DSL:ASR920上的点对点以太网协议(PPPoE)配置指南

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已更新: 2016 年 8 月 22 日

文档 ID:200590

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简介

本文档介绍在充当客户端的Cisco ASR 920聚合服务路由器上配置以太网点对点协议(PPPoE)的过程。

先决条件

要求

思科建议您了解端到端第1层连接。

使用的组件

本文档中的信息基于Cisco ASR 920硬件。

本文档中的信息是从特定实验环境中的设备创建的。本文档中使用的所有设备都以已清除（默认）的配置开始。

注意：如果您的网络处于活动状态，请确保您了解所有命令的潜在影响。

配置

注意：使用命令查找工具（仅限注册用户）可获取有关本部分所使用命令的详细信息。

路由器上的配置是从背到背设置（客户端和服务器）。

客户端配置

它特定于ASR 920平台。


interface GigabitEthernet0/0/1
 no ip address
 no ip redirects
 no ip proxy-arp
 ip tcp adjust-mss 1452
 speed 1000
 no negotiation auto
 cdp enable
 ip virtual-reassembly
 service instance 10 ethernet
  encapsulation untagged etype pppoe-all
  bridge-domain 10
!
interface Dialer1
 ip address negotiated
 encapsulation ppp
 dialer pool 1
 dialer-group 1
 ppp authentication pap chap callin
 ppp chap hostname cisco
 ppp chap password 0 cisco123
 ppp pap sent-username cisco password 0 cisco123
end
!
interface BDI10
 no ip address
 pppoe enable group global
 pppoe-client dial-pool-number 1
!
ip route 0.0.0.0 0.0.0.0 Dialer1

服务器配置

无论客户端使用的平台如何，所有场景中的情况都保持不变。


 username cisco password 0 cisco123 
 ! 
 bba-group pppoe global 
  virtual-template 1 
 ! 
 interface GigabitEthernet0/0 
  ip address 192.168.1.1 255.255.255.0 
  ip rip advertise 4 
  load-interval 30 
  duplex auto 
  speed auto 
  pppoe enable group global 
 ! 
 interface Virtual-Template1 
  mtu 1492 
  ip unnumbered GigabitEthernet0/0 
  peer default ip address pool PPPoE_Pool 
  ppp authentication pap chap 
 ! 
 ip local pool PPPoE_Pool 10.1.1.1 10.1.1.100

验证

使用本部分可确认配置能否正常运行。

在客户端和服务器上启用以下调试：

debug ppp negotiation
debug ppp authentication
调试ppp错误
Debug dialer

客户端日志:

 *Jul 14 20:23:09.486: ppp13 PPP: Phase is ESTABLISHING 
 *Jul 14 20:23:09.486: Vi2 PPP: Using dialer call direction 
 *Jul 14 20:23:09.486: Vi2 PPP: Treating connection as a callout 
 *Jul 14 20:23:09.486: Vi2 PPP: Session handle[6300000D] Session id[13] 
 *Jul 14 20:23:09.486: Vi2 LCP: Event[OPEN] State[Initial to Starting] 
 *Jul 14 20:23:09.486: Vi2 PPP: No remote authentication for call-out 
 *Jul 14 20:23:09.486: Vi2 LCP: O CONFREQ [Starting] id 1 len 10 
 *Jul 14 20:23:09.486: Vi2 LCP:    MagicNumber 0xB07C8578 (0x0506B07C8578) 
 *Jul 14 20:23:09.486: Vi2 LCP: Event[UP] State[Starting to REQsent] 
 *Jul 14 20:23:09.488: Vi2 LCP: I CONFREQ [REQsent] id 1 len 18 
 *Jul 14 20:23:09.488: Vi2 LCP:    MRU 1492 (0x010405D4) 
 *Jul 14 20:23:09.488: Vi2 LCP:    AuthProto PAP (0x0304C023) 
 *Jul 14 20:23:09.488: Vi2 LCP:    MagicNumber 0xED0582E9 (0x0506ED0582E9) 
 *Jul 14 20:23:09.488: Vi2 LCP: O CONFNAK [REQsent] id 1 len 8 
 *Jul 14 20:23:09.488: Vi2 LCP:    MRU 1500 (0x010405DC) 
 *Jul 14 20:23:09.489: Vi2 LCP: Event[Receive ConfReq-] State[REQsent to REQsent] 
 *Jul 14 20:23:09.489: Vi2 LCP: I CONFACK [REQsent] id 1 len 10 
 *Jul 14 20:23:09.489: Vi2 LCP:    MagicNumber 0xB07C8578 (0x0506B07C8578) 
 *Jul 14 20:23:09.489: Vi2 LCP: Event[Receive ConfAck] State[REQsent to ACKrcvd] 
 *Jul 14 20:23:09.490: Vi2 LCP: I CONFREQ [ACKrcvd] id 2 len 18 
 *Jul 14 20:23:09.490: Vi2 LCP:    MRU 1500 (0x010405DC) 
 *Jul 14 20:23:09.490: Vi2 LCP:    AuthProto PAP (0x0304C023) 
 *Jul 14 20:23:09.490: Vi2 LCP:    MagicNumber 0xED0582E9 (0x0506ED0582E9) 
 *Jul 14 20:23:09.490: Vi2 LCP: O CONFACK [ACKrcvd] id 2 len 18 
 *Jul 14 20:23:09.490: Vi2 LCP:    MRU 1500 (0x010405DC) 
 *Jul 14 20:23:09.490: Vi2 LCP:    AuthProto PAP (0x0304C023) 
 *Jul 14 20:23:09.490: Vi2 LCP:    MagicNumber 0xED0582E9 (0x0506ED0582E9) 
 *Jul 14 20:23:09.490: Vi2 LCP: Event[Receive ConfReq+] State[ACKrcvd to Open] 
 *Jul 14 20:23:09.499: Vi2 PPP: No authorization without authentication 
 *Jul 14 20:23:09.499: Vi2 PPP: Phase is AUTHENTICATING, by the peer 
 *Jul 14 20:23:09.499: Vi2 PAP: Using hostname from interface PAP 
 *Jul 14 20:23:09.499: Vi2 PAP: Using password from interface PAP 
 *Jul 14 20:23:09.499: Vi2 PAP: O AUTH-REQ id 1 len 19 from "cisco" 
 *Jul 14 20:23:09.499: Vi2 LCP: State is Open 
 *Jul 14 20:23:09.530: Vi2 PAP: I AUTH-ACK id 1 len 5 
 *Jul 14 20:23:09.530: Vi2 PPP: Phase is FORWARDING, Attempting Forward 
 *Jul 14 20:23:09.530: Vi2 PPP: Queue IPCP code[1] id[1] 
 *Jul 14 20:23:09.532: Vi2 PPP: Phase is ESTABLISHING, Finish LCP 
 *Jul 14 20:23:09.532: Vi2 PPP: Phase is UP 
 *Jul 14 20:23:09.532: Vi2 IPCP: Protocol configured, start CP. state[Initial] 
 *Jul 14 20:23:09.532: Vi2 IPCP: Event[OPEN] State[Initial to Starting] 
 *Jul 14 20:23:09.532: Vi2 IPCP: O CONFREQ [Starting] id 1 len 10 
 *Jul 14 20:23:09.532: Vi2 IPCP:    Address 0.0.0.0 (0x030600000000) 
 *Jul 14 20:23:09.532: Vi2 IPCP: Event[UP] State[Starting to REQsent] 
 *Jul 14 20:23:09.532: Vi2 PPP: Process pending ncp packets 
 *Jul 14 20:23:09.532: Vi2 IPCP: Redirect packet to Vi2 
 *Jul 14 20:23:09.532: Vi2 IPCP: I CONFREQ [REQsent] id 1 len 10 
 *Jul 14 20:23:09.532: Vi2 IPCP:    Address 192.168.1.1 (0x0306C0A80101) 
 *Jul 14 20:23:09.533: Vi2 IPCP: O CONFACK [REQsent] id 1 len 10 
 *Jul 14 20:23:09.533: Vi2 IPCP:    Address 192.168.1.1 (0x0306C0A80101) 
 *Jul 14 20:23:09.533: Vi2 IPCP: Event[Receive ConfReq+] State[REQsent to ACKsent] 
 *Jul 14 20:23:09.535: Vi2 IPCP: I CONFNAK [ACKsent] id 1 len 10 
 *Jul 14 20:23:09.535: Vi2 IPCP:    Address 10.1.1.1 (0x03060A010101) 
 *Jul 14 20:23:09.535: Vi2 IPCP: O CONFREQ [ACKsent] id 2 len 10 
 *Jul 14 20:23:09.535: Vi2 IPCP:    Address 10.1.1.1 (0x03060A010101) 
 *Jul 14 20:23:09.536: Vi2 IPCP: Event[Receive ConfNak/Rej] State[ACKsent to ACKsent] 
 *Jul 14 20:23:09.537: Vi2 IPCP: I CONFACK [ACKsent] id 2 len 10 
 *Jul 14 20:23:09.537: Vi2 IPCP:    Address 10.1.1.1 (0x03060A010101) 
 *Jul 14 20:23:09.537: Vi2 IPCP: Event[Receive ConfAck] State[ACKsent to Open] 
 *Jul 14 20:23:09.562: Vi2 IPCP: State is Open 
 *Jul 14 20:23:09.562: Di1 IPCP: Install negotiated IP interface address 10.1.1.1 
 *Jul 14 20:23:09.565: PPPoE : ipfib_encapstr  prepared 
 *Jul 14 20:23:09.566: Di1 Added to neighbor route AVL tree: topoid 0, address 192.168.1.1 
 *Jul 14 20:23:09.566: Di1 IPCP: Install route to 192.168.1.1 
 *Jul 14 20:23:09.567: Vi2 DDR: dialer protocol up 
 *Jul 14 20:23:09.567: PPPoE : ipfib_encapstr  prepared 
 *Jul 14 20:23:09.567: Di1 DDR: dialer protocol up 
 *Jul 14 20:23:10.235: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access2, changed state to up

 Client#sh pppoe session
     1 client session 

Uniq ID  PPPoE  RemMAC          Port                    VT  VA         State
           SID  LocMAC                                      VA-st      Type
    N/A      1  a0ec.f9d8.9dd0  BD10                    Di1 Vi2        UP      
                64f6.9d6e.dd3f                              UP

服务器日志：

* Jul 15 04:41:18.727: ppp1 PPP: Phase is ESTABLISHING 
 *Jul 15 04:41:18.727: ppp1 PPP: Using vpn set call direction 
 *Jul 15 04:41:18.727: ppp1 PPP: Treating connection as a callin 
 *Jul 15 04:41:18.727: ppp1 PPP: Session handle[BF000001] Session id[1] 
 *Jul 15 04:41:18.727: ppp1 LCP: Event[OPEN] State[Initial to Starting] 
 *Jul 15 04:41:18.727: ppp1 PPP LCP: Enter passive mode, state[Stopped] 
 *Jul 15 04:41:18.735: ppp1 LCP: I CONFREQ [Stopped] id 1 len 10 
 *Jul 15 04:41:18.735: ppp1 LCP:    MagicNumber 0xB07C8578 (0x0506B07C8578) 
 *Jul 15 04:41:18.735: ppp1 LCP: O CONFREQ [Stopped] id 1 len 18 
 *Jul 15 04:41:18.735: ppp1 LCP:    MRU 1492 (0x010405D4) 
 *Jul 15 04:41:18.735: ppp1 LCP:    AuthProto PAP (0x0304C023) 
 *Jul 15 04:41:18.735: ppp1 LCP:    MagicNumber 0xED0582E9 (0x0506ED0582E9) 
 *Jul 15 04:41:18.735: ppp1 LCP: O CONFACK [Stopped] id 1 len 10 
 *Jul 15 04:41:18.735: ppp1 LCP:    MagicNumber 0xB07C8578 (0x0506B07C8578) 
 *Jul 15 04:41:18.735: ppp1 LCP: Event[Receive ConfReq+] State[Stopped to ACKsent] 
 *Jul 15 04:41:18.735: ppp1 LCP: I CONFNAK [ACKsent] id 1 len 8 
 *Jul 15 04:41:18.735: ppp1 LCP:    MRU 1500 (0x010405DC) 
 *Jul 15 04:41:18.735: ppp1 LCP: O CONFREQ [ACKsent] id 2 len 18 
 *Jul 15 04:41:18.735: ppp1 LCP:    MRU 1500 (0x010405DC) 
 *Jul 15 04:41:18.735: ppp1 LCP:    AuthProto PAP (0x0304C023) 
 *Jul 15 04:41:18.735: ppp1 LCP:    MagicNumber 0xED0582E9 (0x0506ED0582E9) 
 *Jul 15 04:41:18.735: ppp1 LCP: Event[Receive ConfNak/Rej] State[ACKsent to ACKsent] 
 *Jul 15 04:41:18.739: ppp1 LCP: I CONFACK [ACKsent] id 2 len 18 
 *Jul 15 04:41:18.739: ppp1 LCP:    MRU 1500 (0x010405DC) 
 *Jul 15 04:41:18.739: ppp1 LCP:    AuthProto PAP (0x0304C023) 
 *Jul 15 04:41:18.739: ppp1 LCP:    MagicNumber 0xED0582E9 (0x0506ED0582E9) 
 *Jul 15 04:41:18.739: ppp1 LCP: Event[Receive ConfAck] State[ACKsent to Open] 
 *Jul 15 04:41:18.747: ppp1 PPP: Queue PAP code[1] id[1] 
 *Jul 15 04:41:18.763: ppp1 PPP: Phase is AUTHENTICATING, by this end 
 *Jul 15 04:41:18.763: ppp1 PAP: Redirect packet to ppp1 
 *Jul 15 04:41:18.763: ppp1 PAP: I AUTH-REQ id 1 len 19 from "cisco" 
 *Jul 15 04:41:18.763: ppp1 PAP: Authenticating peer cisco 
 *Jul 15 04:41:18.763: ppp1 PPP: Phase is FORWARDING, Attempting Forward 
 *Jul 15 04:41:18.763: ppp1 LCP: State is Open 
 *Jul 15 04:41:18.763: ppp1 PPP: Phase is AUTHENTICATING, Unauthenticated User 
 *Jul 15 04:41:18.763: ppp1 PPP: Sent PAP LOGIN Request 
 *Jul 15 04:41:18.763: ppp1 PPP: Received LOGIN Response PASS 
 *Jul 15 04:41:18.763: ppp1 IPCP: Authorizing CP 
 *Jul 15 04:41:18.763: ppp1 IPCP: CP stalled on event[Authorize CP] 
 *Jul 15 04:41:18.763: ppp1 IPCP: CP unstall 
 *Jul 15 04:41:18.763: ppp1 PPP: Phase is FORWARDING, Attempting Forward 
 *Jul 15 04:41:18.775: Vi1.1 PPP: Phase is AUTHENTICATING, Authenticated User 
 *Jul 15 04:41:18.775: Vi1.1 PAP: O AUTH-ACK id 1 len 5 
 *Jul 15 04:41:18.775: Vi1.1 PPP: Phase is UP 
 *Jul 15 04:41:18.775: Vi1.1 IPCP: Protocol configured, start CP. state[Initial] 
 *Jul 15 04:41:18.775: Vi1.1 IPCP: Event[OPEN] State[Initial to Starting] 
 *Jul 15 04:41:18.775: Vi1.1 IPCP: O CONFREQ [Starting] id 1 len 10 
 *Jul 15 04:41:18.775: Vi1.1 IPCP:    Address 192.168.1.1 (0x0306C0A80101) 
 *Jul 15 04:41:18.779: Vi1.1 IPCP: Event[UP] State[Starting to REQsent] 
 *Jul 15 04:41:18.779: Vi1.1 IPCP: I CONFREQ [REQsent] id 1 len 10 
 *Jul 15 04:41:18.779: Vi1.1 IPCP:    Address 0.0.0.0 (0x030600000000) 
 *Jul 15 04:41:18.783: Vi1.1 IPCP AUTHOR: Start.  Her address 0.0.0.0, we want 0.0.0.0 
 *Jul 15 04:41:18.783: Vi1.1 IPCP AUTHOR: Done.  Her address 0.0.0.0, we want 0.0.0.0 
 *Jul 15 04:41:18.783: Vi1.1 IPCP: Pool returned 10.1.1.1 
 *Jul 15 04:41:18.783: Vi1.1 IPCP: O CONFNAK [REQsent] id 1 len 10 
 *Jul 15 04:41:18.783: Vi1.1 IPCP:    Address 10.1.1.1 (0x03060A010101) 
 *Jul 15 04:41:18.783: Vi1.1 IPCP: Event[Receive ConfReq-] State[REQsent to REQsent] 
 *Jul 15 04:41:18.783: Vi1.1 IPCP: I CONFACK [REQsent] id 1 len 10 
 *Jul 15 04:41:18.783: Vi1.1 IPCP:    Address 192.168.1.1 (0x0306C0A80101) 
 *Jul 15 04:41:18.783: Vi1.1 IPCP: Event[Receive ConfAck] State[REQsent to ACKrcvd] 
 *Jul 15 04:41:18.783: Vi1.1 IPCP: I CONFREQ [ACKrcvd] id 2 len 10 
 *Jul 15 04:41:18.783: Vi1.1 IPCP:    Address 10.1.1.1 (0x03060A010101) 
 *Jul 15 04:41:18.783: Vi1.1 IPCP: O CONFACK [ACKrcvd] id 2 len 10 
 *Jul 15 04:41:18.783: Vi1.1 IPCP:    Address 10.1.1.1 (0x03060A010101) 
 *Jul 15 04:41:18.783: Vi1.1 IPCP: Event[Receive ConfReq+] State[ACKrcvd to Open] 
 *Jul 15 04:41:18.795: Vi1.1 IPCP: State is Open 
 *Jul 15 04:41:18.795: Vi1.1 Added to neighbor route AVL tree: topoid 0, address 10.1.1.1 
 *Jul 15 04:41:18.795: Vi1.1 IPCP: Install route to 10.1.1.1

 Server#show pppoe session 
      1 session  in LOCALLY_TERMINATED (PTA) State 
      1 session  total 

 Uniq ID  PPPoE  RemMAC          Port                    VT  VA         State 
            SID  LocMAC                                      VA-st      Type 
       1      1  64f6.9d6e.dd3f  Gi0/0                    1  Vi1.1      PTA   
                 a0ec.f9d8.9dd0                              UP

故障排除

本部分提供的信息可用于对配置进行故障排除。

按照标准PPP故障排除步骤。

注意：如果未配置BDI接口，并且PPPoE客户端配置应用在千兆以太网接口上，您将看到PPPoE会话未建立并显示此错误消息。

 padi timer expired 
 Sending PADI: Interface = GigabitEthernet0/0/1

DSL:ASR920上的点对点以太网协议(PPPoE)配置指南

下载选项

非歧视性语言

关于此翻译

目录

简介

先决条件

要求

使用的组件

配置

客户端配置

服务器配置

验证

故障排除

相关信息

由思科工程师提供

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