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https://issues.apache.org/jira/browse/CLOUDSTACK-10235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16331710#comment-16331710
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Alexander Conn commented on CLOUDSTACK-10235:
---------------------------------------------
Ok I can see this is being done by the management server:
2018-01-19 13:33:43,263 DEBUG [c.c.h.x.r.CitrixResourceBase]
(DirectAgent-413:ctx-e3bdcca3) (logid:0268a127) Executing command in VR:
/opt/cloud/bin/router_proxy.sh netusage.sh 169.254.1.201 -d eth1
Which is handled by this function: protected ExecutionResult
cleanupNetworkElementCommand
file:
[https://github.com/apache/cloudstack/blob/a30a31c9b7f9b5fe246a02285bf820e7fe9ce16e/plugins/hypervisors/xenserver/src/com/cloud/hypervisor/xenserver/resource/CitrixResourceBase.java]
For whatever reason, it thinks that the IP used for port forwarding is the last
IP for whatever reason and as a result deletes the public interface. Need to
further investigate why...
> Removing Port Forwarding rule deletes public interface on VR (redundant VPC
> only)
> ---------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-10235
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-10235
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: VPC
> Affects Versions: 4.9.3.0
> Environment: XenServer 6.2
> Reporter: Alexander Conn
> Priority: Critical
>
> Steps I've taken to reproduce in my environment on a redundant VPC (no issue
> on normal VPC):
> # Acquire public IP and create a port forwarding rule on it
> # Remove that port forwarding rule
> # You'll see on the MASTER VR, the public interface (eth1) gets removed
> incorrectly. Causing all sorts of issues, including issues with VRRP.
> # Add a port forwarding rule back, and eth1 gets recreated. But now your
> stuck with needing at least 1 PF rule to be there in order to keep eth1
> connected.
>
>
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