From: James Carlson <carlsonj@workingcode.com>
To: linux-ppp@vger.kernel.org
Subject: Re: ppp / open vpn
Date: Wed, 12 Jan 2011 21:26:46 +0000 [thread overview]
Message-ID: <4D2E1C96.9000608@workingcode.com> (raw)
In-Reply-To: <W90767349010091294791641@webmail30>
On 01/12/11 16:17, Jan Just Keijser wrote:
> James Carlson wrote:
>> The whole point of a point-to-point interface (of any type; PPP, tunnel,
>> or otherwise) is that it connects two distinct IP nodes. Distinct. Not
>> one IP node to itself!
>>
>>
> This is another trick of OpenVPN to assign "linear addresses" to clients
> while using a PtP (tun) interface. It is enabled in OpenVPN 2.1 (and
> openvpnas, which is based on 2.1) by using the
> topology subnet
> directive.
That's simply frightening. Thanks for the update; I had no idea anyone
was relying on that sort of undocumented OS feature.
Good luck getting a routing protocol to work reliably with that ...
--
James Carlson 42.703N 71.076W <carlsonj@workingcode.com>
next prev parent reply other threads:[~2011-01-12 21:26 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-12 0:20 ppp / open vpn tony.chamberlain
2011-01-12 14:57 ` James Carlson
2011-01-12 15:17 ` tony.chamberlain
2011-01-12 15:29 ` James Carlson
2011-01-12 21:17 ` Jan Just Keijser
2011-01-12 21:26 ` James Carlson [this message]
2011-01-13 1:47 ` Jan Just Keijser
2011-01-13 12:41 ` tony.chamberlain
2011-01-13 14:02 ` Charlie Brady
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