IP网络路由技术简介及Cisco路由器配置

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IP网络路由技术简介及Cisco路由器配置

作者：佚名来源：www.pccode.net 整理发布时间：2006-3-12 21:06:23 发布人：wongrs

IP网络路由技术简介

基于TCP/IP协议的Internet已逐步发展成为当今世界上规模最大、拥有用户和资源最多的一个超大型计算机网络，TCP/IP协议也因此成为事实上的工业标准。IP网络正逐步成为当代乃至未来计算机网络的主流。 IP网络是由通过路由设备互连起来的IP子网构成的，这些路由设备负责在IP子网间寻找路由，并将IP分组转发到下一个IP子网。

IP地址

IP地址是IP网络中数据传输的依据，它标识了IP网络中的一个连接，一台主机可以有多个IP地址。IP分组中的IP地址在网络传输中是保持不变的。

1.基本地址格式

现在的IP网络使用32位地址，以点分十进制表示，如172.16.0.0。地址格式为：IP地址=网络地址＋主机地址或 IP地址=主机地址＋子网地址＋主机地址。

网络地址是由Internet权力机构（InterNIC）统一分配的，目的是为了保证网络地址的全球唯一性。主机地址是由各个网络的系统管理员分配。因此，网络地址的唯一性与网络内主机地址的唯一性确保了IP地址的全球唯一性。

2.保留地址的分配

根据用途和安全性级别的不同，IP地址还可以大致分为两类：公共地址和私有地址。公用地址在Internet中使用，可以在Internet中随意访问。私有地址只能在内部网络中使用，只有通过代理服务器才能与Internet通信。

一个机构或网络要连入Internet，必须申请公用IP地址。但是考虑到网络安全和内部实验等特殊情况，在IP地址中专门保留了三个区域作为私有地址，其地址范围如下：

10.0.0.0/8：10.0.0.0～10.255.255.255

172.16.0.0/12：172.16.0.0～172.31.255.255

192.168.0.0/16：192.168.0.0～192.168.255.255

使用保留地址的网络只能在内部进行通信，而不能与其他网络互连。因为本网络中的保留地址同样也可能被其他网络使用，如果进行网络互连，那么寻找路由时就会因为地址的不唯一而出现问题。但是这些使用保留地址的网络可以通过将本网络内的保留地址翻译转换成公共地址的方式实现与外部网络的互连。这也是保证网络安全的重要方法之一。　

无类域间路由（CIDR）

由于每年连入Internet的主机数成倍增长，因此Internet面临B类地址匮乏、路由表爆炸和整个地址耗尽等危机。无类域间路由（CIDR）就是为解决这些问题而开发的一种直接的解决方案，它使Internet得到足够的时间来等待新一代IP协议的产生。

按CIDR策略，可采用申请几个C类地址取代申请一个单独的B类地址的方式来解决B类地址的匮乏问题。所分配的C类地址不是随机的，而是连续的，它们的最高位相同，即具有相同的前缀，因此路由表就只需用一个表项来表示一组网络地址，这种方法称为“路由表聚类”。

另外，除了“路由表聚类”措施外，还可以由每个ISP从InterNIC获得一段地址空间后，再将这些地址分配给用户。　

路由选择技术

IP网络中的路由选择是由路由设备完成的。路由器通过执行一定的路由协议，为IP数据报寻找一条到达目的主机或网络的最佳路由，并转发该数据报，实现路由选择。

1.路由协议路由协议分为两大类： ?

路由选择协议（Routing Protocol）这类协议使用一定的路由算法找出到达目的主机或网络的最佳路径，如RIP（路由信息协议）等。 ?

路由传送协议（Routed Protocol）这类协议沿已选好的路径传送数据报，如通过IP协议能将物理连接转变成网络连接，实现网络层的主要功能——路由选择。

2.直连路由与非直连路由

IP协议是根据路由来转发数据的。路由器中的路由有两种：直连路由和非直连路由。

路由器各网络接口所直连的网络之间使用直连路由进行通信。直连路由是在配置完路由器网络接口的IP地址后自动生成的，因此，如果没有对这些接口进行特殊的限制，这些接口所直连的网络之间就可以直接通信。

由两个或多个路由器互连的网络之间的通信使用非直连路由。非直连路由是指人工配置的静态路由或通过运行动态路由协议而获得的动态路由。其中静态路由比动态路由具有更高的可操作性和安全性。

IP网络已经逐渐成为现代网络的标准，用IP协议组建网络时，必须使用路由设备将各个IP子网互连起来，并且在IP子网间使用路由机制，通过IP网关互连形成层次性的网际网。

Cisco路由器配置

<>Cisco2511拨入配置 <>Cisco2509 CallBack典型配置 <>Cisco Router之间CallBack典型配置

<>拨号备份：一、DDN设置二、ROUTERB (CALLER) 三、Hayes modem的设置

Cisco2511拨入配置

version 12.0

service timestamps debug uptime

service timestamps log uptime

service password-encryption

service udp-small-servers

service tcp-small-servers

hostname dialin_2511_radius

aaa new-model

aaa authentication login default radius

aaa authentication login no_radius local

aaa authentication login admin none

aaa authentication enable default enable

aaa authentication ppp default if-needed radius

aaa authorization exec default radius if-authenticated

aaa authorization network default radius

aaa accounting suppress null-username

aaa accounting network default start-stop radius

enable secret 5 XXXXXXXXXXXXXXXXXXXXXXXXX

enable password 7 YYYYYYYYYYYYYY

username admin password 7 ZZZZZZZZZZZZZ

ip subnet-zero

ip address-pool local

async-bootp dns-server 192.168.2.4

chat-script factory-default "" "AT&F1&W"

chat-script cisco-default ABORT ERROR "" "AT Z" OK "ATDT \T" TIMEOUT 3 0 \c CONNECT \c

chat-script usr-courier-veverything "" "AT&FS0=1&C1&D2&H1&R2&N14&B1&W"

interface Ethernet0

ip address 192.168.2.30 255.255.255.0

interface Serial0

no ip address

shutdown

interface Serial1

no ip address

shutdown

! interface Group-Async1

ip unnumbered Ethernet0

no ip directed-broadcast

encapsulation ppp

no ip route-cache

no ip mroute-cache

async mode interactive

peer default ip address pool default

no cdp enable

ppp authentication pap chap

group-range 1 16

ip local pool default 192.168.2.64 192.168.2.79

ip classless

ip route 0.0.0.0 0.0.0.0 192.168.2.1

radius-server host 192.168.2.99 auth-port 1645

acct-port 1646 radius-server key Testing_radius

line con 0

session-timeout 10

exec-timeout 0 0

transport preferred none

transport input none

line 1 16

autoselect ppp

modem InOut

transport input all

speed 57600

flowcontrol hardware

line aux 0

transport input all

line vty 0 4

exec-timeout 30 0

end

Cisco2509 CallBack典型配置

version 11.3

service timestamps debug uptime

service timestamps log uptime

no service password-encryption

hostname Router

enable password cisco

username cisco callback-dialstring "" callback-rotary 1 password 0 cisco

chat-script cb "" "ATDT\T" TIMEOUT 60 CONNECT

interface Ethernet0

ip address 192.168.1.201 255.255.255.0

interface Serial0

no ip address

shutdown

interface Serial1

no ip address

shutdown

interface Group-Async1

ip unnumbered Ethernet0

encapsulation ppp

dialer in-band

async mode dedicated

peer default ip address pool mypool

no cdp enable

ppp callback accept

ppp authentication chap group-range 1 8

! ip local pool mypool 192.168.1.221 192.168.1.228

no ip classless

line con 0

line 1 8

script callback cb

rotary 1

modem InOut

transport input all

flowcontrol hardware line aux 0 transport input all flowcontrol hardware line vty 0 4 password cisco login ! end

Cisco Router之间CallBack典型配置

CallBack Server-------------------------------------

version 11.3

service timestamps debug uptime

service timestamps log uptime

no service password-encryption

hostname server

enable password cisco

username client password 0 cisco

chat-script cb "" "ATDT\T" TIMEOUT 60 CONNECT

interface Ethernet0

ip address 192.168.1.201 255.255.255.0

no keepalive

interface Serial0

no ip address

shutdown

interface Serial1

no ip address

shutdown

interface Async8

ip address 10.1.1.2 255.255.255.0

encapsulation ppp

dialer in-band

dialer map ip 10.1.1.1 name client class cb 228

dialer-group 1

async mode dedicated

no peer default ip address

no cdp enable

ppp callback accept

ppp authentication chap

no ip classless

ip route 160.4.1.0 255.255.255.0 10.1.1.1

! !

map-class dialer cb

dialer callback-server username

dialer-list 1 protocol ip permit

line con 0

line 1 8

script dialer cb

modem InOut

transport input all

flowcontrol hardware

line aux 0

line vty 0 4

password cisco

end

CallBack Client--------------------------------------

version 11.2

no service udp-small-servers

no service tcp-small-servers

hostname client

enable secret 5 $1$agg8$blP5tNZMOq0xYXvsO/hGG0

enable password admin

username server password 0 cisco

chat-script cb "" "ATDT\T" TIMEOUT 60 CONNECT

interface Ethernet0

ip address 160.4.1.98 255.255.255.224

no keepalive

interface Serial0

no ip address

shutdown

interface Serial1

no ip address

shutdown

interface Async1

ip address 10.1.1.1 255.255.255.0

encapsulation ppp

async mode dedicated

dialer in-band

dialer map ip 10.1.1.2 name server 391

dialer-group 1

no cdp enable

ppp callback request

ppp authentication chap

no ip classless

ip route 192.168.1.0 255.255.255.0 10.1.1.2

dialer-list 1 protocol ip permit

line con 0

line aux 0

script dialer cb

modem InOut

transport input all

flowcontrol hardware

line vty 0 4

password cisco

end

拨号备份

一、 DDN设置

（一）、ROUTER A(CALLER)

Router#

Router#sh run

Building configuration...

Current configuration:

version 11.3

no service password-encryption

hostname Router

enable secret 5 $1$rAk2$zromrvFspaNC7ICZihqcD/

enable password cisco

chat-script config-modem "" ATDT408 TIMEOUT 30 CONNECT \c

interface Ethernet0

ip address 132.147.160.111 255.255.255.0

no mop enabled

interface Serial0

backup delay 10 10

backup interface Async9

ip address 200.1.1.1 255.255.255.0

encapsulation ppp

no ip mroute-cache

clockrate 64000

interface Serial1

no ip address

shutdown

interface Async9

ip address 200.2.2.1 255.255.255.0

encapsulation ppp

dialer in-band

dialer map ip 200.2.2.2 modem-script config-modem 408

dialer-group 1

async mode dedicated

ip classless

ip route 132.147.161.0 255.255.255.0 200.1.1.2 10

ip route 132.147.161.0 255.255.255.0 200.2.2.2 100

dialer-list 1 protocol ip permit

line con 0

line 1 8

line aux 0

modem InOut

flowcontrol hardware line vty 0 4

password cisco

end

Router#sh line

Tty Typ Tx/Rx A Modem Roty AccO AccI Uses Noise Overruns

* 0 CTY - - - - - 0 0 0/0

1 TTY 9600/9600 - - - - - 0 0 0/0

2 TTY 9600/9600 - - - - - 0 0 0/0

3 TTY 9600/9600 - - - - - 0 0 0/0

4 TTY 9600/9600 - - - - - 0 0 0/0

5 TTY 9600/9600 - - - - - 0 0 0/0

6 TTY 9600/9600 - - - - - 0 0 0/0

7 TTY 9600/9600 - - - - - 0 0 0/0

8 TTY 9600/9600 - - - - - 0 0 0/0

9 AUX 9600/9600 - inout - - - 0 0 0/0

10 VTY - - - - - 0 0 0/0

11 VTY - - - - - 0 0 0/0

12 VTY - - - - - 0 0 0/0

13 VTY - - - - - 0 0 0/0

14 VTY - - - - - 0 0 0/0

Router#sh line aux 0

Tty Typ Tx/Rx A Modem Roty AccO AccI Uses Noise Overruns

9 AUX 9600/9600 - inout - - - 0 0 0/0

Line 9, Location: "", Type: ""

Length: 24 lines, Width: 80 columns

Baud rate (TX/RX) is 9600/9600, no parity, 2 stopbits, 8 databits

Status: none

Capabilities: Hardware Flowcontrol In, Hardware Flowcontrol Out

Modem Callout, Modem RI is CD, Line is permanent async interface

Modem state: Idle

Modem hardware state: CTS* noDSR noDTR RTS

Special Chars: Escape Hold Stop Start Disconnect Activation ^^x none - - none

Timeouts: Idle EXEC Idle Session Modem Answer Session Dispatch 00:10:00 never none not set Idle Session Disconnect Warning

never

Modem type is unknown.

Session limit is not set.

Time since activation: never

Editing is enabled.

History is enabled, history size is 10.

DNS resolution in show commands is enabled

Full user help is disabled

Allowed transports are pad v120 telnet rlogin mop. Preferred is telnet.

No output characters are padded

No special data dispatching characters

Router#sh s0

% Invalid input detected at '^' marker.

Router#sh int s0 Serial0 is up, line protocol is up

Hardware is HD64570

Internet address is 200.1.1.1/24

Backup interface Async9, kickin load not set, kickout load not set

failure delay 10 sec,

secondary disable delay 10 sec

MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive set (10 sec)

LCP Open

Open: IPCP, CDPCP

Last input 00:00:02, output 00:00:03, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

49 packets input, 2127 bytes, 0 no buffer

Received 49 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

48 packets output, 1795 bytes, 0 underruns

0 output errors, 0 collisions, 4 interface resets

0 output buffer failures,

0 output buffers swapped out

3 carrier transitions

DCD=up DSR=up DTR=up RTS=up CTS=up

Router#sh int a9

Async9 is standby mode, line protocol is down

Hardware is Async Serial

Internet address is 200.2.2.1/24

MTU 1500 bytes, BW 9 Kbit, DLY 100000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive not set

DTR is pulsed for 5 seconds on reset

LCP Closed

Closed: IPCP, CDPCP

Last input 00:03:09, output 00:03:22, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

15 packets input, 1184 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

1 input errors, 1 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

66 packets output, 1917 bytes, 0 underruns

0 output errors, 0 collisions, 7 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

Router#!*******************************************************

Router#

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0, changed state to down

%LINK-3-UPDOWN: Interface Serial0, changed state to down

%LINK-3-UPDOWN: Interface Async9, changed state to down

Router#sh int a9

Async9 is up (spoofing), line protocol is up (spoofing)

Hardware is Async Serial

Internet address is 200.2.2.1/24

MTU 1500 bytes, BW 9 Kbit, DLY 100000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive not set

DTR is pulsed for 5 seconds on reset

LCP Closed

Closed: IPCP, CDPCP

Last input 00:06:41, output 00:06:55, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

15 packets input, 1184 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

1 input errors, 1 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

66 packets output, 1917 bytes, 0 underruns

0 output errors, 0 collisions, 7 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

Router#sh int s0

Serial0 is down, line protocol is down

Hardware is HD64570

Internet address is 200.1.1.1/24

Backup interface Async9, kickin load not set, kickout load not set

failure delay 10 sec, secondary disable delay 10 sec

MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive set (10 sec)

LCP Closed

Closed: IPCP, CDPCP

Last input 00:02:25, output 00:02:25, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

81 packets input, 3189 bytes, 0 no buffer

Received 81 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

81 packets output, 3106 bytes, 0 underruns

0 output errors, 0 collisions, 9 interface resets

0 output buffer failures, 0 output buffers swapped out

4 carrier transitions

DCD=up DSR=up DTR=down RTS=down CTS=up

Router#$************************************************************

Router#ping 132.147.161.111

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 132.147.161.111, timeout is 2 seconds: .....

Success rate is 0 percent (0/5)

Router#

%LINK-3-UPDOWN: Interface Async9, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Async9, changed state to up

Router#ping 132.147.161.111

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 132.147.161.111, timeout is 2 seconds: !!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 376/386/404 ms

Router#sh int a9

Async9 is up, line protocol is up

Hardware is Async Serial

Internet address is 200.2.2.1/24

MTU 1500 bytes, BW 9 Kbit, DLY 100000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive not set

DTR is pulsed for 5 seconds on reset

LCP Open

Open: IPCP, CDPCP

Last input 00:00:10, output 00:00:10, output hang never

Last clearing of "show interface" counters never

Input queue: 1/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

27 packets input, 2064 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

2 input errors, 2 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

77 packets output, 2514 bytes, 0 underruns

0 output errors, 0 collisions, 7 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

Router#sh int s0

Serial0 is down, line protocol is down

Hardware is HD64570

Internet address is 200.1.1.1/24

Backup interface Async9, kickin load not set, kickout load not set

failure delay 10 sec, secondary disable delay 10 sec

MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive set (10 sec)

LCP Closed

Closed: IPCP, CDPCP

Last input 00:03:51, output 00:03:51, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

81 packets input, 3189 bytes, 0 no buffer

Received 81 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

81 packets output, 3106 bytes, 0 underruns

0 output errors, 0 collisions, 12 interface resets

0 output buffer failures, 0 output buffers swapped out

4 carrier transitions

DCD=up DSR=up DTR=down RTS=down CTS=up

Router#!*****************************************************************

%LINK-3-UPDOWN: Interface Serial0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Async9, changed state to down

%LINK-5-CHANGED: Interface Async9, changed state to standby mode

Router#ping 132.147.161.111

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 132.147.161.111, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 32/32/32 ms

Router#sh int s0

Serial0 is up, line protocol is up

Hardware is HD64570

Internet address is 200.1.1.1/24

Backup interface Async9, kickin load not set, kickout load not set failure delay 10 sec, secondary disable delay 10 sec

MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive set (10 sec)

LCP Open

Open: IPCP, CDPCP

Last input 00:00:01, output 00:00:01, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec 115 packets input, 5131 bytes, 0 no buffer Received

115 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

115 packets output, 5035 bytes, 0 underruns

0 output errors, 0 collisions, 14 interface resets

0 output buffer failures, 0 output buffers swapped out

13 carrier transitions

DCD=up DSR=up DTR=up RTS=up CTS=up

Router#sh int

a9 Async9 is standby mode, line protocol is down

Hardware is Async Serial Internet address is 200.2.2.1/24

MTU 1500 bytes, BW 9 Kbit, DLY 100000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive not set

DTR is pulsed for 5 seconds on reset

LCP Closed

Closed: IPCP, CDPCP

Last input 00:01:42, output 00:01:42, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

33 packets input, 2852 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

2 input errors, 2 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

82 packets output, 3019 bytes, 0 underruns

0 output errors, 0 collisions, 8 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

Router#

（二）、ROUTERB (CALLER)

Router#sh run

Building configuration...

Current configuration:

version 11.3

no service password-encryption

hostname Router

enable secret 5 $1$ywCg$Hm9E3ga.xYAbzVTEvPpT3.

enable password cisco

! !

interface Ethernet0

ip address 132.147.161.111 255.255.255.0

no mop

enabled

interface Serial0

ip address 200.1.1.2 255.255.255.0

encapsulation ppp no ip mroute-cache

interface Serial1

no ip address shutdown

interface Async1

ip address 200.2.2.2 255.255.255.0 e

ncapsulation ppp

async mode dedicated

pulse-time 60

ip classless ip route 132.147.160.0 255.255.255.0 200.1.1.1

ip route 132.147.160.0 255.255.255.0 200.2.2.1 2

line con 0 line aux 0

flowcontrol hardware

line vty 0 4

password cisco

end

Router#sh line aux 0

Tty Typ Tx/Rx A Modem Roty AccO AccI Uses Noise Overruns

A 1 AUX 9600/9600 - - - - - 0 0 0/0

Line 1, Location: "", Type: ""

Length: 24 lines, Width: 80 columns

Baud rate (TX/RX) is 9600/9600, no parity, 2 stopbits, 8 databits

Status: Ready, Active, Async Interface Active

Capabilities: Hardware Flowcontrol In, Hardware Flowcontrol Out

Line is permanent async interface

Modem state: Ready

Line is running PPP for address 200.2.2.1.

0 output packets queued, 1 input packets.

Async Escape map is 00000000000000000101000000000000

Modem hardware state: CTS* DSR* DTR RTS

Special Chars: Escape Hold Stop Start Disconnect Activation

^^x none - - none

Timeouts: Idle EXEC Idle Session Modem Answer

Session Dispatch 00:10:00 never none not set

Idle Session Disconnect Warning never

Modem type is unknown.

Session limit is not set.

Time since activation: never

Editing is enabled. History is enabled, history size is 10.

DNS resolution in show commands is enabled

Full user help is disabled

Allowed transports are pad v120 telnet rlogin mop. Preferred is telnet.

No output characters are padded

No special data dispatching characters

Router#sh line

Tty Typ Tx/Rx A Modem Roty AccO AccI Uses Noise Overruns

* 0 CTY - - - - - 0 0 0/0 A

1 AUX 9600/9600 - - - - - 0 0 0/0

2 VTY - - - - - 0 0 0/0

3 VTY - - - - - 0 0 0/0

4 VTY - - - - - 0 0 0/0

5 VTY - - - - - 0 0 0/0

6 VTY - - - - - 0 0 0/0

Router#sh int s0

Serial0 is up, line protocol is up

Hardware is HD64570 Internet address is 200.1.1.2/24

MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive set (10 sec)

LCP Open

Open: IPCP, CDPCP

Last input 00:00:05, output 00:00:05, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

74 packets input, 2733 bytes, 0 no buffer

Received 74 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

75 packets output, 3093 bytes, 0 underruns

0 output errors, 0 collisions, 4 interface resets 0 output buffer failures,

0 output buffers swapped out

3 carrier transitions

DCD=up DSR=up DTR=up RTS=up CTS=up

Router#sh int a1

Async1 is up, line protocol is up

Hardware is Async Serial Internet address is 200.2.2.2/24

MTU 1500 bytes, BW 9 Kbit, DLY 100000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive not set

DTR is pulsed for 60 seconds on reset

LCP Open

Open: IPCP, CDPCP

Last input 00:05:23, output 00:00:10, output hang never

Last clearing of "show interface" counters never

Input queue: 1/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

33 packets input, 1125 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

31 packets output, 2888 bytes, 0 underruns

0 output errors, 0 collisions, 2 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

Router#!**************************************************************

Router#

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0, changed state to down

%LINK-3-UPDOWN: Interface Serial0, changed state to down

Router#sh int a9 ^

% Invalid input detected at '^' marker.

Router#sh int a1

Async1 is up, line protocol is up

Hardware is Async Serial Internet address is 200.2.2.2/24

MTU 1500 bytes, BW 9 Kbit, DLY 100000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive not set

DTR is pulsed for 60 seconds on reset

LCP Open

Open: IPCP, CDPCP

Last input 00:07:20, output 00:00:07, output hang never

Last clearing of "show interface" counters never

Input queue: 1/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

33 packets input, 1125 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

33 packets output, 3454 bytes, 0 underruns

0 output errors, 0 collisions, 2 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

Router#wr

Building configuration...

[OK]

Router#sh int s0

Serial0 is down, line protocol is down

Hardware is HD64570

Internet address is 200.1.1.2/24

MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive set (10 sec)

LCP Closed

Closed: IPCP, CDPCP

Last input 00:02:15, output 00:02:15, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

81 packets input, 3106 bytes, 0 no buffer

Received 81 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

81 packets output, 3189 bytes, 0 underruns

0 output errors, 0 collisions, 9 interface resets 0 output buffer failures,

0 output buffers swapped out

4 carrier transitions

DCD=down DSR=down DTR=up RTS=up CTS=down

Router#!************************************************************

Router#sh int a1

Async1 is up, line protocol is up

Hardware is Async Serial Internet address is 200.2.2.2/24

MTU 1500 bytes, BW 9 Kbit, DLY 100000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive not set

DTR is pulsed for 60 seconds on reset

LCP Open

Open: IPCP, CDPCP

Last input 00:00:35, output 00:00:35, output hang never

Last clearing of "show interface" counters never

Input queue: 1/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

44 packets input, 1722 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

46 packets output, 4617 bytes, 0 underruns

0 output errors, 0 collisions, 2 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

Router#sh int s0

Serial0 is down, line protocol is down

Hardware is HD64570

Internet address is 200.1.1.2/24

MTU 1500 bytes, BW 1544 Kbit,

DLY 20000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive set (10 sec)

LCP Closed

Closed: IPCP, CDPCP

Last input 00:04:17, output 00:04:17, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold) Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

81 packets input, 3106 bytes, 0 no buffer

Received 81 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

81 packets output, 3189 bytes, 0 underruns

0 output errors, 0 collisions, 13 interface resets

0 output buffer failures, 0 output buffers swapped out

4 carrier transitions

DCD=down DSR=down DTR=up RTS=up CTS=down Router#ping 200.2.2.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 200.2.2.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 380/387/408 ms Router#!********************************************************************

Router#

%LINK-3-UPDOWN: Interface Serial0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0, changed state to up

Router#sh int a1

Async1 is up, line protocol is up

Hardware is Async Serial

Internet address is 200.2.2.2/24

MTU 1500 bytes, BW 9 Kbit, DLY 100000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive not set

DTR is pulsed for 60 seconds on reset

LCP Open

Open: IPCP, CDPCP

Last input 00:00:54, output 00:00:54, output hang never

Last clearing of "show interface" counters never

Input queue: 1/75/0 (size/max/drops); Total output drops:

0 Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

49 packets input, 2227 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

52 packets output, 5405 bytes, 0 underruns 0 output errors, 0 collisions, 2 interface resets

0 output buffer failures,

0 output buffers swapped out

0 carrier transitions

Router#sh int s0

Serial0 is up, line protocol is up

Hardware is HD64570

Internet address is 200.1.1.2/24

MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set, keepalive set (10 sec)

LCP Open

Open: IPCP, CDPCP

Last input 00:00:00, output 00:00:00, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops) Conversations 0/1 (active/max active/threshold)

Reserved Conversations 0/0/64 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

97 packets input, 3606 bytes, 0 no buffer

Received 97 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

98 packets output, 3979 bytes, 0 underruns

0 output errors, 0 collisions, 14 interface resets

0 output buffer failures, 0 output buffers swapped out

7 carrier transitions DCD=up DSR=up DTR=up RTS=up CTS=up

Router#ping 200.1.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 200.1.1.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 32/32/32 ms

Router#

(三)、Hayes modem的设置

1、RouterA(caller)

at&v

ACTIVE PROFILE: B1 B16 B30 B41 B52 B60 B70 B75 B80 E1 L2 M1 N1 P Q0 V1 W0 X4 Y0 &A0 &B1 &C1 &D3 &G0 &K3 &L0 &Q5 &R0 &S0 &T4 &U0 &X0 &Y0 S00:000 S02:043 S03:013 S04:010 S05:008 S06:002 S07:050 S08:002 S09:006 S10:014 S11:095 S12:050 S25:005 S26:001 S36:007 S37:000 S38:020 S46:002 S48:007

STORED PROFILE 0: B1 B16 B30 B41 B52 B60 B70 B75 B80 E1 L2 M1 N1 P Q0 V1 W0 X4 Y0 &A0 &B1 &C1 &D3 &G0 &K3 &L0 &Q5 &R0 &S0 &T4 &U0 &X0 S00:000 S02:043 S06:002 S07:050 S08:002 S09:006 S10:014 S11:095 S12:050 S25:005 S26:001 S36:007 S37:000 S38:020 S46:002 S48:007 S108:001

STORED PROFILE 1: B1 B16 B30 B41 B52 B60 B70 B75 B80 E1 L2 M1 N1 P Q0 V1 W0 X4 Y0 &A0 &B1 &C0 &D0 &G0 &K3 &L0 &Q5 &R0 &S0 &T4 &U0 &X0 S00:000 S02:043 S06:002 S07:050 S08:002 S09:006 S10:014 S11:095 S12:050 S25:005 S26:001 S36:007 S37:000 S38:020 S46:002 S48:007 S108:001

TELEPHONE NUMBERS:

&Z0=402

&Z1=

&Z2=

&Z3=

AT&FS0=1&C1&D3&W

2、RouterB(Server中心)

at&fe0q1&w或

at&fs0=1&d3&w

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