S1700 Managed Series Ethernet Switches 
Web User Manual 
Huawei Proprietary and Confidential           
Copyright © Huawei Technologies Co., Ltd. 
 
Figure 5-26 STP Information   
 
Table 5-15 Parameters of STP Information   
ID of CIST Bridge consists of priority value of CIST instance and 
MAC address of switch. 
Parameter set of timer on device. 
CIST root bridge/external root path cost 
CIST RegRoot /internal root path cost 
Interface number of CIST root 
When BPDU Protection  is  enabled,  the  switch will close these 
ports and notify the network management system at the same time 
if the edge port receives a BPDU. The shut-down port can only be 
restored manually by network manager. 
The durative period after the spanning tree was configured last 
time. 
Cost value of device path. 
Interface number for instance operation.