Cisco CAB-ACBZ-10A 数据表
© 2013 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Page 3 of 14
Power over Ethernet Plus - PoE+
Cisco Catalyst 2960-S switches support both IEEE 802.3af Power over Ethernet (PoE) and IEEE 802.3at PoE+
(up to 30W per port) to deliver lower total cost of ownership for deployments that incorporate Cisco IP phones,
Cisco Aironet
®
wireless access points, or other standards-compliant PoE/PoE+ end devices. PoE removes the
need to supply wall power to PoE-enabled devices and eliminates the cost of adding electrical cabling and circuits
that would otherwise be necessary in IP phone and WLAN deployments. Table 2 shows the total PoE/PoE+ power
available in each 2960-S model.
Table 2.
Switch PoE and PoE+ Power Capacity
Switch Model
Maximum Number of PoE+ (IEEE
802.3at) Ports
802.3at) Ports
*
Maximum Number of PoE (IEEE
802.3af) Ports
802.3af) Ports
*
Available PoE Power
Cisco Catalyst 2960S-48FPD-L
24 ports up to 30W
48 ports up to 15.4W
740W
Cisco Catalyst 2960S-48LPD-L
12 ports up to 30W
24 ports up to 15.4W
370W
Cisco Catalyst 2960S-24PD-L
12 ports up to 30W
24 ports up to 15.4W
370W
Cisco Catalyst 2960S-48FPS-L
24 ports up to 30W
48 ports up to 15.4W
740W
Cisco Catalyst 2960S-48LPS-L
12 ports up to 30W
24 ports up to 15.4W
370W
Cisco Catalyst 2960S-24PS-L
12 ports up to 30W
24 ports up to 15.4W
370W
*
Intelligent power management allows flexible power allocation across all ports.
Network Security
The Cisco Catalyst 2960-S Series Switches provide a range of security features to limit access to the network and
mitigate threats, including:
●
Features to control access to the network, including Flexible Authentication, 802.1x Monitor Mode, and
RADIUS Change of Authorization
●
Cisco SXP to simplify security and policy enforcement throughout the network
●
Threat defense features including Port Security, Dynamic ARP Inspection, and IP Source Guard
●
IPv6 First-Hop Security to protect against rogue router advertisements, spoofing, and other risks introduced
by IPv6
For more information about Cisco security solutions, visit
http://www.cisco.com/go/trustsec
.
Enhanced Quality of Service
The Cisco 2960-S Series Switches offers intelligent traffic management that keeps everything flowing smoothly.
Flexible mechanisms for marking, classification, and scheduling deliver superior performance for data, voice, and
video traffic, all at wire speed. Primary QoS features include:
●
Four egress queues per port and strict priority queuing so that the highest priority packets are serviced
ahead of all other traffic
●
Shaped Round Robin (SRR) scheduling and Weighted Tail Drop (WTD) congestion avoidance
●
Flow-based rate limiting and up to 64 aggregate or individual policers per port
●
802.1p class of service (CoS) and differentiated services code point (DSCP) field classification, with
marking and reclassification on a per-packet basis by source and destination IP address, MAC address, or
Layer 4 TCP/UDP port number
●
Cross-stack QoS to allow QoS to be configured across a stack of 2960-S switches