Gentoo Archives: gentoo-user

From: Michael Mol <mikemol@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] VPN vs LAN address hostname resolution
Date: Wed, 22 May 2013 17:52:27
Message-Id: 519D05C9.8000308@gmail.com
In Reply to: Re: [gentoo-user] VPN vs LAN address hostname resolution by Michael Orlitzky
1 On 05/22/2013 01:36 PM, Michael Orlitzky wrote:
2 > On 05/22/13 12:36, Samuraiii wrote:
3 >> Hello,
4 >>
5 >> I am trying to get hostname address resolution on my LAN and VPN with
6 >> one serious problem:
7 >> I have two "networks" eg. 10.1.1.0 and 10.2.2.0 which are representing
8 >> local address space for LAN (10.1.1.0/8) and VPN address space (10.2.2.0/8).
9 > This isn't two networks, it's one network and you've got the VPN space
10 > overlapping the LAN space. To oversimplify a little, Don't Do That.
11 >
12 > Use a separate subnet for the VPN. Then traffic to the VPN will be
13 > routed over the VPN interface as intended, but traffic to the LAN will
14 > be routed over the LAN interface. This is what you want, but right now
15 > the VPN and the LAN are the same network, so "routing to the LAN" is the
16 > same as "routing to the VPN", and your network stack doesn't know what
17 > to do with it.
18 >
19 >
20
21 To be clear, replacing /8 with /24 would do this:
22
23 10.1.1.0/8, as a "network", is really just 10.0.0.0/8. This is also true
24 of 10.2.2.0/8. The bits after the first 8 are irrelevant, since a /8 is
25 being used. Use /24 instead, in this case.
26
27 It would be good for Samuraiii to read up:
28
29 http://www.tcpipguide.com/free/t_IPAddressing.htm

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Replies

Subject Author
Re: [gentoo-user] VPN vs LAN address hostname resolution Samuraiii <samurai.no.dojo@×××××.com>
Re: [gentoo-user] VPN vs LAN address hostname resolution covici@××××××××××.com