this kind of environment, we need a way to specify interval for
VRRP broadcast, to prevent unnecessary and mostly troubled switch back and forth for RvR.



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