Configuring Root Protection On An Interface; Configuring Loop Protection On The S9300 - Huawei Quidway S9300 Configuration Manual

Quidway S9300 Terabit Routing Switch
Configuration Guide - Ethernet
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
stp bpdu-protection
BPDU protection is configured on the S9300.
The edge port is a port that is directly connected to terminals. If the S9300 has an edge port, you
need to configure BPDU protection on the S9300 to prevent network flapping.
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8.5.3 Configuring Root Protection on an Interface

Context
Do as follows on the S9300 functioning as the root switch in the MST region.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run either of the following commands as required.
l
l
Step 3 Run:
stp bpdu-protection
Root protection is configured on the interface.
After root protection is configured on a port, the interface sets the state of itself to Discarding
to protect the root port when receiving a PBDU with a higher priority.
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8.5.4 Configuring Loop Protection on the S9300

Issue 03 (2009-08-20)
NOTE
Root protection is a function implemented on a designated port. Root protection takes effect only when a
port functions as a designated port in all MSTIs. Root protection does not take effect when you configure
this function on other types of ports.
Run:
interface interface-type interface-number
The Ethernet interface view is displayed.
Run:
interface eth-trunk trunk-id
The Eth-Trunk interface view is displayed.
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8 MSTP Configuration
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