Allied Telesis AT-DC2552XS - Manual (Page 344)

Chapter 14: STP Commands
344 Section II: Layer 2 Switching
SHOW SPANNING-TREE
Syntax
show spanning-tree [interface port_ids ]
Parameter
port_ids
Specifies a port ID or multiple port IDs. Use a comma (,) to
separate port IDs and a hyphen (-) to indicate a range of port IDs.
Modes
Privileged Exec mode
Description
Use this command to display the STP settings on the switch. See
Figure 59 for an example of the display.
Figure 59. SHOW SPANNING-TREE Command
% Default: Bridge up - Spanning Tree Enabled
% Default: Bridge Priority 32768
% Default: Forward Delay 15 - Hello Time 2 - Max Age 20
% Default: Root Id 8000001477000000
% Default: Bridge Id 8000001477000000
% Default: portfast bpdu-guard disabled
% Default: portfast errdisable timeout disabled
% Default: portfast errdisable timeout interval 300 sec
%
port1.0.1: Port Id 8101 - Role Designated - State Forwarding
% port1.0.1: Designated Path Cost 0
% port1.0.1: Configured Path Cost 2000 - Add type Explicit ref count 1
% port1.0.1: Designated Port Id 8101 - Priority 128 -
% port1.0.1: Root 8000001477000000
% port1.0.1: Designated Bridge 8000001477000000
% port1.0.1: Message Age 0 - Max Age 20
% port1.0.1: Hello Time 2 - Forward Delay 15
% port1.0.1: Forward Timer 0 - Msg Age Timer 0 - Hello Timer 2 - topo
change timer 0
%
port1.0.1: Version Spanning Tree Protocol
% port1.0.1: No portfast configured - Current portfast off
% port1.0.1: portfast bpdu-guard default - Current portfast bpdu-guard
off
%
port1.0.1: no loopguard configured
% port1.0.1: Configured Link Type auto
. . .