On Nov 30, 2003, at 2:41 PM, Robert Watson wrote:
if_tap is actually quite useful, and in the same general class of
synthetic interfaces as if_tun. I've used both in building tunneling and
topology-manipulation tools, as well as for debugging routing, etc.
if_tap simulates an 802 device, and if_tun simulates a point-to-point
device. VMware is the only application I know of using if_tap, although I
have a fair amount of my own code that uses it. Userland ppp uses if_tun,
as to some of the third party crypto tunneling tools.
F5 uses if_tap for management traffic, as our internal framework looks a lot
more like an 802 environment than a point-to-point link.
Both if_tap and if_tun are quite handy, given different types of projects.
-- Jonathan Mini [EMAIL PROTECTED] http://www.freebsd.org
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