HTTPS AutoSupport配信がプロキシで失敗する

Failed to connect to support.netapp.com port 443: Connection refused

•  ネットワークタイムアウトが原因で1つ以上のノードのAutoSupportがNetAppに到達できません。 

例：

cluster1::> system node autosupport check show-details

...
Node: node_name

Category:  http- https
      Component:  http-put-destination
       Status: failed
       Detail: HTTP/S PUT connectivity check failed for destination:
           https://support.netapp.com/put/AsupPut/ via proxy -
           proxyuser:********@proxyurl:8080.
           Error: Timeout was reached when connecting to the server
           - 'support.netapp.com'
  Corrective Action: Possible network configuration issue. Ensure that you
           have network connectivity
Node: node_name

Category:  http- https
      Component:  http-post-destination
       Status: failed
       Detail: HTTP/S POST connectivity check failed for destination:
           https://support.netapp.com/asupprod/post/1.0/postAsup
           via proxy -
           proxyuser:********@proxyurl:8080.
           Error: Timeout was reached when connecting to the server
           - 'support.netapp.com'
  Corrective Action: Possible network configuration issue. Ensure that you
           have network connectivity

•  プロキシURLへのnotifyd ログのタイムアウトメッセージ

例：

::> system node run -node node_name -command rdfile /etc/log/mlog/notifyd.log

... (message: STATE: WAITRESOLVE => WAITCONNECT handle 0x80f746008; line 1479 (connection #0))
... (message: connect to proxyurl_IP port 8080 failed: Operation timed out)
... (message: Failed to connect to proxyurl port 8080: Operation timed out)