[Openl2tp-users] LNS configuration sample

James Chapman jchapman at katalix.com
Thu Oct 30 09:23:27 GMT 2008


Wang Wei wrote:
> thanks for help. 
> while as I try "netsat -lun", I get the 1701 port is opened.  passing
> and I had stop the firewall all the times.                             passing
> connecting the openvpn using a windows machine             failed      ---  I get no answeer from the openvpn machine at all.

Presumably you meant openl2tp, not openvpn above?

> No.     Time        Source                Destination           Protocol Info
>      11 8.360944    202.207.210.18        202.207.210.196       L2TP     Control Message - SCCRQ    (tunnel id=0, session id=0)
>      12 9.359051    202.207.210.18        202.207.210.196       L2TP     Control Message - SCCRQ    (tunnel id=0, session id=0)
>      13 11.361922   202.207.210.18        202.207.210.196       L2TP     Control Message - SCCRQ    (tunnel id=0, session id=0)
>      14 15.367674   202.207.210.18        202.207.210.196       L2TP     Control Message - SCCRQ    (tunnel id=0, session id=0)

Is the above log captured at your LNS or on the windows client?

If you're using Windows, have you disabled Windows IPSec? (I assume
you're not using IPSec on the LNS.)

> is there any wrong here? thanks.

Is there anything in the syslogs of the LNS?

Please run the following commands and send the output.

l2tpconfig system show config

l2tpconfig system show statistics

/james

>   
> ----- Original Message ----- 
> From: "James Chapman" <jchapman at katalix.com>
> To: "Wang Wei" <wgwi at sxu.edu.cn>
> Cc: <openl2tp-users at lists.sourceforge.net>
> Sent: Thursday, October 30, 2008 1:36 AM
> Subject: Re: LNS configuration sample
> 
> 
>> Hi,
>>
>> Welcome to the openl2tp list!
>>
>> Wang Wei wrote:
>>> Hi, I've compile the openl2tp v1.6 and pass the test in the INSTALL
>>> document. but when I try to connect my openl2tp server from other
>>> computers, there is not any response at all. I try to use "netstat
>>> -n|grep 1701", I find nothing matched. I just use the sample in
>>> quick_start.html, could anyone show me a working LNS configuration? thanks.
>> Use netstat -lun   (letter l, not number 1)
>>
>> Do you have a firewall in the network?
>>
>> Use wireshark to get a packet log of inbound packets. Look for L2TP
>> packets in the log.
>>
>> -- 
>> James Chapman
>> Katalix Systems Ltd
>> http://www.katalix.com
>> Catalysts for your Embedded Linux software development
>>
>>


-- 
James Chapman
Katalix Systems Ltd
http://www.katalix.com
Catalysts for your Embedded Linux software development





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