PowerFlex 3.X: The Gateway Or Presentation Server May Report Connection Issues To Port -1

Summary: Connectivity issues may be seen with either the Gateway or the Presentation server with "port out of range" or "Trying to reconnect."

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Instructions

Scenario

When using an IPv6 network between the MDM and either the Presentation server or the Gateway, they may fail to reconnect after a network failure.
The PowerFlex Gateway returns an HTTP 500 error using REST API.

Symptoms

You may see the Trying to reconnect to port -1 in the Presentation server logs:

servername/mgmt-server/logs/scaleio.log:

2021-02-09 22:52:39,559 [qtp632831438-2178-ReceiveLoop-929208220|INFO |com.emc.ecs.net.connection.LayeredProtocolConnection.infoWithState] LPC-929208220 #71aa72cc1bca9177 [2620:149:72:2::4:6611]: Trying to reconnect to 100.84.60.164:-1
2021-02-09 22:52:39,559 [qtp632831438-2178-ReceiveLoop-929208220|INFO |com.emc.ecs.net.connection.LayeredProtocolConnection.infoWithState] LPC-929208220 #71aa72cc1bca9177 [2620:149:72:2::4:6611]: Trying to reconnect to 2620:149:72:2::4:-1
2021-02-09 22:52:39,560 [qtp632831438-2178-ReceiveLoop-929208220|INFO |com.emc.ecs.net.connection.LayeredProtocolConnection.infoWithState] LPC-929208220 #71aa72cc1bca9177 [2620:149:72:2::4:6611]: Trying to reconnect to 100.84.49.100:-1

You may see a message in the Gateway logs that the port is out of range:

2020-06-24 19:38:15,476 [https-jsse-nio-443-exec-9-ReceiveLoop-1448046560] ERROR c.e.e.n.c.LayeredProtocolConnection - LPC-1448046560 #e28e0ab9f28ebaa0 [2620:149:5c2:1c::7:6611]: Exception in receive loop
java.lang.IllegalArgumentException: port out of range:-1

Impact

Excess log entries are seen. The server can reconnect after several retries.

Root Cause

Development has identified an issue in the PowerFlex Gateway and Presentation server, that mistakenly tries to connect to port "-1."  This has only been seen when IPV6 is enabled.

Workaround

Upgrade to PowerFlex 3.5.1 or later for the Gateway.

Upgrade to PowerFlex 3.6 or later for the Presentation server.

Impacted Versions

PowerFlex 3.5.0, VxFlex 3.0.x

Fixed In Version

Gateway - PowerFlex 3.5.1

Presentation Server - PowerFlex 3.6

Products

PowerFlex rack, VxFlex Ready Nodes, PowerFlex custom node, PowerFlex appliance R650, PowerFlex appliance R6525, PowerFlex appliance R660, PowerFlex appliance R6625, Powerflex appliance R750, PowerFlex appliance R760, PowerFlex appliance R7625 , PowerFlex appliance R640, PowerFlex appliance R740XD, PowerFlex appliance R7525, PowerFlex appliance R840 ...
Article Properties
Article Number: 000198913
Article Type: How To
Last Modified: 07 مايو 2026
Version:  4
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