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Date:      Wed, 06 Sep 2006 11:02:25 -0400
From:      "Eric W. Bates" <ericx_lists@vineyard.net>
To:        Phil Regnauld <regnauld@catpipe.net>
Cc:        freebsd-net@freebsd.org
Subject:   Re: showing esp tunnels in routing table
Message-ID:  <44FEE301.2090008@vineyard.net>
In-Reply-To: <20060906144002.GI30554@catpipe.net>
References:  <44FEDD18.8060506@vineyard.net> <20060906144002.GI30554@catpipe.net>

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Phil Regnauld wrote:
> Eric W. Bates (ericx_lists) writes:
>> When you establish an esp tunnel, the subnets on the remote end of the
>> tunnel do not seem to appear in either "netstat -nr" or 'route get
>> xxx.xxx.xxx.xxx'
>>
>> Is there a way to display those routes other than using setkey to dump
>> the SPD's?
> 
> 	No, because there are no routes.  The IPSec layer "hijacks" the packets
> 	and they are encapsulated before the routing table gets a chance
> 	to see them.
> 
> 	You would have to setup transport ESP + gif/gre tunnels to see routing
> 	entries.

Apparently, openbsd's implementation of netstat allows one to view ESP
'flows' (I believe that is how they refer to them) by examining the
family 'encap'

netstat -rnf encap

We have no such equivalent?

> 	Phil



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