Hirschmann GREYHOUND GRS1020, Reference Manual

Page: 208 / 619

Switching
[ Switching > L2-Redundancy > Spanning Tree > Global ]
207
RM GUI GRS
Release 8.0 09/2019
Possible values:

<Bridge priority> / <MAC address>
Priority
Displays the bridge priority of the current root bridge.
Possible values:

0..61440 in steps of 4096
Hello time [s]
Displays the time in seconds that the root bridge specifies between the sending of two configuration
messages (Hello data packets).
Possible values:

1..2
The device uses this specified value. See the Bridge configuration frame.
Forward delay [s]
Specifies the delay time in seconds set up by the root bridge for status changes.
Possible values:

4..30
The device uses this specified value. See the Bridge configuration frame.
In the RSTP protocol, the bridges negotiate a status change without a specified delay.
The Spanning Tree protocol uses the parameter to delay the status change between the statuses
disabled , discarding , learning , forwarding .
Max age
Specifies the maximum permitted branch length that the root bridge sets up for example, the
number of devices to the root bridge.
Possible values:

6..40 (default setting: 20 )
The Spanning Tree protocol uses the parameter to specify the validity of STP-BPDUs in seconds.
Topology information
Bridge is root
Displays if the device currently has the role of the root bridge.