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思科路由器設(shè)置VPDN的方法

時間:2024-08-10 12:50:03 思科認證 我要投稿
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思科路由器設(shè)置VPDN的方法

  CCNA 重新認證:CCNA認證證書的時效性是三年。要重新更新證書,必須通過CCNA的考試(如果通過的下一階段CCNP的考試,CCNA認證證書會被自動更新)下面是小編整理的關(guān)于思科路由器設(shè)置VPDN的方法,歡迎大家參考!

  1 啟用aaa new-model

  aaa new-model

  2、建立認證方式

  aaa authentication ppp mytest local (這里為本地認證)

  3、啟用VPDN

  vpdn enable

  4、建立VPDN組

  vpdn-group mytest

  ! Default L2TP VPDN group

  accept-dialin

  protocol l2tp

  virtual-template 1

  local name mytest-name

  lcp renegotiation always //注意非常重要,否則LCP不會自協(xié)商,那么路由器的MTU值一定要和對方LAC發(fā)過來的要匹配,否則LCP失敗

  l2tp tunnel password 7 00090A1201481F

  source-ip x.x.x.x

  5、建立IP 本地POOL

  ip local pool mytest-01 172.23.1.2 172.23.1.254

  6、配置虛模板

  interface Virtual-Template1

  ip address 172.23.1.1 255.255.255.0

  peer default ip address pool mytest-01

  ppp authentication pap mytest

  5200g

  domain qh.org

  authentication-scheme vpdn_none

  accounting-scheme vpdn_none

  l2tp-group qh.org

  l2tp-group qh.org

  tunnel password simple mytest

  tunnel name mytest

  start l2tp ip x.x.x.x

  tunnel source LoopBack0

  附:L2TP協(xié)議結(jié)構(gòu)

  1、IP包頭 20字節(jié)

  2、UDP報頭 8字節(jié)

  3、L2TP報頭 12字節(jié):包括:

  1)the version and flag fields (2 bytes)

  2)the tunnel id and session id fields (2 bytes each)

  3)2 bytes of padding offset

  4)4 bytes of Point-to-Point Protocol (PPP) encapsulation

  //以下是沒有啟用LCP自協(xié)商的DEBUG 連接失敗

  Jul 25 00:03:48.084: Vi1 VPDN: Virtual interface created for qh@qh.org

  Jul 25 00:03:48.084: Vi1 PPP: Phase is DOWN, Setup

  Jul 25 00:03:48.084: Vi1 VPDN: Clone from Vtemplate 1 filterPPP=0 blocking

  Jul 25 00:03:48.204: %LINK-3-UPDOWN: Interface Virtual-Access1, changed state to up

  Jul 25 00:03:48.204: Vi1 PPP: Using set call direction

  Jul 25 00:03:48.204: Vi1 PPP: Treating connection as a callin

  Jul 25 00:03:48.204: Vi1 PPP: Phase is ESTABLISHING, Passive Open

  Jul 25 00:03:48.204: Vi1 LCP: State is Listen

  Jul 25 00:03:48.204: Vi1 VPDN: Bind interface direction=2

  Jul 25 00:03:48.204: Vi1 LCP: I FORCED CONFREQ len 14

  Jul 25 00:03:48.204: Vi1 LCP: MRU 1492 (0x010405D4)

  Jul 25 00:03:48.204: Vi1 LCP: AuthProto PAP (0x0304C023)

  Jul 25 00:03:48.204: Vi1 LCP: MagicNumber 0x01022143 (0x050601022143)

  Jul 25 00:03:48.204: Vi1 VPDN: PPP LCP accepted rcv CONFACK

  Jul 25 00:03:48.204: Vi1 LCP: I FORCED CONFACK len 10

  Jul 25 00:03:48.204: Vi1 LCP: MRU 1480 (0x010405C8)

  Jul 25 00:03:48.204: Vi1 LCP: MagicNumber 0x082D5DCE (0x0506082D5DCE)

  Jul 25 00:03:48.204: Vi1 VPDN: PPP LCP not accepting sent CONFACK

  Jul 25 00:03:48.204: Vi1 VPDN: Unbind interface

  Jul 25 00:03:48.296: Vi1 PPP: No remote authentication for call-in

  Jul 25 00:03:48.560: Vi1 PPP: Missed link down notification

  Jul 25 00:03:48.560: Vi1 LCP: State is Closed

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