3com S7906E Manuel De Montage

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   DR: 192.168.1.1  BDR: 192.168.1.3  MTU: 0 
   Dead timer due in 39  sec 
   Neighbor is up for 00:01:40 
   Authentication Sequence: [ 0 ] 
 
 Router ID: 2.2.2.2          Address: 192.168.1.2      GR State: Normal 
   State: 2-Way  Mode: None  Priority: 0 
   DR: 192.168.1.1  BDR: 192.168.1.3  MTU: 0 
   Dead timer due in 35  sec 
   Neighbor is up for 00:01:44 
   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: 192.168.1.1  BDR: 192.168.1.3  MTU: 0 
   Dead timer due in 39  sec 
   Neighbor is up for 00:01:41 
   Authentication Sequence: [ 0 ] 
Switch A becomes the DR, and Switch C is the BDR. 
 
  
If the neighbor state is full, it means Switch D has established the adjacency with the neighbor. If the 
neighbor state is 2-way, it means the two switches are neither the DR nor the BDR, and they do not 
exchange LSAs. 
 
# Display OSPF interface information. 
[SwitchA] display ospf interface 
 
          OSPF Process 1 with Router ID 1.1.1.1 
                  Interfaces 
 
 Area: 0.0.0.0 
 IP Address      Type      State   Cost  Pri   DR             BDR 
 192.168.1.1     Broadcast DR      1     100   192.168.1.1    192.168.1.3 
 
[SwitchB] display ospf interface 
 
          OSPF Process 1 with Router ID 2.2.2.2 
                  Interfaces 
 
 Area: 0.0.0.0 
 IP Address      Type      State    Cost  Pri   DR            BDR 
 192.168.1.2     Broadcast DROther  1     0     192.168.1.1   192.168.1.3