The theory of layer 3 switching is fairly straightforward, logically and
physically.  The implementation of a well designed network integrating L3
with VLANs/BVIs, channels and tunnels is less immediately apparent.
 
As aforementioned in a previous thread comment, Cisco does have some setup
configs published at the CCO.  I think all of us could use a 'best practice
setup for multiple VLANs, dynamic VLAN issues, QOS, and some other details
found in an L3 switch like the 2948G-L3.
 
Best, G.

 
first of all a switch will always switch faster than a router since the
router has a processor and a switch has a ASIC specific for switching.
 
now a router not only switches the packets but will process it for access
restrictions and queueing. thus slowing things down compared switches that
perform none of this. sure remove all these aspects and you come closer to a
switch, but remember the router still has more overhead to deal with in
keeping routing tables up to date. 
 
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