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Setting up internet on a cisco 2611 router

Posted on 2003-03-06
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Last Modified: 2013-11-29
Hi i need to know how i can setup my cable internet on a 2611 router. The router has 2 T-1 WICS and Dual Ethernet.
I am very familiar with most commands just need a boost on where to start.

Thanks

              -Leo
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Question by:Leo Alexander
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4 Comments
 
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lrmoore earned 400 total points
ID: 8085774
just setup your E0/0 port for the Internet side. If you can't use the 'ip address dhcp' command, you'll need to upgrade your ios
!
interface eth 0/0
 ip address dhcp
 ip nat outside
 no shut
!
interface eth 0/1
 ip address 192.168.100.1 255.255.255.0
 ip nat inside
!
ip nat inside source list 1 interface ethernet0/0 overload
!
access-list 1 permit 192.168.100.0 0.255.255.255
!

If you need to clone the MAC address from your first installation, you can use another interface command on e0/0 to set the mac address to whatever you need it to be.

Get it working, then you'll want to lock it down with some basic good security.

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Author Comment

by:Leo Alexander
ID: 8085810
Thanks! I'll try that right now.
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Author Comment

by:Leo Alexander
ID: 8085948
Great , it worked! Thanks alot... damn cisco classes :/
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LVL 79

Expert Comment

by:lrmoore
ID: 8086030
Here's a good reference for locking down security on the router:
http://nsa1.www.conxion.com/
Look for the Cisco Router guides.

Cheers!
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