Users Guide

Contents 5
Power over Ethernet (PoE) Plus Features . . . . . . . . 81
Key PoE Plus Features for the Dell EMC Networking
N1108P-ON, N1124P-ON, N1148P-ON, N2024P,
N2048P, N2128PX-ON, N3024P, N3048P,
N3024EP-ON, N3048EP-ON, and
N3132PX-ON Switches
. . . . . . . . . . . . . . . 81
Power Over Ethernet (PoE) Plus Configuration
. . 82
PoE Plus Support
. . . . . . . . . . . . . . . . . . 82
PoE 60W Support
. . . . . . . . . . . . . . . . . . 83
Powered Device Detection
. . . . . . . . . . . . . 83
PoE Power Management Modes
. . . . . . . . . . 83
Power Management in Guard Band
. . . . . . . . 85
PoE Plus Default Settings
. . . . . . . . . . . . . . 86
Switching Features
. . . . . . . . . . . . . . . . . . . 88
Flow Control Support (IEEE 802.3x)
. . . . . . . . . 88
Head of Line Blocking Prevention
. . . . . . . . . 88
Alternate Store and Forward (ASF)
. . . . . . . . . 88
Jumbo Frames Support
. . . . . . . . . . . . . . . 88
Auto-MDI/MDIX Support
. . . . . . . . . . . . . . 89
VLAN-Aware MAC-based Switching
. . . . . . . . 89
Back Pressure Support
. . . . . . . . . . . . . . . 89
Auto-negotiation
. . . . . . . . . . . . . . . . . . 90
Storm Control
. . . . . . . . . . . . . . . . . . . . 90
Port Mirroring
. . . . . . . . . . . . . . . . . . . . 90
Static and Dynamic MAC Address Tables
. . . . . 91
Link Layer Discovery Protocol (LLDP)
. . . . . . . 91
Link Layer Discovery Protocol (LLDP) for Media
Endpoint Devices
. . . . . . . . . . . . . . . . . . 91
Connectivity Fault Management (IEEE 802.1ag)
. . 92
Priority-based Flow Control (PFC)
. . . . . . . . . 92
Data Center Bridging Exchange (DBCx)
Protocol
. . . . . . . . . . . . . . . . . . . . . . . 93
Enhanced Transmission Selection
. . . . . . . . . 93
Cisco Protocol Filtering
. . . . . . . . . . . . . . . 93