Bài viết sưu tầm
Cho sơ đồ như sau:
Cấu hình:
Trên các PC:
ip 192.168.1.11/24 192.168.1.1
ip 192.168.2.22/24 192.168.2.1
Router-DTU:
en
conf t
hostname Router-DTU
int f0/0
no sh
ip add 192.168.1.1 255.255.255.0
ex
int f1/0
no sh
ip add 10.1.1.11 255.255.255.0
ex
int f2/0
no sh
ip add 10.1.2.11 255.255.255.0
ex
int f3/0
no sh
ip add 10.1.3.11 255.255.255.0
ex
int f4/0
no sh
ip add 10.1.4.11 255.255.255.0
ex
int f5/0
no sh
ip add 10.1.5.11 255.255.255.0
ex
int f6/0
no sh
ip add 10.1.6.11 255.255.255.0
ex
do wr
Router-Remote:
en
conf t
hostname Router-Remote
int f0/0
no sh
ip add 192.168.2.1 255.255.255.0
ex
int f1/0
no sh
ip add 10.2.1.22 255.255.255.0
ex
int f2/0
no sh
ip add 10.2.2.22 255.255.255.0
ex
int f3/0
no sh
ip add 10.2.3.22 255.255.255.0
ex
int f4/0
no sh
ip add 10.2.4.22 255.255.255.0
ex
int f5/0
no sh
ip add 10.2.5.22 255.255.255.0
ex
int f6/0
no sh
ip add 10.2.6.22 255.255.255.0
ex
do wr
Router1:
en
conf t
hostname Router1
int f0/0
no sh
ip add 10.1.1.1 255.255.255.0
ex
int f0/1
no sh
ip add 10.2.1.1 255.255.255.0
ex
do wr
Router2:
en
conf t
hostname Router2
int f0/0
no sh
ip add 10.1.2.2 255.255.255.0
ex
int f0/1
no sh
ip add 10.2.2.2 255.255.255.0
ex
do wr
Router3:
en
conf t
hostname Router3
int f0/0
no sh
ip add 10.1.3.3 255.255.255.0
ex
int f0/1
no sh
ip add 10.2.3.3 255.255.255.0
ex
do wr
Router4:
en
conf t
hostname Router4
int f0/0
no sh
ip add 10.1.4.4 255.255.255.0
ex
int f0/1
no sh
ip add 10.2.4.4 255.255.255.0
ex
do wr
Router5:
en
conf t
hostname Router5
int f0/0
no sh
ip add 10.1.5.5 255.255.255.0
ex
int f0/1
no sh
ip add 10.2.5.5 255.255.255.0
ex
do wr
Router6:
en
conf t
hostname Router6
int f0/0
no sh
ip add 10.1.6.6 255.255.255.0
ex
int f0/1
no sh
ip add 10.2.6.6 255.255.255.0
ex
do wr
Cấu hình OSPF:
Router-DTU:
router ospf 100
maximum-paths 6
network 192.168.1.0 0.0.0.255 area 0
network 10.0.0.0 0.255.255.255 area 0
exit
do wr
Router-Remote:
router ospf 100
maximum-paths 6
network 192.168.2.0 0.0.0.255 area 0
network 10.0.0.0 0.255.255.255 area 0
exit
do wr
RouterX:
en
conf t
router ospf 100
network 10.0.0.0 0.255.255.255 area 0
exit
do wr
Kiểm tra cấu hình & thông mạng:
Router-DTU#show ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
10.2.6.6 1 FULL/BDR 00:00:35 10.1.6.6 FastEthernet6/0
10.2.5.5 1 FULL/BDR 00:00:37 10.1.5.5 FastEthernet5/0
10.2.4.4 1 FULL/BDR 00:00:39 10.1.4.4 FastEthernet4/0
10.2.3.3 1 FULL/BDR 00:00:34 10.1.3.3 FastEthernet3/0
10.2.2.2 1 FULL/BDR 00:00:37 10.1.2.2 FastEthernet2/0
10.2.1.1 1 FULL/BDR 00:00:35 10.1.1.1 FastEthernet1/0
Router-DTU#
Router-DTU#show ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
+ - replicated route, % - next hop override
Gateway of last resort is not set
10.0.0.0/8 is variably subnetted, 18 subnets, 2 masks
C 10.1.1.0/24 is directly connected, FastEthernet1/0
L 10.1.1.11/32 is directly connected, FastEthernet1/0
C 10.1.2.0/24 is directly connected, FastEthernet2/0
L 10.1.2.11/32 is directly connected, FastEthernet2/0
C 10.1.3.0/24 is directly connected, FastEthernet3/0
L 10.1.3.11/32 is directly connected, FastEthernet3/0
C 10.1.4.0/24 is directly connected, FastEthernet4/0
L 10.1.4.11/32 is directly connected, FastEthernet4/0
C 10.1.5.0/24 is directly connected, FastEthernet5/0
L 10.1.5.11/32 is directly connected, FastEthernet5/0
C 10.1.6.0/24 is directly connected, FastEthernet6/0
L 10.1.6.11/32 is directly connected, FastEthernet6/0
O 10.2.1.0/24 [110/11] via 10.1.1.1, 00:07:20, FastEthernet1/0
O 10.2.2.0/24 [110/11] via 10.1.2.2, 00:07:20, FastEthernet2/0
O 10.2.3.0/24 [110/11] via 10.1.3.3, 00:07:10, FastEthernet3/0
O 10.2.4.0/24 [110/11] via 10.1.4.4, 00:07:00, FastEthernet4/0
O 10.2.5.0/24 [110/11] via 10.1.5.5, 00:07:00, FastEthernet5/0
O 10.2.6.0/24 [110/11] via 10.1.6.6, 00:06:50, FastEthernet6/0
192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks
C 192.168.1.0/24 is directly connected, FastEthernet0/0
L 192.168.1.1/32 is directly connected, FastEthernet0/0
O 192.168.2.0/24 [110/12] via 10.1.6.6, 00:06:50, FastEthernet6/0
[110/12] via 10.1.5.5, 00:07:00, FastEthernet5/0
[110/12] via 10.1.4.4, 00:07:00, FastEthernet4/0
[110/12] via 10.1.3.3, 00:07:10, FastEthernet3/0
[110/12] via 10.1.2.2, 00:07:20, FastEthernet2/0
[110/12] via 10.1.1.1, 00:07:20, FastEthernet1/0
Router-DTU#
Router-DTU#traceroute 192.168.2.22
Type escape sequence to abort.
Tracing the route to 192.168.2.22
VRF info: (vrf in name/id, vrf out name/id)
1 10.1.4.4 28 msec
10.1.5.5 8 msec
10.1.6.6 4 msec
2 10.2.1.22 36 msec
10.2.2.22 40 msec
10.2.3.22 16 msec
3 192.168.2.22 48 msec 36 msec 32 msec
Router-DTU#
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