Sipura-2100 & VPN Tunnels

Sipura-2100 & VPN Tunnels

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Subject Author Date
Sipura-2100 & VPN Tunnels Mike Schumann 01-28-2005
Posted by Mike Schumann on January 28, 2005, 1:43 am
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Today I tried installing my new SPA-2100 VOIP Router (Firmware Ver 2.0.5a)
between my DSL Modem/Router and my Linksys BEFSX41 VPN Endpoint Router.

The SPA-2100 is configured with the DMZ passing all incoming traffic to the
Linksys router (the DSL Modem/Router is similarly passing all incoming
traffic to the SPA-2100).

While it looks like the tunnel to my remote location (a Linksys BEFVP41) is
being established, no ping traffic is going thru the tunnel. The tunnel
works fine if the SPA-2100 is not in the picture.

The SPA-2100 does not have any settings for IPSEC or PPTP pass thru. Has
anyone had any success getting VPN traffic to flow thru this router?

Thanks,
--
Mike Schumann




Posted by Mike Schumann on February 1, 2005, 3:44 am
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Another BIG problem with this unit. If I have a Windows XP workstation
behind this router, and try to connect a PPTP VPN tunnel to a Windows 2003
Server, the NAT in the router locks up, and you can't ping thru the router
towards any destinations on the internet. Rebooting the router fixes the
problem.

This is 100% repeatable.

Mike Schumann

> Today I tried installing my new SPA-2100 VOIP Router (Firmware Ver 2.0.5a)
> between my DSL Modem/Router and my Linksys BEFSX41 VPN Endpoint Router.
>
> The SPA-2100 is configured with the DMZ passing all incoming traffic to
> the Linksys router (the DSL Modem/Router is similarly passing all incoming
> traffic to the SPA-2100).
>
> While it looks like the tunnel to my remote location (a Linksys BEFVP41)
> is being established, no ping traffic is going thru the tunnel. The
> tunnel works fine if the SPA-2100 is not in the picture.
>
> The SPA-2100 does not have any settings for IPSEC or PPTP pass thru. Has
> anyone had any success getting VPN traffic to flow thru this router?
>
> Thanks,
> --
> Mike Schumann
>





other useful resources:
The Federal Communications Commission (FCC)
Telecommunications Industry Association
Electronic and Software Security Products and Services
International Telecommunication Union

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