[VMC on AWS] NSX Autonomous Edge uplink can't reach the default gateway through a port group with a VLAN ID
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[VMC on AWS] NSX Autonomous Edge uplink can't reach the default gateway through a port group with a VLAN ID

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Article ID: 316684

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Updated On:

Products

VMware Cloud on AWS

Issue/Introduction

This article provides information on how to resolve a NSX Autonomous Edge connectivity issue.

Symptoms:
  • L2 VPN status shows “DOWN” in SUMMARY page after configured L2 VPN setting.
  • Any packets that are sent from NSX Autonomous Edge uplink can't be seen on the default gateway interface through a port group with a VLAN ID.


Cause

In case VLAN ID was configured on NSX Autonomous Edge uplink during deployment and the virtual switch tagging (VST) is configured on the uplink port group, tagged packets from NSX Autonomous Edge are going to be dropped on the uplink virtual switch.

Resolution

To resolve this issue, VLAN ID must be set as "0" for NSX Autonomous Edge uplink when the virtual switch tagging is configured on the uplink port group.
  • Access the management page. (https://NSX-Autonomous-Edge-management-ip)
  • Login with admin account.
  • Select "PORT" and change the VLAN ID to "0" on "lrport_0".

Additional Information