Diagram is vague . Please find attached file . On Wed, May 5, 2010 at 3:59 PM, ratheesh k <ratheesh.ksz@xxxxxxxxx> wrote: > 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 >
Attachment:
icmp_symmetricnat.JPG
Description: JPEG image
