I have two machine , say A ,B connected to lan subnet of Router R .
Router R is a linux (2.6.18 ) machine with two interface eth0 and eth1
.
eth0 is connected to lan side and eth1 is connected to wan side .
192.168.1.100/24
A ----- | | |
| ---------------> lan (eth0 ) (192.168.1.1/24) | R |
wan(eth1) 10.232.18.100 ----------->
B------ | | |
192.168.1.200/24
My understanding is : - NAT on Router R is symmetric nat . I am able
to browse internet from both machine A and B .
My question is : Can Router R can support different types of NAT
simultaneously ( full cone nat ,address restricted nat ....etc ) ?
IF only one type of nat is supported , how "ping google.com " works
from both machine ? icmp dont have any port information .Still
icmp-reply gets routed to correct machine ?
Thanks,
Ratheesh
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