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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9717) [VMware] RVRs have mismatching MAC addresses for extra public NICs
Date Tue, 21 Feb 2017 15:05:44 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15876126#comment-15876126
] 

ASF GitHub Bot commented on CLOUDSTACK-9717:
--------------------------------------------

Github user rafaelweingartner commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/1878#discussion_r102226833
  
    --- Diff: plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java
---
    @@ -2071,6 +2120,14 @@ protected StartAnswer execute(StartCommand cmd) {
             }
         }
     
    +    private void replaceNicsMacSequenceInBootArgs(String oldMacSequence, String newMacSequence,
VirtualMachineTO vmSpec) {
    +        String bootArgs = vmSpec.getBootArgs();
    +        if (!StringUtils.isEmpty(bootArgs) && !StringUtils.isEmpty(oldMacSequence)
&& !StringUtils.isEmpty(newMacSequence)) {
    +            //Update boot args with the new nic mac addresses
    --- End diff --
    
    What about moving this comment to the method documentation?
    Also, how do you feel about test cases? The method is pretty simple and it will not be
hard to write some unit test for it.



> [VMware] RVRs have mismatching MAC addresses for extra public NICs
> ------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9717
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9717
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Network Controller, VMware
>            Reporter: Suresh Kumar Anaparti
>            Assignee: Suresh Kumar Anaparti
>             Fix For: 4.10.0.0
>
>
> [CLOUDSTACK-985|https://issues.apache.org/jira/browse/CLOUDSTACK-985] doesn't seem to
be completely fixed.
> ISSUE
> ==================
> If there are two public networks on two VLANs, and a pair redundant VRs acquire IPs from
both, the associated NICs on the redundant VRs will have mismatching MAC addresses.  
> The example below shows the eth2 NICs for the first public network (210.140.168.0/21)
have matching MAC addresses (06:c4:b6:00:03:df) as expected, but the eth3 NICs for the second
one (210.140.160.0/21) have mismatching MACs (02:00:50:e1:6c:cd versus 02:00:5a:e6:6c:d5).
> *r-43584-VM (Master)*
> 6: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UNKNOWN qlen
1000 
> link/ether 06:c4:b6:00:03:df brd ff:ff:ff:ff:ff:ff 
> inet 210.140.168.42/21 brd 210.140.175.255 scope global eth2 
> inet 210.140.168.20/21 brd 210.140.175.255 scope global secondary eth2 
> 8: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UNKNOWN qlen
1000 
> link/ether 02:00:50:e1:6c:cd brd ff:ff:ff:ff:ff:ff 
> inet 210.140.162.124/21 brd 210.140.167.255 scope global eth3 
> inet 210.140.163.36/21 brd 210.140.167.255 scope global secondary eth3 
> *r-43585-VM (Backup)*
> 6: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 
> link/ether 06:c4:b6:00:03:df brd ff:ff:ff:ff:ff:ff 
> inet 210.140.168.42/21 brd 210.140.175.255 scope global eth2 
> inet 210.140.168.20/21 brd 210.140.175.255 scope global secondary eth2 
> 8: eth3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 
> link/ether 02:00:5a:e6:6c:d5 brd ff:ff:ff:ff:ff:ff 
> inet 210.140.162.124/21 brd 210.140.167.255 scope global eth3 
> inet 210.140.163.36/21 brd 210.140.167.255 scope global secondary eth3 
> CloudStack should ensure that the NICs for all public networks have matching MACs.
> REPRO STEPS
> ==================
> 1) Set up redundant VR.
> 2) Set up multiple public networks on different VLANs.
> 3) Acquire IPs in the RVR network until the VRs get IPs in the different public networks.
> 4) Confirm the mismatching MAC addresses.
> EXPECTED BEHAVIOR
> ==================
> Redundant VRs have matching MACs for all public networks.
> ACTUAL BEHAVIOR
> ==================
> Redundant VRs have matching MACs only for the first public network.



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