We see negative stats value for Logical Router in NSX through Aria Operations.
Aria Operations 8.x
API call from Aria Operations to NSX for data collection might return current cumulative value lesser than previous one ,due to which discrete values which are calculated as Current Value - Previous Value might result in negative values - which will be impacting the pricing logic as these metrics will be used by VCD MP which further translates to pricing logic .
This a known issue and is fixed in VMware Aria Operations 8.18
Download Link : VMware Aria Operations 8.18.0
Steps for upgrade:
Step 1: Take snapshot
Please follow the below documents to take snapshot:
https://knowledge.broadcom.com/external/article?legacyId=2149269
Step 2: Follow the steps in below document to run pre-upgrade assessment tool
https://knowledge.broadcom.com/external/article/369264/using-the-preupgrade-readiness-assessmen.html
Step 3: Steps to upgrade:
https://techdocs.broadcom.com/us/en/vmware-cis/aria/aria-operations/8-18/getting-started-with-vmware-aria-operations-8-18/upgrade-backup-and-restore/software-updates-admin-ui-only/install-a-software-update.html