OSPF applications-single-region and multi-region (CISCO)

OSPF applications-single-region and multi-region (CISCO) Single-region: 1. job Requirements! Three methods for injecting default Routes 2. Topology
1. the device configuration is as follows: R1 (config) # int s1/0R1 (config-if) # ip add 192.168.1.1 255.255.255.0R1 (config-if) # no shutR1 (config-if) # int s1/1R1 (config-if) # ip add 192.168.3.1 255.255.255.0R1 (config-if) # no shutR1 (config) # line cons 0R1 (config-line) # logging SynchronousR1 (config-line) # exec-timeout 0 0R1 (config) # router ospf 223R1 (config-router) # network 192.168.3.0 0.0.255 area 0R1 (config) # router VPN 223R1 (config-router) # network 192.168.1.0R2 (config) # int s1/0R2 (config-if) # ip add 192.168.1.2 255.255.255.0R2 (config-if) # no shut R2 (config-if) # int s1/2R2 (config-if) # ip add 192.168.2.1 255.255.255.0R2 (config-if) # no shutR2 (config) # int lo 1R2 (config-if) # ip add 192.168.5.1 255.255.255.0R2 (config-if) # no shutR2 (config) # router VPN 223R2 (config-router) # network 192.168.1.0R2 (config-router) # network 192.168.2.0R2 (config-router) # network 192.168.5.0R3 (config) # int s 1/2R3 (config-if) # ip add 192.168.2.2 255.255.255.0R3 (config-if) # no shutR3 (config) # int lo 1R3 (config-if) # ip add 192.168.6.1 255.255.255.0R3 (config) # router VPN 223R3 (config-router) # network 192.168.2.0R3 (config-router) # network 192.168.6.0 view the route table on R3 as follows: D 192.168.5.0/24 [90/2297856] via 192.168.2.1, 00:22:57, serial1/2C 192.168.6.0/24 is directly connected, Loopback1D 192.168.1.0/24 [90/2681856] via 192.168.2.1, 00:31:30, Serial1/2C 192.168.2.0/24 is directly connected, Serial1/2R3 # R4 (config) # int s1/1R4 (config-if) # ip add 192.168.3.2 255.255.255.0R4 (config-if) # no shutR4 (config-if) # int s1/3R4 (config-if) # ip add 192.168.4.1 255.255.255.0R4 (config-if) # no shutR4 (config-if) # int lo1R4 (config-if) # ip add 192.168.7.1 255.255.255.0R4 (config-if) # exit R4 (config) # router ospf 223R4 (config-router) # network 192.168.3.0 0.0.0.255 area 0R4 (config-router) # network 192.168.4.0 0.0.0.255 area 0R4 (config-router) # network 192.168.7.0 0.0.0.255 area 0R5 (config) # int s1/3R5 (config-if) # ip add 192.168.4.2 255.255.255.0R5 (config-if) # no shutR5 (config-if) # int lo 1R5 (config-if) # ip add 192.168.8.1 255.255.255.0R5 (config-if) # no shutR5 (config-if) # router ospf 223R5 (config-router) # network 192.168.4.0 0.0.0.255 area 0R5 (config-router) # network 192.168.8.0 0.0.0.255 area 0
View R5 router route table: www.2cto.com C 192.168.8.0/24 is directly connected, Loopback1C 192.168.4.0/24 is directly connected, Serial1/3192.168.7.0/32 is subnetted, 1 subnetsO 192.168.7.1 [110/65] via 192.168.4.1, 00:01:33, Serial1/3O 192.168.3.0/24 [110/128] via 192.168.4.1, 00:01:33, Serial1/3R5 #4. test and view the route table of the R1 router (before route redistribution) (because R1 is a VBR, it is not only running the OSPF protocol, but also in OSPF, so the route table is complete) 192.168.8.0/32 is subnetted, 1 subnetsO 192.168.8.1 [110/129] via 192.168.3.2, 00:05:47, Serial1/1O 192.168.4.0/24 [110/128] via 192.168.3.2, 00:05:47, serial1/1D 192.168.5.0/24 [90/2297856] via 192.168.1.2, 00:22:19, Serial1/0D 192.168.6.0/24 [90/2809856] via 192.168.1.2, 00:30:21, Serial1/0192.168.7.0/32 is subnetted, 1 subnetsO 192.168.7.1 [110/65] via 192.168.3.2, 00:05:47, Serial1/1C 192.168.1.0/24 is directly connected, Serial1/0D 192.168.2.0/24 [90/2681856] via 192.168.1.2, 00:35:05, serial1/0C 192.168.3.0/24 is directly connected, Serial1/1R1 # R1 (config) # router ospf 223R1 (config-router) # redistribute VPN 223 metric 200 // resend the network to the MongoDB instance. For more information, see the classful networks will be redistributedR5 route table: C 192.168.8.0/24 is directly connected, Loopback1C 192.168.4.0/24 is directly connected, serial1/3O E2 192.168.5.0/24 [110/200] via 192.168.4.1, 00:02:23, Serial1/3O E2 192.168.6.0/24 [110/200] via 192.168.4.1, 00:02:23, Serial1/3192.168.7.0/32 is subnetted, 1 subnetsO 192.168.7.1 [110/65] via 192.168.4.1, 00:02:23, Serial1/3O E2 192.168.1.0/24 [110/200] via 192.168.4.1, 00:02:23, Serial1/3O E2 192.168.2.0/24 [110/200] via 192.168.4.1, 00:02:23, Serial1/3O 192.168.3.0/24 [110/128] via 192.168.4.1, 00:02:24, Serial1/3R5 # three methods for injecting default routes into the MongoDB: First method: R1 (config) # ip route 0.0.0.0 0.0.0.0 s1/1R1 (config) # router VPN 223R1 (config-router) # route table of network 0.0.0.0R1: 192.168.8.0/32 is subnetted, 1 subnetsO 192.168.8.1 [110/129] via 192.168.3.2, 00:06:41, Serial1/1O 192.168.4.0/24 [110/128] via 192.168.3.2, 00:06:41, Serial1/1D 192.168.5.0/24 [90/2297856] via 192.168.1.2, 00:35:10, serial1/0D 192.168.6.0/24 [90/2809856] via 192.168.1.2, 00:43:11, Serial1/0192.168.7.0/32 is subnetted, 1 subnetsO 192.168.7.1 [110/65] via 192.168.3.2, 00:06:41, serial1/1C 192.168.1.0/24 is directly connected, Serial1/0D 192.168.2.0/24 [90/2681856] via 192.168.1.2, 00:47:56, Serial1/0C 192.168.3.0/24 is directly connected, serial1/1 S * 0.0.0.0/0 is directly connected, Serial1/1R1 # route table of www.2cto.com R3: D 192.168.5.0/24 [90/2297856] via 192.168.2.1, 00:37:04, serial1/2C 192.168.6.0/24 is directly connected, Loopback1D 192.168.1.0/24 [90/2681856] via 192.168.2.1, 00:45:37, Serial1/2C 192.168.2.0/24 is directly connected, serial1/2D 192.168.3.0/24 [90/3193856] via 192.168.2.1, 00:03:12, Serial1/2D * 0.0.0.0/0 [90/3193856] via 192.168.2.1, 00:03:12, Serial1/2R3 #
Type 2: R1 (config) # ip route 0.0.0.0 0.0.0.0 s1/1R1 (config) # router VPN 223R1 (config-router) # redistribute static view the route table on R3: D 192.168.5.0/24 [90/2297856] via 192.168.2.1, 01:00:35, Serial1/2C 192.168.6.0/24 is directly connected, Loopback1D 192.168.1.0/24 [90/2681856] via 192.168.2.1, 01:09:09, serial1/2C 192.168.2.0/24 is directly connected, Serial1/2D * EX 0.0.0.0/0 [170/3193856] via 192.168.2.1 2, Serial1/2R3 # www.2cto.com 3: R1 (config) # ip default-network 192.168.3.0R1 (config) # ip route 192.168.3.0 255.255.255.0 null0R1 (config) # router VPN 223R1 (config-router) # The route table of network 192.168.3.0R2 is as follows: C 192.168.5.0/24 is directly connected, Loopback1D 192.168.6.0/24 [90/2297856] via 192.168.2.2, 01:17:34, serial1/2C 192.168.1.0/24 is directly connected, Serial1/0C 192.168.2.0/24 is directly connected, Serial1/2D * 192.168.3.0/24 [90/2681856] via 192.168.1.1, 00:00:09, Serial1/0R2 # R3 # ping 192.168.8.1Type escape sequence to abort. sending 5, 100-byte ICMP Echos to 192.168.8.1, timeout is 2 seconds :!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 56/84/120 msR3 # ping 192.168.4.2Type escape sequence to abort. sending 5, 100-byte ICMP Echos to 192.168.4.2, timeout is 2 seconds :!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 64/80/124 msR3 # R1 (config) # ip default-network 0.0.0.0R1 (config) # ip route 0.0.0.0 0.0.0.0 null0R1 (config) # fig (config-router) # network 0.0.0.0C 192.168.5.0/24 is directly connected, Loopback1D 192.168.6.0/24 [90/2297856] via 192.168.2.2, 00:11:52, serial1/2C 192.168.1.0/24 is directly connected, Serial1/0C 192.168.2.0/24 is directly connected, Serial1/2D 192.168.3.0/24 [90/2681856] via 192.168.1.1, 00:03:14, serial1/0D * 0.0.0.0/0 [90/2681856] via 192.168.1.1, 00:00:11, Serial1/0R2 # R1 (config) # router VPN 223R1 (config-router) # redistribute ospf 223 metric 1000 100 255 10 1500192.168.8.0/32 is subnetted, 1 subnetsD EX 192.168.8.1 [170/3609600] via 192.168.2.1, 00:00:27, Serial1/2D EX 192.168.4.0/24 [170/3609600] via 192.168.2.1, 00:00:27, Serial1/2D 192.168.5.0/24 [90/2297856] via 192.168.2.1, 00:17:24, Serial1/2C 192.168.6.0/24 is directly connected, loopback1194257.0/32 is subnetted, 1 subnetsD EX 192.168.7.1 [170/3609600] via 192.168.2.1, 00:00:27, Serial1/2D 192.168.1.0/24 [90/2681856] via 192.168.2.1, 00:17:24, Serial1/2C 192.168.2.0/24 is directly connected, serial1/2D 192.168.3.0/24 [90/3193856] via 192.168.2.1, 00:10:11, Serial1/2
Multi-region: 1. job Requirements: & lt; 1 knowledge about the VPN protocol & lt; 2. Route redistribution on the ASBR. n. Route information learned by ospf is sent in the routing mode. n inject the default route into ospf (this is done for learning purposes, and is generally not used in reality) 2. topology

3. equipment Description: vro: cisco 36204. device Configuration command: R1 (config) # int lo 1R1 (config-if) # ip add 192.168.1.1 255.255.255.0R1 (config-if) # no shut www.2cto.com R1 (config-if) # int s1/0R1 (config-if) # ip add 192.168.2.1 255.255.255.0R1 (config-if) # no shutR1 (config) # router ospf 223R1 (config-router) # network 192.168.1.0 0.0.0.255 area 1R1 (config-router) # network 192.168.2.0 0.0.0.255 area 1R2 (config) # int s1/0 R2 (config-if) # ip add 192.1 68.2.2 255.255.255.0R2 (config-if) # no shutR2 (config) # int s1/1R2 (config-if) # ip add 192.168.3.1 255.255.255.0R2 (config-if) # no shutR2 (config-if) # int s1/2R2 (config-if) # ip add 192.168.7.1 255.255.255.0R2 (config-if) # no shutR2 (config) # router ospf 223R2 (config-router) # network 192.168.2.0 0.0.255 area 1R2 (config-router) # network 192.168.3.0 0.0.0.255 area 0R2 (config) # router VPN 223R2 (config-router) # netwo Rk 192.168.7.0R3 (config) # int s1/1R3 (config-if) # ip add 192.168.3.2 255.255.255.0R3 (config-if) # no shut R3 (config-if) # int s1/2R3 (config-if) # ip add 192.168.4.1 255.255.255.0R3 (config-if) # no shutR3 (config) # router ospf 223R3 (config-router) # network 192.168.3.0 0.0.0.255 area 0R3 (config-router) # network 192.168.4.0 0.0.0.255 area 0R4 (config) # int s1/2R4 (config-if) # ip add 192.168.4.2 255.255.255.0R4 (config-I F) # no shutR4 (config-if) # int s1/3R4 (config-if) # ip add 192.168.5.1 255.255.255.0R4 (config-if) # no shutR4 (config) # router ospf 223R4 (config-router) # network 192.168.4.0 0.0.0.255 area 0R4 (config-router) # network 192.168.5.0 0.0.0.255 area 2R5 (config) # int s1/3 R5 (config-if) # ip add 192.168.5.2 255.255.255.0R5 (config-if) # no shutR5 (config-if) # int lo1R5 (config-if) # ip add 192.168.6.1 255.255.255.0R5 (config-if) # No shutR5 (config) # router ospf 223R5 (config-router) # network 192.168.5.0 0.0.255 area 2R5 (config-router) # network 192.168.6.0 0.0.0.255 area 2R6 (config) # int s1/2R6 (config-if) # ip add 192.168.7.2 255.255.255.0R6 (config-if) # no shutR6 (config-if) # int s1/3R6 (config-if) # ip add 192.168.8.1 255.255.255.0R6 (config-if) # no shutR6 (config-if) # router VPN 223R6 (config-router) # network 192.168.7.0R6 (config-router) # Network 192.168.8.0 R7 (config) # int s 1/3R7 (config-if) # ip add 192.168.8.2 255.255.255.0R7 (config-if) # no shutR7 (config-if) # int lo1R7 (config-if) # ip add 192.168.9.1 255.255.255.0R7 (config) # router VPN 223R7 (config-router) # network 192.168.8.0R7 (config-router) # network 192.168.9.0R4 route table: C 192.168.4.0/24 is directly connected, Serial1/2C 192.168.5.0/24 is directly connected, Serial1/3192.168.6.0/32 is Subnetted, 1 subnetsO 192.168.6.1 [110/65] via 192.168.5.2, 00:10:25, Serial1/3192.168.1.0/32 is subnetted, 1 subnetsO IA 192.168.1.1 [110/193] via 192.168.4.1, 00:10:25, serial1/2O IA 192.168.2.0/24 [110/192] via 192.168.4.1, 00:10:25, Serial1/2O 192.168.3.0/24 [110/128] via 192.168.4.1, 00:12:30, serial1/2R4 # www.2cto.com C 192.168.8.0/24 is directly connected, Serial1/3C 192.168.9.0/24 is direc Tly connected, Loopback1D 192.168.7.0/24 [90/2681856] via 192.168.8.1, 00:04:43, Serial1/3 R7 # D 192.168.8.0/24 [90/2681856] via 192.168.7.2, 00:00:24, serial1/2D 192.168.9.0/24 [90/2809856] via 192.168.7.2, 00:00:24, Serial1/2O 192.168.4.0/24 [110/128] via 192.168.3.2, 00:30:14, serial1/1O IA 192.168.5.0/24 [110/192] via 192.168.3.2, 00:30:10, Serial1/11920.6.0/32 is subnetted, 1 subnetsO IA 19 20176.1 [110/193] via 192.168.3.2, 00:28:05, Serial1/1C 192.168.7.0/24 is directly connected, Serial1/2192.168.1.0/32 is subnetted, 1 subnetsO 192.168.1.1 [110/65] via 192.168.2.1, 05:35:43, serial1/0C 192.168.2.0/24 is directly connected, Serial1/0C 192.168.3.0/24 is directly connected, Serial1/1R2 #5. route redistribution on the ASBR: R2 (config) # router VPN 223R2 (config-router) # redistribute ospf 223 metric 1000 100 255 1 1500C 192.168.8.0/24 is directly connected, Serial1/3 www.2cto.com C 192.168.9.0/24 is directly connected, Loopback1D EX 192.168.4.0/24 [170/3609600] via 192.168.8.1, 00:06:27, serial1/3D EX 192.168.5.0/24 [170/3609600] via 192.168.8.1, 00:06:27, Serial1/3192.168.6.0/32 is subnetted, 1 subnetsD EX 192.168.6.1 [170/3609600] via 192.168.8.1, 00:06:27, serial1/3D 192.168.7.0/24 [90/268 1856] via 192.168.8.1, 00:11:07, Serial1/3192.168.1.0/32 is subnetted, 1 subnetsD EX 192.168.1.1 [170/3609600] via 192.168.8.1, 00:06:28, Serial1/3D EX 192.168.2.0/24 [170/3609600] via 192.168.8.1, 00:06:28, Serial1/3D EX 192.168.3.0/24 [170/3609600] via 192.168.8.1, 00:06:28, Serial1/3R7 # R2 (config) # router ospf 223R2 (config-router) # default-information originate metric 200 alwaysO IA 192.168.4.0/2 4 [110/128] via 192.168.5.1, 00:43:46, Serial1/3C 192.168.5.0/24 is directly connected, Serial1/3C 192.168.6.0/24 is directly connected, loopback1191_1.0/32 is subnetted, 1 subnetsO IA 192.168.1.1 [110/257] via 192.168.5.1, 00:43:46, Serial1/3O IA 192.168.2.0/24 [110/256] via 192.168.5.1, 00:43:46, Serial1/3O IA 192.168.3.0/24 [110/192] via 192.168.5.1, at 00:43:46, Serial1/3O * E2 0.0.0.0/0 [110/2 00] via 192.168.5.1, 00:00:04, Serial1/3R5 # www.2cto.com 6. test: R5 # ping 192.168.9.1Type escape sequence to abort. sending 5, 100-byte ICMP Echos to 192.168.9.1, timeout is 2 seconds :!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 80/163/324 msR7 # ping 192.168.1.1Type escape sequence to abort. sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds :!!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 28/77/160 MS