Contents 9Cooling fans 119Redundant power supply 120DC-DC Converter Module 120Stacking capabilities 120Auto Unit Replacement 121AUR function 122Configuring AUR using the CLI 128Configuring AUR using Device Manager 129Agent Auto Unit Replacement 130Features of the Nortel Ethernet Routing Switch 4500 Series 131Flash memory storage 131Policy-enabled networking 132Power over Ethernet 132Virtual Local Area Networks 132Spanning Tree Protocol groups 133Rapid Spanning Tree Protocol 134Multiple Spanning Tree Protocol 134Trunk groups 135Security 135Port mirroring 136Auto-MDI/X 136Auto-polarity 136Autosensing and autonegotiation 137ASCII configuration file 139Displaying unit uptime 141Port naming 142Port error summary 142IP address for each unit in a stack 142BootP mode 142Web Quick Start 142Simple Network Time Protocol 143Ping enhancement 144Supported standards and RFCs 144Standards 144RFCs 144Power over Ethernet 147PoE overview 148Port power priority 149External power source 150Stacking 150Power pairs 150Power availability 151Internal power source only option 151Nortel Ethernet Routing Switch 4500 SeriesOverview — System ConfigurationNN47205-500 02.01 Standard5.0 23 February 2007Copyright © 2007, Nortel Networks Nortel Networks Confidential.
