> Anyone out there know how to do this? or even if its possible, I want to do
> this to stop spoofed ip packets from leaving my router destined for the
> net...
You can stop spoofed packets leaving your network by applying "Reverse
Path Filtering" on the router. As far as I know all versions of IOS
support it. T'will stop smurf attacks etc. from your network. Any
packets with faked source IPs will just be dropped.
Hope this helps,
Ronan
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