CCNP Remote Access Study Guide(Exam 640-505)

about the contributors

acknowledgments

preface

introduction


1 introduction to building remote access networks

wan connection requirements

wan topology and specifications

dedicated connections

circuit switching connections

packet-switched connections

wan encapsulation protocols

enabling and troubleshooting protocols and technologies

certification summary

two-minute drill

self test

self test answers


2 identifying cisco solutions for remote access needs

selecting cisco products for remote connections

.central site

remote site

telecommuter site

assembling and cabling wan components

what to look for on a 3600 router

what to look for on a 2500 router

what to look for on a 1600/1700 router

what to look for on an 800 router

what to look for on a 700 router

password recovery on a 3600

password recovery on a 2500

password recovery on a 1600/1700

password recovery on an 800

password recovery on a 766

default encapsulations on aii interface types

default speeds

default encapsulation for synchronous interfaces

default encapsulation for asynchronous interface

speed of serial interfaces (synchronous)

speed of serial interfaces (asynchronous)

speed of serial interfaces (synchronous/asynchronous)

speed of hssi interfaces

certification summary

two-minute drill

self test

self test answers


3 enabling on-demand connections to the central site

configuring asynchronous connections with modems

overview of asynchronous connections

chat scripts

basic modem configuration

how a common call is made

what is a "digital modem?"

troubleshooting

certification summary

two-minute drill

self test

self test answers


4 cisco configuration of an asynchronous interface

how cisco console/aux cabling works

the data transfer signals (tx/rx)

the hardware flow control signals (rts/cts)

the modem control signals (dtr/dcd)

console port/auxiliary port differences

connecting a pc or terminal to the console port

connecting a modem to the auxiliary port

crossover cables

straight-through cables

rolled cables

high-speed asynchronous serial ports

low-speed synchronous/asynchronous serial ports

cisco octal cables

configuring an asynchronous interface

con, aux, tty, and vty line numbering

interface mode configuration task

line configuration tasks when dealing with an async interface

show commands, in-depth understanding

debug commands to use to verify

reverse telnet

manual modem configuration

why use a loopback interface, and what it does for us

certification summary

two-minute drill

self test

self test answers


5 controlling network access with pap or chap

configuring ppp

what is point to point protocol (ppp)?

why use ppp over slip or appletalk?

ppp and the osi model

making remote connections

in-depth statements about aii comm. ands

configuring encapsulation and async mode

configuring the addressing method

chap and pap

how they work

callback and in benefits

ppp compression

multilink

certification summary

two-minute drill

self test

self test answers


6 microsoft windows 95198 dial-up configuration

windows 95/98 dial-up took

requirements for dial-up networking

supported protocols

supported dial-in hosts

network protocols

encapsulation protocols

authentication protocols

password authentication protocol (pap)

challenge handshake authentication protocol (chap)

installing, configuring, and using a dial-up networking connection

configuring a dial-up networking connection

certification summary

two-minute drill

self test

self test answers


7 verifying ppp and dial-up connections

verifying and monitoring isdn configurations

verifying basic connectivity

common scenarios

verifying ddr operation

verifying ppp operation

certification summary

two-minute drill

self test

self test answers


8 enhancing on-demand connectivity

using isdn and ddr to enhance remote connectivity

an overview of isdn

isdn "flavors"

the isdn reference configuration

define nm and pri (ti and ei) specifications

ti definitions

q,931 and q.921 protocols

configuring dial-on-demand (ddr) routing with isdn

testing and monitoring isdn

the use of snapshot routing

troubleshooting bad provisioning of a ti using the router

non-facility associated signaling-nfas

certification summary

two-minute drill

self test

self test answers


9 optimizing the use of ddr interfaces

ddr

interesting traffic

topologies

ddr traffic

ddr interfaces

configuring ddr

legacy ddr. commands

legacy ddr configuration tasks

verifying legacy ddr. configurations

show dialer map

show dialer

dialer profiles and rotary groups

dialer profiles

rotary groups

dialer profiles and rotary groups summary

access lists

standard access lists

extended access lists

dialer lists

access lists summary

certification summary

two-minute drill

self lest

ser test answers


10 configuring a cisco 700 series router

the cisco 700 series

features of the 700 series

applications for the 700 series

hardware

software

configuring the 700 series router

types of configurations

operating system differences by country

saving a configuration

ppp callback options

caller id

dhcp configuration

certification summary

two-minute drill

self test

self test answers


11 enabling permanent connections to the central site

frame relay and x.25 cloud connections

history ofx.25

x.25 at layer 2-link access protocol balanced(lapb)

x.25 packet-level procedure-x25 plp

pvcs and svcs

is x.25 outdated?

establishing an x.25 connection

show commands

establishing a dedicated frame relay connection

lmi-local management interface

types of arp

inverse arp

subinterfaces

controlling traffic flow with traffic shaping

becn support

rate enforcement

queuing and traffic shaping

configuring frame relay traffic shaping

set up a map class

using queuing and traffic shaping together

enabling a backup to the permanent connection

when to use the different types of backup connections

benefits of a floating static route and problems with them

problems with dedicated physical interface backups

troubleshooting f/r

show commands

debug commands

certification summary

two-minute drill

self test

self test answers


12 queuin8 and compression

network performance

costs

ease of management

protocol selection

responsiveness

efficiency

queuing

queuing methods and configurations

first-in, first-out queuing (fifo)

weighted fair queuing (wfq)

priority queuing (pq)

custom queuing

selecting the appropriate queuing method

data compression

tcp header compression

why use tcp/ip header compression and why the isps love it

per-interface compression

per-virtual circuit compression (payload compression)

when to use compression

certification summary

two-minute drill

self test

self test answers


13 introduction to troubleshooting remote access networks

scaling ip addresses with pat and nat

terminology

traffic types supported

commands for monitoring, maintaining, and troubleshooting nat

simple nat

address overloading

static nat

dual address translation (complex nat, overlapping addressing)

tcp load distribution

changing nat translation time-outs

nat to an isp

nat to an isp using easyip

pat on a 700 for internal network with all isp

certification summary

two-minute drill

self test

self test answers


14 advanced troubleshooting remote access networks

using aaa to sale access control in an expanding network

an introduction to aaa

the radius and tacacs+ protocols

how aaa works with radius and tacacs+

how to configure aaa

how to configure authentication

how to configure authorization

how to configure accounting

monitoring and verifying aaa access control

certification summary

two-minute drill

self test

self test answers


appendix about the cd

installing the personal testing center

using the personal testing center

managing windows

saving scores as cookies

javascript errors

test type choices

live

practice

review

questions with answers

scoring

g1ossary

index