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CONNECTING TWO ROUTERS ACROSS THE INTERNET

Posted on 2004-04-02
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Last Modified: 2010-04-17
I HAVE TWO 2500 CISCO ROUTER, AND I WANT TO CONNECT THEM  AT TWO DIFFERENT PLACES ACROSS THE INTERNET USING BROADBAND CABLE. HOW DO I DO THIS?
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Question by:SUPERCOOLDUDE
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Scotty_cisco earned 1200 total points
ID: 10742569
I would set up  a GRE tunnel like so

---------Router 1--------------

interface Tunnel1
 ip unnumbered Ethernet0
 ip nat inside
 tunnel source Ethernet0
 tunnel destination x.x.x.x (public IP address of router2)


----------Router 2------------------
interface Tunnel1
 ip unnumbered Ethernet0
 ip nat inside
 tunnel source Ethernet0
 tunnel destination y.y.y.y (public ip address of router1)

Then just make sure that you have routes accross the link using interface tunnel1

This link is very similar except you are going to use the 2500 to tunnel the data

http://www.cisco.com/en/US/tech/tk86/tk89/technologies_configuration_example09186a008011520d.shtml

This is not encrypted though and if you want to do that ... things change a bit

Thanks scott
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