william,

there is a big diffrent between the two,

fastport allow you to move a port in a stp spanning tree protocol from block
mode to forward stat in 5 seconds, which usally take 50 sec, due to the stp
protocol.

you will use it only when you have a point to point connection like a work
station connected directlly to the switch, it you don't have a point to
point connection don't use it, you can creat network loop and unstable
network.

uplink fast
Uplink Fast is a Cisco specific feature that, when enabled on an access
switch, improves the convergence time of the Spanning-Tree Protocol (STP) in
the event of the failure of an uplink, if you have redundency of two links
that are connected to the router, you can excute the uplink fast command on
both links, in case of failure of directly connected line, the stp will open
the blocked link in 5 sec insted of 50 secounds.

guy




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