组网需求
- 某公司通过部署IS-IS实现IPv4网络的互联互通，同时部署IPv6网络进行业务测试，需要在IS-IS中使能IPv6功能
- 由于设备性能不同，通过修改开销值，实现IPv4和IIPv6业务优先不同的路径，且IPv6网络单独计算拓扑
- 所有路由器运行IS-IS协议，整个网络都处于区域49.0001中国，且路由器均为level-2路由器
- 配置完成后，每台路由器都应该学到AS内的所有网段的IPv4路由和IPv6路由
组网拓扑
配置命令
配置路由器基本功能以及各个接口IPv4地址
R1配置
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6sys
sys R1
int g0/0/0
ip add 10.1.12.1 30
int g0/0/1
ip add 10.1.13.1 30
R2配置
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6sys
sys R2
int g0/0/0
ip add 10.1.12.2 30
int g0/0/1
ip add 10.1.24.2 30
R3配置
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6sys
sys R3
int g0/0/1
ip add 10.1.13.2 30
int g0/0/2
ip add 10.1.34.1 30
R4配置
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6sys
sys R4
int g0/0/1
ip add 10.1.24.1 30
int g0/0/2
ip add 10.1.34.2 30
配置IS-IS（IPv4）路由协议以及接口使能IS-IS路由协议
R1配置
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12sys
isis 1
is-level level-2
network-entity 49.0001.0000.0001.00
quit
int g0/0/0
isis enable 1
isis small-hello
int g0/0/1
isis enable 1
isis small-hello
isis cost 40 level-2
R2配置
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11sys
isis 1
is-level level-2
network-entity 49.0001.0000.0002.00
quit
int g0/0/0
isis enable 1
isis small-hello
int g0/0/1
isis enable 1
isis small-hello
R3配置
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11sys
isis 1
is-level level-2
network-entity 49.0001.0000.0003.00
quit
int g0/0/1
isis enable 1
isis small-hello
int g0/0/2
isis enable 1
isis small-hello
R4配置
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11sys
isis 1
is-level level-2
network-entity 49.0001.0000.0004.00
quit
int g0/0/1
isis enable 1
isis small-hello
int g0/0/2
isis enable 1
isis small-hello
配置使能IPv6以及配置IPv6接口地址
R1配置
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11sys
ipv6
int g0/0/0
ipv6 enable
ipv6 address auto link-local
ipv6 address 2001:db8:2345:12::1/64
int g0/0/1
ipv6 enable
ipv6 address auto link-local
ipv6 address 2001:db8:2345:13::1/64
R2配置
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11sys
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:db8:2345:24::2/64
R3配置
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11sys
ipv6
int g0/0/1
ipv6 enable
ipv6 address auto link-local
ipv6 address 2001:db8:2345:13::2/64
int g0/0/2
ipv6 enbale
ipv6 address auto link-local
ipv6 address 2001:db8:2345:34::1/64
R4配置
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11sys
ipv6
int g0/0/1
ipv6 enbale
ipv6 address auto link-local
ipv6 address 2001:db8:2345:24::1/64
int g0/0/2
ipv6 enable
ipv6 address auto link-local
ipv6 address 2001:db8:2345:34::2/64
配置IS-IS（IPv6）路由协议以及接口使能ISIS（IPv6）
R1配置
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10sys
isis 1
ipv6 enbale topology ipv6
quit
int g0/0/0
isis ipv6 enable 1
isis ipv6 cost 40 level-2
int g0/0/1
isis ipv6 enable 1
R2配置
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9sys
isis 1
ipv6 enable topology ipv6
quit
int g0/0/0
isis ipv6 enbale 1
int g0/0/1
isis ipv6 enbale 1
R3配置
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9sys
isis 1
ipv6 enable topology ipv6
quit
int g0/0/0
isis ipv6 enbale 1
int g0/0/1
isis ipv6 enbale 1
R4配置
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9sys
isis 1
ipv6 enable topology ipv6
quit
int g0/0/0
isis ipv6 enbale 1
int g0/0/1
isis ipv6 enbale 1
查看命令
查看IS-IS（IPv6）接口信息
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29display isis interface g0/0/0 verbose
<R1>display isis interface g0/0/0 verbose
Interface information for ISIS(1)
---------------------------------
Interface Id IPV4.State IPV6.State MTU Type DIS
GE0/0/0 001 Up Up 1497 L1/L2 No/No
Circuit MT State : Standard IPV6
Circuit Parameters : small-hello
Description : HUAWEI, AR Series, GigabitEthernet0/0/0 Interfac
e
SNPA Address : 00e0-fc2f-2b3e
IP Address : 10.1.12.1
IPV6 Link Local Address : FE80::2E0:FCFF:FE2F:2B3E
IPV6 Global Address(es) : 2001:DB8:2345:12::1/64
Csnp Timer Value : L1 10 L2 10
Hello Timer Value : L1 10 L2 10
DIS Hello Timer Value : L1 3 L2 3
Hello Multiplier Value : L1 3 L2 3
LSP-Throttle Timer : L12 50
Cost : L1 10 L2 10
Ipv6 Cost : L1 10 L2 40
Priority : L1 64 L2 64
Retransmit Timer Value : L12 5
Bandwidth-Value : Low 1000000000 High 0
Static Bfd : NO
Dynamic Bfd : NO
Fast-Sense Rpr : NO
查看IS-IS（IPv6）邻居信息
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36display isis 1 peer verbose
<R1>dis isis 1 peer verbose
Peer information for ISIS(1)
System Id Interface Circuit Id State HoldTime Type PRI
-------------------------------------------------------------------------------
0001.0000.0002* GE0/0/0 0001.0000.0002.01 Up 9s L2 64
MT IDs supported : 0(UP) 2(UP)
Local MT IDs : 0 2
Area Address(es) : 49
Peer IP Address(es) : 10.1.12.2
Peer IPv6 Address(es): FE80::2E0:FCFF:FE40:4681
Uptime : 06:59:14
Adj Protocol : IPV4 IPV6
Restart Capable : YES
Suppressed Adj : NO
Peer System Id : 0001.0000.0002
0001.0000.0003* GE0/0/1 0001.0000.0003.01 Up 9s L2 64
MT IDs supported : 0(UP) 2(UP)
Local MT IDs : 0 2
Area Address(es) : 49
Peer IP Address(es) : 10.1.13.2
Peer IPv6 Address(es): FE80::2E0:FCFF:FEF5:7FD6
Uptime : 06:57:15
Adj Protocol : IPV4 IPV6
Restart Capable : YES
Suppressed Adj : NO
Peer System Id : 0001.0000.0003
Total Peer(s): 2
查看IS-IS（IPv6）路由信息
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25display isis route [process-id | vpn-instance vpn-instance name ] ipv6 [verbose | [level-1 | level-2]| ipv6-address[prefix-length]]
display isis route ipv6
<R1>display isis route ipv6
Route information for ISIS(1)
-----------------------------
ISIS(1) Level-2 Forwarding Table
--------------------------------
IPV6 Dest. ExitInterface NextHop Cost Flags
-------------------------------------------------------------------------------
2001:DB8:2345:34::/64
GE0/0/1 FE80::2E0:FCFF:FEF5:7FD6 20 A/-/-
2001:DB8:2345:24::/64
GE0/0/1 FE80::2E0:FCFF:FEF5:7FD6 30 A/-/-
2001:DB8:2345:12::/64
GE0/0/0 Direct 40 D/L/-
2001:DB8:2345:13::/64
GE0/0/1 Direct 10 D/L/-
Flags: D-Direct, A-Added to URT, L-Advertised in LSPs, S-IGP Shortcut,
U-Up/Down Bit Set
