Dual / Triple WAN HowTo | DHCP scripts on Page 5!!!!

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cosmok
DD-WRT Novice


Joined: 22 Nov 2010
Posts: 9

PostPosted: Fri Jan 14, 2011 17:34    Post subject: Re: Dual / Triple WAN HowTo | DHCP scripts on Page 5!!!! Reply with quote
Anyone get this working on a WRT160NL?
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black6spdz
DD-WRT User


Joined: 10 May 2007
Posts: 99

PostPosted: Tue Mar 08, 2011 2:51    Post subject: Reply with quote
mstombs wrote:
black6spdz wrote:
gave up on dd-wrt, found Tomato DualWAN EN version, flashed it and it works right out of the box!


Is that my GUI mod of the Chinese DualWAN buggy code - with possible backdoors as no source-code ever released?


Why is it buggy? It works absolutely flawless with my two 6Mb DSL lines load balanced and with line test / failover. QoS works perfect too and very easy to setup. Have you ran a portscan on a box or observed any traffic besides NTP or ICMP coming out to substantiate a claim of backdoors? I'm a long time fan of DD-WRT and I still run it on my main RSPro router but for anyoneone not wanting to fumble with scripts and whatnot the Tomato DualWan is a dream come true.. why dont they build a preconfigured dual/multiwan dd-wrt with a gui? Couple that with a highpower unit such as a 610N or 16N router and the peplink/Cisco small business dualwan routers have some serious competition.

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DD-WRT w/ Superchannel, Ubiquiti RS Pro @800Mhz, Ubiquiti SR71-A a/n,g/n
be.cool
DD-WRT Novice


Joined: 18 Sep 2007
Posts: 27

PostPosted: Wed Mar 16, 2011 0:58    Post subject: Reply with quote
Hi Everybody.
I successfully managed to get dual wan load balacing after reading the dual wan with round robin load equalization Wiki page. But I observed a problem with this setup. If one of the links goes down. I can't browse anymore nor ping anything. I have to remove the default route with equalization and the add the default route for the working link.
Is there any way i can avoid doing this and make dd-wrt do this automatically? Isn't the equalization default route supposed to manage this?
Or configure load-balancing equalization with failover ?

Thanks.
jeepinhank
DD-WRT Novice


Joined: 26 Mar 2011
Posts: 1

PostPosted: Sat Mar 26, 2011 15:14    Post subject: Re: Just do not get it. Reply with quote
Asmodous wrote:
I have been trying to get dual wan to run on a wnr3500l v2 running dd-wrt.v24-14929_NEWD-2_K2.6_big. I have read may different ways to do it and have tried all that I have came across. From the one's here to the roadrunner one even this one saying that says you can do it all in nvram http://www.sbhacker.net/forum/index.php/topic/26969-advanced-dual-wan-router-guide-for-dd-wrt-routers/ yet have not been able to get it to work.

I am curently set as follows
jffs2 with the following files
udhcpc-wan2.script
routes.firewall
firewall.firewall
I have not made any changes to the first file.
Added sleep5 to the second file.
Changed the vlan from 1 to 2 and 2 to 3.
added iptables to the jffs folder
added command to start up udhcpc -s /jffs/scripts/udhcpc-wan2.script -i vlan3
added to the firewall
/jffs/scripts/routes.firewall
/jffs/scripts/firewall.firewall

nvram
nvram set vlan1ports="4 3 1 8*"
nvram set vlan2ports="0 8"
nvram set vlan3ports="2 8"
nvram set port0vlans="2"
nvram set port1vlans="1"
nvram set port2vlans="3"
nvram set port3vlans="1"
nvram set port4vlans="1"
nvram set port5vlans="1 2 3 16"
nvram set vlan1hwname="ET0"
nvram set vlan2hwname="ET0"
nvram set vlan3hwname="ET0"
nvram set vlan3_bridged="0"
nvram commit
reboot
After doing this if i stick in both wan port i get nothing if i remove the new secondary i can get wan.
thank you for any help you can give. Confused


Did you ever find a solution to this? I'm trying to set up dual wan on the same Netgear WNR3500L, and seem to be running into roadblocks no matter which method I attempt.
diadem
DD-WRT Novice


Joined: 07 Apr 2011
Posts: 4

PostPosted: Thu Apr 07, 2011 11:45    Post subject: WRT54GL 1.1 Reply with quote
trying to get this working with a WRT54GL. EVerything seems to install ok but vlan2 never gets an IP, even when connecting port 4 to one of the other ports on the router.

I used darkhawks scripts to setup/install. One of the wan devices is a cable modem the other is a ADSL modem/router. If i hook the ADSL modem/router to one of the other ports and reboot the wrt54gl the 2nd network gets passed through, the wrt54gl acts like a switch. So i know im able to get an ip.

Im thinking that the wrt54gl is not doing DHCP requests on port 4.

--------snip--------
vlan2 Link encap:Ethernet HWaddr 00:16:B6:ED:F6:15
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:234 errors:0 dropped:0 overruns:0 frame:0
TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:14269 (13.9 KiB) TX bytes:668 (668.0 B)
--------snip--------
seminma1
DD-WRT Novice


Joined: 24 Jan 2010
Posts: 14

PostPosted: Sun Apr 24, 2011 15:56    Post subject: Reply with quote
Hi community , i`m trying to write a tutorial for DUAL WAN on E2000 / WRT320 Routers, what I have wrote is what you see below : would you please help me to continue the tutorial ?

Kind Regards

Gatekeeper

DUAL WAN E2000 / WRT320N

DUAL WAN E2000 / WRT320N This tutorial brings to you all the steps to allow your E2000 Router into "DUAL WAN" with DHCP on every WAN port, asumming you have 2 ISP providers and they gives you an "always on" connection (no ppoe) just plug the patch cord in your wan port and you receive a public IP address.

I`m Using "DD-WRT v24-sp2 (04/11/11) mini - build 16773M NEWD-2 K2.6 Eko"

First Approach to "Dual Wan" on this models is to have clear the standards vlans & ports default configuration :

E2000 Default Port & Vlan Asignation.

root@DD-WRT:~# nvram show | grep vlan.*ports
vlan2ports=0 8
size: 19998 bytes (41442 left)
vlan1ports=4 3 2 1 8*

It means : Physic port 0 (WAN) = WAN port Logic
Physic port 4 = LAN port 1 Logic
Physic port 3 = LAN 2 Logic
Physic port 2 = LAN 3 Logic
Physic port 1 = LAN 4 Logic
Port 8 = It has to be present en every VLAN since it is a logical bridge

Next Step is to have clear port membership on every VLAN.
root@DD-WRT:~# nvram show | grep port.*vlans
port5vlans=1 2 16
port3vlans=1
port1vlans=1
port4vlans=1
port2vlans=1
size: 19998 bytes (41442 left)
port0vlans=2

It Means : Ports 3 , 1 , 4 and 2 belongs only to VLAN 1
Port 0 (WAN) belongs to VLAN 2
Port 5 Vlans is an internal port just for bridging and you don have to consider this port.

Next Step is to have clear the Name of the vlans in Logical inteface name.

root@DD-WRT:~# nvram show | grep vlan.*hwname
size: vlan2hwname=et0
19998 bytes (41442 left)
vlan1hwname=et0

It means VLAN1 & VLAN2 are part of interface ETH0

Next Step is to create space by enabling jffs to hold load balancing & Firewall scripts.

E2000 & WRT320N have 8MB Flash & 32 MB Ram so you have plenty space to save scripts on JFFS space.

Go to "Administration TAB" then "Management TAB" and change the values to ENABLE JFFS and CLEAN JFFS, then Hit "Save" and "Apply Settings" and finally "Reboot Router"

Next Step is to allow SSH protocol to transfer files to JJFS Space created in our router.

When Router comes back alive again , It is time to allow connections through SSH protocol : Is is done from the TAB "Services" and look for "Secure Shell" on the menu SSHd just click "Enable" now again , Hit "Save" button an the botton of that page, next " Apply Setting" and next "Reboot Router"

To be continued ASAP

Gatekeeper
seminma1
DD-WRT Novice


Joined: 24 Jan 2010
Posts: 14

PostPosted: Mon Apr 25, 2011 10:30    Post subject: Update to Dual Wan Tutorial Reply with quote
Hi Community , tutorial has been updated and can be found here : http://www.dd-wrt.com/wiki/index.php/DUAL_WAN_E2000_/_WRT320N

Any contributions will be appreciated

Kind regards

Marcelo Semino

Gatekeeper
felixXJ
DD-WRT Novice


Joined: 27 May 2010
Posts: 44

PostPosted: Mon Apr 25, 2011 19:33    Post subject: linksys wrt150n Reply with quote
Will this work on a WRT150 V1?
razvanu
DD-WRT Novice


Joined: 21 May 2011
Posts: 2

PostPosted: Sat Jun 11, 2011 8:19    Post subject: Reply with quote
Helllo,
I am using settings from page 1 on linksys wrt54gl, dual wan and I want to mark specific ports to a separate wan

Port 53 and 80 to go on vlan2
Port 137:139 and 445 on vlan1

Something like this:

Code:

$IPTABLES -t mangle -I vlan2 -p udp --dport 53 -j ETH1
$IPTABLES -t mangle -I vlan2 -p tcp --dport 80 -j ETH1
$IPTABLES -t mangle -I vlan1 -p tcp --dport 445 -j ETH2
$IPTABLES -t mangle -I vlan1 -p tcp --dport 135:139 -j ETH2


This are the routes
Code:

vlan1 192.168.10.2
vlan2 192.168.3.2

192.168.10.0/30 dev vlan1  proto kernel  scope link  src 192.168.10.2
192.168.3.0/24 dev vlan2  proto kernel  scope link  src 192.168.3.2
192.168.1.0/24 dev br0  proto kernel  scope link  src 192.168.1.1
169.254.0.0/16 dev br0  proto kernel  scope link  src 169.254.255.1
127.0.0.0/8 dev lo  scope link
default
        nexthop via 192.168.10.1  dev vlan1 weight 1
        nexthop via 192.168.3.1  dev vlan2 weight 1



Is this ok ?
bkeahl
DD-WRT Novice


Joined: 13 Jun 2011
Posts: 5

PostPosted: Mon Jun 13, 2011 21:02    Post subject: Reply with quote
Is there an easy way to disable the load balancing?

I'm really interested in failover. I've got the router configured as a wireless client and that seems to work for having internet access via the other network. I'm hoping I can make that one a "secondary" WAN and then my hardwired connection the "primary" WAN. I'd only want to rollover to the secondary of the primary fails.

I've taken a quick peek at the code but am not familiar enough with the language to feel comfortable altering the balancing/failover code unassisted.

Any guidance would be appreciated.
TheEyez81
DD-WRT Novice


Joined: 11 Jun 2010
Posts: 3

PostPosted: Thu Jul 21, 2011 21:06    Post subject: Reply with quote
Hi,
Anyone got this working and willing to help me out.
I got a rt-n16 router.
Here are some for the information I have done so far but could not get it work in trying to get an IP for port 4.

vlan1 = 1,2,3 (port)
vlan2 = WAN port
vlan3 = 4 (port)

vlan3hwname=et0
vlan2hwname=et0
vlan1hwname=et0
vlan0hwname=et0

vlan2ports=0 8
vlan0ports=1 2 3 4 5*
vlan3ports=4 8
vlan1ports=3 2 1 8*

port5vlans=1 2 3 16
port3vlans=1 18 19
port1vlans=1 18 19
port4vlans=3 18 19
port2vlans=1 18 19
port0vlans=2 18 19

okay..after thinking about this. I thought I would give this method a try.
modem1 -> vonage router --> dd-wrt router -> port 4
modem2 -> dd-wrt router --> WAN port

with the method above, I should be able to assign a static IP for port 4. Everything is okay at this point after reboot but cannot access internet.
Please help or let me know if this method will work.
h-cross
DD-WRT Novice


Joined: 22 Aug 2011
Posts: 16
Location: Thessaloniki

PostPosted: Sun Aug 28, 2011 1:50    Post subject: Reply with quote
Hello everybody!

I was interested to "make this real" (the whole Dual Wan thing), and finally I did it.

So, here is my configuration:

1) WRT54GL v1.1, DD-WRT v24-sp2 (08/12/10) mini (SVN revision 14929)
-Repeater Mode
-Connection Type: Static IP
WAN IP: XXX.XXX.XXX.XXX
MASK: 255.255.255.0
GATEWAY: YYY.YYY.YYY.YYY
STATIC DNS: YYY.YYY.YYY.YYY
-Network Setup (Router IP)
IP: 192.168.20.1
MASK: 255.255.255.0
GATEWAY: YYY.YYY.YYY.YYY
LOCAL DNS: YYY.YYY.YYY.YYY
-DHCP Server Enabled
-DNS Masq Disabled in Services

The router above is plugged to Port 4 and it is the "first" internet connection.

2) WRT54GL v1.1, DD-WRT v24-sp2 (08/12/10) mini (SVN revision 14929)
-Repeater Mode
-Connection Type: Static IP
WAN IP: xxx.xxx.xxx.xxx
MASK: 255.255.255.0
GATEWAY: yyy.yyy.yyy.yyy
STATIC DNS: yyy.yyy.yyy.yyy
-Network Setup (Router IP)
IP: 10.0.0.1
MASK: 255.0.0.0
GATEWAY: yyy.yyy.yyy.yyy
LOCAL DNS: yyy.yyy.yyy.yyy
-DHCP Server Enabled
-DNS Masq Disabled in Services

The router above is working as the Dual Wan Device and it "holds" the "second" internet connection.

As you can see, this works using two WRT54GL v1.1 in Repeater Mode.

I made it real (for me) following the instructions posted by killaDUALwans (thanks man!) and it works almost perfectly and I'm facing the following issue/bug/problem:

Explanation:

Code:
- The "first" internet connection is about 12mbit/1mbit (up/down)
- The "second" and the "slow" connection is about 4mbit/1mbit (up/down)


And finally the problem:

Code:
The above statement gives us theoretically a 16mbit/2mbit balanced connection BUT the maximum download speed is 2 times the "slow" connection and it's equal to 8mbit.


I have changed (a bit) a part of code in routes.firewall from
Code:
ip route add default scope global equalize nexthop via $(nvram get wan_gateway) dev eth1 nexthop via $(nvram get wan2_gateway) dev $(nvram get wan2_ifname)

to

Code:
ip route add default scope global equalize nexthop via $(nvram get wan_gateway) dev eth1 weight 1 nexthop via $(nvram get wan2_gateway) dev $(nvram get wan2_ifname) weight 1

but no luck.

So, can anyone explain/help/show me where is the problem and if it's possible to solve this issue?

Thank you very much.
hattmall
DD-WRT Novice


Joined: 01 Sep 2011
Posts: 1

PostPosted: Thu Sep 01, 2011 8:12    Post subject: Dual Wan WRT-350N Reply with quote
Hi,

I got this working on DD-WRT v24-sp2 (08/07/10) mega - build 14896 on a WRT350N

One of the WAN's is a wireless connection, the other is wired. Thanks to lots of people who contributed, but I wanted to put the information I learned after reading the 60 pages of posts.

Things that make it work for WRT350N.

I had to set up ports like this:

Code:

nvram set vlan1ports="1 2 3 8*"
nvram set vlan3ports="4 8"
nvram set vlan3hwname=et0
nvram commit
reboot


Then I had to change the Firewall.Firewall Scripts. only slightly, there are a few areas where you can find

Code:
vlan1


replace with

Code:
$(nvram get wan_ifname)


or if you are not using the WAN port but instead have set up your router in Repeater Mode you need to change every thing that says

Code:
$(nvram get wan_ifname)

including what you just changed to

Code:
eth0


You will need to change that in both firewall.firewall and routes.firewall

Also you need to change the interface reference in the startup script to look like this.

Code:
udhcpc -s /jffs/scripts/udhcpc-wan2.script -i vlan3


I used these scripts with wget

Code:
http://www.jbarbieri.net/dd-wrt/scripts/iptables
http://www.jbarbieri.net/dd-wrt/scripts/firewall.firewall
http://www.jbarbieri.net/dd-wrt/scripts/routes.firewall
http://www.jbarbieri.net/dd-wrt/scripts/udhcpc-wan2.script 


make sure you have the right permissions, and you can use:

Code:
vi /jffs/scripts/firewall.firewall


to edit the scripts and all to check for ^M characters because I had a lot of those, when using vi I found that I had to push the "s" key to start editing, and then ESC when i was ready to exit and the command ":wq" to quit and save and if I wanted to quit with out saving type ":quit!"

It took me about 20 Hours to get all this done, but it included learning how to set up USB and jffs so hopefully it will save some people who have wrt350 and other routers sometime.

I would next like to figure out how to do failover so that if one of the connections is down it will switch to the other one only until it comes back up.

Also some way to not cache the routes so that downloading from single servers will be faster.
jbarbieri
DD-WRT Guru


Joined: 06 Apr 2007
Posts: 545
Location: New Hampshire

PostPosted: Thu Sep 01, 2011 15:10    Post subject: Reply with quote
Wow, I am very surprised this thread is still going.

I still have dual wan going, mostly on linux boxes now, as my WRT54GS was to slow to handle my connections. I wish I could answer questions when it comes to the newer devices, but the thing that would have changed the most was the VLANs. Other than that, and a different iptables, they should all be the same.

What firmware version is everyone running? I remember V24 dropped the random module. I still have DD-WRT running at home (in front of a SIP phone with a single connection) but I can investigate some issues.

Way to keep this thread going guys, and I can try and help as much as I can. Just between work and family, might be kind of slow to respond Smile

--John

_________________


Linksys EA6500v2 | 5GHz 1st Floor AP | Advanced Tomato 1.28.0000 -2.9-131 K26ARM USB AIO-64K
Netgear WNR2000v3 | 2nd Floor AP | DD-WRT v3.0-r27805 std

Behind a Raspberry Pi Dual WAN router
luimarma
DD-WRT Novice


Joined: 05 Oct 2011
Posts: 2

PostPosted: Thu Oct 06, 2011 17:36    Post subject: Reply with quote
quechua wrote:
Psychosis: Thanks for all of the tips/help I have worked it out. Below I will post detailed directions based on yours so that I can find them again someday and in case anyone else with an E3000 wants to do this (especially anyone with UVERSE + Cable Modem).

Hi Quechua,

I am trying the same setup with an E2000 router and everything works until setting up the firewall rules. There iptables complains with the rules regarding MARK and RANDOM. I have noted that the modules for iptables to be loaded does not exist in my firmware dd-wrt.v24-15508_NEWD-2_K2.6_big-e2k-e3k.bin.
Please, can you tell me which firmware version are you using for the E3000 that is working?

Thanks in advance...
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