Huawei quidway s7700 - Page 562

NOTE
By default, STP is enabled on a Layer 2 interface. Before adding an interface to the SEP segment,
disable STP on the interface.
# Configure LSW1.
[LSW1] interface gigabitethernet 1/0/1
[LSW1-GigabitEthernet1/0/1] sep segment 1 edge no-neighbor primary
[LSW1-GigabitEthernet1/0/1] quit
[LSW1] interface gigabitethernet 1/0/2
[LSW1-GigabitEthernet1/0/2] stp disable
[LSW1-GigabitEthernet1/0/2] sep segment 1
[LSW1-GigabitEthernet1/0/2] quit
# Configure LSW2.
[LSW2] interface gigabitethernet 1/0/1
[LSW2-GigabitEthernet1/0/1] sep segment 1 edge no-neighbor secondary
[LSW2-GigabitEthernet1/0/1] quit
[LSW2] interface gigabitethernet 1/0/2
[LSW2-GigabitEthernet1/0/2] stp disable
[LSW2-GigabitEthernet1/0/2] sep segment 1
[LSW2-GigabitEthernet1/0/2] quit
# Configure LSW3.
[LSW3] interface gigabitethernet 1/0/1
[LSW3-GigabitEthernet1/0/1] stp disable
[LSW3-GigabitEthernet1/0/1] sep segment 1
[LSW3-GigabitEthernet1/0/1] quit
[LSW3] interface gigabitethernet 1/0/2
[LSW3-GigabitEthernet1/0/2] stp disable
[LSW3-GigabitEthernet1/0/2] sep segment 1
[LSW3-GigabitEthernet1/0/2] quit
3. Specify the port to block.
# On LSW1 where the no-neighbor primary edge port of SEP segment 1 is located, specify
the port in the middle of the SEP segment as the port to block.
[LSW1] sep segment 1
[LSW1-sep-segment1] block port middle
4. Configure the preemption mode.
# Configure the manual preemption mode on LSW1.
[LSW1-sep-segment1] preempt maunal
5. Configure the topology change notification function.
# Configure SEP segment 1 to notify the MSTP network of topology changes.
# Configure LSW1.
[LSW1-sep-segment1] tc-notify stp
[LSW1-sep-segment1] quit
# Configure LSW2.
[LSW2] sep segment 1
[LSW2-sep-segment1] tc-notify stp
[LSW2-sep-segment1] quit
Step 2 Configure basic MSTP functions.
1. Configure an MST region
# Configure PE1.
<Quidway> system-view
[Quidway] sysname PE1
[PE1] stp region-configuration
[PE1-mst-region] region-name RG1
[PE1-mst-region] active region-configuration
[PE1-mst-region] quit
Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet 10 SEP Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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