Cisco VPN Netgear RT314 Securing Communication Channel 1

[UncRemus]

My Windows 2K laptop is connected to my Netgear RT314 router and it can't connect to my Company's VPN. It allows me to login but the Cisco VPN Client software stops at Securing Communication Channel and after a while pops up the login again. I can connect directly from my DSL Modem using the PPOE software. So I know VPN works but I don't like switching wires around every time I need to connect to VPN. Any detailed help is appreciated.

 

[onepair]

Look for enable/disable PPTP and IPSEC. Otherwise I built a linux firewall/router to deal with my VPN woes.

 

[UncRemus]

Thanks, But is there something I can do on the client side? Do you think changing the router will fix this problem?

 

[dopehead]

Sounds like your VPN is running legacy IPSEC on ESP or AH, which some routers don't like. You should check to see if your client/server supports udp/tcp encapsulation of the vpn, maybe even NAT-T.

Jan

 

[UncRemus]

Jan, That's probably the case. I borrowed a friend's Netgear RP-614 and I still had the same problem. Both routers are really just DSL and Cable gateway routers. I was wondering if I bought a router with VPN pass thru do you think this will work? On the RP-614 I put the laptop in the DMZ and it still failed. I've also tried opening all ports and still the same issue.

 

[dopehead]

It would be the same, as long as your IPSEC connection is initiated on Protocol 50 or 51 and UDP 500, the router could potentially have an issue with it. But it is worth a try if the router has a "vpn-passthrough" feature. But you should really look into the client and the concentrator setup, and get NAT-T (4500 UDP) or UDP Encapsulation enabled (default 10000 UDP)

Jan

 

[Serbtastic]

I too have had problems with VPN access using my Netgear RT314. I used to use Checkpoint SecureRemote client to log into the corporate VPN, and always was unable to do so because the client was set to use Checkpoint's proprietary FWZ protocol (which is not NAT friendly). They decommisioned the Checkpoint VPN, and put in a Netscreen. Now, I use Netscreen remote vpn client, and it works without a problem through my RT314.

 

[mercruiser2]

Hi all,

I'm from Germany and no master chief of CPU's, but I had exact the same issue with my Netgear RP614!

Solution: go to Network properties and enable DIMESTIC NETWORK ENHANCER.
Just quit with "yes" - and join the club with VPN

BR
mercruiser2

 

[UncRemus]

Thanks mercruiser2 that was it. I just had to check Domestic Network Enhancer in the Network properties section. It works!!!