:)

Spanning Tree

3

Spanning Tree (STP) . , STP OSI (L2). :

?

3 Spanning Tree. :

  1. (root port)
  2. (designated port)
  3. ( )

, Spanning Tree:

  • - , . , . BPDU .
BPDU (Bridge Protocol Data Unit) , (root) STP (Spanning Tree Protocol).
  • , BPDU.
  • MAC .
  • , BPDU MAC - .
  • .
STP
  1. (root) .
  2. (root) .
  3. (designated) .
  4. STP.

(ID) . (switch ID) : .

  1. .
  2. MAC

: 24577.00:00:00:00:00:01 / . MAC

, . , MAC .

. , .

:

  1. .
  2. .

, - .

  1. () .
  2. ( ).

, (Bridge ID), (Port ID).

.

Spanning Tree:

Spanning Tree

Spanning Tree

Spanning Tree

?

: