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Dr.Drake
n00b
Joined: 13 Jun 2013
Posts: 2
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 Posted: Thu Jun 13, 2013 5:52 am Post subject: [Solved] Dual WAN and routing |
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Greetings!
I've been struggling with my routing for couple of days and I haven't been able to find a solution on my own... so I thought maybe someone here could give me a hand.
I have two internet connections, one is low latency and low bandwidth (WAN1) and another is high latency and high bandwidth (WAN2). And then there is LAN too. I have basics set up, and everything gets routed from LAN via WAN1 smooth and nicely. I wish I could route all traffic that goes through Squid proxy through the high bandwidth route, but I haven't really been able to get this work. I've set tcp_outgoing_address in squid to 192.168.2.2 and netstat says it really is the origin of the proxys outgoing traffic. However it gets routed through the WAN1 also. I've tried to create route from 192.16.8.2.2 via 192.16.8.2.1 gateway by using
| Code: | | ip route add 192.168.2.1 dev eth1 src 192.168.2.2 |
Obviously this doesn't work 
My network structure is like this:
WAN1 <-- eth0 ---> Router <-- eth1 ---> WAN2
WAN1 (eth0) - the default route:
IP: 10.2.3.7
NM: 255.255.255.0
GW: 10.2.3.1
WAN2 (eth1) - the route I would like to squid use.
IP: 192.168.2.2
NM: 255.255.255.0
(GW: 192.168.2.1)
LAN (eth2):
IP: 192.168.0.1
NM: 255.255.255.0
My Kernel IP routing table looks like this by default when I fire up the router:
| Code: | Destination Gateway Genmask Flags Metric Ref Use Iface
default 10.2.3.1 0.0.0.0 UG 100 0 0 eth0
10.2.3.0 * 255.255.255.0 U 0 0 0 eth0
192.168.0.0 * 255.255.255.0 U 0 0 0 eth2
192.168.2.0 * 255.255.255.0 U 0 0 0 eth1
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iptables script I have, that allows traffic from LAN to WAN1:
| Code: | iptables --flush
iptables --table nat --flush
iptables --delete-chain
iptables --table nat --delete-chain
iptables --table nat --append POSTROUTING --out-interface eth0 -j MASQUERADE
iptables --append FORWARD --in-interface eth2 -j ACCEPT
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Last edited by Dr.Drake on Tue Jun 25, 2013 11:40 am; edited 1 time in total |
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papahuhn
l33t
Joined: 06 Sep 2004
Posts: 626
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Dr.Drake
n00b
Joined: 13 Jun 2013
Posts: 2
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| Posted: Tue Jun 25, 2013 11:39 am Post subject: |
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| It's been a while but thanks. I got it working with assistance of the page you provided. |
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