# Enum - LinkDiscoveryProtocolConfigOperationType(vim.host.LinkDiscoveryProtocolConfig.OperationType)

Since
  vSphere API 4.0

## Enum Description

The Discovery Protocol operation.

Enum Constants

Name | Description
--- | ---
advertise | Sent discovery packets for the switch, but don't listen for incoming discovery packets.
both | Sent discovery packets for the switch and listen for incoming discovery packets.
listen | Listen for incoming discovery packets but don't sent discovery packet for the switch.
none | Don't listen for incoming discovery packets and don't sent discover packets for the switch either.

Show WSDL type definition
<simpleType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vslm="urn:vslm" name="LinkDiscoveryProtocolConfigOperationType"> <restriction base="xsd:string"> <enumeration value="none"/> <enumeration value="listen"/> <enumeration value="advertise"/> <enumeration value="both"/> </restriction> </simpleType>