Source Address

[Jeffery Eric Contr 95CS/TYBRIN]

Scenario:

VPN set up has External Router connected to a Firewall via port 1 and a VPN
Device via port 2.  The VPN Device is connected to the Firewall as well, but
NOT to the Enterprise WAN.  The Firewall is connected to an Internal switch
and from there reaches the Enterprise WAN.  A VPN user located across the
country establishes a successful VPN connection with the VPN Device.  The
user then makes a SQL call to a server inside the Enterprise.  The External
Router will send the packet to the VPN Device.  

Router-----------------------------------------------VPN Device
				|	|	
				|	|
				|	|	
	
|--------Firewall---------------------------------------Internal Network
Question:

The VPN device will then forward the packet to the Firewall.  Is the source
address on this packet from the User across the country or is it the source
address from the VPN Device.  Assume all VPN traffic uses IPSec.

Eric Jeffery, MCSE
Network Systems Analyst


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