- Can't VPN using Netgear DG834G
- Posted by Peter Harding on November 4th, 2004
Hi,
I'm trying to connect to my business network from home using a Zen
ADSL line with a Netgear DG834G wireless router/firewall.
I've set up a VPN connection and can login OK with a user name and
password. Using ipconfig I can see that I've been allocated an IP
address within my business network but I can't pick up email or telnet
onto any servers.
I believe that the Netgear router is blocking the return traffic, how
do I configure it to allow this VPN connection?
My WinXP SP2 firewall is switched on, but switching it off makes no
difference.
Many thanks,
Pete.
- Posted by Sneaky_russian on November 4th, 2004
im not too sure on VPNs but what if you create a rule on the netgear
firewall to allow all incoming traffic to your IP address or create a DMZ
and then you know whether it is your firewall blocking the return requests
Just a thought
Im sure someone has a better answer but thats what i would do
"Peter Harding" <peterharding@yahoo.com> wrote in message
news:bf403c5e.0411040848.226f386d@posting.google.c om...
- Posted by Jake P on November 4th, 2004
On 4 Nov 2004 08:48:15 -0800, peterharding@yahoo.com (Peter Harding)
wrote:
Try a smaller MTU.
Used to have this problem at the last place I worked. The tunnel
would establish, etc., but data wouldn't flow. Turned out that the
MTU plus the tunnel protocol overheads = fragmented packets, and the
firewall was dropping them.
I can't remember the exact details though, and can't suggest an MTU
size.
Jake
- Posted by Mike R on November 4th, 2004
"Jake P" <jake@!!!nospam!!!.jake.org.uk> wrote in message
news:09rko0p9t1lrdqna2c06np2kd5jto18t55@4ax.com...
Do you have another VPN running on another PC? I could not get 2 VPN
sessions running, apparantly a fault with the 834G in general
- Posted by Jake P on November 4th, 2004
On Thu, 4 Nov 2004 19:28:03 -0000, "Mike R"
<mike@mikeread.freeserve.co.uk> wrote:
If the remote end assigned the IP details via DHCP then that proves
the tunnel's been established successfully, so I doubt it would be
that.
I was under the impression that the 834s only support single VPN
tunnel passthrough. If you need more than one session or more than
one tunnel then you need a hardware gateway, such as an FVL328.
Jake
- Posted by ron on November 4th, 2004
"Peter Harding" <peterharding@yahoo.com> wrote in message
news:bf403c5e.0411040848.226f386d@posting.google.c om...
DNS maybe? does other users work ok when they VPN in? are you using IPsec or
PPTP? I find PPTP much easier to setup and use.
Can you ping a server on your network, try pinging the actuall hostname of
your exchange server, ie ping server01, if you get a reply you know all is
ok, if you only get a reply when you ping the servers internal ip
address<10.0.0.x etc> then you know its a dns issue and the DHCP may not be
assigning the right config.
There is known problem with VPN and XP and it involves DUN but I cant for
the life of me remember what it is, I will try and remember it 
Ronny
- Posted by Filthy Rich on November 5th, 2004
On 4 Nov 2004 08:48:15 -0800, peterharding@yahoo.com (Peter Harding)
wrote:
Sorry not to be much help but I vpn to our company with a DG834G and
didn't have to change any settings at all. It just worked....
Filthy Rich
Music House
- Posted by RobS on November 6th, 2004
"Peter Harding" <peterharding@yahoo.com> wrote in message
news:bf403c5e.0411040848.226f386d@posting.google.c om...
Hi Pete,
SP2 has a known problem with VPN's. I use a VPN connection and a DG834G so I
don't believe that it is responsible for your problem.
have a look at....
http://support.microsoft.com/default...b;en-us;884020
Download the patch and install it.
Regards,
Rob.
- Posted by Mike R on November 7th, 2004
"Jake P" <jake@!!!nospam!!!.jake.org.uk> wrote in message
news:4q7lo093je0rj54ulgc1h4t6gc67535rgq@4ax.com...
It more likely to be my misunderstanding of the problem - sorry
