Virtual Service Traffic Stops Due to traffic_enabled Flag

Products

• VMware Avi Load Balancer

Issue/Introduction

• Virtual Service (VS) on the Avi Load Balancer may stop receiving traffic if the traffic_enabled flag is set to false. 
• Avi will not respond to arp requests if this flag is set to false.(vCenter Cloud)
• VIP Static Route will be removed from the NSX-T manager(NSX-T Cloud)

Cause

The traffic_enabled flag was not enabled (set to false), which caused the Virtual Service to stop receiving traffic. 

Resolution

To restore traffic functionality:

1. Log in to the Avi Controller UI or use API/CLI.

2. Locate the affected Virtual Service.

3. Set the traffic_enabled flag to true.

Once this flag is enabled, traffic to/from the Virtual Service should resume as expected.

 

Events from UI:

This shows that flag was disabled by admin user.

 

How to Check the Flag Status (via UI)

Expected Output: Traffic Enabled flag should be Checked.

 

 

How to Check the Flag Status (via CLI) (vCenter Cloud or L2 scale out setups)

Expected output:

| arp_enabled | True |

 

Refer :

https://techdocs.broadcom.com/us/en/vmware-security-load-balancing/avi-load-balancer/avi-load-balancer/30-2/vmware-avi-load-balancer-configuration-guide/load-balancing-overview/virtual-services/virtual-service-operations/enabling-traffic-on-vip.html