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VPN connects, but can't ping anything

By ryan.johnston ·
Hi

I have set up a VPN in my office, using a Draytech Vigor 2600 as the Host. I then went home and created a new VPN connection on my XPpro machine. Connected the VPN no problem. Ran IPConfig -all and got shown the IP's on both networks ok. Then tryed to ping the SBS server and got timeouts. Tryed to ping my work PC and the same thing. tryed to ping a bunch of other IP's on the work network and again, same thing. I am connecting through a netgear 6port 10/100 Switch running to the lan port of an Orange Livebox at my home, with DMZ set to my comp. The settings for the VPN are the same as the guy who used to work here, and he can connect fine (he now works for a partnered company). The SBS server is not used for any network delegation what so ever (cause it's crap) and is only used so that the brass can get their email pushed to their HTC mobiles using the Exchange server on it, and a little bit of file hoasting. All the other comps sit on a workgroup.

I am at work just now, so can't get you the IPConfig output just now, but I will post it when I get back.

Also both the office LAN and my home LAN are using 192.168.0.x / 255.255.255.0

what is it that I am missing to be able to access the resources through the VPN??

Thanks in advance
Ryan

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So you only tried to ping?

by jimmy-jam In reply to VPN connects, but can't p ...

Is the fact that you cannot ping your only indication that it is not working? Have you tried to connect to the resources you need? It is possible that your firewall is simply blocking ICMP traffic and you wouldn't be able to ping.

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it's not just ping

by ryan.johnston In reply to So you only tried to ping ...

No, it's not just the ping that fails, we use VNC and it doesn't work, remote desktop on the server does not work, and neither does browsing the shares on the workgroup pc's. seriously, you would think that it was just pretending to be connected >_<

as I said, here is the ipconfig info I get, there are 2 points that I think are an issue, the IP Routing being disabled and the sub mask for the VPN being 255.255.255.255 when the lan subnet at the office is 255.255.255.0

No sure what to do about these though (or even certain that they have anything to do with the problem)


Windows IP Configuration

Host Name . . . . . . . . . . . . : Madness

Primary Dns Suffix . . . . :

Node Type . . . . . . . . . . . . : Unknown

IP Routing Enabled. . . . . . . . : No

WINS Proxy Enabled. . . . . . . . : No


Ethernet adapter Lan to Switch:


Connection-specific DNS Suffix . :

Description . . . . . . . . . . . : VIA Compatable Fast Ethernet Adapter

Physical Address. . . . . . . . . : 00-19-66-45-C6-AC

Dhcp Enabled. . . . . . . . . . . : No

IP Address. . . . . . . . . . : 192.168.0.11

Subnet Mask . . . . . . . . . : 255.255.255.0

Default Gateway . . . . . . . : 192.168.0.1

DNS Servers . . . . . . . . . . : 192.168.0.1


PPP adapter Work:

Connection-specific DNS Suffix . :

Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface

Physical Address. . . . . . . . . : 00-53-45-00-00-00

Dhcp Enabled. . . . . . . . . . . : No

IP Address. . . . . . . . . . . . : 192.168.0.209

Subnet Mask . . . . . . . . . . . : 255.255.255.255

Default Gateway . . . . . . . . . : 192.168.0.209

DNS Servers . . . . . . . . . . . : 192.168.0.150

192.168.0.102

Thanks in advance
Ryan

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Hmmm...

by jimmy-jam In reply to it's not just ping

I don't think it would be the IP routing. I use VPN from home and my IP routing is also set to no. One thing I find peculiar is the subnet on the PPP adapter "255.255.255.255" with that subnet mask you will never see any thing but yourself. Maybe I am missing something but that is where I would start.

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IP Range

by jade.hogg In reply to it's not just ping

Hi buddy

I am no expert in VPN, but I have a very similar setup, remember that if you have the same IP on your local network as on your company network that would cause a problem,

I personally disabled software compression and this seemed to get the conenction working, my working connections all have subnets of 255.255.255.255,

I also ensured that the home networks allowed to access my network set there internal router to a IP address which I reserved within my server, so that there is no chance of IP conflict

like i said, I run many successful VPNS this way and I am definitely not a expert.

but this is just a suggest

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