Help Center/ Elastic Cloud Server/ User Guide (Kuala Lumpur Region)/ NIC/ Overview
Updated on 2024-07-24 GMT+08:00
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Overview

A NIC is a virtual network adapter that can be bound to an ECS in a VPC. Through the NIC, you can manage the ECS network. A NIC can be a primary NIC or an extension NIC.
  • Primary NIC

    When you create an ECS, the NIC automatically created with the ECS is the primary NIC. The primary NIC cannot be unbound. It is preferentially used for the default route generally.

  • Extension NIC

    A NIC that can be separately added is an extension NIC, which can be bound to or unbound from an ECS.

Parent topic: NIC