[NetScaler-Azure] NetScaler may RESET TCP connections randomly, RESET Code: 8201
Article ID: CTX583058
Updated On:
Description
NetScaler on Azure, you may observe that some TCP connections can be RESET by NetScaler unexpectedly, RESET code is 8201.
For more information about Reset code, please see: Citrix ADC (NetScaler) Reset Codes reference.
Resolution
Workaround:
Disable Azure "accelerated networking". Reference: Configure a NetScaler VPX instance to use Azure accelerated networking
Solution:
Upgrade to the following builds:
Release Note:
The NetScaler VPX instances that support Azure accelerated networking with Mellanox ConnectX3 NICs might drop traffic intermittently.
[ NSHELP-35666 ]
Disable Azure "accelerated networking". Reference: Configure a NetScaler VPX instance to use Azure accelerated networking
Solution:
Upgrade to the following builds:
- 14.1 Build 8.50
- 13.1 Build 50.23
Release Note:
The NetScaler VPX instances that support Azure accelerated networking with Mellanox ConnectX3 NICs might drop traffic intermittently.
[ NSHELP-35666 ]
Problem Cause
The issue is a BUG that NetScaler thinks the packet doesn't belong to any known PCB, it can be triggered randomly when both of the below conditions are met:
- The VPX instance has Azure "accelerated networking" feature enabled.
- Azure platform attaches ConnectX3 NIC to the instance. X4/X5 NIC don't have the issue.
Issue/Introduction
NetScaler Reset connections on Azure. 8201.
Was this article helpful?
Yes
No
Powered by
