Intel® IXP400 Software
Access-Layer Components: Ethernet Database (IxEthDB) API
April 2005 IXP400 Software Version 2.0 Programmer’s Guide
180 Document Number: 252539, Revision: 007
Transmit Traffic
For transmission services, the NPE calculates a valid FCS as its final step prior to transmitting the
frame to the PHY. FCS appending should be enabled when a port is configured for the following
features:
VLAN Egress tagging/untagging
802.11 to 802.3 Frame Conversion