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dd-wrt with true tompson cable modem/router help? pse

yankee99

By yankee99
in IT and Computers

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yankee99 Platinum Member

yankee99

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Ok so i can really hate computer crap as you seem to follow some simple directions and things dont go as planned.

My idea to add a wrt54gl upgraded to ddwrt vpn firmware to my true internet. So all my devices will work on strongvpn pptp.

I have managed to connect to the internet through the ddwrt but cant seem to connect via my vpn.

If anyone is knowledgeable or has a similar setup and willing to share settings please let me know and if in the area a few beers are always available...

yankee99 Platinum Member

yankee99

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^^I have previously tried this with no joy! I have also looked at the ddwrt forums, wikis and strongvpn forums and tutorials...

yankee99 Platinum Member

yankee99

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No I have not changed anything on the thomson router. Do i need to as i didnt see that anywhere? The thomson lan is conneted to the wrt54gl wan

Edited by yankee99
RichCor Platinum Member

RichCor

Posted
Posted (edited)

Q: Confirm that you have the true thompson cable modem/router in Bridge mode?

A: (in the OP) I have managed to connect to the internet through the ddwrt but cant seem to connect via my vpn.

except it looks more like a double NAT

WAN IP via DHCP: 192.168.1.48

WAN Gateway: 192.168.1.1

For PPTP to function I believe it requires the WAN have a direct Internet Facing public IP address

To get this, the Thompson cable modem/router needs to be in Bridge Mode. Those WAN addresses tell me it's not.

Edited by RichCor
RichCor Platinum Member

RichCor

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Posted

Can you try switching from PPTP to OpenVPN on your dd-wrt (as openVPN uses SSL as the transport and is more flexible when dealing with NAT issues).

lomatopo Star Member

lomatopo

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OK, I assumed the DOCSIS router was in Bridge mode, it definitely looks as though it is not.

Also, according to the video you are supposed to use the numbered IP address for the Strong VPN server, and not the name.

yankee99 Platinum Member

yankee99

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Can you try switching from PPTP to OpenVPN on your dd-wrt (as openVPN uses SSL as the transport and is more flexible when dealing with NAT issues).

Well its a option but i would need to change my subscription as it is a higher package.....do you think this would solve the problem? I guess it will at least make it strongvpns headache :)

yankee99 Platinum Member

yankee99

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OK, I assumed the DOCSIS router was in Bridge mode, it definitely looks as though it is not. Also, according to the video you are supposed to use the numbered IP address for the Strong VPN server, and not the name.

I have tried changing the pptp gateway both ways :(

rwdrwdrwd Silver Member

rwdrwdrwd

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wrt3n.jpg

Forgive me for stating the obvious, but have you clicked connect on that screen? Next to Login Status - what happens?

Edited by rwdrwdrwd
RichCor Platinum Member

RichCor

Posted
Posted

If OTHER possible solutions fail, then you might want to placing the Cable Modem in Bridge Mode. The ONLY issue with placing any device in Bridge Mode is getting access the bugger to reconfig it or set it back to NAT.

Thomson TCW710/TCW750/TCW770: quick guide for disabling NAT

By default, the Thomson cable modems have NAT (Network Address Translation) switched on (routed mode). This virtually allows connecting even hundreds of computers to one internet connection. Never the less, in some cases there’s a need to change the device in a bridged mode (in case of some file sharing programs, VOIP telephones, servers etc) to get the straightest internet connection possible. The following text will guide you how to change the operation mode from routing to bridged.


Note: by switching the router in bridged mode, you limit the amount of connected computers to the maximum amount of IP addresses provided by your internet service provider (usually 5, depending on the ISP). Also note that you will not be able to access the router configuration page after switching to bridged mode, without resetting the factory settings.


Thomson TCW710/TCW750/TCW770

1. Go to http://192.168.0.1 with your web browser.

2. Login (by default the username is left blank and the password is “admin”).

3. Click “Status”

4. Click “Switch mode” (this menu will not show up until the modem has established a connection to the ISP).

5. Select “Cable modem” as the “Switch mode” and click “Apply”.

6. The modem will restart and reconnect automatically. After this you should restart your computer to refresh your IP settings.

yankee99 Platinum Member

yankee99

Posted
  • Author
Posted

If OTHER possible solutions fail, then you might want to placing the Cable Modem in Bridge Mode. The ONLY issue with placing any device in Bridge Mode is getting access the bugger to reconfig it or set it back to NAT.

Thomson TCW710/TCW750/TCW770: quick guide for disabling NAT

By default, the Thomson cable modems have NAT (Network Address Translation) switched on (routed mode). This virtually allows connecting even hundreds of computers to one internet connection. Never the less, in some cases theres a need to change the device in a bridged mode (in case of some file sharing programs, VOIP telephones, servers etc) to get the straightest internet connection possible. The following text will guide you how to change the operation mode from routing to bridged.

Note: by switching the router in bridged mode, you limit the amount of connected computers to the maximum amount of IP addresses provided by your internet service provider (usually 5, depending on the ISP). Also note that you will not be able to access the router configuration page after switching to bridged mode, without resetting the factory settings.

Thomson TCW710/TCW750/TCW770

1. Go to http://192.168.0.1 with your web browser.

2. Login (by default the username is left blank and the password is admin).

3. Click Status

4. Click Switch mode (this menu will not show up until the modem has established a connection to the ISP).

5. Select Cable modem as the Switch mode and click Apply.

6. The modem will restart and reconnect automatically. After this you should restart your computer to refresh your IP settings.

My login is different 192.168.1.1 user admin password password.

Twc750

https://www.google.co.th/url?sa=t&source=web&rct=j&ei=N6l0U7vKM8e6uATk24KACQ&url=http://setuprouter.com/router/thomson/tcw750-4/manual-702.pdf&cd=6&ved=0CDgQFjAF&usg=AFQjCNHZXqr7BZUtNnSS__L1uk80dZD3MQ&sig2=f4KPIFxkT_A4FnerG5ZtsQ

RichCor Platinum Member

RichCor

Posted
Posted (edited)

The dd-wrt has two modes for acting as a VPN.

One mode is to set the dd-wrt router in a 1-router setup and use the Services tab to configure/connect and force all traffic through the VPN connection when it's active.

The other mode is to set the dd-wrt router as a gateway (a subnet) in a 2-router setup and configure the PPTP on the main page. Only equipment directly connected through dd-wrt router will be have traffic forced through the VPN connection when it's active. Equipment directly connected to the Thompson Cable Router will not/cannot use the VPN connection and traffic will be routed normally.

You're using the 2-router method, and it should work. IF your PC connected to your Thompson Cable Router could connect via PPTP then the dd-wrt should be able to do the same. You were always on the right track. Just need to check every detail.

Edited by RichCor
Pib Star Member

Pib

Posted
Posted (edited)

Strongvpn will not support pptp only open vpn

I use StrongVPN in PPTP, L2TP, and SSTP....no problems....been doing this for years. But I'm not setting the VPN connection up "within" my router; instead, I switch to one of those 3 VPN modes as needed via my computer.

I'm on TrueOnline DOCSIS and also have a True-issued Thomson Wifi modem/router...as far as I know you can not set it to bridge mode.

Edited by Pib
lomatopo Star Member

lomatopo

Posted
Posted (edited)
Select “Cable modem” as the “Switch mode” and click “Apply”.

According to the user's manual, this "Mode", should work? See page 57 (and figure 48). http://setuprouter.com/router/thomson/tcw750-4/manual-702.pdf

But you will have to work with True directly, so that they know you want to use this "mode" - I think they'll need to make changes on their side to support this mode.

Personally, I might simply contact True, tell them that you need to add a WiFi router/repeater and need a new (Cisco?) cable modem which can support "bridge mode", no need to go into details re: VPN.

With CM Mode, your cable company must provide one IP address for the CM section, plus one for each PC (this would be for your DD-WRT up-link: not sure if these are private IP addresses from True? 10.nnn.nnn.nnn) you connect from their pool of available addresses. Your cable company may have you or your installer manually enter these assigned addresses into your PC, or use a DHCP Server to communicate them to your PCs, or use a method that involves you entering host names into your PCs.
Note that in CM Mode, packets passing to the Internet to/from your PCs do not travel through any of the IP stacks; instead they are directly bridged between the WAN and LAN sides.
Edited by lomatopo
yankee99 Platinum Member

yankee99

Posted
  • Author
Posted

Strongvpn will not support pptp only open vpn

I use StrongVPN in PPTP, L2TP, and SSTP....no problems....been doing this for years. But I'm not setting the VPN connection up "within" my router; instead, I switch to one of those 3 VPN modes as needed via my computer.

I'm on TrueOnline DOCSIS and also have a True-issued Thomson Wifi modem/router...as far as I know you can not set it to bridge mode.

I can do it via their windows software too but i want to play with ruko and amazon fire tv. I think it will be less complicated having the network vpn as opposed to one device at a time vpn.

yankee99 Platinum Member

yankee99

Posted
  • Author
Posted

Select Cable modem as the Switch mode and click Apply.

According to the user's manual, this "Mode", should work? See page 57 (and figure 48). http://setuprouter.com/router/thomson/tcw750-4/manual-702.pdf

But you will have to work with True directly, so that they know you want to use this "mode" - I think they'll need to make changes on their side to support this mode.

Personally, I might simply contact True, tell them that you need to add a WiFi router/repeater and need a new (Cisco?) cable modem which can support "bridge mode", no need to go into details re: VPN.

With CM Mode, your cable company must provide one IP address for the CM section, plus one for each PC (this would be for your DD-WRT up-link: not sure if these are private IP addresses from True? 10.nnn.nnn.nnn) you connect from their pool of available addresses. Your cable company may have you or your installer manually enter these assigned addresses into your PC, or use a DHCP Server to communicate them to your PCs, or use a method that involves you entering host names into your PCs.

Note that in CM Mode, packets passing to the Internet to/from your PCs do not travel through any of the IP stacks; instead they are directly bridged between the WAN and LAN sides.

I looked at screen shots of switch mode but it's not incorporated in trues modem......

I called true this morning an ordered a modem with bridging capabilities. The technician is suppose to come on the 19th.

Pib Star Member

Pib

Posted
Posted

Strongvpn will not support pptp only open vpn

I use StrongVPN in PPTP, L2TP, and SSTP....no problems....been doing this for years. But I'm not setting the VPN connection up "within" my router; instead, I switch to one of those 3 VPN modes as needed via my computer.

I'm on TrueOnline DOCSIS and also have a True-issued Thomson Wifi modem/router...as far as I know you can not set it to bridge mode.

I can do it via their windows software too but i want to play with ruko and amazon fire tv. I think it will be less complicated having the network vpn as opposed to one device at a time vpn.

Understand, but your statement of, "Strongvpn will not support pptp only open vpn" was saying StrongVPN only supported OpenVPN. I just wanted to point out StrongVPN did support PPTP, L2TP, and SSTP along with OpenVPN.

yankee99 Platinum Member

yankee99

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^^Support meaning no phone or on line technical regarding using a pptp server with strong vpn. They will give phone and on line support using their open vpn on a ddwrt server.

Jayman Platinum Member

Jayman

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Posted (edited)

Just read over the thread and I agree that getting the modem into bridge mode is what you will need to do. I have no experience with the Thompson modems but I know that both cisco modems I got from true will support bridge mode.

So is clear, when you put your modem into bridge mode you basically totem of all is routing capability and bridge your Internet connection directly to the next device in the chain.

I should add that on both my Cisco modems once you put them into bridge mode they are no longer accessible on 192.168.1.1 and instead you must connect to them on 192.168.100.1 to configure them.

Sent from my GT-I9100T using Tapatalk

Edited by Jayman

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