Spanning tree protocol parameters – Allied Telesis AT-S26 User Manual
Page 147

AT-S26 Version 2.0.1 User’s Guide
147
Spanning Tree Protocol Parameters
Several configuration parameters control the operation of the
Spanning Tree Protocol. Table 6 describes the parameters and lists
each parameter default settings for the switch.
Table 6 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.
1 for 1000 Mbps
(Gigabit) ports