Brent Clark wrote:
Hi
For the likes of me I cant get my mind around this.
I got two DSL (two separate ISP's) lines that I use multipath routing
on (works like a bomb, i.e. from in the LAN out to internet). But what
I want to do is have it that I can randomly connect to my openvpn
(sits and configured on my router / fw), via either ISP.
Basically in the openvpn conf file I would like to have
remote-random
remote oneisp.dyndns.org (fixed ip)
remote anotherisp.dyndns.org (dynamic ip)
Currently I have openvpn working through the one ISP (fixed ip).
For my tests I have being trying :
iptables -t filter -A INPUT -p udp --dport 1194 -m state --state NEW
-j ACCEPT
For output (please bare with me on this)
iptables -t filter -A OUTPUT -m state --state NEW -j ACCEPT
For marking I have been trying and trying to get traffic out the
dynamic ISP.
iptables -t mangle -A OUTPUT -p udp --sport 1194 -j MARK --set-mark 0x1
iptables -t mangle -A POSTROUTING -p udp --sport 1194 -j MARK
--set-mark 0x1
The stranges thing that I saw was that on using the last two of the
above rules, is that with using tshark, that i was seeing that ip
address of my primary interface (fixed ip address), as opposed to that
of the dynamic ip.
If anyone can help it would be appreciate.
Kind Regards
Brent Clark
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We have 2 sites with dual wans.
see below, i just forced a connection via both our main office wan
ports. I can also connect to openvpn on one wan port, and fetch imap via
the other, without any routing problem being generated on the dual wan box
you need to have a complete marking ruleset or you wont get anywhere.
http://versa.net.au/index.php?option=com_content&task=view&id=21&Itemid=34
shows the script I use to do the dual wanning.
Wed Sep 24 06:45:21 2008 TCP connection established with 203.217.21.110:1194
Wed Sep 24 06:45:21 2008 TCPv4_CLIENT link local: [undef]
Wed Sep 24 06:45:21 2008 TCPv4_CLIENT link remote: 203.217.21.110:1194
Wed Sep 24 06:45:21 2008 TLS: Initial packet from 203.217.21.110:1194,
sid=248cd7dd e8778469
Wed Sep 24 06:45:22 2008 VERIFY OK: depth=1,
/C=AU/ST=NSW/L=Botany/O=Standard_Knitting/CN=mail.standarduniversal.com.au/emailAddress=brian@xxxxxxxxxxxxxxxxxxxxxxxx
Wed Sep 24 06:45:22 2008 VERIFY OK: depth=0,
/C=AU/ST=NSW/O=Standard_Knitting/CN=mail.standarduniversal.com.au/emailAddress=brian@xxxxxxxxxxxxxxxxxxxxxxxx
Wed Sep 24 06:47:13 2008 TCPv4_CLIENT link remote: 60.242.191.129:1194
Wed Sep 24 06:47:13 2008 TLS: Initial packet from 60.242.191.129:1194,
sid=b15cfe0f fd1aa673
Wed Sep 24 06:47:14 2008 VERIFY OK: depth=1,
/C=AU/ST=NSW/L=Botany/O=Standard_Knitting/CN=mail.standarduniversal.com.au/emailAddress=brian@xxxxxxxxxxxxxxxxxxxxxxxx
Wed Sep 24 06:47:14 2008 VERIFY OK: depth=0,
/C=AU/ST=NSW/O=Standard_Knitting/CN=mail.standarduniversal.com.au/emailAddress=brian@xxxxxxxxxxxxxxxxxxxxxxxx
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