CSIX

{{Other uses}}

{{One source|date=January 2025}}

The common switch interface (CSIX) is a physical interface specification between a traffic manager (network processor) and a switching fabric.{{cite web

| url=http://ieee802.org/802_tutorials/98-November/csix_1198.pdf

| title=Common Switch Interface for Fabric Independence and Scalable Switching

| website=IEEE 802 LAN/MAN Standards Committee

| date=1998-11-09

| access-date=2019-09-06

}} It was developed by the Network Processing Forum to:

• promote development and deployment of highly scalable network switches
• permit hardware and software interoperability