Alcatel-Lucent OmniSwitch 6850-48 - Spanning Tree Bridge Parameter Defaults; Spanning Tree Port Parameter Defaults

Spanning Tree Bridge Parameter Defaults Configuring Spanning Tree Parameters
page 13-4 OmniSwitch AOS Release 6 Network Configuration Guide September 2009
Spanning Tree Bridge Parameter Defaults
Spanning Tree Port Parameter Defaults
Parameter Description Command Default
Spanning Tree operating mode bridge mode 1x1 (a separate Spanning Tree
instance for each VLAN)
PVST+ status bridge mode 1x1 pvst+ Disabled
Spanning Tree protocol bridge protocol RSTP (802.1w)
BPDU switching status bridge bpdu-switching Disabled
Priority value for the Spanning
Tree instance
bridge priority 32768
Hello time interval between each
BPDU transmission
bridge hello time 2 seconds
Maximum aging time allowed
for Spanning Tree information
learned from the network
bridge max age 20 seconds
Spanning Tree port state transi-
tion time
bridge forward delay 15 seconds
Automatic VLAN Containment bridge auto-vlan-containment Disabled
Parameter Description Command Default
Spanning Tree port administrative state bridge slot/port Enabled
Spanning Tree port priority value bridge slot/port priority 7
Spanning Tree port path cost bridge slot/port path cost 0 (cost is based on port speed)
Path cost mode bridge path cost mode Auto (16-bit in 1x1 mode and
STP or RSTP flat mode, 32-bit
in MSTP flat mode)
Port state management mode bridge slot/port mode Dynamic (Spanning Tree Algo-
rithm determines port state)
Type of port connection bridge slot/port connection auto point to point
Type of BPDU to be used on a port when
1X1 PVST+ mode is enabled
bridge port pvst+ auto (IEEE BPDUs are used
until a PVST+ BPDU is
detected)