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Elektronik Bilgi Kütüphanesi



Data Sheet
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 7 of 18
Feature Benefit
Wireless Infrastructure Services
Telephony support for wired and WLAN IP phones is delivered by Cisco
CallManager Express (CCME) or by Survivable Remote Site Telephony (SRST)
with Cisco CallManager. Cordless WLAN IP phones allow users to be mobile
and more productive.
Integrated switch modules with Power over Ethernet (POE) enable support for
Cisco Aironet access points (for larger sites) as well as wired IP phones.
Mobility for clients from WLAN to cellular networks is enabled by Mobile IP home
agent support.
IEEE 802.1x local authentication using LEAP provides enhanced reliability
through survivable authentication for WLAN clients during WAN failures.
Customizable guest access is enabled with the service selection gateway
features, along with the Subscriber Edge Services Manager.
Land Mobile Radio Over IP
LMR over IP support allows radio users (e.g., security personnel, maintenance
personnel, police officers, etc.) to communicate via IP with phone and PC users,
delivering improved communications and productivity.
Wi-Fi Hotspot Services
The access zone router and service selection gateway services features can be
used to deploy secure public WLAN access services with an integrated HWIC-
AP for small sites or with Cisco Aironet access points for larger sites. Wi-Fi
hotspot services can be offered for additional revenue for public locations (e.g.,
restaurants, hotels, airports, etc.) or a value-added service for customer
satisfaction.
Cost of Ownership and Ease of Use—Features and Benefits
The Cisco 2800 Series continues the heritage of offering versatility, integration, and power to
branch offices. The Cisco 2800 Series offers many enhancements to help enable the support of
multiple services in the branch office as shown in the table below.
Table 6. Cost of Ownership and Ease of Use—Feature and Benefits
Feature Benefit
Integrated Channel Service
Unit/Data Service Unit (CSU/DSU),
Add/Drop Multiplexers, Firewall,
Modem, Compression, and
Encryption
Consolidates typical communications equipment found in branch-office wiring
closets into a single, compact unit; this space-saving solution provides better
manageability
Optional Network Analysis Module
Provides application-level visibility into network traffic for troubleshooting,
performance monitoring, capacity planning, and managing network-based
services (Note: Cisco 2811, 2821, and 2851 only)
Cisco IOS IP Service Level
Agreements (IP SLAs)
With Cisco IOS IP SLAs, users can verify service guarantees, increase network
reliability by validating network performance, proactively identify network issues,
and increase Return on Investment (ROI) by easing the deployment of new IP
services
Cisco IOS Software Warm Reboot
Reduces system boot time, and decreases downtime caused by Cisco IOS
Software reboots (Cisco 2811, 2821 and 2851)
Enhanced Setup Feature
Optional setup wizard with context-sensitive questions guides the user through
the router configuration process, allowing faster deployment
CiscoWorks Support
Offers advanced management and configuration capabilities through a Web-
based GUI
Cisco AutoInstall
Configures remote routers automatically across a WAN connection to save cost
of sending technical staff to the remote site
Cisco IOS Embedded Event
Manager (EEM)
Enables automation of many network management tasks and directs the
operation of Cisco IOS to increase availability, collect information, and notify
external systems or personnel about critical events