error-disabled state, and will be removed from the active 
topology. 
• Port Error Recovery 
Control whether a port in the error-disabled state automatically 
will be enabled after a certain time. If recovery is not enabled, 
ports have to be disabled and re-enabled for normal STP 
operation. The condition is also cleared by a system reboot. 
• Port Error Recovery 
Timeout 
The time that has to pass before a port in the error-disabled 
state can be enabled. Valid values are between 30 and 86400 
seconds (24 hours). 
 
 
The Gigabit Ethernet Switch implement the Rapid Spanning Protocol as the 
default spanning tree protocol. While select “Compatibles” mode, the system 
use the RSTP (802.1w) to compatible and co work with another STP (802.1d)’s 
BPDU control packets. 
 
Buttons 
: Click to save changes. 
: Click to undo any changes made locally and revert to previously saved values. 
 
 
4.7.3 Bridge Status 
This page provides a status overview for all STP bridge instances. 
The displayed table contains a row for each STP bridge instance, where the column displays the 
following information: The Bridge Status screen in Figure 4-7-8 appears. 
 
Figure 4-7-8: STP Bridge Status page screenshot 
 
The page includes the following fields: 
Object  Description 
• MSTI 
The Bridge Instance. This is also a link to the STP Detailed Bridge 
Status.