no VPN over DSL/PPPoE

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Hi:
I've installed SonicWall VPN Client on a laptop which can then
successfully connect to the office's server if I'm connected to the
Internet with Comcast Cable.  However if I am at another site where the
access if DSL DSL (with PPPoE) the connection is refused. The DSL modem
is connected directly to the laptop; no router.  I read elsewhere that
a router is required to negotiate between the sonicWall and PPPoE
protocols--?  Any other suggestions?
--RA



Re: no VPN over DSL/PPPoE
:I've installed SonicWall VPN Client on a laptop which can then
:successfully connect to the office's server if I'm connected to the
:Internet with Comcast Cable.  However if I am at another site where the
:access if DSL DSL (with PPPoE) the connection is refused. The DSL modem
:is connected directly to the laptop; no router.  I read elsewhere that
:a router is required to negotiate between the sonicWall and PPPoE
:protocols--?  Any other suggestions?

Which VPN protocol are you using?

If you happen to be using PPTP, then there is a potential
difficulty because PPPoE and the PPTP GRE packets both use forms of PPP.

I haven't figured out yet why this is a problem (i.e., why doesn't
the GRE just get encapsulated at the DSL level). I also don't know
whether it is a problem for SonicWall: I'm thinking of the
Cisco PIX reference material.
--
   'The short version of what Walter said is "You have asked a question
   which has no useful answer, please reconsider the nature of the
   problem you wish to solve".'              -- Tony Mantler


Re: no VPN over DSL/PPPoE
Hmm: VPN protocol: is that SafeNet SoftRemote?  That's what I see when I
right-click on the SonicWall VPN Client icon in the icon tray.
--RA
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Re: no VPN over DSL/PPPoE

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SoftRemote is Safenet's IPSec client.

So the protocol is IPSec.

Your problem is probably related to NAT on the way (Softremote
supports NAT-Traversal, but I don't know if the sonicwall supports it)
if you have problems at negociation time, and may be just related to
MTU problems if some traffic goes trough the tunnel and if you just
have problem with big IP datagrams....


Yvan.


Re: no VPN over DSL/PPPoE

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   Spend a little more money and upgrade to a tier
of DSL service that does not require PPPoE




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