Configuring Root Bridge; Stp-Related Standards - H3C S3100 8C SI Operation Manual

Operation Manual – MSTP
H3C S3100 Series Ethernet Switches
Root bridge hold
Root bridge backup
Root guard
BPDU guard
Loop guard
TC-BPDU attack guard
BPDU packet drop

1.2.5 STP-related Standards

STP-related standards include the following.
IEEE 802.1D: spanning tree protocol
IEEE 802.1w: rapid spanning tree protocol
IEEE 802.1s: multiple spanning tree protocol

1.3 Configuring Root Bridge

Table 1-7
Table 1-7 Configure a root bridge
Enable MSTP
Configure an MST region
Specify the current switch
as a root
bridge/secondary root
bridge
Configure the bridge
priority of the current
switch
lists the tasks to configure a root bridge.
Operation
Required
To prevent network
topology jitter caused by
other related
configurations, you are
recommended to enable
MSTP after other related
configurations are
performed.
Required
Required
Optional
The priority of a switch
cannot be changed after
the switch is specified as
the root bridge or a
secondary root bridge.
Description
1-18
Chapter 1 MSTP Configuration
Related section
Section 1.3.14 "Enabling
MSTP"
Section 1.3.2
"Configuring an MST
Region"
Section 1.3.3 "Specifying
the Current Switch as a
Root Bridge/Secondary
Root Bridge"
Section 1.3.4
"Configuring the Bridge
Priority of the Current
Switch"