Installation manual

Operation Manual - STP
Quidway S3000-EI Series Ethernet Switches Chapter 1
MSTP Region-configuration
Huawei Technologies Proprietary
1-14
1.2.3 Con e MSTP Running Mode
Ho
pro ode and MSTP mode. In
reg r STP packets (when
Yo configure MSTP running mode. MSTP can
ommunicate with STP. If there is STP switch in the switching network, you may
se the command to configure the current MSTP to run in STP-compatible mode,
rm the following configuration in system view.
ode
figure th
MSTP and RSTP are compatible and they can recognize the packets of each other.
wever, STP cannot recognize MSTP packets. To implement the compatibility, MSTP
vides two operation modes, STP-compatible m
STP-compatible mode, the switch sends STP packets via every port and serves as a
ion itself. In MSTP mode, the switch ports send MSTP o
connected to the STP switch) and the switch provides multiple spanning tree function.
u can use the following command to
interc
u
otherwise, configure it to run in MSTP mode.
Perfo
Table 1-5 Configure the MSTP running m
Operation Command
Configure MSTP to run in STP-compatible mode
stp mode stp
Configure MSTP to run in RSTP mode
stp mode rstp
Configure MSTP to run in MSTP mode.
stp mode mstp
Restore the default MSTP running mode
undo stp mode
Generally, if there is STP switch on the switching network, the port connected to it will
automatically transit from MSTP mode to STP-compatible mode. But the port cannot
automatically transit back to MSTP mode after the STP switch is removed.
By default, MSTP runs in MSTP mode.
1.2.4 Configure the Bridge Priority for a Switch
Whether a switch can b s the spanning tree root dep s Bridge
priority. The switch co a smaller Bridge priority is more likely to become the
r n di
Y nfigure the Br the designated
s
P m view.
able 1-6 Configure the Bridge priority for a switch
e elected a
nfigured with
ends on it
oot. An MSTP switch may have different priorities i fferent STIs.
ou can use the following command to co idge priorities of
witch in different STIs.
erform the following configuration in syste
T
Operation Command
Configure the Bridge priority of the
designated switch.
stp [ instance instance-id ]
bridge-priority priority