Integrated IS-IS : Cisco Config 2



 ◆ Integrated IS-IS - Ciscoコンフィグ設定 - 異なるエリア間のコンフィグ設定


   



 R1(config)# router isis
 R1(config-router)# net 49.0001.1111.1111.0001.00

 R1(config)# interface GigabitEthernet 0/0
 R1(config-if)# ip address 10.0.0.1 255.255.255.0
 R1(config-if)# ip router isis
 R1(config-if)#
isis circuit-type level-2-only

 R1(config)# interface GigabitEthernet 0/1
 R1(config-if)# ip address 10.1.1.254 255.255.255.0
 R1(config-if)# ip router isis



 R2(config)# router isis
 R2(config-router)# net 49.0002.1111.1111.0002.00

 R2(config)# interface GigabitEthernet 0/0
 R2(config-if)# ip address 10.0.0.2 255.255.255.0
 R2(config-if)#
ip router isis
 R2(config-if)# isis circuit-type level-2-only

 R2(config)# interface GigabitEthernet 0/1
 R2(config-if)# ip address 10.1.2.254 255.255.255.0
 R2(config-if)# ip router isis


 R3とR4では完全なレベル1ルータなので「 is-type level-1 」を設定します。


 ◆ Integrated IS-IS - ステータス確認(R1)

 以下で表示されるステータスは、R3とR4は接続していない時のステータスです。

 R1#
show clns protocol
 IS-IS Router: <Null Tag>
 System Id: 1111.1111.0001.00 IS-Type: level-1-2
 Manual area address(es):
 49.0001
 Routing for area address(es):
 49.0001
 Interfaces supported by IS-IS:
 GigabitEthernet0/1 - IP
 GigabitEthernet0/0 - IP
 Redistribute:
 static (on by default)
 Distance for L2 CLNS routes: 110
 RRR level: none
 Generate narrow metrics: level-1-2
 Accept narrow metrics: level-1-2
 Generate wide metrics: none
 Accept wide metrics: none


 R1#
show clns neighbors
 System Id Interface SNPA      State Holdtime Type Protocol
 R2     Gi0/0   1234.5678.90ab  Up    28   L2   IS-IS


 R1#
show isis topology
 IS-IS TID 0 paths to level-1 routers
 System Id  Metric  Next-Hop  Interface  SNPA
 R1       -

 IS-IS TID 0 paths to level-2 routers
 System Id  Metric  Next-Hop  Interface  SNPA
 R1       -
 R2       10    R2     Gi0/0    1234.5678.90ab


 R1#
show ip route
 10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks
 C  10.0.0.0/24 is directly connected, GigabitEthernet0/0
 L  10.0.0.1/32 is directly connected, GigabitEthernet0/0
 C  10.1.1.0/24 is directly connected, GigabitEthernet0/1
 L  10.1.1.254/32 is directly connected, GigabitEthernet0/1
 i L2 10.1.2.0/24 [115/20] via 10.0.0.2, 00:08:03, GigabitEthernet0/0


 ◆ Integrated IS-IS - ステータス確認(R2)

 R2# show clns protocol
 IS-IS Router: <Null Tag>
 System Id: 1111.1111.0002.00 IS-Type: level-1-2
 Manual area address(es):
 49.0002
 Routing for area address(es):
 49.0002
 Interfaces supported by IS-IS:
 GigabitEthernet0/1 - IP
 GigabitEthernet0/0 - IP
 Redistribute:
 static (on by default)
 Distance for L2 CLNS routes: 110
 RRR level: none
 Generate narrow metrics: level-1-2
 Accept narrow metrics: level-1-2
 Generate wide metrics: none
 Accept wide metrics: none


 R2#
show clns neighbors
 System Id Interface SNPA       State Holdtime Type Protocol
 R1      Gi0/0   9876.5432.10ab Up    8    L2   IS-IS


 R2#
show isis topology
 IS-IS TID 0 paths to level-1 routers
 System Id  Metric  Next-Hop  Interface  SNPA
 R2       -

 IS-IS TID 0 paths to level-2 routers
 System Id  Metric  Next-Hop  Interface  SNPA
 R1       10     R1     Gi0/0    9876.5432.10ab
 R2       -


 R2#
show ip route
 10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks
 C  10.0.0.0/24 is directly connected, GigabitEthernet0/0
 L  10.0.0.2/32 is directly connected, GigabitEthernet0/0
 i L2 10.1.1.0/24 [115/20] via 10.0.0.1, 00:11:49, GigabitEthernet0/0
 C  10.1.2.0/24 is directly connected, GigabitEthernet0/1
 L  10.1.2.254/32 is directly connected, GigabitEthernet0/1



Integrated IS-IS

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