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Table 2
Cisco 1721 and 1720 Key Features and Benefits (Continued)
Features
Business-Class DSL
Supports ADSL and G.shdsl with advanced QoS features
(Multilink PPP [MLP] with link fragmentation and
interleaving [LFI], LLQ, Weighted Random Early
Detection [WRED], CAR, differentiated services)
Simplified Management and Ease of Deployment
Device Integration (integrated router, firewall, encryption,
VPN, tunnel server, data/channel service unit [DSU/CSU],
and Network Termination 1 [NT1] in a single device)
Manageable via Simple Network Management Protocol
(SNMP) (CiscoView, CiscoWorks 2000, Telnet, and
console port)
Supports Cisco ConfigMaker, SETUP Configuration Utility
VLAN Support (Cisco 1721 only)
Support for Cisco AutoInstall
LED Status Indicators
Reliability
Dial-on-Demand Routing
Dual Bank Flash Memory
Hot Standby Router Protocol (HSRP)
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Benefits
• Takes advantage of broadband access technologies
such as ADSL or G.shdsl to increase WAN connectivity
speeds and reduce WAN access costs
• Delivers business-class broadband access
• Offers efficient use of bandwidth
• Reduces costs and simplifies management compared
to solutions based upon multiple, separate devices
• Allows central monitoring, configuration, and
diagnostics for all functions integrated in the Cisco
router, reducing management time and costs
• Simplifies and reduces deployment time and costs
with graphical LAN/VPN policy configurator;
command-line, context-sensitive configuration
questions
• Enables inter-VLAN routing via the standards-based
IEEE 802.1Q
• Available in all Cisco IOS feature sets, including base
Cisco IOS feature set
• Configures remote routers automatically across a
WAN connection to save cost of sending
• Provide at-a-glance indications for power, VPN module
(Cisco 1721 only), network activity, and interface status
• Allows automatic backup of WAN connection in case
of a primary link failure
• Backup copy of the Cisco IOS Software can be stored
in Flash memory
• Provides high network availability
Cisco Systems, Inc.
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