H3C Technologies H3C S12500 Series Switches User Manual

Page 131

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# Configure Switch A.

[SwitchA] interface vlan-interface 1

[SwitchA-Vlan-interface1] ospf dr-priority 100

[SwitchA-Vlan-interface1] quit

# Configure Switch B.

[SwitchB] interface vlan-interface 1

[SwitchB-Vlan-interface1] ospf dr-priority 0

[SwitchB-Vlan-interface1] quit

# Configure Switch C.

[SwitchC] interface vlan-interface 1

[SwitchC-Vlan-interface1] ospf dr-priority 2

[SwitchC-Vlan-interface1] quit

# Display neighbor information on Switch D.

[SwitchD] display ospf peer verbose

OSPF Process 1 with Router ID 4.4.4.4

Neighbors

Area 0.0.0.0 interface 192.168.1.4(Vlan-interface1)'s neighbors

Router ID: 1.1.1.1 Address: 192.168.1.1 GR State: Normal

State: Full Mode:Nbr is Slave Priority: 100

DR: 192.168.1.4 BDR: 192.168.1.3 MTU: 0

Dead timer due in 31 sec

Neighbor is up for 00:11:17

Authentication Sequence: [ 0 ]

Router ID: 2.2.2.2 Address: 192.168.1.2 GR State: Normal

State: Full Mode:Nbr is Slave Priority: 0

DR: 192.168.1.4 BDR: 192.168.1.3 MTU: 0

Dead timer due in 35 sec

Neighbor is up for 00:11:19

Authentication Sequence: [ 0 ]

Router ID: 3.3.3.3 Address: 192.168.1.3 GR State: Normal

State: Full Mode:Nbr is Slave Priority: 2

DR: 192.168.1.4 BDR: 192.168.1.3 MTU: 0

Dead timer due in 33 sec

Neighbor is up for 00:11:15

Authentication Sequence: [ 0 ]

The DR and BDR are not changed, because the priority settings do not take effect immediately.

4.

Restart OSPF process:
# Restart the OSPF process of Switch D.

<SwitchD> reset ospf 1 process

Warning : Reset OSPF process? [Y/N]:y

# Display neighbor information on Switch D.

<SwitchD> display ospf peer verbose

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