What are the limitations of Basic SKU of Azure Load Balancer?

Experience Level: Junior
Tags: Azure Cloud Azure Load Balancer

Answer

  • It supports up to 300 instances in backend pool
  • Virtual machines can only be in single availability set or virtual machine scale set, no multiple availability set or VM scale sets are supported
  • Availability zones are not available
  • Health probes work over HTTP, TCP; HTTPS is not supported
  • HA ports are not available
  • Outbound rules are not available
  • Multiple front-ends are available on inbound only (no outbound)
  • Is open by default (NSG is optional)
  • Management operations take 60-90+ seconds typically
  • SLA is not available
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Azure Load Balancer
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