OSPF ENLACES VIRTUALES / OSPF VIRTUAL LINKS
Código R1 conf t int e0/0 ip add 172.20.4.253 255.255.255.252 no shut ip ospf 10 area 2 exit int e1/0 ip add 192.168.10.1 255.255.255.0 no shut ip ospf 10 area 1 exit int e1/1 ip add 192.168.11.1 255.255.255.0 no shut ip ospf 10 area 1 exit router ospf 10 router-id 1.1.1.1 area 2 virtual-link 3.3.3.3 exit ==================================== R2 conf t int e0/0 ip add 172.20.4.254 255.255.255.252 no shut ip ospf 10 area 2 exit int e1/0 ip add 172.20.8.253 255.255.255.252 no shut ip ospf 10 area 2 exit router ospf 10 router-id 2.2.2.2 exit ====================================== R3 conf t int e0/0 ip add 172.20.8.254 255.255.255.252 no shut ip ospf 10 area 2 exit int e1/0 ip add 172.20.12.253 255.255.255.252 no shut ip ospf 10 area 0 exit router ospf 10 router-id 3.3.3.3 area 2 virtual-link 1.1.1.1 exit ======================================= R4 conf t int e0/0 ip add 172.20.12.254 255.255.255.252 no shut ip osp...