LSA的TYPE
1、router LSA
1.1传播范围：在一个区域内
1.2通告者：每台路由器，每台路由器用RID来唯一标识一台路由器
1.3内容：
直连的链路信息-->拓扑信息
网络前缀-->路由信息
Link ID ADV router
LSA1 RID RID
R2#show ip ospf database router
OSPF Router with ID (92.2.2.2) (Process ID 110)
Router Link States (Area 0)
LS age: 435
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 91.1.1.1
Advertising Router: 91.1.1.1
LS Seq Number: 80000002
Checksum: 0x5AF7
Length: 60
Number of Links: 3
Link connected to: a Stub Network//路由信息
(Link ID) Network/subnet number: 1.1.1.1
(Link Data) Network Mask: 255.255.255.255
Number of TOS metrics: 0
TOS 0 Metrics: 1
Link connected to: another Router (point-to-point)//拓扑信息
(Link ID) Neighboring Router ID: 92.2.2.2
(Link Data) Router Interface address: 12.1.1.1
Number of TOS metrics: 0
TOS 0 Metrics: 64
Link connected to: a Stub Network//路由信息
(Link ID) Network/subnet number: 12.1.1.0
(Link Data) Network Mask: 255.255.255.0
Number of TOS metrics: 0
TOS 0 Metrics: 64
LS age: 436
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 92.2.2.2
Advertising Router: 92.2.2.2
LS Seq Number: 80000001
Checksum: 0xF950
Length: 60
Number of Links: 3
Link connected to: a Stub Network
(Link ID) Network/subnet number: 2.2.2.2
(Link Data) Network Mask: 255.255.255.255
Number of TOS metrics: 0
TOS 0 Metrics: 1
Link connected to: another Router (point-to-point)
(Link ID) Neighboring Router ID: 91.1.1.1
(Link Data) Router Interface address: 12.1.1.2
Number of TOS metrics: 0
TOS 0 Metrics: 64
Link connected to: a Stub Network
(Link ID) Network/subnet number: 12.1.1.0
(Link Data) Network Mask: 255.255.255.0
Number of TOS metrics: 0
TOS 0 Metrics: 64
2、LSA2 Network LSA,只有在MA网络类型才可以出现
2.1传播范围：在一个区域内
2.2通告者：DR
2.3内容：MA网络以后多少台路由器 -->拓扑信息
前缀，掩码信息-->路由信息
原文：http://867645.blog.51cto.com/857645/1377302