3.3 OSPF特性

3.OSPF silent-interface静默端口

[R1]rip 1
[R1-rip-1]version 2
[R1-rip-1]network 1.1.1.1 0.0.0.0
[R1-rip-1]network 123.0.0.0 

[R2]rip 1
[R2-rip-1]version 2
[R2-rip-1]network 123.0.0.0 
[R2-rip-1]import-route ospf 

[R2]ospf 1 router-id 2.2.2.2
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
[R2-ospf-1-area-0.0.0.0]network 123.0.0.0 0.255.255.255 
[R2-ospf-1]import-route rip 1

[R3]ospf 1 router-id 3.3.3.3
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0
[R3-ospf-1-area-0.0.0.0]network 123.0.0.0 0.255.255.255 
[R3-ospf-1-area-0.0.0.0]network 34.0.0.0 0.255.255.255 

[R4]ospf 1 router-id 4.4.4.4
[R4-ospf-1]area 0
[R4-ospf-1-area-0.0.0.0]network 4.4.4.4 0.0.0.0
[R3-ospf-1-area-0.0.0.0]network 34.0.0.0 0.255.255.255 

[R2-ospf-1-area-0.0.0.0]display  ospf lsdb ase 1.1.1.1
  Type      : External
  Ls id     : 1.1.1.1
  Adv rtr   : 2.2.2.2  
  Ls age    : 57 
  Len       : 36 
  Options   :  E  
  seq#      : 80000002 
  chksum    : 0x83d
  Net mask  : 255.255.255.255 
  TOS 0  Metric: 1 
  E type    : 2
  Forwarding Address : 123.1.1.1 

<R3>display ip routing-table protocol ospf 
Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface
1.1.1.1/32  O_ASE   150  1           D   123.1.1.1       GigabitEthernet0/0/0
2.2.2.2/32  OSPF    10   1           D   123.1.1.2       GigabitEthernet0/0/0
4.4.4.4/32  OSPF    10   1           D   34.1.1.4        GigabitEthernet0/0/1
GigabitEthernet 0/0/2接口配置为静默接口将禁止接收hello报文
[R2-ospf-1]silent-interface GigabitEthernet 0/0/2
[R2-ospf-1]display ospf lsdb ase 1.1.1.1         
  Type      : External
  Ls id     : 1.1.1.1
  Adv rtr   : 2.2.2.2  
  Ls age    : 30 
  Len       : 36 
  Options   :  E  
  seq#      : 8000000b 
  chksum    : 0x803a
  Net mask  : 255.255.255.255 
  TOS 0  Metric: 1 
  E type    : 2
  Forwarding Address : 0.0.0.0 
  Tag       : 1 
  Priority  : Low
<R3>display ip routing-table protocol ospf
Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface
4.4.4.4/32  OSPF    10   1           D   34.1.1.4        GigabitEthernet0/0/1

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