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From "Nate Edel (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8271) NameNode should bind on both IPv6 and IPv4 if running on dual-stack machine and IPv6 enabled
Date Mon, 27 Apr 2015 21:48:38 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nate Edel updated HDFS-8271:
----------------------------
      Tags:   (was: ipv6)
    Labels: ipv6  (was: )

> NameNode should bind on both IPv6 and IPv4 if running on dual-stack machine and IPv6
enabled
> --------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8271
>                 URL: https://issues.apache.org/jira/browse/HDFS-8271
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Nate Edel
>            Assignee: Nate Edel
>              Labels: ipv6
>
> NameNode works properly on IPv4 or IPv6 single stack (assuming scripts have been changed
to disable preferIPv4Stack).  On dual-stack machines, NameNode listens only on IPv4 (even
ignoring preferIPv6Addresses.)
> Our initial use case for IPv6 is IPv6-only clusters, but ideally we'd support binding
to both the IPv4 and IPv6 machine addresses so that we can support heterogenous clusters (some
dual-stack and some IPv6-only machines.)



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