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https://issues.apache.org/jira/browse/CLOUDSTACK-9723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15806066#comment-15806066
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ASF GitHub Bot commented on CLOUDSTACK-9723:
--------------------------------------------
Github user jburwell commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/1883#discussion_r95035461
--- Diff: utils/src/main/java/com/cloud/utils/net/NetUtils.java ---
@@ -83,9 +83,19 @@
public final static int DEFAULT_AUTOSCALE_POLICY_INTERVAL_TIME = 30;
public final static int DEFAULT_AUTOSCALE_POLICY_QUIET_TIME = 5 * 60;
private final static Random s_rand = new
Random(System.currentTimeMillis());
-
- public static long createSequenceBasedMacAddress(final long
macAddress) {
- return macAddress | 0x060000000000l | (long)s_rand.nextInt(32768)
<< 25 & 0x00fffe000000l;
+ private final static long prefix = 0x1e;
+
+ public static long createSequenceBasedMacAddress(final long
macAddress, long globalConfig) {
--- End diff --
Is it acceptable for ``macAddress`` or ``globalConfig`` to be less than
zero? Is the maximum value permitted?
Also, please add unit test case(s) to verify the behavior of this method.
> Enable unique mac address across different deployments and networks
> -------------------------------------------------------------------
>
> Key: CLOUDSTACK-9723
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9723
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Reporter: Jayapal Reddy
> Assignee: Jayapal Reddy
> Fix For: 4.10.0.0
>
>
> Specify the MAC address range for VMs created in ACS
> If there are Multiple CCP environments, There is difficulty in identifying
> VMs based on their MAC addresses since the addresses are duplicated across
> environments.
> Specifying the MAC address range in zone will avoid the conflict.
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