Allied Telesis AT-S24 - Manual (Page 157)

AT-S24 Version 2.01 User’s Guide
157
Spanning Tree Protocol Parameters
Several configuration parameters control the operation of the Spanning
Tree Protocol. Table 8 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 8 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-n 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