H3C S5120-SI Series

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To do... Use the command... Remarks
Enter system view
system-view
—
Enter Ethernet
interface view,
or Layer 2
aggregate
interface view
interface interface-type
interface-number
Enter
interface or
port group
view
Enter port
group view
port-group manual
port-group-name
Required
Use either command.
Configurations made in interface
view will take effect on the current
port only; configurations made in
port group view will take effect on
all ports in the port group.
Enable No Agreement Check
stp no-agreement-check
Required
Not enabled by default
To make the No Agreement Check feature take effect, enable it on the root port.
Configuration Example
Network requirements
z Device A connects to a third-party’s device that has different MSTP implementation. Both devices
are in the same region.
z Another vendor’s device is the regional root bridge, and Device A is the downstream device.
Figure 1-11 No Agreement Check configuration
Configuration procedure
# Enable No Agreement Check on GigabitEthernet 1/0/1 of Device A.
<DeviceA> system-view
[DeviceA] interface gigabitethernet 1/0/1
[DeviceA-GigabitEthernet1/0/1] stp no-agreement-check
Configuring Protection Functions
An MSTP-enabled device supports the following protection functions:
z BPDU guard
z Root guard
z Loop guard
z TC-BPDU guard