NOTE
By default, STP is enabled on a Layer 2 interface. Before adding an interface to a SEP segment,
disable STP on the interface.
# On Router1, configure GE7/0/1 as the primary edge interface and GE7/0/3 as the
secondary edge interface.
[Router1] interface gigabitethernet 7/0/1
[Router1-GigabitEthernet7/0/1] stp disable
[Router1-GigabitEthernet7/0/1] sep segment 1 edge primary
[Router1-GigabitEthernet7/0/1] quit
[Router1] interface gigabitethernet 7/0/3
[Router1-GigabitEthernet7/0/3] stp disable
[Router1-GigabitEthernet7/0/3] sep segment 1 edge secondary
[Router1-GigabitEthernet7/0/3] quit
# Configure Router2.
[Router2] interface gigabitethernet 7/0/1
[Router2-GigabitEthernet7/0/1] stp disable
[Router2-GigabitEthernet7/0/1] sep segment 1
[Router2-GigabitEthernet7/0/1] quit
[Router2] interface gigabitethernet 7/0/2
[Router2-GigabitEthernet7/0/2] stp disable
[Router2-GigabitEthernet7/0/2] sep segment 1
[Router2-GigabitEthernet7/0/2] quit
# Configure Router3.
[Router3] interface gigabitethernet 7/0/1
[Router3-GigabitEthernet7/0/1] stp disable
[Router3-GigabitEthernet7/0/1] sep segment 1
[Router3-GigabitEthernet7/0/1] quit
[Router3] interface gigabitethernet 7/0/2
[Router3-GigabitEthernet7/0/2] stp disable
[Router3-GigabitEthernet7/0/2] sep segment 1
[Router3-GigabitEthernet7/0/2] quit
# Configure Router4.
[Router4] interface gigabitethernet 7/0/1
[Router4-GigabitEthernet7/0/1] stp disable
[Router4-GigabitEthernet7/0/1] sep segment 1
[Router4-GigabitEthernet7/0/1] quit
[Router4] interface gigabitethernet 7/0/2
[Router4-GigabitEthernet7/0/2] stp disable
[Router4-GigabitEthernet7/0/2] sep segment 1
[Router4-GigabitEthernet7/0/2] quit
# Configure Router5.
[Router5] interface gigabitethernet 7/0/1
[Router5-GigabitEthernet7/0/1] stp disable
[Router5-GigabitEthernet7/0/1] sep segment 1
[Router5-GigabitEthernet7/0/1] quit
[Router5] interface gigabitethernet 7/0/3
[Router5-GigabitEthernet7/0/3] stp disable
[Router5-GigabitEthernet7/0/3] sep segment 1
[Router5-GigabitEthernet7/0/3] quit
3. Specify an interface to block.
# On Router1 where the primary edge interface is located, specify the interface with the
highest priority to block.
[Router1] sep segment 1
[Router1-sep-segment1] block port optimal
4. Set the priority of GE7/0/2 on Router3.
[Router3] interface gigabitethernet 7/0/2
[Router3-GigabitEthernet7/0/2] sep segment 1 priority 128
[Router3-GigabitEthernet7/0/2] quit
Huawei AR530&AR550 Series Industrial Switch Routers
Configuration Guide - Ethernet Switching
8 SEP Configuration
Issue 01 (2014-11-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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