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Using DSL and LAN domain at the same time.

A

AMDfreak

Senior member
Interesting problem here. At work, the company is an nt domain but internet access goes through a proxy belonging to our parent company in Europe. For general surfing this works well enough, but when us IT guys try to download any files it is painfully slow. Our solution was to setup a "secret" DSL connection which we connect to through a wireless router (just like at home).

When I am connected only to the DSL line, it works great. However, as soon as I plug in the LAN line again, I can no longer connect to the internet unless I enable the proxy settings for the LAN, even though the wireless connection to the router is unaffected. How do I get both connections to work at once?
I.E. with both connected:
Proxy settings enabled=LAN internet through proxy
Proxy settings disabled=internet through DSL

This is on a WinXP Pro machine with no windows firewall. What am I missing here?
 
Provided you get IT permission and they make sure that it does not compromise the Network.

Technology wise you can put the DSL on a separate computer that has two NICs. Configure one NIC to gets its Gateway and DNS from the DSL provider and Bridge the second NIC to the Network.

:sun:
 
remove the default gateway from the LAN (non "super sekrit dsl that's going to get us fired") connection might fix it.
 
Originally posted by: JackMDS
Provided you get IT permission and they make sure that it does not compromise the Network.

Technology wise you can put the DSL on a separate computer that has two NICs. Configure one NIC to gets its Gateway and DNS from the DSL provider and Bridge the second NIC to the Network.

:sun:
Click to expand...


I'm afraid that won't be an option. The DSL line will have to remain seperate from the domain. Removing the default gateway I don't think is going to work either as I'm using DHCP for both connections. Any other ideas?
 
remove the route from the LAN (the default gateway)

you can do this with the route commands.

And I should warn you that what your doing puts your entire company at risk and could very well end in termination.
 
Originally posted by: AMDfreak
Interesting problem here. At work, the company is an nt domain but internet access goes through a proxy belonging to our parent company in Europe. For general surfing this works well enough, but when us IT guys try to download any files it is painfully slow. Our solution was to setup a "secret" DSL connection which we connect to through a wireless router (just like at home).

When I am connected only to the DSL line, it works great. However, as soon as I plug in the LAN line again, I can no longer connect to the internet unless I enable the proxy settings for the LAN, even though the wireless connection to the router is unaffected. How do I get both connections to work at once?
I.E. with both connected:
Proxy settings enabled=LAN internet through proxy
Proxy settings disabled=internet through DSL

This is on a WinXP Pro machine with no windows firewall. What am I missing here?
Click to expand...

I am smelling a suspension or maybe even a firing if they find it, and they will eventually 😉

 
That won't happen either.😉 It's legit as far as management is concerned, we're just keeping knowledge of the DSL connection among a few select people.

Edit: By legit, I mean that the company is paying for it. It's easier for us to pay for the extra connection to use for file transfers than deal with the asshats managing the proxy in Europe.
 
Heh, some of us actively scan for rogue devices. (switches, routers, access points, IPs outside of the defined range, more than one mac on a port, etc).

This is normally done by the "head office" using automated tools that look for this stuff.
 
Onsite at HP it's <2 hours for a rogue AP to get found. Policy is to contact a manager, and request a leave during investigation.
 
Good point, but it is password protected and not bridged to the LAN. The worst that happens is someone breaks into the router is that we provide some free internet access. We do regular checks of the logs and such anyway...
 
Let's get back to the issue then. Is there a way for me to get this working like I want, or should I just say screw it and pull the LAN cable when I need to use the other connection?
 
Originally posted by: AMDfreak
Let's get back to the issue then. Is there a way for me to get this working like I want, or should I just say screw it and pull the LAN cable when I need to use the other connection?
Click to expand...

I already provided a solution. Remove the default gateway/route on the LAN side with the "route" command. You could even write a little batch file to switch it around.
 
Originally posted by: spidey07
Originally posted by: AMDfreak
Let's get back to the issue then. Is there a way for me to get this working like I want, or should I just say screw it and pull the LAN cable when I need to use the other connection?
Click to expand...

I already provided a solution. Remove the default gateway/route on the LAN side with the "route" command. You could even write a little batch file to switch it around.
Click to expand...


Sorry I'm a bit dense today. I hate to say it, but treat me like a noob on this one. I see the route command is something I would do on a DOS command line, but after reading the /? I'm a bit fuzzy on implementation. Would it be something like:
route -f [my LAN IP address]
 
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