DNS Cache Max Limit for edges

Products

• VMware VeloCloud SD-WAN

Issue/Introduction

customer is receiving "DNS Cache Max Limit Reached" on VCO events

Environment

all environments

Cause

DNS Cache Limit for edges is dependent on each platform System Memory (RAM).

4 GB - 6k entries
8 GB - 12k entries
32 GB - 48k entries

For platform System Memory (RAM) values refer: VeloCloud SD-WAN Edge platform specifications

Resolution

If customer is receiving "DNS Cache Max Limit Reached" on VCO events, they need to check who is using enormous no. of DNS queries at which it filled edge's RAM or upgrade to a higher edge chassis.