组网需求
- R1、R2、R3和R4运行OSPFv3路由协议,且均部署在骨干区域
- 网络稳定后,查看R2的LSDB,可以看到Router-LSA(Type 1)、Network-LSA(Type 2)、Link-LSA(Type 8)和Intra-Area-Prefix-LSA(Type 9)
组网拓扑
配置思路
- 配置路由器使能IPv6功能,各个接口使能IPv6功能并配置全局单播地址
- 配置OSPFv3路由协议,并指定Router-ID
- 接口使能OSPFv3路由协议并指定区域号
- 查看各种LSA
配置命令
配置路由器使能IPv6功能,各个接口使能IPv6功能并配置全局单播地址
R1 配置
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8sys
sys R1
ipv6
int g0/0/0
ipv6 enable
ipv6 address auto link-local
ipv6 address 2001:db8:2345:12::1/64
R2 配置
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13sys
sys R2
ipv6
int g0/0/0
ipv6 enable
ipv6 address auto link-local
ipv6 address 2001:db8:2345:12::2/64
int g0/0/1
ipv6 enable
ipv6 address auto link-local
ipv6 address 2001:db8:2345:23::2/64
R3 配置
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sys R3
ipv6
int g0/0/0
ipv6 enable
ipv6 address auto link-local
ipv6 address 2001:db8:2345:23::3/64
R4 配置
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8sys
sys R4
ipv6
int g0/0/0
ipv6 enable
ipv6 address auto link-local
ipv6 address 2001:db8:2345:23::4/64
配置OSPFv3路由协议,并指定Router-ID
R1 配置
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3sys
ospfv3 1
router-id 10.1.1.1
R2 配置
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3sys
ospfv3 1
router-id 10.1.2.2
R3 配置
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ospfv3 1
router-id 10.1.3.3
R4 配置
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3sys
ospfv3 1
router-id 10.1.4.4
接口使能OSPFv3路由协议并指定区域号
R1 配置
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4sys
int g0/0/0
ospfv3 1 area 0
R2 配置
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6sys
int g0/0/0
ospfv3 1 area 0
int g0/0/1
ospfv3 1 area 0
R3 配置
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4sys
int g0/0/0
ospfv3 1 area 0
R4 配置
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4sys
int g0/0/0
ospfv3 1 area 0
查看结果
查看R2 的LSDB
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40display ospfv3 lsdb
<R2>dis ospfv3 lsdb
* indicates STALE LSA
OSPFv3 Router with ID (10.1.2.2) (Process 1)
Link-LSA (Interface GigabitEthernet0/0/0)
Link State ID Origin Router Age Seq# CkSum Prefix
0.0.0.3 10.1.1.1 0080 0x80000003 0xbb9d 1
0.0.0.3 10.1.2.2 0078 0x80000003 0x6d8a 1
Link-LSA (Interface GigabitEthernet0/0/1)
Link State ID Origin Router Age Seq# CkSum Prefix
0.0.0.4 10.1.2.2 0078 0x80000003 0x02e2 1
0.0.0.3 10.1.3.3 0071 0x80000003 0x9ab0 1
0.0.0.3 10.1.4.4 0068 0x80000003 0x2449 1
Router-LSA (Area 0.0.0.0)
Link State ID Origin Router Age Seq# CkSum Link
0.0.0.0 10.1.1.1 0031 0x80000006 0x7681 1
0.0.0.0 10.1.2.2 0020 0x80000008 0x5d69 2
0.0.0.0 10.1.3.3 0019 0x80000007 0xb03e 1
0.0.0.0 10.1.4.4 0029 0x80000005 0xa747 1
Network-LSA (Area 0.0.0.0)
Link State ID Origin Router Age Seq# CkSum
0.0.0.3 10.1.2.2 0040 0x80000002 0x9d5c
0.0.0.3 10.1.4.4 0030 0x80000003 0xdafe
Intra-Area-Prefix-LSA (Area 0.0.0.0)
Link State ID Origin Router Age Seq# CkSum Prefix Reference
0.0.0.2 10.1.2.2 0013 0x80000005 0x033a 1 Network-LSA
0.0.0.1 10.1.4.4 0022 0x80000004 0xe63f 1 Network-LSA
查看指定Link State ID的LSA信息
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80display ospfv3 lsdb link 0.0.0.3
<R2>display ospfv3 lsdb link 0.0.0.3
OSPFv3 Router with ID (10.1.2.2) (Process 1)
Link-LSA (Interface GigabitEthernet0/0/0)
LS Age: 267 //LSA的老化时间
LS Type: Link-LSA //LSA的类型(Router-LSA、Network-LSA等)
Link State ID: 0.0.0.3 //LSA报头中的链路状态ID(用于确定唯一LSA的参数之一)
Originating Router: 10.1.1.1 //产生该LSA的路由器
LS Seq Number: 0x80000003 //LSA的序列号,序列号数值越大代表LSA越新
Retransmit Count: 0 //。。。。。
Checksum: 0xBB9D //LSA的校验和
Length: 56 //LSA报文长度
Priority: 1 //该Link-LSA对应接口的优先级
Options: 0x000013 (-|R|-|-|E|V6) //Options的值
Link-Local Address: FE80::2E0:FCFF:FE62:66F4 //本地链路地址
Number of Prefixes: 1 //该LSA中包含的IPv6前缀的数量
Prefix: 2001:DB8:2345:12::/64 //IPv6前缀
Prefix Options: 0 (-|-|-|-|-) //IPv6前缀Options值
LS Age: 265
LS Type: Link-LSA
Link State ID: 0.0.0.3
Originating Router: 10.1.2.2
LS Seq Number: 0x80000003
Retransmit Count: 0
Checksum: 0x6D8A
Length: 56
Priority: 1
Options: 0x000013 (-|R|-|-|E|V6)
Link-Local Address: FE80::2E0:FCFF:FE4A:AC8
Number of Prefixes: 1
Prefix: 2001:DB8:2345:12::/64
Prefix Options: 0 (-|-|-|-|-)
Link-LSA (Interface GigabitEthernet0/0/1)
LS Age: 259
LS Type: Link-LSA
Link State ID: 0.0.0.3
Originating Router: 10.1.3.3
LS Seq Number: 0x80000003
Retransmit Count: 0
Checksum: 0x9AB0
Length: 56
Priority: 1
Options: 0x000013 (-|R|-|-|E|V6)
Link-Local Address: FE80::2E0:FCFF:FEF3:388A
Number of Prefixes: 1
Prefix: 2001:DB8:2345:23::/64
Prefix Options: 0 (-|-|-|-|-)
LS Age: 257
LS Type: Link-LSA
Link State ID: 0.0.0.3
Originating Router: 10.1.4.4
LS Seq Number: 0x80000003
Retransmit Count: 0
Checksum: 0x2449
Length: 56
Priority: 1
Options: 0x000013 (-|R|-|-|E|V6)
Link-Local Address: FE80::2E0:FCFF:FE91:4BB5
Number of Prefixes: 1
Prefix: 2001:DB8:2345:23::/64
Prefix Options: 0 (-|-|-|-|-)
查看指定LSA的信息
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45display ospfv3 lsdb intra-prefix
<R2>display ospfv3 lsdb intra-prefix
OSPFv3 Router with ID (10.1.2.2) (Process 1)
Intra-Area-Prefix-LSA (Area 0.0.0.0)
LS Age: 644
LS Type: Intra-Area-Prefix-LSA
Link State ID: 0.0.0.2
Originating Router: 10.1.2.2
LS Seq Number: 0x80000005
Retransmit Count: 0
Checksum: 0x033A
Length: 44
Number of Prefixes: 1
Referenced LS Type: 0x2002 //由DR产生的Network-LSA
Referenced Link State ID: 0.0.0.3
Referenced Originating Router: 10.1.2.2
Prefix: 2001:DB8:2345:12::/64 //有DR产生的,路由器直连的传输网段的IPv6地址前缀
Prefix Options: 0 (-|-|-|-|-)
Metric: 0
LS Age: 653
LS Type: Intra-Area-Prefix-LSA
Link State ID: 0.0.0.1
Originating Router: 10.1.4.4
LS Seq Number: 0x80000004
Retransmit Count: 0
Checksum: 0xE63F
Length: 44
Number of Prefixes: 1
Referenced LS Type: 0x2002
Referenced Link State ID: 0.0.0.3
Referenced Originating Router: 10.1.4.4
Prefix: 2001:DB8:2345:23::/64
Prefix Options: 0 (-|-|-|-|-)
Metric: 0