GVHD: Nguy Ng  Bài Báo Cáo
SVTH: Phạm Văn Dũng _12201036_C12QM13 Page 1

MỤC LỤC
1 LSA 4
1.1 Gii Thiu V OSPF 4
1.2 Metric Ca OSPF 4
ng Ca OSPF 4
1.4 Các Gói Ca OSPF 4
1.5 Multi-Area 4
1.6 Nguyên Tc Hong Cáu OSPF 5
c V LSA 6
1.8 Hong Ca LSA 6
1.9 Các Lop LSA 7
1.9.1 Type 1. Router LSA 7
1.9.2 Type 2. Network LSA 11
1.9.3 Type 3. Summary Network 13
1.9.4 Type 4 & Type 5 16
1.9.5 Type 6. Group Membership 23
1.9.6 Type 7. NSSA 25
1.10 Quá Trình Chn DR Và BDR 29
1.11 Router ID 30
1.12 Link State 30
1.13 Mô Hình 31
1.14 Các Type ca OSPF 31
1.14.1 R1 31
1.14.2 R2 32
1.14.3 R3 32

GVHD: Nguy Ng  Bài Báo Cáo
SVTH: Phạm Văn Dũng _12201036_C12QM13 Page 3

2.6 OSPF Broadcast Network 53
2.7 Designated Router and Backup Designated Router 55
2.8 Election Of DR/BDR 56
2.9 Point-To-Multipoint 57
2.10 ng Truyn D 58
2.11 Mo Hình 59
2.12 Config 59
2.12.1 R1 59
2.12.2 R2 62
2.12.3 R3 65
2.12.4 R4 67
2.12.5 R5 70

GVHD: Nguy Ng  Bài Báo Cáo
SVTH: Phạm Văn Dũng _12201036_C12QM13 Page 4


1 LSA
1.1 Giới Thiệu Về OSPF
   -

-

gous network)

 thông




 

+ 
* 




  


-
database cho router. Các ro


+ 

* 
* 
 5.
1.6 Nguyên Tắc Hoạt Động Cáu OSPF

State Update và Link State Acknowledge.
- 
- Database 



-
- rea sau


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1.9 Các Loại Thông Điệp LSA
1.9.1 Type 1. Router LSA
 
point-to-point.

+Type 1 rong

                 
         ID Link- -1
    
-LSA.

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SVTH: Phạm Văn Dũng _12201036_C12QM13 Page 10   RT3:

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  - -  RT2:
1.9.2 Type 2. Network LSA


 
  Type


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khi cho Type-4 LSA, ID Link-
GVHD: Nguy Ng  Bài Báo Cáo
SVTH: Phạm Văn Dũng _12201036_C12QM13 Page 14 +  Summary-LSA

+ Type-3 Network-Summary-
 

 

 -

 

+ Lưu ý: --


-
 các tuyến đường kết nốivà các tuyến đường nội bộ khu vực 

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

-
 kết nối các tuyến đường, các tuyến đường nội bộ khu vực, và các tuyến
đường liên khu vực .

 Type-
 Khi
-     
 ID Link--

Lưu ý : 
Không có Type-4 và Type 5 LSA khi không có      
OSPF.
-5 LSA


-5 LSA 
GVHD: Nguy Ng  Bài Báo Cáo
SVTH: Phạm Văn Dũng _12201036_C12QM13 Page 18
+ -External-LSA:

+-External-

GVHD: Nguy Ng  Bài Báo Cáo
SVTH: Phạm Văn Dũng _12201036_C12QM13 Page 19


-4
ASBR-Summary-

 



+  
RT3: GVHD: Nguy Ng  Bài Báo Cáo
SVTH: Phạm Văn Dũng _12201036_C12QM13 Page 22

+Bên ngoài Type-
 -


+Các số liệu về phía trước 
 Các show ip ospf br-router 

+Lưu ý: 
 E2.
+ 
GVHD: Nguy Ng  Bài Báo Cáo
SVTH: Phạm Văn Dũng _12201036_C12QM13 Page 23 1.9.5 Type 6. Group Membership


         
 


ông multicast.  
 


          bao

- thành viên nhómLSA - 
                 
 
 
              
nhóm.         

 
 
   
-  cây , . 
 - 
 
 

GVHD: Nguy Ng  Bài Báo Cáo
SVTH: Phạm Văn Dũng _12201036_C12QM13 Page 25

++   khu
vực    trên
   
 


  