Operation Manual - Routing Protocol
Quidway S3500 Series Ethernet Switches Chapter 4 OSPF Configuration
Huawei Technologies Proprietary
4-26
[Switch A] ospf
[Switch A-ospf] area 0
[Switch A-ospf-area-0.0.0.0] network 196.1.1.0 0.0.0.255
# Configure Switch B:
[Switch B] interface Vlan-interface 1
[Switch B-Vlan-interface1] ip address 196.1.1.2 255.255.255.0
[Switch B-Vlan-interface1] ospf dr-priority 0
[Switch B] router id 2.2.2.2
[Switch B] ospf
[Switch B-ospf] area 0
[Switch B-ospf-area-0.0.0.0] network 196.1.1.0 0.0.0.255
# Configure Switch C:
[Switch C] interface Vlan-interface 1
[Switch C-Vlan-interface1] ip address 196.1.1.3 255.255.255.0
[Switch C-Vlan-interface1] ospf dr-priority 2
[Switch C] router id 3.3.3.3
[Switch C] ospf
[Switch C-ospf] area 0
[Switch C-ospf-area-0.0.0.0] network 196.1.1.0 0.0.0.255
# Configure Switch D:
[Switch D] interface Vlan-interface 1
[Switch D-Vlan-interface1] ip address 196.1.1.4 255.255.255.0
[Switch D] router id 4.4.4.4
[Switch D] ospf
[Switch D-ospf] area 0
[Switch D-ospf-area-0.0.0.0] network 196.1.1.0 0.0.0.255
On Switch A, run display ospf peer to display the OSPF peers. Please note that
Switch A has three peers.
The state of each peer is full, which means that adjacency is set up between Switch A
and each peer. Switch A and Switch C should set up adjacencies with all the routers on
the network so that they can serve as the DR and BDR on the network respectively.
Switch A is DR, while Switch C is BDR on the network. And all the other neighbors are
DR others (which means that they are neither DRs nor BDRs).
# Modify the priority of Switch B to 200:
[Switch B-Vlan-interface2000] ospf dr-priority 200
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