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                          <DIV><FONT size=2>hello!</FONT></DIV>
                          <DIV><FONT size=2></FONT>&nbsp;</DIV>
                          <DIV><FONT size=2></FONT>&nbsp;</DIV>
                          <DIV><FONT size=2>i have a l2tp problem about juniper 
                          erx and cisco 7401.</FONT></DIV>
                          <DIV><FONT size=2></FONT>&nbsp;</DIV>
                          <DIV><FONT size=2></FONT>&nbsp;</DIV>
                          <DIV><FONT 
                          size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;radius</FONT></DIV>
                          <DIV><FONT 
                          size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                          |</FONT></DIV>
                          <DIV><FONT 
                          size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                          &nbsp;|</FONT></DIV>
                          <DIV><FONT size=2>pppoe 
                          client----LAC(erx)----LNS(cisco7401)</FONT></DIV>
                          <DIV><FONT size=2></FONT>&nbsp;</DIV>
                          <DIV><FONT size=2>only CISCO7401&nbsp;configure 
                          command terminate-from hostname LAC,the tunnel 
                          created¡£</FONT></DIV>
                          <DIV><FONT size=2>if&nbsp;have&nbsp;multi lac&nbsp;to 
                          LNS£¿this is&nbsp;a&nbsp;problem.scalability is very 
                          bad¡£</FONT></DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>ERX use default configuration.no any specific 
                          configuration.</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>CISCO configuration example</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>vpdn-group 
                          zju.com!ZJ<BR>&nbsp;accept-dialin<BR>&nbsp; protocol 
                          l2tp<BR>&nbsp; virtual-template 2<BR>&nbsp;lcp 
                          renegotiation always<BR>&nbsp;no l2tp tunnel 
                          authentication<BR>&nbsp;l2tp tunnel password 0 
                          cisco<BR>&nbsp;ip precedence immediate</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>the configuration result in the tunnelcan't 
                          created.if use </DIV>
                          <DIV>vpdn-group 
                          zju.com!ZJ<BR>&nbsp;accept-dialin<BR>&nbsp; protocol 
                          l2tp<BR>&nbsp; virtual-template 
                          2<BR>&nbsp;terminate-from 
                          hostname&nbsp;HZCNC-100-BRAS-01<BR>&nbsp;lcp 
                          renegotiation always<BR>&nbsp;no l2tp tunnel 
                          authentication<BR>&nbsp;l2tp tunnel password 0 
                          cisco<BR>&nbsp;ip precedence immediate</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>the tunnel can created.</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>debug information</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>ERX</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>DEBUG 01/09/2007 00:46:02 [l2tp] l2tp (): 
                          Authenticate configuration data: tag<BR>= 0, type = 1, 
                          transport = ipUdp, routerId = Router 0x80000001, 
                          address =<BR>58.100.228.66, tName = default, tSecret = 
                          , tLocalHostName = HZCNC-100-BRAS-01,<BR>tPeerHostName 
                          = HZCNC-88-BRAS-02, tLocalAddress = 
                          58.100.228.16<BR>DEBUG 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): Update IP transport config:<BR>local 
                          address = 58.100.228.16, remote address = 
                          58.100.228.66<BR>DEBUG 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): AVP Header: type = message,<BR>length = 
                          8, flags = M ~H<BR>DEBUG 01/09/2007 00:46:02 [l2tp] 
                          l2tp (1400000A,*): AVP Header: type 
                          =<BR>protocolVersion, length = 8, flags = M 
                          ~H<BR>DEBUG 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): AVP Header: type =<BR>hostName, length = 
                          23, flags = M ~H<BR>DEBUG 01/09/2007 00:46:02 [l2tp] 
                          l2tp (1400000A,*): AVP Header: type 
                          =<BR>framingCapabilities, length = 10, flags = M 
                          ~H<BR>DEBUG 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): AVP Header: type =<BR>assignedTunnelId, 
                          length = 8, flags = M ~H<BR>DEBUG 01/09/2007 00:46:02 
                          [l2tp] l2tp (1400000A,*): AVP Header: type 
                          =<BR>receiveWindowSize, length = 8, flags = M 
                          ~H<BR>DEBUG 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): AVP Header: type =<BR>firmwareRevision, 
                          length = 8, flags = ~M ~H<BR>DEBUG 01/09/2007 00:46:02 
                          [l2tp] l2tp (1400000A,*): AVP Header: type 
                          =<BR>vendorName, length = 28, flags = ~M ~H<BR>NOTICE 
                          01/09/2007 00:46:02 [l2tp] l2tp (1400000A,*): Changing 
                          mibState from<BR>idle to connecting<BR>NOTICE 
                          01/09/2007 00:46:02 [l2tp] l2tp (15000024,*): Changing 
                          effective<BR>adminState from disabled to 
                          enabled<BR>INFO 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): Processing incoming<BR>in-sequence sccrp 
                          from vr default, remote address 58.100.228.66 
                          -<BR>controlHeader.Ns = 0<BR>DEBUG 01/09/2007 00:46:02 
                          [l2tp] l2tp (1400000A,*): AVP Header: type = 
                          message,<BR>length = 8, flags = M ~H<BR>DEBUG 
                          01/09/2007 00:46:02 [l2tp] l2tp (1400000A,*): AVP 
                          Header: type =<BR>protocolVersion, length = 8, flags = 
                          M ~H<BR>DEBUG 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): AVP Header: type =<BR>firmwareRevision, 
                          length = 8, flags = ~M ~H<BR>DEBUG 01/09/2007 00:46:02 
                          [l2tp] l2tp (1400000A,*): AVP Header: type 
                          =<BR>hostName, length = 22, flags = M ~H<BR>DEBUG 
                          01/09/2007 00:46:02 [l2tp] l2tp (1400000A,*): AVP 
                          Header: type =<BR>vendorName, length = 25, flags = ~M 
                          ~H<BR>DEBUG 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): AVP Header: type =<BR>receiveWindowSize, 
                          length = 8, flags = M ~H<BR>DEBUG 01/09/2007 00:46:02 
                          [l2tp] l2tp (1400000A,*): AVP Header: type 
                          =<BR>challenge, length = 22, flags = M ~H<BR>DEBUG 
                          01/09/2007 00:46:02 [l2tp] l2tp (1400000A,*): AVP 
                          Header: type =<BR>assignedTunnelId, length = 8, flags 
                          = M ~H<BR>DEBUG 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): AVP Header: type 
                          =<BR>framingCapabilities, length = 10, flags = M 
                          ~H<BR>DEBUG 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): AVP Header: type 
                          =<BR>bearerCapabilities, length = 10, flags = M 
                          ~H<BR>ERROR 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): Configuration error<BR>processing 
                          incoming sccrp from vr default, remote address 
                          58.100.228.66 -<BR>challenge with no local 
                          secret<BR>DEBUG 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): AVP Header: type = message,<BR>length = 
                          8, flags = M ~H<BR>DEBUG 01/09/2007 00:46:02 [l2tp] 
                          l2tp (1400000A,*): AVP Header: type 
                          =<BR>assignedTunnelId, length = 8, flags = M 
                          ~H<BR>DEBUG 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): AVP Header: type =<BR>resultCode, length 
                          = 34, flags = M ~H<BR>NOTICE 01/09/2007 00:46:02 
                          [l2tp] l2tp (): No more configuration 
                          records<BR>NOTICE 01/09/2007 00:46:02 [l2tp] l2tp 
                          (1400000A,*): Changing mibState from<BR>connecting to 
                          disconnecting</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>CISCO:</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>an&nbsp; 9 00:31:51:&nbsp; Tnl 51399 L2TP: 
                          Control channel retransmit delay set to 1 
                          seconds<BR>*Jan&nbsp; 9 00:31:51:&nbsp; Tnl 51399 
                          L2TP: Tunnel state change from idle to 
                          wait-ctl-reply<BR>*Jan&nbsp; 9 00:31:51:&nbsp; Tnl 
                          51399 L2TP: Parse&nbsp; AVP 0, len 8, flag 0x8000 
                          (M)<BR>*Jan&nbsp; 9 00:31:51:&nbsp; Tnl 51399 L2TP: 
                          Parse StopCCN<BR>*Jan&nbsp; 9 00:31:51:&nbsp; Tnl 
                          51399 L2TP: Parse&nbsp; AVP 9, len 8, flag 0x8000 
                          (M)<BR>*Jan&nbsp; 9 00:31:51:&nbsp; Tnl 51399 L2TP: 
                          Assigned Tunnel ID 35<BR>*Jan&nbsp; 9 00:31:51:&nbsp; 
                          Tnl 51399 L2TP: Parse&nbsp; AVP 1, len 34, flag 0x8000 
                          (M)<BR>*Jan&nbsp; 9 00:31:51: L2X: Result code(2): 2: 
                          General error - refer to error code<BR>*Jan&nbsp; 9 
                          00:31:51:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Error code(6): 
                          Vendor specific<BR>*Jan&nbsp; 9 
                          00:31:51:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Optional msg: 
                          challenge with no secret<BR>*Jan&nbsp; 9 
                          00:31:51:&nbsp; Tnl 51399 L2TP: No missing AVPs in 
                          StopCCN<BR>*Jan&nbsp; 9 00:31:51:&nbsp; Tnl 51399 
                          L2TP: I StopCCN, flg TLS, ver 2, len 62, tnl 51399, ns 
                          1, nr 1<BR>contiguous pak, size 
                          62<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                          C8 02 00 3E C8 C7 00 00 00 01 00 01 80 08 00 
                          00<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                          00 00 00 04 80 08 00 00 00 09 00 23 80 22 00 
                          00<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                          00 01 00 02 00 06 63 68 61 6C 6C 65 6E 67 65 
                          20<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                          77 69 74 68 20 6E 6F 20 73 65 63 72 65 
                          74<BR>*Jan&nbsp; 9 00:31:51:&nbsp; Tnl 51399 L2TP: O 
                          ZLB ctrl ack, flg TLS, ver 2, len 12, tnl 35, ns 1, nr 
                          2<BR></DIV>
                          <DIV>problem 
                          <DIV><FONT size=2>if&nbsp;have&nbsp;multi lac&nbsp;to 
                          LNS£¿this is&nbsp;a&nbsp;problem.scalability is very 
                          bad¡£ I have multi ERX AS LAC,how 
do?</FONT></DIV></DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>CAN any body help me ?</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV>&nbsp;</DIV>
                          <DIV><FONT size=2></FONT>&nbsp;</DIV>
                          <DIV><FONT size=2></FONT>&nbsp;</DIV>
                          <DIV><FONT 
                          size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
                          </FONT></DIV>
                          <DIV><FONT 
                          size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></DIV>
                          <DIV><FONT size=2></FONT>&nbsp;</DIV>
                          <DIV><FONT size=2></FONT>&nbsp;</DIV>
                          <DIV><FONT size=2></FONT>&nbsp;</DIV>
                          <DIV><FONT face=ËÎÌå><FONT face=ËÎÌå>&nbsp;</DIV>
                          <DIV>
                          <DIV><STRONG></STRONG><BR><FONT 
                          size=2>¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡&nbsp; 
                          ¡¡&nbsp;&nbsp;&nbsp;</FONT></FONT></DIV>
                          <DIV><FONT 
                          size=2>¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡</FONT></FONT></DIV></DIV></TD></TR></TBODY></TABLE></FONT></TD>
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                width=100><BR><BR><BR></TD></TR></TBODY></TABLE></DIV></DIV></TD></TR></TBODY></TABLE></DIV></FONT></BLOCKQUOTE></TD></TR></TBODY></TABLE><BR><BR>= 
= = = = = = = = = = = = = = = = = = =</FONT> </FONT></DIV>
<DIV>
<DIV><FONT size=2>¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ÖÂ<BR>Àñ£¡</FONT> 
<DIV><FONT face=ËÎÌå size=2>
<DIV><FONT 
size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
zxd<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
<A href="mailto:zxd@chinahcn.com">zxd@chinahcn.com</A></FONT></DIV>
<DIV><FONT 
size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2007-01-09</FONT></DIV>¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡</FONT></DIV></DIV></DIV></DIV></DIV></BODY></HTML>