Huawei S1720 Series Configuration Guide

[Switch B] interface vlanif 10
[Switch B-Vlanif10] ospfv3 dr-priority 0
[Switch B-Vlanif10] quit
# Configure the DR priority of Switch C to 2.
[Switch C] interface vlanif 10
[Switch C-Vlanif10] ospfv3 dr-priority 2
[Switch C-Vlanif10] quit
# View the neighbors of Switch A, and you can see that the other DR priority is updated but the
DR and BDR are unchanged.
[Switch A] display ospfv3 peer
OSPFv3 Process (1)
OSPFv3 Area (0.0.0.0)
Neighbor ID Pri State Dead Time Interface Instance ID
2.2.2.2 0 2-Way/DROther 00:00:34 Vlanif10 0
3.3.3.3 2 Full/Backup 00:00:38 Vlanif10 0
4.4.4.4 1 Full/DR 00:00:31 Vlanif10 0
# View the neighbors of Switch D, and you can see that the other DR priority is updated.
[Switch D] display ospfv3 peer
OSPFv3 Process (1)
OSPFv3 Area (0.0.0.0)
Neighbor ID Pri State Dead Time Interface Instance ID
1.1.1.1 100 Full/DROther 00:00:36 Vlanif10 0
2.2.2.2 0 Full/DROther 00:00:30 Vlanif10 0
3.3.3.3 2 Full/Backup 00:00:36 Vlanif10 0
Step 5 Perform DR/BDR election again.
# Restart all Switches (or run the shutdown and undo shutdown commands on the VLANIF
interface that establishes the OSPFv3 neighbor relationship) to re-elect the DR and BDR.
Step 6 Verify the configuration.
# View the neighbors of Switch A, and you can see that Switch C is the BDR.
[Switch A] display ospfv3 peer
OSPFv3 Process (1)
OSPFv3 Area (0.0.0.0)
Neighbor ID Pri State Dead Time Interface Instance ID
2.2.2.2 0 Full/DROther 00:00:31 Vlanif10 0
3.3.3.3 2 Full/Backup 00:00:36 Vlanif10 0
4.4.4.4 1 Full/DROther 00:00:39 Vlanif10 0
# View the neighbors of Switch D, and you can see that Switch A is the DR.
[Switch D] display ospfv3 peer
OSPFv3 Process (1)
OSPFv3 Area (0.0.0.0)
Neighbor ID Pri State Dead Time Interface Instance ID
1.1.1.1 100 Full/DR 00:00:39 Vlanif10 0
2.2.2.2 0 2-Way/DROther 00:00:35 Vlanif10 0
3.3.3.3 2 Full/Backup 00:00:39 Vlanif10 0
----End
Configuration Files
l Configuration file of Switch A
S6700 Series Ethernet Switches
Configuration Guide - IP Routing 5 OSPFv3 Configuration
Issue 01 (2012-03-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Huawei S1720 Series Specifications

General

Operating Humidity	5% to 95% (non-condensing)
Uplink Ports	4 x GE combo ports
VLANs	4094
Power Supply	AC 100-240V, 50/60Hz
Layer 2 Features	VLAN
Layer 3 Features	Static routing
Management	SNMP
Operating Temperature	0°C to 45°C
Storage Temperature	-40°C to +70°C
Dimensions (W x D x H)	442 mm x 220 mm x 43.6 mm