Practice Lab 1---NBMA环境中OSPF的应用
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 1. Configure OSPF area 0 on the frame-relay interfaces between R1, R2, R3 and R5.
2. Put R1’s ethernet 0 in area 1 3. Put R2’s ethernet 0 in area 10 4. Put R3’s serial 1 and all of R4 in area 3 5. Put R5’s ethernet 0 in area 4. 6. Create two loopback interfaces on R4 and put both of the associated subnets on R4 in area 44. 7. Summarize the 2-loopback subnets so they appear as one route to the rest of the OSPF routers. 8. Here is tricky part; You can’t use the command ip ospf network anywhere in your configurations. 9. As stated before you should be able to ping every interface from any router. 10. Redistribute the default route on R2 as type-1 with a metric of 100. R1
conf t int f 0/0 ip ad 10.1.1.1 255.255.0.0 no shut int s 2/0 encap f no arp f no frame inver no shut int s2/0.1 multipoint no arp f no frame inver ip ad 10.10.1.1 255.255.0.0 frame map ip 10.10.1.2 102 b frame map ip 10.10.1.3 103 b frame map ip 10.10.1.5 105 b ip ospf priority 255 exit router ospf 1 net 10.1.1.1 0.0.0.0 a 1 nei 10.10.1.2 nei 10.10.1.3 nei 10.10.1.5 net 10.10.1.1 0.0.0.0 a 0 end R2
conf t int f 0/0 ip ad 137.20.20.1 255.255.255.0 no shut int s 2/0 ip ad 10.10.1.2 255.255.0.0 encap f no arp f no frame inver frame map ip 10.10.1.1 201 b frame map ip 10.10.1.3 201 b frame map ip 10.10.1.5 201 b ip ospf priority 0 no shut exit ip route 0.0.0.0 0.0.0.0 137.20.20.2 router ospf 1 nei 10.10.1.1 net 10.10.1.2 0.0.0.0 a 0 net 137.20.20.1 0.0.0.0 a 10 end R3
conf t int l 0 ip ad 3.3.3.3 255.255.255.255 int s2/0 ip ad 10.10.1.3 255.255.0.0 encap f no arp f no frame inver frame map ip 10.10.1.1 301 b frame map ip 10.10.1.2 301 b frame map ip 10.10.1.5 301 b no shut ip ospf priority 0 int s 2/1 ip ad 10.34.1.1 255.255.0.0 encap f no arp f no frame inver frame map ip 10.34.1.2 314 b no shut router ospf 1 router-id 3.3.3.3 nei 10.34.1.2 nei 10.10.1.1 net 10.10.1.3 0.0.0.0 a 0 net 10.34.1.1 0.0.0.0 a 3 area 3 virtual-link 4.4.4.4 end R4
conf t int l 0 ip ad 10.44.1.1 255.255.255.0 int l 1 ip ad 10.44.2.1 255.255.255.0 int l 2 ip ad 4.4.4.4 255.255.255.255 int f 0/0 ip ad 10.4.1.1 255.255.0.0 no shut int s 2/1 ip ad 10.34.1.2 255.255.0.0 encap f no arp f no frame inver frame map ip 10.34.1.1 413 b ip ospf priority 0 no shut router ospf 1 router-id 4.4.4.4 nei 10.34.1.1 net 10.34.1.2 0.0.0.0 a 3 net 10.4.1.1 0.0.0.0 a 3 net 10.44.1.1 0.0.0.0 a 44 net 10.44.2.1 0.0.0.0 a 44 area 3 virtual-link 3.3.3.3 end R5
conf t int f 0/0 ip ad 11.1.1.5 255.255.0.0 no shut int s 2/0 ip ad 10.10.1.5 255.255.0.0 encap f no arp f no frame inver frame map ip 10.10.1.1 501 b frame map ip 10.10.1.2 501 b frame map ip 10.10.1.3 501 b ip ospf priority 0 no shut router ospf 1 nei 10.10.1.1 net 10.10.1.5 0.0.0.0 a 0 net 11.1.1.5 0.0.0.0 a 4 end 校验
R1#sh ip ospf n
Neighbor ID Pri State Dead Time Address Interface
137.20.20.1 0 FULL/DROTHER 00:01:58 10.10.1.2 Serial2/0.1 3.3.3.3 0 FULL/DROTHER 00:01:33 10.10.1.3 Serial2/0.1 11.1.1.5 0 FULL/DROTHER 00:01:42 10.10.1.5 Serial2/0.1 R1#sh ip route Codes: 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 Gateway of last resort is not set
137.20.0.0/24 is subnetted, 1 subnets
O IA 137.20.20.0 [110/65] via 10.10.1.2, 00:01:52, Serial2/0.1 10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks C 10.10.0.0/16 is directly connected, Serial2/0.1 C 10.1.0.0/16 is directly connected, FastEthernet0/0 O IA 10.4.0.0/16 [110/129] via 10.10.1.3, 00:01:52, Serial2/0.1 O IA 10.44.0.0/22 [110/129] via 10.10.1.3, 00:01:52, Serial2/0.1 O IA 10.34.0.0/16 [110/128] via 10.10.1.3, 00:01:52, Serial2/0.1 11.0.0.0/16 is subnetted, 1 subnets O IA 11.1.0.0 [110/65] via 10.10.1.5, 00:01:52, Serial2/0.1 R2#sh ip ospf n Neighbor ID Pri State Dead Time Address Interface
10.1.1.1 255 FULL/DR 00:01:59 10.10.1.1 Serial2/0 R2#sh ip route Codes: 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 Gateway of last resort is 137.20.20.2 to network 0.0.0.0
137.20.0.0/24 is subnetted, 1 subnets
C 137.20.20.0 is directly connected, FastEthernet0/0 10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks C 10.10.0.0/16 is directly connected, Serial2/0 O IA 10.1.0.0/16 [110/65] via 10.10.1.1, 00:01:44, Serial2/0 O IA 10.4.0.0/16 [110/129] via 10.10.1.3, 00:01:44, Serial2/0 O IA 10.44.0.0/22 [110/129] via 10.10.1.3, 00:01:44, Serial2/0 O IA 10.34.0.0/16 [110/128] via 10.10.1.3, 00:01:44, Serial2/0 11.0.0.0/16 is subnetted, 1 subnets O IA 11.1.0.0 [110/65] via 10.10.1.5, 00:01:44, Serial2/0 S* 0.0.0.0/0 [1/0] via 137.20.20.2 R3#sh ip ospf n Neighbor ID Pri State Dead Time Address Interface
4.4.4.4 0 FULL/ - - 10.34.1.2 OSPF_VL0 10.1.1.1 255 FULL/DR 00:01:53 10.10.1.1 Serial2/0 4.4.4.4 0 FULL/DROTHER 00:01:58 10.34.1.2 Serial2/1 R3#sh ip route Codes: 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 Gateway of last resort is not set
137.20.0.0/24 is subnetted, 1 subnets
O IA 137.20.20.0 [110/65] via 10.10.1.2, 00:01:57, Serial2/0 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks C 10.10.0.0/16 is directly connected, Serial2/0 O IA 10.1.0.0/16 [110/65] via 10.10.1.1, 00:01:57, Serial2/0 O 10.4.0.0/16 [110/65] via 10.34.1.2, 00:02:07, Serial2/1 O IA 10.44.0.0/22 [110/65] via 10.34.1.2, 00:01:57, Serial2/1 C 10.34.0.0/16 is directly connected, Serial2/1 11.0.0.0/16 is subnetted, 1 subnets O IA 11.1.0.0 [110/65] via 10.10.1.5, 00:01:57, Serial2/0 R4#sh ip ospf n Neighbor ID Pri State Dead Time Address Interface
3.3.3.3 0 FULL/ - - 10.34.1.1 OSPF_VL0 3.3.3.3 1 FULL/DR 00:01:55 10.34.1.1 Serial2/1 R4#sh ip route Codes: 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 Gateway of last resort is not set
137.20.0.0/24 is subnetted, 1 subnets
O IA 137.20.20.0 [110/129] via 10.34.1.1, 00:01:59, Serial2/1 4.0.0.0/32 is subnetted, 1 subnets C 4.4.4.4 is directly connected, Loopback2 10.0.0.0/8 is variably subnetted, 7 subnets, 3 masks O 10.10.0.0/16 [110/128] via 10.34.1.1, 00:01:59, Serial2/1 O IA 10.1.0.0/16 [110/129] via 10.34.1.1, 00:01:59, Serial2/1 C 10.4.0.0/16 is directly connected, FastEthernet0/0 C 10.44.2.0/24 is directly connected, Loopback1 O 10.44.0.0/22 is a summary, 00:02:19, Null0 C 10.44.1.0/24 is directly connected, Loopback0 C 10.34.0.0/16 is directly connected, Serial2/1 11.0.0.0/16 is subnetted, 1 subnets O IA 11.1.0.0 [110/129] via 10.34.1.1, 00:02:00, Serial2/1 R5#sh ip ospf n Neighbor ID Pri State Dead Time Address Interface
10.1.1.1 255 FULL/DR 00:01:40 10.10.1.1 Serial2/0 R5#sh ip route Codes: 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 Gateway of last resort is not set
137.20.0.0/24 is subnetted, 1 subnets O IA 137.20.20.0 [110/65] via 10.10.1.2, 00:02:10, Serial2/0 10.0.0.0/8 is variably subnetted, 5 subnets, 2 masks C 10.10.0.0/16 is directly connected, Serial2/0 O IA 10.1.0.0/16 [110/65] via 10.10.1.1, 00:02:10, Serial2/0 O IA 10.4.0.0/16 [110/129] via 10.10.1.3, 00:02:10, Serial2/0 O IA 10.44.0.0/22 [110/129] via 10.10.1.3, 00:02:10, Serial2/0 O IA 10.34.0.0/16 [110/128] via 10.10.1.3, 00:02:10, Serial2/0 11.0.0.0/16 is subnetted, 1 subnets C 11.1.0.0 is directly connected, FastEthernet0/0 本文出自 “穿过地狱去看海” 博客，谢绝转载！ 本文出自 51CTO.COM技术博客 |
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