VPX running on KVM platforms with virtio NICs might report TX stall when operating in single PE mode
Article ID: CTX587659
Updated On:
Description
VPX running on KVM platforms with virtio NICs might report TX stall when operating in single PE mode.
The following conditions must be met to hit this issue.
1) VPX hosted on KVM
2) Version: 13.1-45.x or later
3) 2vCPU ( single PE )
4) When the packet takes more than 4 sec to get transferred
Resolution
We have the following workarounds:
Option 1:Versions before 13.1-45.X are not impacted. Downgrading is a temporary workaround.
Option 2: Assign more than 2 vCPUs for the VPX .
Note: We need to make sure that the license allows more than 2vCPUs).Please refer to the following license datasheet for VPX.
https://www.netscaler.com/content/dam/netscaler/documents/data-sheet/netscaler-software-form-factors-data-sheet.pdf
As a permanent fix , we need to upgrade to the fixed build of NSHELP-37106.
Option 1:Versions before 13.1-45.X are not impacted. Downgrading is a temporary workaround.
Option 2: Assign more than 2 vCPUs for the VPX .
Note: We need to make sure that the license allows more than 2vCPUs).Please refer to the following license datasheet for VPX.
https://www.netscaler.com/content/dam/netscaler/documents/data-sheet/netscaler-software-form-factors-data-sheet.pdf
As a permanent fix , we need to upgrade to the fixed build of NSHELP-37106.
Problem Cause
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