The IPSec tunnel is between the Router and the PIX.  Only Host1's traffic is
encrypted upto the PIX . Host2 is on the LAN attached to the PIX's outside
interface.

Cheers

Simon


 -----Original Message-----
From: Walker, Todd [mailto:[EMAIL PROTECTED]
Sent: Saturday, March 15, 2003 11:08 PM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: RE: Can PIX redirect a packet from its outside interface???



Are you saying BOTH host1 and host2 have IPSec tunnels to PIX?  If so, the
PIX cannot decrypt and re-encrypt back out the same interface.
 
Look through the Networker's presentations for Enterprise VPN Design - there
are a few slides on the issue.
 
If host2 is just on outside interface without IPSec, then you may have a
chance.  But this PIX limitation may extend to your scenario as well.
 
Todd

-----Original Message----- 
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
Sent: Sat 3/15/2003 1:39 AM 
To: [EMAIL PROTECTED]; [EMAIL PROTECTED] 
Cc: 
Subject: Can PIX redirect a packet from its outside interface???


Hi,

This must be an easy one for the PIX experts.

I have a topoloy as shown below.
Host1---Router ==========IPSEC Tunnel==========(outside)PIXFirewall(inside)
                                                                |
                                                                |
       
Host2

Host1 is trying to ping Host2.
The packet flow would be
Host1----Router------PIX-----Host2.
Is this possible??? Would the PIX forward the packet coming in via the IPSEc
tunnel on the outside interface to the Host2 which is on the LAN attached to
the outside interface.??  Please note that the packet here is not
transitting the PIX.


Cheers
Simonc




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