5.34. Virtual Local Area Network - emllVlan

The parameters to the VLAN Real-time Ethernet Driver are setup-specific. The function “CreateLinkParmsFromCmdLineVlan” in EcSelectLinkLayer.cpp demonstrates how to initialize the Real-time Ethernet Driver instance.

struct EC_T_LINK_PARMS_VLAN

Public Members

EC_T_LINK_PARMS linkParms

Common link parameters. Signature must be set to EC_LINK_PARMS_SIGNATURE_MULTIPLIER

EC_T_WORD wVlanId

VLAN Identifier (VID)

EC_T_WORD wVlanPrio

VLAN Priority code point (PCP)

EC_T_LINK_PARMS *pHwLinkParms

Link parameters of network adapter connected to the uplink of the Multiplier

EC_T_VLAN_MODE eVlanMode

Vlan switch operation mode

5.34.1. Switch Configuration

Ensure that the Spanning Tree Protocol (STP) is disabled on the ports used for EtherCAT, because it can lead to permanent frame loss.