Layer 3 Features - Cisco Catalyst 2975 Software Configuration Manual

Features
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Layer 3 Features

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Power over Ethernet Features
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Monitoring Features
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Catalyst 2975 Switch Software Configuration Guide
1-12
Egress queues and scheduling
– Four egress queues per port
WTD as the congestion-avoidance mechanism for managing the queue lengths and providing
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drop precedences for different traffic classifications
– SRR as the scheduling service for specifying the rate at which packets are dequeued to the
egress interface (shaping or sharing is supported on egress queues). Shaped egress queues are
guaranteed but limited to using a share of port bandwidth. Shared egress queues are also
guaranteed a configured share of bandwidth, but can use more than the guarantee if other queues
become empty and do not use their share of the bandwidth.
Auto-QoS enhancements that add automatic configuration classification of traffic flow from video
devices, such as the Cisco Telepresence System and Cisco Surveillance Camera.
When you configure the lanbase-routing SDM template, the switch supports static routing and
router ACLs on SVIs
IPv6 default router preference (DRP) for improving the ability of a host to select an appropriate
router
Ability to provide power to connected Cisco pre-standard and IEEE 802.3af-compliant powered
devices from Power over Ethernet (PoE)-capable ports if the switch detects that there is no power
on the circuit.
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.
Switch LEDs that provide port- and switch-level status
Switch LEDs that provide port-, switch-, and stack-level status
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
Chapter 1 Overview
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