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Essentially "Double Natting" is what happens when you place your computer behind a NAT router which is itself, behind another NAT router.
Occasionally it just happens, particularly in corporate environments where you want a small network to be isolated from the corporate network it's on, which in turn is isolated from the internet that it's connected to. While it slows things down just a tad, in practice, most, though not all, things work just fine across a double NAT.
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Article C2314 - March 26, 2005
Hi !!!!
This is must due to the Double Natting.
Yes you can turn off NAT in your secondary Router and the Main Router's Router will act as DHCP server assigning static ip to the clients connected to it..
On the secondary router , you can assign static ip in the Range of the First router and then disable NAT
Posted by: GMCKS at August 17, 2005 6:01 AMIts very good site for network queries.
Posted by: dharmendra Kumar at June 2, 2006 3:29 AMhey leo, my belkin wireless router must have been doing that double natting thing... i turned my nat thing off my wireless router and hotmail actually works, but i can't go back to the belkin setup screeen...? where u choose settings for firewalls.. yadda yadda...
Posted by: andy at June 7, 2006 6:45 AMI have a fiber internet connection which terminates and connects to a netgear natting router and the router connects to the switch on which all the computers are connected. At present I have provided the ip address of the netgear router as default gateway to all the computers. Since the number of users increased it has become difficult to trace the activity as the console which I use to control the router doesn’t have many features. For example if I would like to block yahoo for a particular user I cannot. My question is weather I can have double natting or not?
What I mean is that will it work if I have a computer with two lan cards and the natting routers connects to the one lan card and the other lan card connects to the switch and then install software natting like kerio winroute firewall and computers on network will use ip address of that computer as gateway which will have two lan cards so that I can manage the activity of all the users using the software firewall.
My service provider doesn’t allow directly connecting the rj45 utp to the lan card on a computer.
Posted by: Umesh Kamath at July 25, 2006 2:22 AMyou have a fiber connection and dont know how to set up networking? boy you must have money to burn
Posted by: bob at August 20, 2006 3:56 PMhi leo i have a problem my hotmail and msn messenger does not work other web pages though work just fine i used to use a dial up modem but i changed it to a broadband is that why and if so what can i do to fix it?
Posted by: irene at November 24, 2006 1:37 PMHi Leo. I would like to ask a help from you. I hope you can email me your answer. Here's my problem. I want to share my DSL connection to a friend whose basically away from my home. My DSL is 512KBPS. How can i create a connection in which it's somehow the same with ISP where he can just connect to my MODEM/ROUTER using dial up connection. What softwares should I need or procedures. Please I need your help. Please if possible can you just email me your answers(macware23@gmail.com). Thank you again.
Posted by: Arnel at December 25, 2006 5:36 AMTell me about natting. I know something but i wanna know how to configure it? how to use? n every aspect of it.
Posted by: jatin at June 13, 2007 11:44 PMHi, My problem is i cannot poll the second pix(Cisco 506E) or server through the first pix(Cisco 506E) using SNMP.
Posted by: Derek Scott at March 3, 2009 2:50 AMHi Mr. Leo,Can you please explain NATTING (Meaning and Use)in more detail.
Appreciate your help
Posted by: YUSUF KAMAL at June 1, 2009 10:27 PMThank You
Yusuf