Allied-telesis AT-S21 Bedienungsanleitung PDF herunterladen (Seite 83)

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Several configuration parameters control the operation of the

Spanning Tree Protocol. Table A-1 describes the parameters and lists

each parameter’s default settings for the switch. The port numbers

include the twenty-four 10Base-T or 100Base-TX ports.

Table A-1

Spanning Tree Protocol Parameters

Parameter and Description Default

Bridge Group Address

Unique MAC group address, recognized by all

bridges in the network

N/A

Bridge Identifier

Identifier for each bridge, consisting of two

parts: a 16-bit bridge priority and a 48-bit

network adapter address. Ports are numbered

in absolute numbers; from 1-

for a multi-port

switch including optional expansion ports, if

any. The network adapter address is the same

address as the first port of the bridge.

32768

(bridge priority)

Port Priority 128

Port Cost

The spanning tree algorithm calculates and

ensures that an active topology generates

minimal path costs.

100 for 10 Mbps ports

10 for 100 Mbps ports

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