bài viết ccnp ppp callback

hostname dung username chau password 0 cisco ip subnet-zero no ip domain-lookup!. interface Async1 ip address 192.168.8.3 255.255.255.0 no ip directed-broadcast encapsulation ppp dialer

Bài viết CCNP PPP callback

Tác giả: Đặng Quang Minh

Trong bài lab này, hai router có tên là dung và chau sẽ thực hiện ppp callback

dung#sh run

Building configuration

Current configuration:

!

version 12.0

service timestamps debug uptime

service timestamps log uptime

no service password-encryption

!

hostname dung

username chau password 0 cisco

ip subnet-zero

no ip domain-lookup

!

chat-script DUNG ABORT ERROR ABORT BUSY "" "ATZ" OK

"ATDT \T" TIMEOUT 30 CONNECT \c

interface Loopback0

ip address 1.1.1.1 255.255.255.0

no ip directed-broadcast

!

interface Async1

ip address 192.168.8.3 255.255.255.0

no ip directed-broadcast

encapsulation ppp

dialer in-band

dialer callback-secure

dialer idle-timeout 300

dialer enable-timeout 10

dialer wait-for-carrier-time 60

dialer map ip 192.168.8.1 name chau class dialback modem-script DUNG broadcast 204

dialer hold-queue 50

dialer-group 1

async mode dedicated

no cdp enable

ppp callback accept

ppp authentication chap

!

ip classless

ip route 0.0.0.0 0.0.0.0 192.168.8.1

no ip http server

!

!

map-class dialer dialback

dialer callback-server username

dialer-list 1 protocol ip permit

!

line con 0

transport input none

line aux 0

modem InOut

modem autoconfigure discovery

transport input all

stopbits 1

speed 38400

flowcontrol hardware

line vty 0 4

password cisco

login

!

end

dung#sh ver

Cisco Internetwork Operating System Software

IOS (tm) 2500 Software (C2500-I-L), Version 12.0(5)T, RELEASE SOFTWARE (fc1)

Copyright (c) 1986-1999 by cisco Systems, Inc

Compiled Fri 23-Jul-99 03:14 by kpma

Image text-base: 0x03039754, data-base: 0x00001000

ROM: System Bootstrap, Version 5.2(5), RELEASE SOFTWARE BOOTFLASH: 3000 Bootstrap Software (IGS-RXBOOT), Version 10.2(5), RELEASE SOFTWARE (fc1)

dung uptime is 2 hours, 7 minutes

System returned to ROM by reload

System image file is "flash:c2500-i-mz_120-5_T.bin"

cisco 2500 (68030) processor (revision D) with 16384K/2048K

bytes of memory

Processor board ID 02095691, with hardware revision 00000000

Bridging software

X.25 software, Version 3.0.0

1 Ethernet/IEEE 802.3 interface(s)

2 Serial network interface(s)

32K bytes of non-volatile configuration memory

8192K bytes of processor board System flash (Read ONLY) Configuration register is 0x2102

Đây là cấu hình router chau:

show run

Building configuration

Current configuration:

!

version 12.0

service timestamps debug uptime

service timestamps log uptime

no service password-encryption

service udp-small-servers

service tcp-small-servers

!

hostname chau

!

!

username dung password 7 060506324F41

!

ip subnet-zero

!

chat-script chau ABORT ERROR ABORT BUSY "" "ATZ" OK "ATDT

\T" TIMEOUT 30 CONNECT \c

!

process-max-time 200

!

interface Loopback0

ip address 1.1.1.1 255.255.255.0

no ip directed-broadcast

no ip route-cache

no ip mroute-cache

!

interface Loopback1

ip address 192.168.216.1 255.255.255.0

no ip directed-broadcast

no ip route-cache

no ip mroute-cache

!

interface Ethernet0

ip address 10.0.0.2 255.255.255.0

no ip directed-broadcast

no ip route-cache

no ip mroute-cache

!

!

interface Async1

ip address 192.168.8.1 255.255.255.0

no ip directed-broadcast

encapsulation ppp

no ip route-cache

no ip mroute-cache

dialer in-band

dialer idle-timeout 300

dialer enable-timeout 10

dialer wait-for-carrier-time 60

dialer map ip 192.168.8.3 name dung modem-script chau broadcast 203

dialer-group 1

async mode dedicated

ppp callback request

ppp authentication chap

!

ip classless

no ip http server

!

dialer-list 1 protocol ip permit

!

line con 0

transport input none

line aux 0

modem InOut

transport input all

stopbits 1

speed 38400

flowcontrol hardware

line vty 0 4

login

!

end

chau#show ver

Cisco Internetwork Operating System Software

IOS (tm) 2500 Software (C2500-I-L), Version 12.0(5)T, RELEASE SOFTWARE (fc1)

Copyright (c) 1986-1999 by cisco Systems, Inc

Compiled Fri 23-Jul-99 03:14 by kpma

Image text-base: 0x03039754, data-base: 0x00001000

ROM: System Bootstrap, Version 11.0(10c), SOFTWARE

BOOTFLASH: 3000 Bootstrap Software (IGS-BOOT-R), Version 11.0(10c), RELEASE SOFTWARE (fc1)

chau uptime is 19 minutes

System returned to ROM by reload

System image file is "flash:c2500-i-mz_120-5_T.bin"

cisco 2500 (68030) processor (revision L) with 14336K/2048K bytes of memory

Processor board ID 08370517, with hardware revision 00000000

Bridging software

X.25 software, Version 3.0.0

2 Ethernet/IEEE 802.3 interface(s)

2 Serial network interface(s)

32K bytes of non-volatile configuration memory

8192K bytes of processor board System flash (Read ONLY) Configuration register is 0x2102

chau#