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miércoles, 14 de abril de 2021

Configuración de ACL numeradas extendidas En GNS3

Configuración y aplicación de ACL numeradas extendidas En GNS3

Filtro extendido de ACL basado en la dirección de origen y destino, así como los protocolos de capa 4 TCP y UDP.

1.- Configurar los nombres de host en R1 y R2

2.- Configurar en R1 s1/0 como DCE para proveer un clock rate de

80640kbps a R2 más sus correspondientes direcciones IP.

3.- Configurar una ruta predeterminada estática en el R1 señalando a R2 (sobre la conexión serial entre los dos Routers). Configure también una ruta predeterminada estática en el R3 señalando al R1 vía la conexión serial entre los dos Routers y las interfaces de loopback especificadas en el diagrama.

R1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R1(config)#inter s1/0

R1(config-if)#ip add 172.16.1.1 255.255.255.192

R1(config-if)#no shu

R1(config-if)#

*Mar 1 00:09:59.939: %LINK-3-UPDOWN: Interface Serial1/0, changed state to up

R1(config-if)#

*Mar 1 00:10:00.943: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to up

R1(config-if)#clock rate 80640

R2#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R2(config)#inter s1/0

R2(config-if)#ip add 172.16.1.2 255.255.255.192

R2(config-if)#no shu

R2(config-if)#

*Mar 1 00:10:57.499: %LINK-3-UPDOWN: Interface Serial1/0, changed state to up

R2(config-if)#

*Mar 1 00:10:58.503: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to up

R2(config-if)#do ping 172.16.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/14/24 ms

R2(config-if)#end

R2#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R2(config)#ip route 0.0.0.0 0.0.0.0 s1/0 172.16.1.1

R2(config)#

R2(config)#inter loop10

R2(config-if)#ip a

*Mar 1 00:18:45.775: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback10, changed state to up

R2(config-if)#ip add 10.10.10.2 255.255.255.128

R2(config-if)#inter loop20

R2(config-if)#ip

*Mar 1 00:20:55.915: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback20, changed state to up

R2(config-if)#ip add 10.20.20.2 255.255.255.240

R2(config-if)#inter loop30

R2(config-if)#ip ad

*Mar 1 00:21:32.163: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback30, changed state to up

R2(config-if)#ip add 10.30.30.2 255.255.255.248

R2(config-if)#end

R2#sh ip inter b

Interface IP-Address OK? Method Status Protocol

FastEthernet0/0 unassigned YES unset administratively down down

FastEthernet0/1 unassigned YES unset administratively down down

Serial1/0 172.16.1.2 YES manual up up

Serial1/1 unassigned YES unset administratively down down

Serial1/2 unassigned YES unset administratively down down

Serial1/3 unassigned YES unset administratively down down

Loopback10 10.10.10.2 YES manual up up

Loopback20 10.20.20.2 YES manual up up

Loopback30 10.30.30.2 YES manual up up

R2#

R1#

R1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R1(config)#ip route 0.0.0.0 0.0.0.0 s1/0 172.16.1.2

R1(config)#inter loop10

*Mar 1 00:27:12.687: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback10, changed state to up

R1(config-if)#ip add 172.16.4.1 255.255.255.192

R1(config-if)#exit

R1(config)#inter loop20

*Mar 1 00:27:57.675: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback20, changed state to up

R1(config-if)#ip add 172.17.5.1 255.255.255.248

R1(config-if)#end

R1#

R1#sh ip inter b

Interface IP-Address OK? Method Status Protocol

FastEthernet0/0 unassigned YES unset administratively down down

FastEthernet0/1 unassigned YES unset administratively down down

Serial1/0 172.16.1.1 YES manual up up

Serial1/1 unassigned YES unset administratively down down

Serial1/2 unassigned YES unset administratively down down

Serial1/3 unassigned YES unset administratively down down

Loopback10 172.16.4.1 YES manual up up

Loopback20 172.17.5.1 YES manual up up

R1#

R2#ping 172.16.4.1 source loop10

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 172.16.4.1, timeout is 2 seconds:

Packet sent with a source address of 10.10.10.2

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 76/79/84 ms

R2#

R2#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R2(config)#enable secret CISCO

R2(config)#line vty 0 903

R2(config-line)#password CISCO

R2(config-line)#login

R2(config-line)#end

R2#

*Mar 1 00:35:48.115: %SYS-5-CONFIG_I: Configured from console by console

R2#

R1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R1(config)#enable secret CISCO

R1(config)#line vty 0 903

R1(config-line)#end

*Mar 1 00:40:22.755: %SYS-5-CONFIG_I: Configured from console by console

R1#

R2#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R2(config)#access 170 permit tcp 172.16.4.0 0.0.0.63 10.20.20.0 0.0.0.15 eq telnet

R2(config)#access-l 170 perm tcp 172.16.4.0 0.0.0.63 10.30.30.0 0.0.0.7 eq telnet

R2(config)#access- 170 perm icmp 172.17.5.0 0.0.0.7 10.10.10.0 0.0.0.127 echo

R2(config)#access 170 perm icmp 172.17.5.0 0.0.0.7 10.10.10.0 0.0.0.127 echo-reply

R2(config)#inter s1/0

R2(config-if)#ip access-group 170 in

R2(config-if)#end

R2#sh ip access-lists 170

Extended IP access list 170

10 permit tcp 172.16.4.0 0.0.0.63 10.20.20.0 0.0.0.15 eq telnet

20 permit tcp 172.16.4.0 0.0.0.63 10.30.30.0 0.0.0.7 eq telnet

30 permit icmp 172.17.5.0 0.0.0.7 10.10.10.0 0.0.0.127 echo

40 permit icmp 172.17.5.0 0.0.0.7 10.10.10.0 0.0.0.127 echo-reply

R1#

R1#telnet 10.30.30.2 /source-interface loopback10

Trying 10.30.30.2 ... Open

User Access Verification

Password:

R2>en

Password:

R2#exit

R1#telnet 10.20.20.2 /source-interface loopback10

Trying 10.20.20.2 ... Open

User Access Verification

Password:

R2>en

Password:

R2#exit

R1#ping 10.10.10.2 source loopback20

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.10.10.2, timeout is 2 seconds:

Packet sent with a source address of 172.17.5.1

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 76/80/88 ms

R1#

R2#sh ip access-lists 170

Extended IP access list 170

10 permit tcp 172.16.4.0 0.0.0.63 10.20.20.0 0.0.0.15 eq telnet (234 matches)

20 permit tcp 172.16.4.0 0.0.0.63 10.30.30.0 0.0.0.7 eq telnet (129 matches)

30 permit icmp 172.17.5.0 0.0.0.7 10.10.10.0 0.0.0.127 echo (45 matches)

40 permit icmp 172.17.5.0 0.0.0.7 10.10.10.0 0.0.0.127 echo-reply

R2#exit

R1#

IOS es genial!.

sábado, 20 de marzo de 2021

OSPF Vlan 30 Cisco

1.- https://gnulinuxcodigo.blogspot.com/2021/03/implementar-vlsm-en-una-red-vlan.html

2.- https://gnulinuxcodigo.blogspot.com/2021/03/vlans-trunk-routing-roas-cisco.html

3.- https://gnulinuxcodigo.blogspot.com/2021/02/cisco-ospf.html

4.- https://gnulinuxcodigo.blogspot.com/2021/03/ospf-vlan-30-cisco.html

Implementar VLAN 30 y comprobar conectividad. El proceso es el mismo para VLAN 40, excepto las interfaces Trunk que ya permiten el paso de VLAN 40:

1.- Switch Access interfaces Fa0/1 y Fa0/2 Allowed vlans 1,10,20,30,40.

2.- Core1 interfaces Trunk - Gig1/0/1, Gig1/0/2, Gig1/0/14, Gig1/0/15 - Permitir vlans 1,10,20,30,40

3.- Core2 interfaces Gig1/0/2, Gig1/0/14 , Gig1/0/15 Permitir vlans 1,10,20,30,40

4.- Router 2 crear vlan 30 (ROAS) - interface gigabitEthernet 0/1.30 y asignar direccionamiento IP.

5.- Switch SW-VA interface Fa0/1 Allowed vlans 1,10,20,30,40 y

switchport access vlan 30 interface fastEthernet 0/3

6.- Router 1 R1-NV crear vlan 30 - interface gigabitEthernet 0/0.30 y asignar direccionameinteo IP.

7.- Comprobar conectividad.

Access#sh inter

Access#sh interfaces tr

Access#sh interfaces trunk

Port Mode Encapsulation Status Native vlan

Fa0/1 on 802.1q trunking 1

Fa0/2 on 802.1q trunking 1

Port Vlans allowed on trunk

Fa0/1 1,10,20

Fa0/2 1,10,20

Port Vlans allowed and active in management domain

Fa0/1 1,10,20

Fa0/2 1,10,20

Port Vlans in spanning tree forwarding state and not pruned

Fa0/1 1,10,20

Fa0/2 none

Access#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Access(config)#inter

Access(config)#interface range fa

Access(config)#interface range fastEthernet 0/1-2

Access(config-if-range)#sw

Access(config-if-range)#switchport trunk allo

Access(config-if-range)#switchport trunk allowed vlan 1,10,20,30,40

Access(config-if-range)#^Z

Access#

%SYS-5-CONFIG_I: Configured from console by console

Access#wri

Building configuration...

[OK]

Access#sh inter

Access#sh interfaces tr

Access#sh interfaces trunk

Port Mode Encapsulation Status Native vlan

Fa0/1 on 802.1q trunking 1

Fa0/2 on 802.1q trunking 1

Port Vlans allowed on trunk

Fa0/1 1,10,20,30,40

Fa0/2 1,10,20,30,40

Port Vlans allowed and active in management domain

Fa0/1 1,10,20,30,40

Fa0/2 1,10,20,30,40

Port Vlans in spanning tree forwarding state and not pruned

Fa0/1 none

Fa0/2 none

Access#wri

Building configuration...

[OK]

Access#

Core1#sh interfaces trunk

Port Mode Encapsulation Status Native vlan

Gig1/0/1 on 802.1q trunking 1

Gig1/0/2 on 802.1q trunking 1

Gig1/0/14 on 802.1q trunking 1

Gig1/0/15 on 802.1q trunking 1

Port Vlans allowed on trunk

Gig1/0/1 1,10,20

Gig1/0/2 1,10,20

Gig1/0/14 1,10,20

Gig1/0/15 1,10,20

Port Vlans allowed and active in management domain

Gig1/0/1 1,10,20

Gig1/0/2 1,10,20

Gig1/0/14 1,10,20

Gig1/0/15 1,10,20

Port Vlans in spanning tree forwarding state and not pruned

Gig1/0/1 1,10,20

Gig1/0/2 1,10,20

Gig1/0/14 1,10,20

Gig1/0/15 1,10,20

Core1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Core1(config)#interfaces range gi

Core1(config)#inter

Core1(config)#interface range

Core1(config)#interface range g

Core1(config)#interface range gigabitEthernet 1/0/1-2

Core1(config-if-range)#sw

Core1(config-if-range)#switchport tr

Core1(config-if-range)#switchport trunk all

Core1(config-if-range)#switchport trunk allowed vlan 1,10,20,30,40

Core1(config-if-range)#exit

Core1(config)#interface range gigabitEthernet 1/0/14-15

Core1(config-if-range)#switchport trunk allowed vlan 1,10,20,30,40

Core1(config-if-range)#^Z

Core1#

%SYS-5-CONFIG_I: Configured from console by console

Core1#wri

Building configuration...

Compressed configuration from 7383 bytes to 3601 bytes[OK]

[OK]

Core1#sh inter

Core1#sh interfaces tr

Core1#sh interfaces trunk

Port Mode Encapsulation Status Native vlan

Gig1/0/1 on 802.1q trunking 1

Gig1/0/2 on 802.1q trunking 1

Gig1/0/14 on 802.1q trunking 1

Gig1/0/15 on 802.1q trunking 1

Port Vlans allowed on trunk

Gig1/0/1 1,10,20,30,40

Gig1/0/2 1,10,20,30,40

Gig1/0/14 1,10,20,30,40

Gig1/0/15 1,10,20,30,40

Port Vlans allowed and active in management domain

Gig1/0/1 1,10,20,30,40

Gig1/0/2 1,10,20,30,40

Gig1/0/14 1,10,20,30,40

Gig1/0/15 1,10,20,30,40

Port Vlans in spanning tree forwarding state and not pruned

Gig1/0/1 none

Gig1/0/2 none

Gig1/0/14 none

Gig1/0/15 none

Core1#

Core2#sh interfaces trunk

Port Mode Encapsulation Status Native vlan

Gig1/0/2 on 802.1q trunking 1

Gig1/0/14 on 802.1q trunking 1

Gig1/0/15 on 802.1q trunking 1

Port Vlans allowed on trunk

Gig1/0/2 1,10,20

Gig1/0/14 1,10,20

Gig1/0/15 1,10,20

Port Vlans allowed and active in management domain

Gig1/0/2 1,10,20

Gig1/0/14 1,10,20

Gig1/0/15 1,10,20

Port Vlans in spanning tree forwarding state and not pruned

Gig1/0/2 1,10,20

Gig1/0/14 1,10,20

Gig1/0/15 none

Core2#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Core2(config)#inter

Core2(config)#interface g

Core2(config)#interface gigabitEthernet 1/0/2

Core2(config-if)#sw

Core2(config-if)#switchport tr

Core2(config-if)#switchport trunk all

Core2(config-if)#switchport trunk allowed vlan 1,10,20,30,40

Core2(config-if)#^Z

Core2#

%SYS-5-CONFIG_I: Configured from console by console

Core2#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Core2(config)#inter

Core2(config)#interface g

Core2(config)#interface range gigabitEthernet 1/0/14-15

Core2(config-if-range)#sw

Core2(config-if-range)#switchport tr

Core2(config-if-range)#switchport trunk all

Core2(config-if-range)#switchport trunk allowed vlan 1,10,20,30,40

Core2(config-if-range)#^Z

Core2#

%SYS-5-CONFIG_I: Configured from console by console

Core2#wri

Building configuration...

Compressed configuration from 7383 bytes to 3601 bytes[OK]

[OK]

Core2#sh inter

Core2#sh interfaces tr

Core2#sh interfaces trunk

Port Mode Encapsulation Status Native vlan

Gig1/0/2 on 802.1q trunking 1

Gig1/0/14 on 802.1q trunking 1

Gig1/0/15 on 802.1q trunking 1

Port Vlans allowed on trunk

Gig1/0/2 1,10,20,30,40

Gig1/0/14 1,10,20,30,40

Gig1/0/15 1,10,20,30,40

Port Vlans allowed and active in management domain

Gig1/0/2 1,10,20,30,40

Gig1/0/14 1,10,20,30,40

Gig1/0/15 1,10,20,30,40

Port Vlans in spanning tree forwarding state and not pruned

Gig1/0/2 1,10,20,30,40

Gig1/0/14 none

Gig1/0/15 none

Core2#

R2-VA#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet0/0 10.16.7.6 YES manual up up

GigabitEthernet0/1 unassigned YES unset up up

GigabitEthernet0/1.10 10.16.8.1 YES manual up up

GigabitEthernet0/1.20 10.16.10.1 YES manual up up

GigabitEthernet0/2 unassigned YES unset administratively down down

FastEthernet0/0/0 unassigned YES unset up down

FastEthernet0/0/1 unassigned YES unset up down

FastEthernet0/0/2 unassigned YES unset up down

FastEthernet0/0/3 unassigned YES unset up down

Loopback0 2.2.2.2 YES manual up up

Vlan1 unassigned YES unset administratively down down

R2-VA#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R2-VA(config)#inter

R2-VA(config)#interface g

R2-VA(config)#interface gigabitEthernet 0/1.30

R2-VA(config-subif)#

%LINK-5-CHANGED: Interface GigabitEthernet0/1.30, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1.30, changed state to up

R2-VA(config-subif)#ip add

R2-VA(config-subif)#ip address 10.16.12.1 255.255.254.0

% Configuring IP routing on a LAN subinterface is only allowed if that

subinterface is already configured as part of an IEEE 802.10, IEEE 802.1Q,

or ISL vLAN.

R2-VA(config-subif)#encapsulation dot1Q

% Incomplete command.

R2-VA(config-subif)#encapsulation dot1Q 30

R2-VA(config-subif)#ip address 10.16.12.1 255.255.254.0

R2-VA(config-subif)#exit

R2-VA(config)#

R2-VA#wri

Building configuration...

[OK]

R2-VA#sh ip inter

R2-VA#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet0/0 10.16.7.6 YES manual up up

GigabitEthernet0/1 unassigned YES unset up up

GigabitEthernet0/1.10 10.16.8.1 YES manual up up

GigabitEthernet0/1.20 10.16.10.1 YES manual up up

GigabitEthernet0/1.30 10.16.12.1 YES manual up up

GigabitEthernet0/2 unassigned YES unset administratively down down

FastEthernet0/0/0 unassigned YES unset up down

FastEthernet0/0/1 unassigned YES unset up down

FastEthernet0/0/2 unassigned YES unset up down

FastEthernet0/0/3 unassigned YES unset up down

Loopback0 2.2.2.2 YES manual up up

Vlan1 unassigned YES unset administratively down down

R2-VA#

SW-VA#sh interfaces trunk

Port Mode Encapsulation Status Native vlan

Fa0/1 on 802.1q trunking 1

Port Vlans allowed on trunk

Fa0/1 1,10,20,30,40

Port Vlans allowed and active in management domain

Fa0/1 1,10,20,30,40

Port Vlans in spanning tree forwarding state and not pruned

Fa0/1 1,10,20,30,40

SW-VA#conf t

Enter configuration commands, one per line. End with CNTL/Z.

SW-VA(config)#inter

SW-VA(config)#interface fa

SW-VA(config)#interface fastEthernet 0/3

SW-VA(config-if)#sw

SW-VA(config-if)#switchport mode

SW-VA(config-if)#switchport mode acc

SW-VA(config-if)#switchport mode access

SW-VA(config-if)#sw

SW-VA(config-if)#switchport ac

SW-VA(config-if)#switchport access vlan 30

SW-VA(config-if)#^Z

SW-VA#

%SYS-5-CONFIG_I: Configured from console by console

SW-VA#wri

Building configuration...

[OK]

SW-VA#

R1-NV#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet0/0 unassigned YES unset up up

GigabitEthernet0/0.10 10.16.0.1 YES manual up up

GigabitEthernet0/0.20 10.16.2.1 YES manual up up

GigabitEthernet0/1 10.16.7.5 YES manual up up

GigabitEthernet0/2 193.37.255.2 YES DHCP up up

FastEthernet0/0/0 unassigned YES unset up down

FastEthernet0/0/1 unassigned YES unset up down

FastEthernet0/0/2 unassigned YES unset up down

FastEthernet0/0/3 unassigned YES unset up down

Serial0/1/0 unassigned YES unset down down

Serial0/1/1 unassigned YES unset down down

Loopback0 1.1.1.1 YES manual up up

Vlan1 unassigned YES unset administratively down down

R1-NV#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R1-NV(config)#inter

R1-NV(config)#interface g

R1-NV(config)#interface gigabitEthernet 0/0.30

R1-NV(config-subif)#

%LINK-5-CHANGED: Interface GigabitEthernet0/0.30, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0.30, changed state to up

R1-NV(config-subif)#ip add

R1-NV(config-subif)#ip address 10.16.4.1 255.255.254.0

% Configuring IP routing on a LAN subinterface is only allowed if that

subinterface is already configured as part of an IEEE 802.10, IEEE 802.1Q,

or ISL vLAN.

R1-NV(config-subif)#encap

R1-NV(config-subif)#encapsulation do

R1-NV(config-subif)#encapsulation dot1Q 30

R1-NV(config-subif)#ip address 10.16.4.1 255.255.254.0

R1-NV(config-subif)#^Z

R1-NV#

%SYS-5-CONFIG_I: Configured from console by console

R1-NV#wri

Building configuration...

[OK]

R1-NV#

R1-NV#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet0/0 unassigned YES unset up up

GigabitEthernet0/0.10 10.16.0.1 YES manual up up

GigabitEthernet0/0.20 10.16.2.1 YES manual up up

GigabitEthernet0/0.30 10.16.4.1 YES manual up up

GigabitEthernet0/1 10.16.7.5 YES manual up up

GigabitEthernet0/2 193.37.255.2 YES DHCP up up

FastEthernet0/0/0 unassigned YES unset up down

FastEthernet0/0/1 unassigned YES unset up down

FastEthernet0/0/2 unassigned YES unset up down

FastEthernet0/0/3 unassigned YES unset up down

Serial0/1/0 unassigned YES unset down down

Serial0/1/1 unassigned YES unset down down

Loopback0 1.1.1.1 YES manual up up

Vlan1 unassigned YES unset administratively down down

R1-NV#

Cisco es genial!.

martes, 16 de febrero de 2021

Cisco Implementar OSPF

1.- https://gnulinuxcodigo.blogspot.com/2021/03/implementar-vlsm-en-una-red-vlan.html

2.- https://gnulinuxcodigo.blogspot.com/2021/03/vlans-trunk-routing-roas-cisco.html

3.- https://gnulinuxcodigo.blogspot.com/2021/02/cisco-ospf.html

4.- https://gnulinuxcodigo.blogspot.com/2021/03/ospf-vlan-30-cisco.html

Implementar OSPF Lab Multilayer Switches y Routers:

Configurar Core1, Core2, R1, R2 y R3

1.- Usar process ID 1, y todas las redes dentro de area 0.

2.- Usar 32 bits declaraciones de red exactas para loopback.

3.- Usar declaraciones de red /21 para NV, VA, y ZA /21.

4.- Para la red 10.16.7.0/28 utilizar coincidencia exacta.

Wildcard mask 32 = 0.0.0.0

Wildcard mask /21 = 0.0.7.255

Wildcard mask /28 = 0.0.0.15

Bloque de direcciones NV = 10.16.0.0/21

Bloque de direcciones VA = 10.16.0.0/21

Bloque de direcciones ZA = 10.16.0.0/21

Direccionamiento IP en WAN - 10.16.7.0/28

R1-NV#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R1-NV(config)#interface gigabitEthernet 0/1

R1-NV(config-if)#ip add

R1-NV(config-if)#ip address 10.16.7.5 255.255.255.240

R1-NV(config-if)#no shut

%LINK-5-CHANGED: Interface GigabitEthernet0/1, changed state to up

R2-VA#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R2-VA(config)#interface gigabitEthernet 0/0

R2-VA(config-if)#ip address 10.16.7.6 255.255.255.240

R2-VA(config-if)#no shut

%LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to up

R3-FL#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R3-FL(config)#int

R3-FL(config)#interface g

R3-FL(config)#interface gigabitEthernet 0/0

R3-FL(config-if)#ip add

R3-FL(config-if)#ip address 10.16.7.7 255.255.255.240

R3-FL(config-if)#no shut

%LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to up

Que Core1 sea el Switch Root de la red:

Convertir Core1 Root de la RED:

Core1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Core1(config)#spanning-tree vlan 1,10,20,30,40 root primary

Sólo aparecen las VLANs activas 1,10,20

Core1#sh spanning-tree

VLAN0001

Spanning tree enabled protocol ieee

Root ID Priority 24577

Address 0090.0C7E.AE96

This bridge is the root

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Bridge ID Priority 24577 (priority 24576 sys-id-ext 1)

Address 0090.0C7E.AE96

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Aging Time 20

Interface Role Sts Cost Prio.Nbr Type

---------------- ---- --- --------- -------- --------------------------------

Gi1/0/1 Desg FWD 4 128.1 P2p

Gi1/0/2 Desg FWD 19 128.2 P2p

Gi1/0/14 Desg FWD 4 128.14 P2p

Gi1/0/15 Desg FWD 4 128.15 P2p

VLAN0010

Spanning tree enabled protocol ieee

Root ID Priority 24586

Address 0090.0C7E.AE96

This bridge is the root

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Bridge ID Priority 24586 (priority 24576 sys-id-ext 10)

Address 0090.0C7E.AE96

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Aging Time 20

Interface Role Sts Cost Prio.Nbr Type

---------------- ---- --- --------- -------- --------------------------------

Gi1/0/1 Desg FWD 4 128.1 P2p

Gi1/0/2 Desg FWD 19 128.2 P2p

Gi1/0/14 Desg FWD 4 128.14 P2p

Gi1/0/15 Desg FWD 4 128.15 P2p

VLAN0020

Spanning tree enabled protocol ieee

Root ID Priority 24596

Address 0090.0C7E.AE96

This bridge is the root

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Bridge ID Priority 24596 (priority 24576 sys-id-ext 20)

Address 0090.0C7E.AE96

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Aging Time 20

Interface Role Sts Cost Prio.Nbr Type

---------------- ---- --- --------- -------- --------------------------------

Gi1/0/1 Desg FWD 4 128.1 P2p

Gi1/0/2 Desg FWD 19 128.2 P2p

Gi1/0/14 Desg FWD 4 128.14 P2p

Gi1/0/15 Desg FWD 4 128.15 P2p

Crear direccionamiento IP y las interfaces loopback:

Core1 :

Core1#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet1/0/1 unassigned YES unset up up

GigabitEthernet1/0/2 unassigned YES unset up up

GigabitEthernet1/0/3 unassigned YES unset down down

GigabitEthernet1/0/4 unassigned YES unset down down

GigabitEthernet1/0/5 unassigned YES unset down down

GigabitEthernet1/0/6 unassigned YES unset down down

GigabitEthernet1/0/7 unassigned YES unset down down

GigabitEthernet1/0/8 unassigned YES unset down down

GigabitEthernet1/0/9 unassigned YES unset down down

GigabitEthernet1/0/10 unassigned YES unset down down

GigabitEthernet1/0/11 unassigned YES unset down down

GigabitEthernet1/0/12 unassigned YES unset down down

GigabitEthernet1/0/13 unassigned YES unset down down

GigabitEthernet1/0/14 unassigned YES unset up up

GigabitEthernet1/0/15 unassigned YES unset up up

GigabitEthernet1/0/16 unassigned YES unset down down

GigabitEthernet1/0/17 unassigned YES unset down down

GigabitEthernet1/0/18 unassigned YES unset down down

GigabitEthernet1/0/19 unassigned YES unset down down

GigabitEthernet1/0/20 unassigned YES unset down down

GigabitEthernet1/0/21 unassigned YES unset down down

GigabitEthernet1/0/22 unassigned YES unset down down

GigabitEthernet1/0/23 unassigned YES unset down down

GigabitEthernet1/0/24 unassigned YES unset down down

GigabitEthernet1/1/1 unassigned YES unset down down

GigabitEthernet1/1/2 unassigned YES unset down down

GigabitEthernet1/1/3 unassigned YES unset down down

GigabitEthernet1/1/4 unassigned YES unset down down

Vlan1 unassigned YES unset administratively down down

Vlan10 unassigned YES unset up up

Vlan20 unassigned YES unset up up

Vlan30 unassigned YES unset up down

Vlan40 unassigned YES unset up down

Core1#sh ip route

Default gateway is not set

Host Gateway Last Use Total Uses Interface

ICMP redirect cache is empty

Core1#

Core1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Core1(config)#inter

Core1(config)#interface vlan 10

Core1(config-if)#ip add

Core1(config-if)#ip address 10.16.0.2 255.255.255.0

Core1(config-if)#exit

Core1(config)#interface vlan 20

Core1(config-if)#ip address 10.16.2.2 255.255.255.0

Core1(config-if)#exit

Core1(config)#interface vlan 30

Core1(config-if)#ip address 10.16.4.2 255.255.254.0

Core1(config-if)#exit

Core1(config)#interface vlan 40

Core1(config-if)#ip address 10.16.6.2 255.255.254.0

Core1(config-if)#exit

Core1(config)#inter

Core1(config)#interface loo

Core1(config)#interface loopback 0

Core1(config-if)#

%LINK-5-CHANGED: Interface Loopback0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0, changed state to up

Core1(config-if)#ip add

Core1(config-if)#ip address 11.11.11.11 255.255.255.255

Core1(config-if)#end

Core1#wri

Building configuration...

Compressed configuration from 7383 bytes to 3601 bytes[OK]

[OK]

Core1#sh ip inte

Core1#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet1/0/1 unassigned YES unset up up

GigabitEthernet1/0/2 unassigned YES unset up up

GigabitEthernet1/0/3 unassigned YES unset down down

GigabitEthernet1/0/4 unassigned YES unset down down

GigabitEthernet1/0/5 unassigned YES unset down down

GigabitEthernet1/0/6 unassigned YES unset down down

GigabitEthernet1/0/7 unassigned YES unset down down

GigabitEthernet1/0/8 unassigned YES unset down down

GigabitEthernet1/0/9 unassigned YES unset down down

GigabitEthernet1/0/10 unassigned YES unset down down

GigabitEthernet1/0/11 unassigned YES unset down down

GigabitEthernet1/0/12 unassigned YES unset down down

GigabitEthernet1/0/13 unassigned YES unset down down

GigabitEthernet1/0/14 unassigned YES unset up up

GigabitEthernet1/0/15 unassigned YES unset up up

GigabitEthernet1/0/16 unassigned YES unset down down

GigabitEthernet1/0/17 unassigned YES unset down down

GigabitEthernet1/0/18 unassigned YES unset down down

GigabitEthernet1/0/19 unassigned YES unset down down

GigabitEthernet1/0/20 unassigned YES unset down down

GigabitEthernet1/0/21 unassigned YES unset down down

GigabitEthernet1/0/22 unassigned YES unset down down

GigabitEthernet1/0/23 unassigned YES unset down down

GigabitEthernet1/0/24 unassigned YES unset down down

GigabitEthernet1/1/1 unassigned YES unset down down

GigabitEthernet1/1/2 unassigned YES unset down down

GigabitEthernet1/1/3 unassigned YES unset down down

GigabitEthernet1/1/4 unassigned YES unset down down

Loopback0 11.11.11.11 YES manual up up

Vlan1 unassigned YES unset administratively down down

Vlan10 10.16.0.2 YES manual up up

Vlan20 10.16.2.2 YES manual up up

Vlan30 10.16.4.2 YES manual up down

Vlan40 10.16.6.2 YES manual up down

Core1#

Core 2 :

Core2#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet1/0/1 unassigned YES unset down down

GigabitEthernet1/0/2 unassigned YES unset up up

GigabitEthernet1/0/3 unassigned YES unset down down

GigabitEthernet1/0/4 unassigned YES unset down down

GigabitEthernet1/0/5 unassigned YES unset down down

GigabitEthernet1/0/6 unassigned YES unset down down

GigabitEthernet1/0/7 unassigned YES unset down down

GigabitEthernet1/0/8 unassigned YES unset down down

GigabitEthernet1/0/9 unassigned YES unset down down

GigabitEthernet1/0/10 unassigned YES unset down down

GigabitEthernet1/0/11 unassigned YES unset down down

GigabitEthernet1/0/12 unassigned YES unset down down

GigabitEthernet1/0/13 unassigned YES unset down down

GigabitEthernet1/0/14 unassigned YES unset up up

GigabitEthernet1/0/15 unassigned YES unset up up

GigabitEthernet1/0/16 unassigned YES unset down down

GigabitEthernet1/0/17 unassigned YES unset down down

GigabitEthernet1/0/18 unassigned YES unset down down

GigabitEthernet1/0/19 unassigned YES unset down down

GigabitEthernet1/0/20 unassigned YES unset down down

GigabitEthernet1/0/21 unassigned YES unset down down

GigabitEthernet1/0/22 unassigned YES unset down down

GigabitEthernet1/0/23 unassigned YES unset down down

GigabitEthernet1/0/24 unassigned YES unset down down

GigabitEthernet1/1/1 unassigned YES unset down down

GigabitEthernet1/1/2 unassigned YES unset down down

GigabitEthernet1/1/3 unassigned YES unset down down

GigabitEthernet1/1/4 unassigned YES unset down down

Vlan1 unassigned YES unset administratively down down

Vlan10 unassigned YES unset up up

Vlan20 unassigned YES unset up up

Vlan30 unassigned YES unset up down

Vlan40 unassigned YES unset up down

Core2#sh ip route

Default gateway is not set

Host Gateway Last Use Total Uses Interface

ICMP redirect cache is empty

Core2#

Core2#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Core2(config)#inter

Core2(config)#interface vlan 10

Core2(config-if)#ip add

Core2(config-if)#ip address 10.16.0.3 255.255.255.0

Core2(config-if)#exit

Core2(config)#interface vlan 20

Core2(config-if)#ip address 10.16.2.3 255.255.255.0

Core2(config-if)#exit

Core2(config)#interface vlan 30

Core2(config-if)#ip address 10.16.4.3 255.255.254.0

Core2(config-if)#exit

Core2(config)#interface vlan 40

Core2(config-if)#ip address 10.16.6.3 255.255.254.0

Core2(config-if)#exit

Core2(config)#interface loopback 0

Core2(config-if)#ip address 22.22.22.22 255.255.255.255

Core2(config-if)#

%LINK-5-CHANGED: Interface Loopback0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0, changed state to up

Core2(config-if)#^Z

Core2#

%SYS-5-CONFIG_I: Configured from console by console

Core2#wri

Building configuration...

Compressed configuration from 7383 bytes to 3601 bytes[OK]

[OK]

Core2#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet1/0/1 unassigned YES unset down down

GigabitEthernet1/0/2 unassigned YES unset up up

GigabitEthernet1/0/3 unassigned YES unset down down

GigabitEthernet1/0/4 unassigned YES unset down down

GigabitEthernet1/0/5 unassigned YES unset down down

GigabitEthernet1/0/6 unassigned YES unset down down

GigabitEthernet1/0/7 unassigned YES unset down down

GigabitEthernet1/0/8 unassigned YES unset down down

GigabitEthernet1/0/9 unassigned YES unset down down

GigabitEthernet1/0/10 unassigned YES unset down down

GigabitEthernet1/0/11 unassigned YES unset down down

GigabitEthernet1/0/12 unassigned YES unset down down

GigabitEthernet1/0/13 unassigned YES unset down down

GigabitEthernet1/0/14 unassigned YES unset up up

GigabitEthernet1/0/15 unassigned YES unset up up

GigabitEthernet1/0/16 unassigned YES unset down down

GigabitEthernet1/0/17 unassigned YES unset down down

GigabitEthernet1/0/18 unassigned YES unset down down

GigabitEthernet1/0/19 unassigned YES unset down down

GigabitEthernet1/0/20 unassigned YES unset down down

GigabitEthernet1/0/21 unassigned YES unset down down

GigabitEthernet1/0/22 unassigned YES unset down down

GigabitEthernet1/0/23 unassigned YES unset down down

GigabitEthernet1/0/24 unassigned YES unset down down

GigabitEthernet1/1/1 unassigned YES unset down down

GigabitEthernet1/1/2 unassigned YES unset down down

GigabitEthernet1/1/3 unassigned YES unset down down

GigabitEthernet1/1/4 unassigned YES unset down down

Loopback0 22.22.22.22 YES manual up up

Vlan1 unassigned YES unset administratively down down

Vlan10 10.16.0.3 YES manual up up

Vlan20 10.16.2.3 YES manual up up

Vlan30 10.16.4.3 YES manual up down

Vlan40 10.16.6.3 YES manual up down

Core2#

Router 1 (R1-NV):

R1-NV#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet0/0 unassigned YES unset up up

GigabitEthernet0/0.10 10.16.0.1 YES manual up up

GigabitEthernet0/0.20 10.16.2.1 YES manual up up

GigabitEthernet0/1 10.16.7.5 YES manual up up

GigabitEthernet0/2 193.37.255.2 YES DHCP up up

FastEthernet0/0/0 unassigned YES unset up down

FastEthernet0/0/1 unassigned YES unset up down

FastEthernet0/0/2 unassigned YES unset up down

FastEthernet0/0/3 unassigned YES unset up down

Serial0/1/0 unassigned YES unset down down

Serial0/1/1 unassigned YES unset down down

Vlan1 unassigned YES unset administratively down down

R1-NV#

R1-NV#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R1-NV(config)#interface lo

R1-NV(config)#interface loopback 0

R1-NV(config-if)#

%LINK-5-CHANGED: Interface Loopback0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0, changed state to up

R1-NV(config-if)#ip address 1.1.1.1 255.255.255.255

R1-NV(config-if)#^Z

R1-NV#

%SYS-5-CONFIG_I: Configured from console by console

R1-NV#

R1-NV#wri

Building configuration...

[OK]

R1-NV#sh ip inter

R1-NV#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet0/0 unassigned YES unset up up

GigabitEthernet0/0.10 10.16.0.1 YES manual up up

GigabitEthernet0/0.20 10.16.2.1 YES manual up up

GigabitEthernet0/1 10.16.7.5 YES manual up up

GigabitEthernet0/2 193.37.255.2 YES DHCP up up

FastEthernet0/0/0 unassigned YES unset up down

FastEthernet0/0/1 unassigned YES unset up down

FastEthernet0/0/2 unassigned YES unset up down

FastEthernet0/0/3 unassigned YES unset up down

Serial0/1/0 unassigned YES unset down down

Serial0/1/1 unassigned YES unset down down

Loopback0 1.1.1.1 YES manual up up

Vlan1 unassigned YES unset administratively down down

R1-NV#

Router 2 (R2-VA):

R2-VA#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet0/0 10.16.7.6 YES manual up up

GigabitEthernet0/1 unassigned YES unset up up

GigabitEthernet0/1.10 10.16.8.1 YES manual up up

GigabitEthernet0/1.20 10.16.10.1 YES manual up up

GigabitEthernet0/2 unassigned YES unset administratively down down

FastEthernet0/0/0 unassigned YES unset up down

FastEthernet0/0/1 unassigned YES unset up down

FastEthernet0/0/2 unassigned YES unset up down

FastEthernet0/0/3 unassigned YES unset up down

Vlan1 unassigned YES unset administratively down down

R2-VA#

R2-VA#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R2-VA(config)#inter

R2-VA(config)#interface lo

R2-VA(config)#interface loopback 0

R2-VA(config-if)#

%LINK-5-CHANGED: Interface Loopback0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0, changed state to up

R2-VA(config-if)#ip address 2.2.2.2 255.255.255.0

R2-VA(config-if)#^Z

R2-VA#

%SYS-5-CONFIG_I: Configured from console by console

R2-VA#wri

Building configuration...

[OK]

R2-VA#sh ip inte

R2-VA#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet0/0 10.16.7.6 YES manual up up

GigabitEthernet0/1 unassigned YES unset up up

GigabitEthernet0/1.10 10.16.8.1 YES manual up up

GigabitEthernet0/1.20 10.16.10.1 YES manual up up

GigabitEthernet0/2 unassigned YES unset administratively down down

FastEthernet0/0/0 unassigned YES unset up down

FastEthernet0/0/1 unassigned YES unset up down

FastEthernet0/0/2 unassigned YES unset up down

FastEthernet0/0/3 unassigned YES unset up down

Loopback0 2.2.2.2 YES manual up up

Vlan1 unassigned YES unset administratively down down

R2-VA#

R2-VA#wri

Building configuration...

[OK]

R2-VA#

Router 3 (R3-ZA):

R3-FL#sh ip inter

R3-FL#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet0/0 10.16.7.7 YES manual up up

GigabitEthernet0/1 10.16.16.1 YES manual up up

GigabitEthernet0/2 unassigned YES unset administratively down down

FastEthernet0/0/0 unassigned YES unset up down

FastEthernet0/0/1 unassigned YES unset up down

FastEthernet0/0/2 unassigned YES unset up down

FastEthernet0/0/3 unassigned YES unset up down

Loopback0 3.3.3.3 YES manual up up

Vlan1 unassigned YES unset administratively down down

R3-FL#

R3-FL#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R3-FL(config)#interface loo

R3-FL(config)#interface loopback 0

R3-FL(config-if)#

%LINK-5-CHANGED: Interface Loopback0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0, changed state to up

R3-FL(config-if)#ip address 3.3.3.3 255.255.255.0

R3-FL(config-if)#^Z

R3-FL#

%SYS-5-CONFIG_I: Configured from console by console

R3-FL#wri

Building configuration...

[OK]

R3-FL#sh ip inter

R3-FL#sh ip interface b

Interface IP-Address OK? Method Status Protocol

GigabitEthernet0/0 10.16.7.7 YES manual up up

GigabitEthernet0/1 192.168.3.1 YES manual up up

GigabitEthernet0/2 unassigned YES unset administratively down down

FastEthernet0/0/0 unassigned YES unset up down

FastEthernet0/0/1 unassigned YES unset up down

FastEthernet0/0/2 unassigned YES unset up down

FastEthernet0/0/3 unassigned YES unset up down

Loopback0 3.3.3.3 YES manual up up

Vlan1 unassigned YES unset administratively down down

R3-FL#

Implementar OSPF:

Core1#sh ip route connected

C 10.16.0.0/24 is directly connected, Vlan10

C 10.16.2.0/24 is directly connected, Vlan20

C 11.11.11.11/32 is directly connected, Loopback0

Core1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Core1(config)#ip routing

Core1(config)#router

Core1(config)#router ospf 1

Core1(config-router)#network 22.22.22.22 0.0.0.0 area 0

Core1(config-router)#netwo

Core1(config-router)#network 10.16.0.0 0.0.7.255 area 0

Core1(config-router)#^Z

Core1#

%SYS-5-CONFIG_I: Configured from console by console

Core1#wri

Building configuration...

Compressed configuration from 7383 bytes to 3601 bytes[OK]

[OK]

Core1#

Core1#sh ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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

10.0.0.0/24 is subnetted, 2 subnets

C 10.16.0.0 is directly connected, Vlan10

C 10.16.2.0 is directly connected, Vlan20

11.0.0.0/32 is subnetted, 1 subnets

C 11.11.11.11 is directly connected, Loopback0

Core1#sh ip protocols

Routing Protocol is "ospf 1"

Outgoing update filter list for all interfaces is not set

Incoming update filter list for all interfaces is not set

Router ID 11.11.11.11

Number of areas in this router is 1. 1 normal 0 stub 0 nssa

Maximum path: 4

Routing for Networks:

22.22.22.22 0.0.0.0 area 0

10.16.0.0 0.0.7.255 area 0

Routing Information Sources:

Gateway Distance Last Update

11.11.11.11 110 00:01:21

Distance: (default is 110)

Core1#wri

Building configuration...

Compressed configuration from 7383 bytes to 3601 bytes[OK]

[OK]

Core1#

Core2:

Core2#sh ip route connected

C 10.16.0.0/24 is directly connected, Vlan10

C 10.16.2.0/24 is directly connected, Vlan20

C 22.22.22.22/32 is directly connected, Loopback0

Core2#

Core2#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Core2(config)#ip routing

Core2(config)#router ospf 1

Core2(config-router)#networ

Core2(config-router)#network 22.22.22.22 0.0.0.0 area 0

Core2(config-router)#network 10.16.0.0 0.0.7.255 area 0

Core2(config-router)#^Z

Core2#

%SYS-5-CONFIG_I: Configured from console by console

Core2#wri

Building configuration...

Compressed configuration from 7383 bytes to 3601 bytes[OK]

[OK]

Core2#sh ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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

10.0.0.0/24 is subnetted, 2 subnets

C 10.16.0.0 is directly connected, Vlan10

C 10.16.2.0 is directly connected, Vlan20

22.0.0.0/32 is subnetted, 1 subnets

C 22.22.22.22 is directly connected, Loopback0

00:44:53: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on Vlan10 from LOADING to FULL, Loading Done

00:44:53: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on Vlan20 from LOADING to FULL, Loading Done

Core2#sh ip protocols

Routing Protocol is "ospf 1"

Outgoing update filter list for all interfaces is not set

Incoming update filter list for all interfaces is not set

Router ID 22.22.22.22

Number of areas in this router is 1. 1 normal 0 stub 0 nssa

Maximum path: 4

Routing for Networks:

22.22.22.22 0.0.0.0 area 0

10.16.0.0 0.0.7.255 area 0

Routing Information Sources:

Gateway Distance Last Update

11.11.11.11 110 00:00:10

22.22.22.22 110 00:00:10

Distance: (default is 110)

Core2#

Router 1 (R1-NV):

R1-NV#sh ip route connected

C 1.1.1.1/32 is directly connected, Loopback0

C 10.16.0.0/24 is directly connected, GigabitEthernet0/0.10

C 10.16.2.0/24 is directly connected, GigabitEthernet0/0.20

C 10.16.7.0/28 is directly connected, GigabitEthernet0/1

C 193.37.255.0/30 is directly connected, GigabitEthernet0/2

R1-NV(config)#router ospf 1

R1-NV(config-router)#networ

R1-NV(config-router)#network 1.1.1.1 0.0.0.0 area 1

R1-NV(config-router)#network 10.16.8.0 0.0.7.255 area 0

R1-NV(config-router)#network 10.16.0.0 0.0.7.255 area 0

R1-NV(config-router)#

03:02:40: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on GigabitEthernet0/0.10 from LOADING to FULL, Loading Done

03:02:40: %OSPF-5-ADJCHG: Process 1, Nbr 22.22.22.22 on GigabitEthernet0/0.10 from LOADING to FULL, Loading Done

03:02:40: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on GigabitEthernet0/0.20 from LOADING to FULL, Loading Done

03:02:40: %OSPF-5-ADJCHG: Process 1, Nbr 22.22.22.22 on GigabitEthernet0/0.20 from LOADING to FULL, Loading Done

R1-NV(config-router)#

R1-NV#wri

Building configuration...

[OK]

R1-NV#sh 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, E - EGP

i - IS-IS, 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 193.37.255.1 to network 0.0.0.0

1.0.0.0/32 is subnetted, 1 subnets

C 1.1.1.1/32 is directly connected, Loopback0

10.0.0.0/8 is variably subnetted, 6 subnets, 3 masks

C 10.16.0.0/24 is directly connected, GigabitEthernet0/0.10

L 10.16.0.1/32 is directly connected, GigabitEthernet0/0.10

C 10.16.2.0/24 is directly connected, GigabitEthernet0/0.20

L 10.16.2.1/32 is directly connected, GigabitEthernet0/0.20

C 10.16.7.0/28 is directly connected, GigabitEthernet0/1

L 10.16.7.5/32 is directly connected, GigabitEthernet0/1

22.0.0.0/32 is subnetted, 1 subnets

O 22.22.22.22/32 [110/2] via 10.16.0.3, 00:00:28, GigabitEthernet0/0.10

[110/2] via 10.16.2.3, 00:00:28, GigabitEthernet0/0.20

193.37.255.0/24 is variably subnetted, 2 subnets, 2 masks

C 193.37.255.0/30 is directly connected, GigabitEthernet0/2

L 193.37.255.2/32 is directly connected, GigabitEthernet0/2

S* 0.0.0.0/0 [254/0] via 193.37.255.1

R1-NV#sh ip protocols

Routing Protocol is "ospf 1"

Outgoing update filter list for all interfaces is not set

Incoming update filter list for all interfaces is not set

Router ID 1.1.1.1

Number of areas in this router is 2. 2 normal 0 stub 0 nssa

Maximum path: 4

Routing for Networks:

1.1.1.1 0.0.0.0 area 1

10.16.8.0 0.0.7.255 area 0

10.16.0.0 0.0.7.255 area 0

Routing Information Sources:

Gateway Distance Last Update

1.1.1.1 110 00:12:13

2.2.2.2 110 00:12:13

3.3.3.3 110 00:09:04

11.11.11.11 110 00:19:25

22.22.22.22 110 00:19:25

Distance: (default is 110)

R1-NV#sh ip ospf ne

R1-NV#sh ip ospf neighbor

Neighbor ID Pri State Dead Time Address Interface

2.2.2.2 1 FULL/BDR 00:00:38 10.16.7.6 GigabitEthernet0/1

3.3.3.3 1 FULL/DROTHER 00:00:36 10.16.7.7 GigabitEthernet0/1

11.11.11.11 1 FULL/BDR 00:00:35 10.16.0.2 GigabitEthernet0/0.10

22.22.22.22 1 FULL/DR 00:00:35 10.16.0.3 GigabitEthernet0/0.10

22.22.22.22 1 FULL/DR 00:00:35 10.16.2.3 GigabitEthernet0/0.20

11.11.11.11 1 FULL/BDR 00:00:35 10.16.2.2 GigabitEthernet0/0.20

R1-NV#

Router 2 (R2-VA):

R2-VA#sh ip route connected

C 2.2.2.0/24 is directly connected, Loopback0

C 10.16.7.0/28 is directly connected, GigabitEthernet0/0

C 10.16.8.0/24 is directly connected, GigabitEthernet0/1.10

C 10.16.10.0/24 is directly connected, GigabitEthernet0/1.20

R2-VA#

R2-VA#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R2-VA(config)#router ospf 1

R2-VA(config-router)#network 2.2.2.2 0.0.0.0 area 0

R2-VA(config-router)#network 10.16.8.0 0.0.7.255 area 0

R2-VA(config-router)#network 10.16.7.0 0.0.0.15 area 0

R2-VA(config-router)#^Z

R2-VA#

%SYS-5-CONFIG_I: Configured from console by console

R2-VA#

03:05:09: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on GigabitEthernet0/0 from LOADING to FULL, Loading Done

R2-VA#

03:08:13: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on GigabitEthernet0/0 from LOADING to FULL, Loading Done

R2-VA#sh 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, E - EGP

i - IS-IS, 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

1.0.0.0/32 is subnetted, 1 subnets

O IA 1.1.1.1/32 [110/2] via 10.16.7.5, 00:01:14, GigabitEthernet0/0

2.0.0.0/8 is variably subnetted, 2 subnets, 2 masks

C 2.2.2.0/24 is directly connected, Loopback0

L 2.2.2.2/32 is directly connected, Loopback0

10.0.0.0/8 is variably subnetted, 8 subnets, 3 masks

O 10.16.0.0/24 [110/2] via 10.16.7.5, 00:01:14, GigabitEthernet0/0

O 10.16.2.0/24 [110/2] via 10.16.7.5, 00:01:14, GigabitEthernet0/0

C 10.16.7.0/28 is directly connected, GigabitEthernet0/0

L 10.16.7.6/32 is directly connected, GigabitEthernet0/0

C 10.16.8.0/24 is directly connected, GigabitEthernet0/1.10

L 10.16.8.1/32 is directly connected, GigabitEthernet0/1.10

C 10.16.10.0/24 is directly connected, GigabitEthernet0/1.20

L 10.16.10.1/32 is directly connected, GigabitEthernet0/1.20

22.0.0.0/32 is subnetted, 1 subnets

O 22.22.22.22/32 [110/3] via 10.16.7.5, 00:01:14, GigabitEthernet0/0

R2-VA#wri

Building configuration...

[OK]

R2-VA#sh ip protocols

Routing Protocol is "ospf 1"

Outgoing update filter list for all interfaces is not set

Incoming update filter list for all interfaces is not set

Router ID 2.2.2.2

Number of areas in this router is 1. 1 normal 0 stub 0 nssa

Maximum path: 4

Routing for Networks:

2.2.2.2 0.0.0.0 area 0

10.16.8.0 0.0.7.255 area 0

10.16.7.0 0.0.0.15 area 0

Routing Information Sources:

Gateway Distance Last Update

1.1.1.1 110 00:13:55

2.2.2.2 110 00:13:55

3.3.3.3 110 00:10:46

11.11.11.11 110 00:21:07

22.22.22.22 110 00:21:07

Distance: (default is 110)

R2-VA#sh ip ospf ne

R2-VA#sh ip ospf neighbor

Neighbor ID Pri State Dead Time Address Interface

1.1.1.1 1 FULL/DR 00:00:30 10.16.7.5 GigabitEthernet0/0

3.3.3.3 1 FULL/DROTHER 00:00:32 10.16.7.7 GigabitEthernet0/0

R2-VA#

Router 3 (R#_ZA):

R3-FL#sh ip route connected

C 3.3.3.0/24 is directly connected, Loopback0

C 10.16.7.0/28 is directly connected, GigabitEthernet0/0

C 10.16.16.0/24 is directly connected, GigabitEthernet0/1

R3-FL#

R3-FL#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R3-FL(config)#router ospf 1

R3-FL(config-router)#network 3.3.3.3 0.0.0.0 area 0

R3-FL(config-router)#network 10.16.16.0 0.0.7.255

% Incomplete command.

R3-FL(config-router)#network 10.16.16.0 0.0.7.255 area 0

R3-FL(config-router)#network 10.16.7.0 0.0.0.15 area 0

R3-FL(config-router)#^Z

R3-FL#

%SYS-5-CONFIG_I: Configured from console by console

R3-FL#

03:08:13: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on GigabitEthernet0/0 from LOADING to FULL, Loading Done

03:08:19: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on GigabitEthernet0/0 from LOADING to FULL, Loading Done

R3-FL#sh 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, E - EGP

i - IS-IS, 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

1.0.0.0/32 is subnetted, 1 subnets

O IA 1.1.1.1/32 [110/2] via 10.16.7.5, 00:04:51, GigabitEthernet0/0

2.0.0.0/32 is subnetted, 1 subnets

O 2.2.2.2/32 [110/2] via 10.16.7.6, 00:04:51, GigabitEthernet0/0

3.0.0.0/8 is variably subnetted, 2 subnets, 2 masks

C 3.3.3.0/24 is directly connected, Loopback0

L 3.3.3.3/32 is directly connected, Loopback0

10.0.0.0/8 is variably subnetted, 6 subnets, 3 masks

O 10.16.0.0/24 [110/2] via 10.16.7.5, 00:04:51, GigabitEthernet0/0

O 10.16.2.0/24 [110/2] via 10.16.7.5, 00:04:51, GigabitEthernet0/0

C 10.16.7.0/28 is directly connected, GigabitEthernet0/0

L 10.16.7.7/32 is directly connected, GigabitEthernet0/0

O 10.16.8.0/24 [110/2] via 10.16.7.6, 00:04:51, GigabitEthernet0/0

O 10.16.10.0/24 [110/2] via 10.16.7.6, 00:04:51, GigabitEthernet0/0

22.0.0.0/32 is subnetted, 1 subnets

O 22.22.22.22/32 [110/3] via 10.16.7.5, 00:04:51, GigabitEthernet0/0

192.168.3.0/24 is variably subnetted, 2 subnets, 2 masks

C 192.168.3.0/24 is directly connected, GigabitEthernet0/1

L 192.168.3.1/32 is directly connected, GigabitEthernet0/1

R3-FL#sh ip protocols

Routing Protocol is "ospf 1"

Outgoing update filter list for all interfaces is not set

Incoming update filter list for all interfaces is not set

Router ID 3.3.3.3

Number of areas in this router is 1. 1 normal 0 stub 0 nssa

Maximum path: 4

Routing for Networks:

3.3.3.3 0.0.0.0 area 0

10.16.16.0 0.0.7.255 area 0

10.16.7.0 0.0.0.15 area 0

Routing Information Sources:

Gateway Distance Last Update

1.1.1.1 110 00:06:53

2.2.2.2 110 00:06:53

3.3.3.3 110 00:03:43

11.11.11.11 110 00:14:05

22.22.22.22 110 00:14:05

Distance: (default is 110)

R3-FL#sh ip ospf neighbor

Neighbor ID Pri State Dead Time Address Interface

2.2.2.2 1 FULL/BDR 00:00:39 10.16.7.6 GigabitEthernet0/0

1.1.1.1 1 FULL/DR 00:00:35 10.16.7.5 GigabitEthernet0/0

R3-FL#

Comprobando conectividad, sólo las permitidas VLAN 10 y VLAN 20:

Cisco es genial!.

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