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學(xué)習(xí)啦 > 學(xué)習(xí)電腦 > 電腦入門 > Cisco路由器的ADSL modem配置詳解

Cisco路由器的ADSL modem配置詳解

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Cisco路由器的ADSL modem配置詳解

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  Cisco路由器的ADSL modem配置詳解具體的方法

  路由器接入ADSL配置詳解

  1、Cisco路由器連接ADSL modem的PPPoE配置: 說明:此案例為北京電信adsl PPPoE接入,需要使用一個(gè)普通adsl modem和一臺(tái)cisco 2500路由器(雙以太口),IOS 12.2(15)T,能夠?qū)崿F(xiàn)局域網(wǎng)共享上網(wǎng).

  此案例配置共分7步:

  第一步:配置vpdn vpdn e

  1、Cisco路由器連接ADSL modem的PPPoE配置:

  說明:此案例為北京電信adsl PPPoE接入,需要使用一個(gè)普通adsl modem和一臺(tái)cisco 2500路由器(雙以太口),IOS 12.2(15)T,能夠?qū)崿F(xiàn)局域網(wǎng)共享上網(wǎng).

  此案例配置共分7步:

  第一步:配置vpdn

  vpdn enable(啟用路由器的虛擬專用撥號網(wǎng)絡(luò)---d)

  vpdn-group office(建立一個(gè)vpdn組,)

  request-dialin(初始化一個(gè)d tunnel,建立一個(gè)請求撥入的vpdn子組,)

  protocol pppoe(vpdn子組使用pppoe建立會(huì)話隧道)

  第二步: 配置路由器連接adsl modem的接口

  interface Ethernet1

  no ip address

  pppoe enable允許以太接口運(yùn)行pppoe

  pppoe-client dial-pool-number 1將以太接口的pppoe撥號客戶端加入撥號池1

  第三步:配置邏輯撥號接口:

  interface Dialer1

  ip address negotiated從adsl服務(wù)商動(dòng)態(tài)協(xié)商得到ip地址

  ip nat outside為該接口啟用NAT

  encapsulation ppp為該接口封裝ppp協(xié)議

  dialer pool 1該接口使用1號撥號池進(jìn)行撥號

  dialer-group 1該命令對于pppoe是意義不大的

  ppp authentication pap callin啟用ppp pap驗(yàn)證

  ppp pap sent-username xxxxxxx password 0 yyyyyyy使用已經(jīng)申請的用戶名和口令

  第四步:配置內(nèi)部網(wǎng)絡(luò)接口

  interface Ethernet0(內(nèi)部網(wǎng)絡(luò)接口)

  ip address 10.1.1.1 255.255.255.0

  ip nat inside為該接口啟用NAT

  第五步:配置路由器為內(nèi)部網(wǎng)絡(luò)主機(jī)提供dhcp服務(wù)

  ip dhcp excluded-address 10.1.1.1

  ip dhcp pool ABC

  import all(導(dǎo)入dns和wins server)

  network 10.1.1.0 255.255.255.0

  default-router 10.1.1.1

  第六步:配置NAT:

  access-list 1 permit 10.1.1.0 0.0.0.255

  cc

  第七步:配置缺省路由

  ip route 0.0.0.0 0.0.0.0 Dialer1

  2、Cisco路由器連接ADSL WIC卡之PPPoE配置解:

  !

  vpdn enable

  no vpdn logging <=由于ADSL的PPPoE應(yīng)用是通過虛擬撥號來實(shí)現(xiàn)的所以在路由器中需要使用VPDN的功能

  !

  vpdn-group pppoe <=為PPPoE啟動(dòng)了VPDN的進(jìn)程

  request-dialin

  protocol pppoe <=設(shè)置撥號協(xié)議為PPPoE

  !

  interface FastEthernet0 <=設(shè)置公司內(nèi)部網(wǎng)絡(luò)地址

  ip address 192.168.0.1 255.255.255.0

  ip nat inside <=為啟用NAT轉(zhuǎn)換,設(shè)置Fast ethernet端口為內(nèi)部網(wǎng)絡(luò),從內(nèi)部網(wǎng)絡(luò)收到的數(shù)據(jù)的原地址轉(zhuǎn)換為公網(wǎng)地址

  !

  interface ATM0/0 <=設(shè)置ADSL端口

  no ip address <=請不要設(shè)置地址

  no atm ilmi-keepalive

  bundle-enable

  dsl operating-mode auto

  hold-queue 224 in

  interface ATM0/0.1 point-to-point <=ADSL的通訊 依靠VC,所以必須設(shè)定點(diǎn)到點(diǎn)VC

  pvc 8/81 <=設(shè)置PVC的相關(guān)參數(shù), 即VCI和VPI的值,如果不清楚請向局端查詢

  pppoe-client dial-pool-number 1 <=PPPoE撥號進(jìn)程使用了常規(guī)的撥號進(jìn)程,這里引用了dialer-pool 1

  !

  interface Dialer1 <=建立一個(gè)虛擬撥號端口 ip address negotiated <=由于局端提供動(dòng)態(tài)地址,所以必須設(shè)定地址為協(xié)商獲得

  ip mtu 1492 <=修改mtu值以適用于ADSL網(wǎng)絡(luò)

  ip nat outside <=為啟用NAT轉(zhuǎn)換,設(shè)置該端口為外部網(wǎng)絡(luò)

  encapsulation ppp <=使用PPP的幀格式

  dialer pool 1

  ppp authentication pap callin <=設(shè)置撥號的驗(yàn)證方式為pap

  ppp pap sent vip pass vip <=發(fā)送用戶名和密碼

  ip nat inside source list 1 interface Dialer1 overload <=設(shè)置了NAT的轉(zhuǎn)換方式,使用了dialer 1端口的動(dòng)態(tài)地址

  !

  ip classless

  ip route 0.0.0.0 0.0.0.0 dialer1 <=將所有不可路由的數(shù)據(jù)報(bào)轉(zhuǎn)發(fā)給ADSL線路,設(shè)定缺省路由

  no ip http server

  !

  access-list 1 permit 192.168.0.0 0.0.0.255

  -------------------------------------

  Cisco路由器連接ADSL modem的PPPoE配置:

  hostname bjsite

  !

  ip subnet-zero

  no ip domain-lookup

  !

  vpdn enable

  no vpdn logging

  !

  vpdn-group 1

  request-dialin

  protocol pppoe

  !

  interface Ethernet0/0

  ip address 192.168.0.1 255.255.255.0

  ip nat inside

  no ip mroute-cache

  !

  !

  !

  !

  interface Ethernet0/1

  no ip address

  pppoe enable

  pppoe-client dial-pool-number 1

  !

  interface Dialer1

  ip address negotiated

  ip nat outside

  ip mtu 1492

  encapsulation ppp

  no ip mroute-cache

  dialer pool 1

  dialer-group 1

  ppp authentication pap

  ppp pap sent-username dg48907653@163.gd password xxxxxxxx

  !

  ip classless

  no ip http server

  !

  dialer-list 1 protocol ip permit

  ip nat inside source list 1 interface Dialer1 overload

  ip route 0.0.0.0 0.0.0.0 dialer1

  access-list 1 permit 192.168.0.0 0.0.0.255

  !

  line con 0

  exec-timeout 0 0

  transport input none

  line vty 0 4

  login

  !

  end

  Cisco路由器連接ADSL WIC卡之PPPoE配置:

  vpdn-group pppoe

  request-dialin

  !--- we are the PPPoE client requesting to establish

  !--- a session with the aggregation unit (6400 NRP).

  protocol pppoe

  !

  !--- internal Ethernet network.

  !

  interface FastEthernet0

  ip address 10.92.1.182 255.255.255.0

  ip nat inside

  !--- DSL interface.

  !

  interface ATM0

  no ip address

  no atm ilmi-keepalive

  bundle-enable

  dsl operating-mode auto

  hold-queue 224 in

  !--- All defaults.

  !--- PPPoE runs on top of AAL5SNAP, but the

  !--- encap aal5snap command is not used.

  !

  interface ATM0.1 point-to-point

  pvc 1/1

  pppoe-client dial-pool-number 1

  !--- pvc 1/1 is an example value that must be changed

  !--- to match the value used by the ISP.

  !

  !--- The PPPoE client code ties into a dialer interface upon

  !--- which a virtual-access interface is cloned.

  !

  interface Dialer1

  ip address negotiated

  ip mtu 1492

  !--- Ethernet MTU default = 1500 (1492 + PPPoE headers = 1500)

  ip nat outside

  encapsulation ppp

  dialer pool 1

  !--- Ties to atm interface.

  ppp authentication chap callin

  ppp chap hostname <username>

  ppp chap password <password>

  !

  !--- The ISP will instruct you regarding

  !--- the type of authentication to use.

  !--- To change from PPP CHAP to PPP PAP,

  !--- replace the following three lines:

  !--- ppp authentication chap callin

  !--- ppp chap hostname <username>

  !--- ppp chap password <password>

  !--- with the following two lines:

  !--- ppp authentication pap callin

  !--- ppp pap sent-username <username> password <password>

  !--- For NAT we are going to overload on the Dialer1

  !--- interface and add a default route out

  !--- since dialer ip address can change.

  ip nat inside source list 1 interface Dialer1 overload

  ip classless

  ip route 0.0.0.0 0.0.0.0 dialer1

  no ip http server

  !

  access-list 1 permit 10.92.1.0 0.0.0.255

  -------------------------------------------

  用cisco路由器做PPPoE Server端配置

  en

  conf t

  hostname Adsl_walkbird

  username walkbird password walkbird

  vpdn enable

  vpdn-group pppoe

  accept-dialin

  protocol pppoe

  virtual-template 1

  exit

  exit

  interface ethernet 0/0

  pppoe enable

  no shutdown

  interface virtual-template 1

  mtu 1492 //PPP頭部最大傳輸單元

  ip unnumbered loopback //借用地址

  peer default ip address pool pppoe_ip_pool

  encapsulation ppp

  ppp authentication pap

  exit

  ip local pool pppoe_ip_pool 11.11.11.10 11.11.11.100

  interface lookback0

  ip address 1.1.1.1 255.255.255.0

  no shutdown

  exit

  三、實(shí)驗(yàn)測試

  sh ip route

  sh ip int brief

  debug pppoe event

  sh ip int dialer 1

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