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* '''Bridge mode''': In Bridge mode A.K.A. In-Line mode, all received packets will be transmitted between corresponding port pairs (e.g. 1+2, 3+4 on Allegro 500) so that the Allegro can be placed inline between any network component. The device will operate transparent and will not modify network traffic in any way. The additional latency will be typically around or less than 1 millisecond.   In Bridge mode it is also possible to process network traffic from a mirror port or Tap. However, "only" half of the total available ports on each respective Allegro Network Multimeter model can be used to operate in this way.  For example on a 4-port Allegro model 500, you can conveniently leave the unit in bridge mode and connect up to two mirror ports on interfaces 1 and 3 respectively. Aforementioned interfaces are physically separated and not an (in-line) interface pair.   Always avoid connecting mirror port traffic on an Allegro Network Multimeter interface pair (e.g. 1+2, 3+4 on Allegro 500), as this wil result in TX traffic in the direction of a mirror port which if highly undesirable.<br />[[File:Inline mode.jpg|800px|Allegro in brigde mode (in-line)]]