Cisco Router Cisco 3600 Manual do Utilizador descarregar pdf (Página 3)

modem modulation scheme, modem protocol, modem EIA/

TIA-232signalstates,modemtransmit and receive rates,and

analog signal-to-noise ratio. The modems can be managed

via the same tools used to manage the rest of the network,

providing network managers with one solution at a central

management point.

Scalability

Cisco’s implementation of the Multichassis Multilink

Point-to-Point Protocol (MMP) allows customers to start

small and scale additional access servers as required, while

still being able to dial into one center. Enterprise and branch

ofﬁce network managers with medium dial-in pools can

easily scale and integrate their access infrastructures to

aggregate multiple calls on multiple servers, providing a

higher-bandwidth solution to their end users. These

scalability features are critical for service providers and

enterprise customers as they build resilient systems that

leverage distributed network reliability.

Multilink Point-to-Point-Protocol (MP) allows users to

take advantage of ISDN connections and achieve a raw

128-kbpsdata throughput using twoBchannels.Async users

can also take advantage of this feature, if supported on their

workstation, with two modems connected over two

phone lines.

MMP support is a key factor in scaling the Cisco 3600

solution to meet expanding user requirements. MMP allows

calls to be “linked,” regardless of the physical chassis each

call is placed to, allowing Cisco 3600 chassis to be stacked

and viewed as one dial-in pool.

World Class Support

Life Cycle-Focused Support Solutions

Cisco’s comprehensive support portfolio delivers solutions

that enhance the network throughout its life cycle. From

design and installation, to preventive and scheduled

maintenance, to performance optimization, Cisco’s solutions

promote network reliability, efﬁciency, and ﬂexibility.

Designed to function as an integral product component,

these programs deliver seamless support. Together, they

proactively help organizations sharpen their competitive

edge.Through accessto the CiscoConnection Online (CCO)

Web site, customers can both use and market expanded

functionality and new features as soon as they become

available. Moreover, access to Cisco’s technical expertise is

availablearound the clockandaround the globe.This virtual

team of the world's top networking engineers is equipped to

address every need, from troubleshooting to network design

and planning.

Feature Beneﬁt

Integrated channel service units

(CSUs), channel bank, router, and

modems accommodate dual ISDN

PRI T1/E1 lines

Services and terminates

asynchronous modem and digital

ISDN calls with one trunk line and

one phone number, a simple,

cost-efﬁcient migration path from

today's analog dialup environment to

the fast-growing ISDN digital

services

Modem management, including

modem statistics, real-time call in

progress, monitoring modem activity

log and modem hard/soft busy out.

Enhanced monitoring of modem call

progress and statistics in real time to

reduce problem detection and

resolution time

Full Cisco IOS support Provides the widest array of

networking and routing protocol

support inthe industryfor large-scale

deployment

Remote management of CSU, router,

and modem components

Centralizes network management to

reduce operating cost

Scalable chassis with MMP capable

of carrying increased density and

higher-speed trafﬁc

Allows customers to start small and

stack additional servers as required,

while still being able to dial into one

call center

Bandwidth management with dialer

load threshold

Manages network bandwidth

effectively to reduce unnecessary

bandwidth-associated costs for

customers

Dial VPN with Layer 2 Forwarding

(L2F) Protocol

Adds more value to a branches’ dial

features by:

• Allowing local dialup calls to an

Internet Service Provider (ISP) who

agrees to forward the client

company's users to a company-run

gateway

• Supporting investments in non-IP

protocol applications in a secure

manner

WAN optimization, including

compression,routing ﬁlters,snapshot

routing, and DDR

Helps customers to reduce WAN

costs, the single largest cost of

internetwork operation

Security management, including

TACACS+, RADIUS, access lists, and

violation logging

Provides comprehensive security

throughout customer’s core network

infrastructure

Global, life cycle-focused support

solutions

• Improved network reliability

• Increased network efﬁciency

• Flexibility to scale network as

demand grows

• Access to technical leadership

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