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Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-25303-03
Chapter 1 Overview
Software Features
• Support for IEEE 802.3at (PoE+), that increases the available power for powered devices from
15.4 W to 30 W per port.
• Support for CDP with power consumption. The powered device notifies the switch of the amount of
power it is consuming.
• Support for Cisco intelligent power management. The powered device and the switch negotiate
through power-negotiation CDP messages for an agreed power-consumption level. The negotiation
allows a high-power Cisco powered device to operate at its highest power mode.
• Automatic detection and power budgeting; the switch maintains a power budget, monitors and tracks
requests for power, and grants power only when it is available.
• Ability to monitor the real-time power consumption. On a per-PoE port basis, the switch senses the
total power consumption, polices the power usage, and reports the power usage.
• StackPower technology on Catalyst 3750-X switches running the IP Base or IP Services feature set.
Monitoring Features
• Switch LEDs that provide port- and switch-level status on Catalyst 3560-X switches.
• Switch LEDs that provide port-, switch-, and stack-level status on Catalyst 3750-X switches.
• MAC address notification traps and RADIUS accounting for tracking users on a network by storing
the MAC addresses that the switch has learned or removed.
• Switched Port Analyzer (SPAN) and Remote SPAN (RSPAN) for traffic monitoring on any port or
VLAN.
• SPAN and RSPAN support of Intrusion Detection Systems (IDS) to monitor, repel, and report
network security violations.
• Flow-based Switch Port Analyzer (FSPAN) to define filters for capturing traffic for analysis.
• Four groups (history, statistics, alarms, and events) of embedded RMON agents for network
monitoring and traffic analysis.
• Syslog facility for logging system messages about authentication or authorization errors, resource
issues, and timeout events.
• Layer 2 traceroute to identify the physical path that a packet takes from a source device to a
destination device.
• Time Domain Reflector (TDR) to diagnose and resolve cabling problems on 10/100 and
10/100/1000 copper Ethernet ports.
• SFP module diagnostic management interface to monitor physical or operational status of an SFP
module.
• Digital Optical Monitoring (DOM) of connected SFP modules.
• Online diagnostics to test the hardware functionality of the supervisor engine, modules, and switch
while the switch is connected to a live network.
• On-board failure logging (OBFL) to collect information about the switch and the power supplies
connected to it.
• Enhanced object tracking (EOT) for HSRP to determine the proportion of hosts in a LAN by
tracking the routing table state or to trigger the standby router failover.
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