Cisco 1721 - VPN Security Router Bundle Datenblatt - Seite 4
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When equipped with optional Ethernet WICs, the Cisco 1700 Series supports a two- or three-Ethernet configuration,
enabling deployment with an external broadband modem (such as DSL, cable modem, or wireless modem)—often
supplied by a service provider as a demarcation point and deployment of a demilitarized zone (DMZ). (See Figure 3.)
Figure 3:
The Cisco 1700 Series Deployed with an Ethernet WIC and an External DSL or Cable Modem
DSL/Cable
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.
Table 2
Cisco 1721 and 1720 Key Features and Benefits
Features
Flexibility and Investment Protection
Modular Architecture
WAN Interface Cards Shared with Cisco 1600, 2600, and
3600 Routers
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Internet
Modem
Ethernet
WIC
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Cisco 1700 Series Router
with Cisco IOS Firewall
and an Ethernet WIC
LAN
Benefits
• Wide array of WAN options provide flexibility and
investment protection by accommodating future
technologies while providing a solution to meet
today's needs
• Reduces cost of maintaining inventory
• Offers lower training costs for support personnel
• Protects investments through reuse on various
platforms