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Cisco 1720 Datasheet
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Cisco 1720 Datasheet

Cisco 1720 Datasheet

1700 series modular access routers
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Cisco 1700 Series Modular Access Routers
Cisco 1721 and Cisco 1720
Figure 1:
The Cisco 1721 Router
delivers a versatile
e-business WAN access
solution.
All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement.
The Cisco 1720 Modular Access Router and the enhanced Cisco 1721 Modular
Access Router are designed to help organizations embrace the productivity benefits
of e-business applications. The Cisco 1721 and 1720 routers enable e-business by
delivering secure Internet, intranet, and extranet access with virtual private
networks (VPNs) and firewall technology. The Cisco 1721 and 1720 routers offer:
• Wide array of WAN access options,
including high-speed business-class
digital subscriber line (DSL)
• High-performance routing with
bandwidth management
• Inter-virtual LAN (VLAN) routing
(Cisco 1721 only)
• VPN access with firewall option
The Cisco 1721 (shown below in Figure 1)
is an enhanced version of the
award-winning Cisco 1720 Modular
Access Router. The Cisco 1721 offers
higher performance, additional
functionality, and increased memory
capacity over the Cisco 1720. In addition,
the Cisco 1721 supports standards-based
IEEE 802.1Q VLAN routing, which enables
enterprises to set up multiple VLANs and
route between them for added security
within the internal corporate network.
Cisco Systems, Inc.
Page 1 of 12
®
Powered by Cisco IOS
Software, the
Cisco 1721 and 1720 routers provide a
cost-effective solution for small and
medium businesses and enterprise small
branch offices to support e-business
applications through a comprehensive
feature set in a compact design.
The Cisco 1721 and 1720 offer the
following key features:
• A RISC processor to support
high-performance routing, encryption,
and broadband services
• One autosensing 10/100 Fast Ethernet
port
• Two WAN interface card (WIC) slots
that support the same data WAN
interface cards as the Cisco 1600, 2600,
and 3600 routers
• One auxiliary (AUX) port (up to
115.2-kbps asynchronous serial)
• One console port
• One internal expansion slot for the
hardware-assisted VPN encryption card
(MOD1700-VPN)
Data Sheet

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Summary of Contents for Cisco 1720

  • Page 1 WAN access solution. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. The Cisco 1720 Modular Access Router and the enhanced Cisco 1721 Modular Access Router are designed to help organizations embrace the productivity benefits of e-business applications.
  • Page 2 E-Business Applications VPN and Security The Cisco 1721 and 1720 routers are part of the end-to-end Cisco VPN solution. VPNs create secure connections via the Internet to connect geographically dispersed offices, business partners, and remote users while providing security, traffic prioritization, management, and reliability equal to that of private networks.
  • Page 3 VPN will realize the greatest benefit. The Cisco 1700 Series routers also support the Cisco Easy VPN Server feature that allows a Cisco 1700 router to act as a VPN head-end device. In site-to-site VPN environments, the Cisco 1700 router can terminate VPN tunnels initiated by the remote office routers using the Cisco Easy VPN Remote.
  • Page 4 Comprehensive Feature Set and Benefits The Cisco 1721 and 1720 offer a broad set of features designed to allow businesses to attain maximum benefits on their investment and to easily deploy e-business solutions. See Table 2 for key features and benefits.
  • Page 5 Encapsulation (GRE), L2TP , L2F Cisco Easy VPN Remote Cisco Easy VPN Server All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. Benefits • Provides industry’s most robust, scalable, and feature-rich internetworking software support using...
  • Page 6 Dial-on-Demand Routing Dual Bank Flash Memory Hot Standby Router Protocol (HSRP) All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. Benefits • Takes advantage of broadband access technologies such as ADSL or G.shdsl to increase WAN connectivity speeds and reduce WAN access costs •...
  • Page 7 Comprehensive WAN Support The Cisco 1721 and 1720 support up to two of the WICs listed in Table 3. These WICs support a wide variety of WAN technologies: Integrated Services Digital Network (ISDN), asynchronous serial and synchronous serial such as leased lines, Frame Relay, ADSL, G.shdsl, Switched 56, X.25, and Switched Multimegabit Data Service (SMDS), and...
  • Page 8 firewall/IDS, and legacy IBM protocol and applications in use today. The Cisco 1721 and 1720 routers are shipped with the base Cisco IOS feature sets supporting IP routing and standards such as Network Address Translation (NAT), Open Shortest Path First (OSPF), RADIUS, Remote Monitoring (RMON), VLAN routing, basic QoS feature (Weighted Fair Queing), and Next Hop Resolution Protocol [NHRP]).

  • Page 9: Technical Support Services

    The Cisco 1700 Series enables deployment of a cost-effective, seamless network infrastructure for small and medium-sized businesses and small enterprise branch offices. The Cisco 1700 Series of modular access routers include the Cisco 1710, 1720, 1721,1751, 1760 (offered as a base model), Cisco 1751-V and Cisco 1760-V (offered as a multiservice-ready model.) The Cisco 1751 and Cisco 1760 Modular Access Router is optimized for multiservice data and voice solutions.
  • Page 10 Partners purchasing direct from Cisco may offer Cisco Branded Resale of Cisco SMARTnet Software. Partners purchasing through distribution may offer Packaged Cisco SMARTnet Software. For partners supporting the Cisco 1721 and 1720 with their own service and support infrastructure, System Integrator Support 98 (SIS98) is available.
  • Page 11 • ADSL WAN interface card – Supports ATM adaptation layer 5 (AAL5) services and applications All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. – Interoperates with Alcatel DSL access multiplexer (DSLAM) with Alcatel chipset and...
  • Page 12 RateMUX, Registrar, SlideCast, StrataView Plus, Stratm, SwitchProbe, TeleRouter, and VCO are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. All other trademarks mentioned in this document or Web site are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company.

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