[pptp-server] Unsupported protocol (0xxxx ) received

[Nate Carlson]

Have you installed the dun40.exe patch for Win98? That might fix it.

-- 
Nate Carlson <carlson at real-time.com>    | Phone : (612)943-8700
http://www.real-time.com                | Fax   : (612)943-8500

On Wed, 2 Feb 2000, Sergio Dominguez wrote:

> Hello fellow listers:
> 
>  I have setup a PPTP server, it has a public IP address configured:
> A.B.C.2, and
> a private IP address: 172.23.1.1 also ( it's connected to the 172.23.1.0
> network).
> 
>   From a windows 98 workstation, I have successfully stablished a VPN
> link
> across internet, but I can not access the private network.
> 
>   If  I make a
>   C:\WINDOWS\PING 172.23.1.1
>   I receive no response in the client.
> 
>  Looking at the pptpd.log file, the following messages are displayed
> everytime
> I do a ping:
> 
>  Feb  2 12:36:24 vpn pppd[6266]: rcvd [proto=0x8072] a1 7a 2f 68 bb 27
> 97 08 a7 25 14 39 23 5d 17 87 4e 68 38 3f f6 cb b7 30 fc 47 64 ef 38 8f
> f3 5b ...
> 
> Feb  2 12:36:24 vpn pppd[6266]: Unsupported protocol (0x8072) received
> 
> Feb  2 12:36:24 vpn pppd[6266]: sent [LCP ProtRej id=0x21 80 72 a1 7a 2f
> 68 bb 27 97 08 a7 25 14 39 23 5d 17 87 4e 68 38 3f f6 cb b7 30 fc 47 64
> ef 38 8f f3 5b 82 c0 87 4a f6 f6 c5 8f 5a 49 26 77 66 84 19 dd 73 c4 38
> 0b 91 63 fb d2 4b 74 75 1f]
> 
> 
> Extra info:
> 
>  My pptpd.conf file is:
> 
> speed 115200
> localip 172.23.1.50-149
> remoteip 172.23.1.150-249
> 
>  In the process list I can se the following:
> 6265 ?        S      0:00 pptpd
> [internet_address_of_windows_client_machine]
> 6266 ?        S      0:00 /usr/sbin/pppd local 115200
> 172.23.1.51:172.23.1.151
> 
> Routing table at the server side:
> 
> [root at vpn log]# route
> Kernel IP routing table
> Destination         Gateway              Genmask         Flags Metric
> Ref    Use Iface
> 172.23.1.151          *              255.255.255.255  UH    0
> 0         0  ppp0
> A.B.C.2                  *               255.255.255.255  UH    0
> 0         0  eth0
> A.B.C.0                  *               255.255.255.224  U       0
> 0         0  eth0
> 172.23.1.0              *               255.255.255.0      U
> 0      0         0  eth0
> 127.0.0.0                *               255.0.0.0              U
> 0      0         0  lo
> default             A.B.C.1           0.0.0.0                  UG
> 0      0         0  eth0
> 
> Any help will be highly apreciatted.
>