XP VPN client does not work

XP VPN client does not work

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Subject Author Date
XP VPN client does not work Lasse 07-20-2006
Posted by Lasse on July 20, 2006, 5:47 am
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Hi all you IP gurus,

We are building hotspot here in Denmark with Cisco Access Points and Cisco
routers for the backbone. Now we have some customers which cannot connect to
there VPN server with the XP build in VPN client.

On the routers we have allowed all IP traffic.

So does some have experience with such a problem og and idea on what is
wrong?

Greting from Denak

Lars



Pure Networks
Posted by Simon on July 20, 2006, 1:22 pm
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Lasse wrote:
> Hi all you IP gurus,
>
> We are building hotspot here in Denmark with Cisco Access Points and Cisco
> routers for the backbone. Now we have some customers which cannot connect to
> there VPN server with the XP build in VPN client.
>
> On the routers we have allowed all IP traffic.
>
> So does some have experience with such a problem og and idea on what is
> wrong?
>
> Greting from Denak
>
> Lars
>
>
l2tp/ipsec or pptp (client is the same it depends what their server
needs) what error message are you getting from windows ?
I'm guessing you are natting to the internet, what routers/firewalls do
you have in place along that route out and where does the nat take place ?
simon

Posted by Lars Kalsen on July 21, 2006, 2:39 am
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Hej Simon and others,

Her are some of the configuation of the router (Cisco router) that handles
NAT.

ip nat log translations syslog
ip nat translation timeout 1800
ip nat translation tcp-timeout 1800
ip nat translation udp-timeout 1800
ip nat translation finrst-timeout 1800
ip nat translation dns-timeout 1800
ip nat pool kunder-net 192.234.22.1 192.234.22.249 netmask 255.255.255.0
ip nat inside source list 1 pool kunder-net
access-list 1 permit 162.15.0.0 0.0.255.255

Could someone see something from that - will that configuation allow pptp
and GRE ?.

Lasse



> Lasse wrote:
>> Hi all you IP gurus,
>>
>> We are building hotspot here in Denmark with Cisco Access Points and
>> Cisco routers for the backbone. Now we have some customers which cannot
>> connect to there VPN server with the XP build in VPN client.
>>
>> On the routers we have allowed all IP traffic.
>>
>> So does some have experience with such a problem og and idea on what is
>> wrong?
>>
>> Greting from Denak
>>
>> Lars
> l2tp/ipsec or pptp (client is the same it depends what their server needs)
> what error message are you getting from windows ?
> I'm guessing you are natting to the internet, what routers/firewalls do
> you have in place along that route out and where does the nat take place ?
> simon



Posted by Simon on July 21, 2006, 12:24 pm
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Lars Kalsen wrote:
> Hej Simon and others,
>
> Her are some of the configuation of the router (Cisco router) that handles
> NAT.
>
> ip nat log translations syslog
> ip nat translation timeout 1800
> ip nat translation tcp-timeout 1800
> ip nat translation udp-timeout 1800
> ip nat translation finrst-timeout 1800
> ip nat translation dns-timeout 1800
> ip nat pool kunder-net 192.234.22.1 192.234.22.249 netmask 255.255.255.0
> ip nat inside source list 1 pool kunder-net
> access-list 1 permit 162.15.0.0 0.0.255.255
>
> Could someone see something from that - will that configuation allow pptp
> and GRE ?.
>
> Lasse
>
>
>
>> Lasse wrote:
>>> Hi all you IP gurus,
>>>
>>> We are building hotspot here in Denmark with Cisco Access Points and
>>> Cisco routers for the backbone. Now we have some customers which cannot
>>> connect to there VPN server with the XP build in VPN client.
>>>
>>> On the routers we have allowed all IP traffic.
>>>
>>> So does some have experience with such a problem og and idea on what is
>>> wrong?
>>>
>>> Greting from Denak
>>>
>>> Lars
>> l2tp/ipsec or pptp (client is the same it depends what their server needs)
>> what error message are you getting from windows ?
>> I'm guessing you are natting to the internet, what routers/firewalls do
>> you have in place along that route out and where does the nat take place ?
>> simon
>
>
Hi Lars,
There's nothing there I can see that could cause the problem with pptp.
My next thing to look at would be to cisco to see if the code on the
router can nat pptp correctly, or needs an upgrade/fix.
Simon

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