# Enum - HostNetStackInstanceSystemStackKey(vim.host.NetStackInstance.SystemStackKey)

Since
  vSphere API 5.5

## Enum Description

Define the instance identifier for different traffic type

Enum Constants

Name | Description
--- | ---
defaultTcpipStack |
vmotion | Since
vSphereProvisioning | Since

Show WSDL type definition
<simpleType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vslm="urn:vslm" name="HostNetStackInstanceSystemStackKey"> <restriction base="xsd:string"> <enumeration value="defaultTcpipStack"/> <enumeration value="vmotion"/> <enumeration value="vSphereProvisioning"/> </restriction> </simpleType>