[Openswan Users] problems with natt, i think

Paul Wouters paul at xelerance.com
Thu Oct 11 16:07:40 EDT 2007

On Thu, 11 Oct 2007, antonio wrote:

> hi, I'm try to establish an tunnel between two Linux machines. one is
> directly connect to internet, but the other it's connect behind a
> router. i can establish a connection between the two if the both are
> connect directly to internet.

> Oct 11 10:33:08 marces pluto[21262]: "tunel2" #1: cannot respond to
> IPsec SA request because no connection is known for

You probably did not configure NAT-T properly (See nat_traversal= and
virtual_private= and rightsubnet=vhost: options)


Building and integrating Virtual Private Networks with Openswan:

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