RUGGEDCOM ROS
User Guide
Chapter 5
Setup and Configuration
Viewing Global Statistics for STP
157
Figure 99: Bridge RSTP Statistics Form
This table displays the following information:
Parameter
Description
Bridge Status
Synopsis:
{ , Designated Bridge, Not Designated For Any LAN, Root Bridge }
Spanning Tree status of the bridge. The status may be root or designated. This field may
show text saying not designated for any LAN if the bridge is not designated for any of its
ports.
Bridge ID
Synopsis:
$$ / ##-##-##-##-##-## where $$ is 0 to 65535, ## is 0 to FF
Bridge Identifier of this bridge.
Root ID
Synopsis:
$$ / ##-##-##-##-##-## where $$ is 0 to 65535, ## is 0 to FF
Bridge Identifier of the root bridge.
Root Port
Synopsis:
1 to maximum port number or { <empty string> }
If the bridge is designated, this is the port that provides connectivity towards the root bridge
of the network.
Root Path Cost
Synopsis:
0 to 4294967295
Total cost of the path to the root bridge composed of the sum of the costs of each link in the
path. If custom costs have not been configured. 1Gbps ports will contribute 4, 100 Mbps
ports will contribute 19 and 10 Mbps ports will contribute a cost of 100 to this figure.
For the CIST instance of MSTP, this is an external root path cost, which is the cost of the
path from the IST root (i.e. regional root) bridge to the CST root (i.e. network "global" root)
bridge.
Configured Hello Time
Synopsis:
0 to 65535
The configured Hello time from the Bridge RSTP Parameters menu.
Learned Hello Time
Synopsis:
0 to 65535
The actual Hello time provided by the root bridge as learned in configuration messages.
This time is used in designated bridges.
Configured Forward Delay
Synopsis:
0 to 65535
The configured Forward Delay time from the Bridge RSTP Parameters menu.
