DameWare Trace is a diagnostic utility that determines the
route taken to a destination by sending Internet Control
Message Protocol ICMP echo packets with varying Time-To-Live
TTL values to the destination.
DameWare Trace ActiveX component is a 32-bit custom control
for use with Visual Basic, Visual C++ and Web pages or any
environment that can host ActiveX controls. Each router
along the path is required to decrement the TTL on a packet
by at least 1 before forwarding it, so the TTL is
effectively a hop count. When the TTL on a packet reaches 0,
the router is supposed to send back an ICMP Time Exceeded
message to the source system. DTrace determines the route by
sending the first echo packet with a TTL of 1 and
incrementing the TTL by 1 on each subsequent transmission
until the target responds or the maximum TTL is reached. The
route is determined by examining the ICMP Time Exceeded
messages sent back by intermediate routers. Notice that some
routers silently drop packets with expired time-to-live TTLs
and will be invisible to DTrace. DTrace can be used in two
different modes - one is as a hidden control object, and the
other is as an edit box window. When used as an edit box
window, the DTrace component is virtually automatic, making
it very easy to use within your application. When used as a
hidden control object, DTrace is very flexible for the
developer to configure with its many properties.
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Windows 
Platforms: Win 95/98, Win NT 3.51, Win NT 4.0