User manual

30 Publication 1783-UM003D-EN-E - December 2009
Chapter 2
Port Role Definitions
Port Role Description
Apply this role to ports to be connected to Ethernet/IP (Ethernet Industrial Protocol)
devices. It can be used for industrial automation devices, such as logic controllers and
I/O.
• Port is set to Access mode.
• Port security allows only one MAC ID.
• Optimize queue management for CIP traffic.
Apply this role to ports to a single device that is generating 802.1Q tagged frames (not
typically used).
• Port is set to Trunk mode (allows 802.1Q Tagged Frames).
• Portfast enabled.
• Port security allows only one MAC ID.
Apply this role to ports to be connected to desktop devices, such as desktop
computers, workstations, notebook computers, and other client-based hosts.
• Port is set to Access mode.
• Portfast enabled.
• Port security allows only one MAC ID.
Do not apply to ports to be connected to switches, routers, or access points.
Apply this role to ports to be connected to other switches.
Port is set to Trunk mode.
Apply this role to routers or ports to be connected to Layer 3 switches with routing
services enabled.
Apply this role to ports to be connected to IP phones. A desktop device, such as a
computer, can be connected to the IP phone. Both the IP phone and the connected
computer would have network access through the port.
• Port is set to Trunk mode.
• Port security allows three MAC IDs to this port.
This role prioritizes voice traffic over general data traffic to ensure clear voice
reception on the IP phones.
Apply this role to ports to be connected to wireless access points. The access point
can provide network access to up to 30 mobile (wireless) users.
Apply this role to ports to be monitored by a network analyzer. For more information
about port mirroring, see Port Mirroring on page 49
.
Apply this role to ports if you do not want a specialized Smartports role on the port.
This role can be used on connections to any device, including devices in the roles
described above. You can also use this role to connect through a 1783-ETAP module to
the Device Level Ring (DLR).