VPN & DSL

[Pete Davis]

Tricia,

Have you confirmed that your DSL provider does not have a firewall applied to 
your DSL router? In most cases, a default firewall filter on a DSL router will
prevent IPSec from functioning through it. 

There also appears to be cases where DSL providers are performing NAT 
(Network Address Translation) either on the DSL router itself or on their 
whole network (for outgoing traffic). In the case that you are receiving an 
"internal" IP address (ie. Network 10.x) and this translation is being done
on your DSL router, confirm with your provider that the implementation of
NAT on your DSL router supports Pass-Through for IPSec. If they are performing 
NAT on their whole network, it is a whole different story.

Regards,
-pete


On Wed, Sep 08, 1999 at 08:10:53AM -0600, Tricia chase wrote:
> We are setting up a VPN using Novell BorderManager 3.5.  Our
> BorderManager Servers are running NW 5.0.  We are accessing the Internet
> via DSL connection.  We are having trouble with the BorderManagers
> talking thru the DSL.  Can anyone help me?

---
    Pete Davis - Product Manager <pete at ether.net> (508) 541-7300 x154
    Altiga Networks - 124 Grove Street Suite 309   Franklin, MA 02038

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