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[FW1] NAT



Hi,
I need your help about a Nat in this configuration:

fw1 ver 4.1 on SUN

	host171 (171.1.200.43)
			|
			|hme1 171.1.200.50
		------------------------
		|	FW1	|---hme2 192.168.64.1----fw----internet
		---------------------------
			|hme0   60.20.20.80
			|
		host60 (60.20.20.89)

I have from 171.1.200.43 goes in Internet and goes to host 60.20.20.89.

I've define 2 Nat hide:

source	desti	serv	source tras		dest trasl		serv	install
host171	host60	any	origin		origin		origin	all
host171	any	any	hme2		origin		origin	all

but if i snoop on hme1 and hme0 I see:

on hme1:
171.1.200.43 --> 60.20.20.89 echo request
171.1.200.43 --> 60.20.20.89 echo request
171.1.200.43 --> 60.20.20.89 echo request

on hme0
171.1.200.43 --> 60.20.20.89 echo request
60.20.20.89  --> 171.1.200.43 echo replay
171.1.200.43 --> 60.20.20.89 echo request
60.20.20.89  --> 171.1.200.43 echo replay
171.1.200.43 --> 60.20.20.89 echo request
60.20.20.89  --> 171.1.200.43 echo replay

and on host171 I've Echo request time out.
On fw1 I've this route:

source		gtw
172.1.0.0		172.1.200.43

>From fw1 i can ping host60 and host171, from host171 i can ping hme1 and hme0.

Can you help me?
thanks a lot
regards
manus




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