Why is it a bad idea to use multiple NAT layers or is it?

Posted by iamrohitbanga on Server Fault See other posts from Server Fault or by iamrohitbanga
Published on 2010-03-10T15:57:38Z Indexed on 2010/03/14 5:25 UTC
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networking

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nat

The computer network of an organization has a NAT with 192.168/16 IP address range. There is a department with a server that has an IP address 192.168.x.y and this server handles hosts of this department with another NAT with the IP address range 172.16/16.

Thus there are 2 layers of NAT. Why don't they have subnetting instead. This would allow easy routing.

I feel multiple layers of NAT can cause performance losses. Could you please help me compare the two design strategies.

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