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Table 2

Cisco 1721 and 1720 Key Features and Beneﬁts (Continued)

Features

Full Cisco IOS Support, including Multiprotocol Routing,

QoS

Quality of Service (QoS)

Expansion Slot on Motherboard

Complete Security and VPN Capability

Stateful Inspection Firewall (the Cisco IOS Firewall

includes context-based access control for dynamic

ﬁrewall ﬁltering, denial-of-service detection and

prevention, Java blocking, and real-time alerts)

High-Performance VPN Encryption (IPSec DES and 3DES

VPN module for high-speed, hardware-based encryption)

Device Authentication and Key Management (Internet

Key Exchange [IKE], X.509v3 digital certiﬁcation, support

for Certiﬁcate Enrollment Protocol (CEP) with certiﬁcate

authorities (CAs) such as Verisign and Entrust)

VPN Tunneling with IPSec, Generic Routing

Encapsulation (GRE), L2TP , L2F

Cisco Easy VPN Remote

Cisco Easy VPN Server

Benefits

• Provides industry's most robust, scalable, and

feature-rich internetworking software support using

the accepted standard networking software for Internet

and private WANs

• Constitutes part of the Cisco end-to-end network

solution

• Offers support for advanced QoS features such as the

Resource Reservation Protocol (RSVP), Weighted Fair

Queuing (WFQ), and IP Precedence to reduce recurring

WAN costs

• QoS features (such as committed access rate [CAR],

policy routing, low-latency queuing [LLQ], generic

trafﬁc shaping [GTS], Frame Relay trafﬁc shaping

[FRTS], and RSVP) allocate WAN bandwidth to priority

applications for improved performance

• Allows expandability to support services such as

hardware-assisted encryption

• Allows internal users to access the Internet with

secure, per-application-based, dynamic access control

while preventing unauthorized Internet users from

accessing the internal LAN

• Provides high-speed hardware-assisted encryption up

to T1/E1 performance

• Enables creation of wire-speed VPNs by providing

industry-standard data privacy, integrity, and

authenticity as data traverses public networks

• Ensures proper identity and authenticity of devices

and data

• Enables scalability to very large IPSec networks

through automated key management

• Allows any standards-based IPSec or L2TP client to

interoperate with Cisco IOS tunneling technologies

• Allows the router to act as remote VPN client and have

VPN polices pushed down from the VPN concentrator

• Allows the router to terminate remote access VPNs

initiated by mobile and remote workers running Cisco

VPN client software on PCs; and allows the router to

terminate site-site VPNs initiated by IOS routers using

the Cisco Easy VPN Remote feature

Cisco Systems, Inc.

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