Exp-computer PathBuilder S200 Instrukcja Użytkownika Pobierz pdf (Strona 92)

88 Bridging

Spanning Tree Protocol Entity (STPE)

Tips on Spanning

Tree

Determining a spanning tree in order to set up a manual tree may seem more labor

intensive than letting the bridge network determine the tree by algorithm. However,

even with automatic spanning tree determination, you must study the possible

arrangements of resulting trees and assign the bridge priorities accordingly to avoid

unreasonable performance due to long data paths.

In fact, this responsibility points out a major disadvantage of using a bridge network

in a mesh topology instead of a router. The spanning tree protocol does not allow the

bridges to determine optimal paths and to route frames along them. Trying to handle

this task manually by configuring bridges and bridge links quickly becomes

unwieldy as soon as additional loops are possible and one tries to maintain optimal

traffic routing when faced with a variety of possible link or bridge failures.

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Exp-computer PathBuilder S200 Instrukcja Użytkownika Strona 92