3com S7906E Manuel De Montage

 

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[SwitchD-ospf-1-area-0.0.0.0] quit 

[SwitchD-ospf-1] return 

# Display OSPF neighbor information on Switch A. 

[SwitchA] display ospf peer verbose 

 

          OSPF Process 1 with Router ID 1.1.1.1 

                  Neighbors 

 

 Area 0.0.0.0 interface 192.168.1.1(Vlan-interface1)'s neighbors 

 Router ID: 2.2.2.2          Address: 192.168.1.2      GR State: Normal 

   State: 2-Way  Mode: None  Priority: 1 

   DR: 192.168.1.4  BDR: 192.168.1.3  MTU: 0 

   Dead timer due in 38  sec 

   Neighbor is up for 00:01:31 

   Authentication Sequence: [ 0 ] 

 

 Router ID: 3.3.3.3          Address: 192.168.1.3      GR State: Normal 

   State: Full  Mode: Nbr is Master  Priority: 1 

   DR: 192.168.1.4  BDR: 192.168.1.3  MTU: 0 

   Dead timer due in 31  sec 

   Neighbor is up for 00:01:28 

   Authentication Sequence: [ 0 ] 

 

 Router ID: 4.4.4.4          Address: 192.168.1.4      GR State: Normal 

   State: Full  Mode: Nbr is Master  Priority: 1 

   DR: 192.168.1.4  BDR: 192.168.1.3  MTU: 0 

   Dead timer due in 31  sec 

   Neighbor is up for 00:01:28 

   Authentication Sequence: [ 0 ] 

Switch D becomes the DR, and Switch C is the BDR. 

3)  Configure router priorities on interfaces 

# 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-interface] quit 

# Display neighbor information on Switch D. 

<SwitchD> display ospf peer verbose