Router With ADSL

[it_hoai]

Minh dang su dung duong truyen ADSL voi 1 IP tinh. Hien minh dang xai con Drytek Vigor 2700Ce lam router.Bay gio minh khong muon xai con Drytek nua, minh muon thay the bang con router cisco 2800.Cac anh chi, cac ban chi cho minh cach config con router cisco voi duong ADSL voi.Co the cho minh mot so bai viet mau.Cam on rat nhieu.

[dangquangminh]

Dưới đây là một cấu hình mẫu:
--------------------
Client#show run
!
hostname Client
!
ip subnet-zero
!
no ip domain lookup
!
vpdn enable
!
vpdn-group 1
request-dialin
protocol pppoe
!
interface ATM0/0
mac-address 0005.5e96.2cc0
no ip address
no atm ilmi-keepalive
pvc 8/35
encapsulation aal5snap
pppoe-client dial-pool-number 1
!
dsl operating-mode auto
no fair-queue
!
interface Ethernet0/0
ip address 11.0.0.1 255.0.0.0
no keepalive
half-duplex
!
interface Dialer1
mtu 1492
ip address negotiated
encapsulation ppp
dialer pool 1
dialer-group 1
ppp authentication chap callin
ppp chap hostname Client
ppp chap password 0 cisco
!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer1
ip http server
!
!
dialer-list 1 protocol ip permit
end

Client#show int dsl atm 0/0
Alcatel 20150 chipset information
ATU-R (DS) ATU-C (US)
Modem Status: Showtime (DMTDSL_SHOWTIME)
DSL Mode: ITU G.992.1 (G.DMT)
ITU STD NUM: 0x01 0x1
Vendor ID: 'ALCB' 'GSPN'
Vendor Specific: 0x0000 0x0004
Vendor Country: 0x00 0x00
Capacity Used: 83% 107%
Noise Margin: 11.5 dB 7.0 dB
Output Power: 8.0 dBm 10.0 dBm
Attenuation: 0.0 dB 4.0 dB
Defect Status: None None
Last Fail Code: Error in early non-CRC message or in first CRC-covered message
Selftest Result: 0x00
Subfunction: 0x15
Interrupts: 2671 (0 spurious)
PHY Access Err: 0
Activations: 3
SW Version: 3.8129
FW Version: 0x1A04