네트워크 정보를 요약하여 Routing 테이블에서 다루어야할 정보량을 줄이기
셋팅
HQ_SE_Core_R1#area
1 range 192.168.1.0 255.255.255.128
HQ_SE_Core_R2#area
2 range 192.168.5.0 255.255.255.128
설정 전
HQ_SE_2F_L3_1
192.168.1.0/27 is subnetted, 4 subnets
O IA 192.168.1.0
[110/3] via 192.168.32.1, 00:11:34, FastEthernet0/6
O IA 192.168.1.32
[110/3] via 192.168.32.1, 00:11:34, FastEthernet0/6
O IA 192.168.1.64
[110/2] via 192.168.32.1, 00:11:34, FastEthernet0/6
O IA 192.168.1.96
[110/2] via 192.168.32.1, 00:11:34, FastEthernet0/6
192.168.2.0/27 is subnetted, 1 subnets
C 192.168.2.0 is directly connected, Vlan10
C 192.168.3.0/24 is directly connected, Vlan20
O IA 192.168.4.0/24 [110/2] via 192.168.33.2, 00:11:34,
Port-channel10
192.168.5.0/27 is subnetted, 4 subnets
O IA 192.168.5.0
[110/4] via 192.168.32.1, 00:11:34, FastEthernet0/6
[110/4] via 192.168.33.2, 00:11:34, Port-channel10
O IA 192.168.5.32
[110/4] via 192.168.32.1, 00:11:34, FastEthernet0/6
[110/4] via 192.168.33.2, 00:11:34, Port-channel10
O IA 192.168.5.64
[110/3] via 192.168.32.1, 00:11:34, FastEthernet0/6
[110/3] via 192.168.33.2, 00:11:34, Port-channel10
O IA 192.168.5.96
[110/3] via 192.168.32.1, 00:11:34, FastEthernet0/6
[110/3] via 192.168.33.2, 00:11:34, Port-channel10
C 192.168.32.0/24 is directly connected, FastEthernet0/6
C 192.168.33.0/24 is directly connected, Port-channel10
O 192.168.34.0/24 [110/2] via 192.168.32.1, 00:11:34,
FastEthernet0/6
O 192.168.35.0/24 [110/2] via 192.168.33.2, 00:11:34,
Port-channel10
설정후
HQ_SE_2F_L3_1
192.168.1.0/27 is subnetted, 1 subnets
O IA 192.168.1.0
[110/3] via 192.168.32.1, 00:05:18, FastEthernet0/6
192.168.2.0/27 is subnetted, 1 subnets
C 192.168.2.0 is directly connected, Vlan10
C 192.168.3.0/24 is directly connected, Vlan20
O 192.168.4.0/24 [110/2] via 192.168.2.29, 00:05:38,
Vlan10
192.168.5.0/25 is subnetted, 1 subnets
O IA 192.168.5.0
[110/3] via 192.168.32.1, 00:05:28, FastEthernet0/6
[110/3] via 192.168.33.2, 00:05:28, Port-channel10
C 192.168.32.0/24 is directly connected, FastEthernet0/6
C 192.168.33.0/24 is directly connected, Port-channel10
O 192.168.34.0/24 [110/2] via 192.168.32.1, 00:06:03,
FastEthernet0/6
O 192.168.35.0/24 [110/2] via 192.168.33.2, 00:06:03,
Port-channel10