Configuración de OSPF en un Cisco 3725 (IOS) y Nexus 7000 (NX-OS)
Topologia en GNS3.
Habilitamos OSPF
N7K-2(config)# feature ospfHabilitamos el proceso de OSPF
N7K-2(config)# router ospf 10 N7K-2(config-router)# router-id 10.10.10.1Habilitamos OSPF en la interface en particular
N7K-2(config)# int ethernet 2/2 N7K-2(config-if)# ip address 10.10.10.1 255.255.255.0 N7K-2(config-if)# no shutdown N7K-2(config-if)# ip router ospf 10 area 0 N7K-2(config-if)# end N7K-2#Configuración de OSPF en el Cisco 3725.
ESW1(config)#interface fastEthernet0/1 ESW1(config-if)#ip add 10.10.10.2 255.255.255.0 ESW1(config-if)#no shutdown ESW1(config)#interface fastEthernet0/0 ESW1(config-if)#ip add 10.4.4.4 255.255.255.0 ESW1(config-if)#no shutdown ESW1(config-if)#exit ESW1(config)#interface loopback2 ESW1(config-if)#ip address 10.3.3.3 255.255.255.0 ESW1(config-if)#end ESW1#show ip int brief Interface IP-Address OK? Method Status Protocol FastEthernet0/0 10.4.4.4 YES manual up up FastEthernet0/1 10.10.10.2 YES manual up up FastEthernet1/0 unassigned YES unset up down FastEthernet1/14 unassigned YES unset up down FastEthernet1/15 unassigned YES unset up down Vlan1 unassigned YES unset up down Loopback1 10.2.2.2 YES manual up up Loopback2 10.3.3.3 YES manual up up ESW1(config)#router ospf 10 ESW1(config-router)#network 10.10.10.0 0.0.0.255 area 0 *Mar 1 00:06:10.307: %OSPF-5-ADJCHG: Process 10, Nbr 10.10.10.1 on FastEthernet0/1 from LOADING to FULL, Loading Done ESW1(config-router)#networ 10.4.4.0 0.0.0.255 area 0 ESW1(config-router)#
Verificación
ESW1#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 10.10.10.1 1 FULL/BDR 00:00:33 10.10.10.1 FastEthernet0/1 ESW1 ESW1#show cdp neighbors detail ------------------------- Device ID: N7K-2(Nexus-Switch) Entry address(es): IP address: 10.10.10.1 Platform: Nexus-Switch, Capabilities: Router Switch IGMP Interface: FastEthernet0/1, Port ID (outgoing port): Ethernet2/2 Holdtime : 165 sec Version : Cisco Nexus Operating System (NX-OS) Software, Version 5.1(2) advertisement version: 2 Duplex: full ESW1#Verificación en el Cisco Nexus
N7K-2# show ip route
IP Route Table for VRF "default"
'*' denotes best ucast next-hop
'**' denotes best mcast next-hop
'[x/y]' denotes [preference/metric]
10.4.4.0/24, ubest/mbest: 1/0
*via 10.10.10.2, Eth2/2, [110/50], 00:00:11, ospf-10, intra
10.10.10.0/24, ubest/mbest: 1/0, attached
*via 10.10.10.1, Eth2/2, [0/0], 00:01:52, direct
10.10.10.1/32, ubest/mbest: 1/0, attached
*via 10.10.10.1, Eth2/2, [0/0], 00:01:52, local
N7K-2#
N7K-2# show ip ospf neighbors
OSPF Process ID 10 VRF default
Total number of neighbors: 1
Neighbor ID Pri State Up Time Address Interface
10.3.3.3 1 FULL/DR 00:00:09 10.10.10.2 Eth2/2
N7K-2# ping 10.10.10.2
PING 10.10.10.2 (10.10.10.2): 56 data bytes
64 bytes from 10.10.10.2: icmp_seq=0 ttl=254 time=10 ms
64 bytes from 10.10.10.2: icmp_seq=1 ttl=254 time=10 ms
64 bytes from 10.10.10.2: icmp_seq=2 ttl=254 time=10 ms
64 bytes from 10.10.10.2: icmp_seq=3 ttl=254 time=10 ms
64 bytes from 10.10.10.2: icmp_seq=4 ttl=254 time=10 ms
--- 10.10.10.2 ping statistics ---
5 packets transmitted, 5 packets received, 0.00% packet loss
round-trip min/avg/max = 10/10/10 ms
N7K-2#
N7K-2# ping 10.4.4.4
PING 10.4.4.4 (10.4.4.4): 56 data bytes
64 bytes from 10.4.4.4: icmp_seq=0 ttl=254 time=10 ms
64 bytes from 10.4.4.4: icmp_seq=1 ttl=254 time=10 ms
64 bytes from 10.4.4.4: icmp_seq=2 ttl=254 time=0 ms
64 bytes from 10.4.4.4: icmp_seq=3 ttl=254 time=0 ms
64 bytes from 10.4.4.4: icmp_seq=4 ttl=254 time=10 ms
--- 10.4.4.4 ping statistics ---
5 packets transmitted, 5 packets received, 0.00% packet loss
round-trip min/avg/max = 0/6/10 ms
N7K-2#
