Cisco VPN and nmap...

["Saro Hayan" <saro () arizona edu>]

Hello,
I seem to have this problem with nmap with any version of Cisco VPN client
that I have tried with (ranging from 4.6.x to the 4.8x version (I believe).
It works fine when I am not VPN'ed, but when VPN'ed and I try to scan
addresses on the other end of the tunnel, I get the following.  Below is a
sample.

C:\>nmap -sP 10.4.4.4

Starting Nmap 4.20 ( http://insecure.org ) at 2007-02-04 20:40 US Mountain
Standard Time
nexthost: Failed to determine dst MAC address for target 10.4.4.4
QUITTING!

Is this setup just not supported?  I've also tried winpcap from 3.1 to 4.

It's on a WinXP SP2 box.
Thanks in advance.


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