![图片[1]-17.2 ISIS for IPV6-大赛人网](https://www.dsrw.com/wp-content/uploads/2023/03/图片48-3.png)
1.R1配置接口IP地址
[R1]ipv6
[R1]interface GigabitEthernet 0/0/0
[R1-GigabitEthernet0/0/0]ip address 12.1.1.1 8
[R1-GigabitEthernet0/0/0]ipv6 enable
[R1-GigabitEthernet0/0/0]ipv6 address 2012::1 64
[R1]interface LoopBack 0
[R1-LoopBack0]ip address 1.1.1.1 32
2.R2配置接口IP地址
[R2]interface GigabitEthernet 0/0/0
[R2-GigabitEthernet0/0/0]ip address 12.1.1.2 8
[R2-GigabitEthernet0/0/0]ipv6 enable
[R2-GigabitEthernet0/0/0]ipv6 address 2012::2 64
[R2]interface LoopBack 0
[R2-LoopBack0]ip address 2.2.2.2 32
3.R1配置ISIS
[R1]isis 1
[R1-isis-1]network-entity 49.0012.0000.0000.0001.00
[R1-isis-1]ipv6 enable topology standard
[R1]interface GigabitEthernet 0/0/0
[R1-GigabitEthernet0/0/0]isis enable 1
[R1-GigabitEthernet0/0/0]isis ipv6 enable 1
4.R2配置ISIS
[R2]isis 1
[R2-isis-1]network-entity 49.0012.0000.0000.0002.00
[R2-isis-1]ipv6 enable topology standard
[R2]interface GigabitEthernet 0/0/0
[R2-GigabitEthernet0/0/0]isis enable 1
[R2-GigabitEthernet0/0/0]isis ipv6 enable 1
5.查看ISIS邻居和数据库
[R2]display isis peer
0000.0000.0001 GE0/0/0 0000.0000.0002.01 Up 22s L1(L1L2) 64
0000.0000.0001 GE0/0/0 0000.0000.0002.01 Up 28s L2(L1L2) 64
[R2]display isis lsdb
Database information for ISIS(1)
Level-1 Link State Database
0000.0000.0001.00-00 0x00000005 0x339d 1088 109 0/0/0
0000.0000.0002.00-00* 0x00000006 0x8f3d 1109 109 0/0/0
0000.0000.0002.01-00* 0x00000001 0x8f6b 1109 56 0/0/0
Level-2 Link State Database
0000.0000.0001.00-00 0x00000006 0x319e 1088 109 0/0/0
0000.0000.0002.00-00* 0x00000007 0x8d3e 1109 109 0/0/0
0000.0000.0002.01-00* 0x00000001 0x8f6b 1109 56 0/0/0
6.查看ISIS路由,IPV4和IPV6的COST值相同
[R2]display isis route
IPV4 Destination IntCost ExtCost ExitInterface NextHop Flags
12.0.0.0/8 10 NULL GE0/0/0 Direct D/-/L/-
IPV6 Dest. ExitInterface NextHop Cost Flags
2012::/64 GE0/0/0 Direct 10 D/L/-
7.修改接口的ISIS,查看ISIS路由,单拓扑模式下(ipv6 enable topology standard),IPV4和IPV6的COST值仍然相同。
[R2-GigabitEthernet0/0/0]isis cost 40
[R2]display isis route
12.0.0.0/8 40 NULL GE0/0/0 Direct D/-/L/-
2012::/64 GE0/0/0 Direct 40 D/L/-
8.修改为多拓扑模式,修改接口COST值,查看ISIS路由,IPV4和IPV6开销单独计算
[R2-isis-1]ipv6 enable topology ipv6
[R2]interface GigabitEthernet 0/0/0
[R2-GigabitEthernet0/0/0]isis ipv6 cost 60
[R2]display isis route
12.0.0.0/8 40 NULL GE0/0/0 Direct D/-/L/-
2012::/64 GE0/0/0 Direct 60 D/L/-
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