Preparation For Configuration; Default Configurations Of Stp; Figure 2-13 Failure In Forwarding Vlan Packets Due To Rstp - Raisecom ISCOM2600G-HI (A) Series Configuration Manual

Raisecom
ISCOM2600G-HI (A) Series Configuration Guide

Figure 2-13 Failure in forwarding VLAN packets due to RSTP

2.6.2 Preparation for configuration

Networking situation
In a big LAN, multiple devices are concatenated for accessing each other among hosts. They
need to be enabled with STP to avoid loop among them, MAC address learning fault, and
broadcast storm and network down caused by quick copy and transmission of data frame. STP
calculation can block one interface in a broken loop and ensure that there is only one path
from data flow to the destination host, which is also the best path.
Preconditions
N/A

2.6.3 Default configurations of STP

Default configurations of STP are as below.
Global STP status
Interface STP status
STP priority of device
STP priority of interface
Path cost of interface
Max Age timer
Hello Time timer
Function
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2 Ethernet
Default value
Disable
Enable
32768
128
0
20s
2s
90