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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!.

domingo, 11 de abril de 2021

ACLs Inbound Cisco GNS3

Configurar y aplicar Extended Numbered ACLs Inbound en GNS3:



Configurar R1 y R2 para permitir acceso vía telnet.

R2(config)#enable secret CISCO
R2(config)#line vt
R2(config)#line vty 0 903
R2(config-line)#password CISCO
R2(config-line)#login
R2(config-line)#end 
R1(config)#enable secret CISCO
R1(config)#line vt
R1(config)#line vty 0 903
R1(config-line)#password CISCO
R1(config-line)#login
R1(config-line)#end 

Implementar las direcciones IP correspondientes a las interfaces seriales 1/0, en R1 y R2.

R1#conf t
R1(config)#inter se1/0 
R1(config-if)#ip addr 172.16.1.1 255.255.255.192
R1(config-if)#no shut

R2#conf t
R2(config)#inter
R2(config)#interface se1/0
R2(config-if)#ip addr 172.16.1.2 255.255.255.192
R2(config-if)#no shut

Configurar las interfaces loopback 10,20 y 30 y sus correspondientes IPs:

R2(config)#interface loopback 10               
R2(config-if)#ip add 10.10.10.3  255.255.255.128
R2(config-if)#exit
R2(config)#interface loopback 20               
R2(config-if)#ip add 10.20.20.3  255.255.255.240
R2(config-if)#exit
R2(config)#interface loopback 30               
R2(config-if)#ip add 10.30.30.3  255.255.255.248 

Este comando establece una ruta predeterminada para subredes de destino que no están en la tabla de enrutamiento, "gateway del último recurso" configurado en su tabla de rutas IP.

R1(config)#ip route 0.0.0.0 0.0.0.0 172.16.1.2 
R2(config)#ip route 0.0.0.0 0.0.0.0 172.16.1.1 

Access-lists (R1).

R1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#access-list 150 deny tcp 10.20.20.0 0.0.0.15 any eq telnet
R1(config)#access-list 150 permit tcp 10.30.30.0 0.0.0.7 any eq telnet
R1(config)#access-list 150 permit icmp 10.20.20.0 0.0.0.15 any echo
R1(config)#inter s1/0
R1(config-if)#ip access-group 150 in
R1(config-if)#^Z   

R1#sh ip access-lists 
Extended IP access list 150
    10 deny tcp 10.20.20.0 0.0.0.15 any eq telnet
    20 permit tcp 10.30.30.0 0.0.0.7 any eq telnet
    30 permit icmp 10.20.20.0 0.0.0.15 any echo
    40 permit tcp 10.10.10.0 0.0.0.127 any eq telnet

R2#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:
UUUUU
Success rate is 0 percent (0/5)
R2#telnet 172.16.1.1 /source- 
R2#telnet 172.16.1.1 /source-interface loopback
R2#telnet 172.16.1.1 /source-interface loopback 20
Trying 172.16.1.1 ... 
% Destination unreachable; gateway or host down

R2#telnet 172.16.1.1 /source-interface loopback 30
Trying 172.16.1.1 ... Open

User Access Verification

Password: 
R1>en
Password: 
R1#exit

[Connection to 172.16.1.1 closed by foreign host]

R2#ping 172.16.1.1 source 10.20.20.3

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.1.1, timeout is 2 seconds:
Packet sent with a source address of 10.20.20.3 
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 16/21/24 ms
R2#telnet 172.16.1.1 /source-interface loopback 10
Trying 172.16.1.1 ... Open

User Access Verification

Password: 
R1>en
Password: 
R1#exit

Permitir ping a la interface serial 1/0 de R1

R1(config)#access-list 150 permit icmp 172.16.1.0 0.0.0.127 any echo

R1#sh ip access-lists 
Extended IP access list 150
    10 deny tcp 10.20.20.0 0.0.0.15 any eq telnet (3 matches)
    20 permit tcp 10.30.30.0 0.0.0.7 any eq telnet (174 matches)
    30 permit icmp 10.20.20.0 0.0.0.15 any echo (30 matches)
    40 permit tcp 10.10.10.0 0.0.0.127 any eq telnet (111 matches)
    50 permit icmp 172.16.1.0 0.0.0.63 any echo (15 matches)
R1#

R2#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 = 76/77/80 ms
R2#


GNS3 es genial!.

lunes, 29 de marzo de 2021

Configurar y permitir el enrutamiento inter-VLAN Cisco EVE-NG

En computación, un Router on A Stick (ROAS), es un router que tiene una sola conexión física o lógica a una red. Es un método de ruteo inter-VLAN (redes de área local virtual) donde un router está conectado a un Switch vía un solo cable. El router tiene conexiones físicas a los dominios de broadcast donde uno o más VLAN requieren de enrutamiento entre ellos.



Configurar Sw1 y Sw2 como switches VTP transparentes:

Sw1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Sw1(config)#vtp mode Transparent
Setting device to VTP TRANSPARENT mode.
Sw1(config)#vtp domain CISCO
Changing VTP domain name from NULL to CISCO
Sw1(config)#vtp password cisco-vtp
Setting device VLAN database password to cisco-vtp
Sw1(config)#do sh vtp status
VTP Version                     : 2
Configuration Revision          : 0
Maximum VLANs supported locally : 36
Number of existing VLANs        : 5
VTP Operating Mode              : Transparent
VTP Domain Name                 : CISCO
VTP Pruning Mode                : Disabled
VTP V2 Mode                     : Disabled
VTP Traps Generation            : Disabled
MD5 digest                      : 0xC3 0xD3 0x78 0x64 0x81 0xE5 0xE4 0x17
Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00
Sw1(config)#

Sw2#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Sw2(config)#vtp mode Transparent
Setting device to VTP TRANSPARENT mode.
Sw2(config)#vtp domain CISCO
Changing VTP domain name from NULL to CISCO
Sw2(config)#vtp password cisco-vtp
Setting device VLAN database password to cisco-vtp
Sw2(config)#do sh vtp status
VTP Version                     : 2
Configuration Revision          : 0
Maximum VLANs supported locally : 36
Number of existing VLANs        : 5
VTP Operating Mode              : Transparent
VTP Domain Name                 : CISCO
VTP Pruning Mode                : Disabled
VTP V2 Mode                     : Disabled
VTP Traps Generation            : Disabled
MD5 digest                      : 0xC3 0xD3 0x78 0x64 0x81 0xE5 0xE4 0x17
Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00
Sw2(config)#

Vlans 10,20,30,40 y su nombre correspondiente. Interface e0/0 y e0/1 modo trunk, permitir vlan 1,10,20,30,40. Interface e0/2 access vlan 20.

Sw1#config t
Enter configuration commands, one per line. End with CNTL/Z. 
Sw1(config)#interface e0/0
Sw1(config-if)#switchport mode trunk
Sw1(config-if)#exit
Sw1(config)#vlan 10
Sw1(config-vlan)#name SALES
Sw1(config-vlan)#exit
Sw1(config)#vlan 20
Sw1(config-vlan)#name STATIC
Sw1(config-vlan)#exit
Sw1(config)#vlan 30
Sw1(config-vlan)#name ADMIN
Sw1(config-vlan)#exit
Sw1(config)#interface e0/0
Sw1(config-if)#switchport trunk allowed vlan 1,10,20,30,40
Sw1(config)#vlan 40
Sw1(config-vlan)#name VoIP 
Sw1(config-vlan)#exit
Sw1(config)#interface e0/1 
Sw1(config-if)#switchport mode trunk 
Sw1(config-if)#switchport trunk allowed vlan 1,10,20,30,40
Sw1(config-if)#exit
Sw1(config)#interface e0/2 
Sw1(config-if)#switchport mode access 
Sw1(config-if)#switchport access vlan 20 
Sw1(config-if)#end
Sw1#

Verificar interfaces trunk en sw1:

Sw1#sh interfaces trunk

Port        Mode          Encapsulation  Status      Native vlan
Et0/0       on               802.1q         trunking      1
Et0/1       on               802.1q         trunking      1

Port        Vlans allowed on trunk
Et0/0       1,10,20,30,40
Et0/1       1,10,20,30,40

Port        Vlans allowed and active in management domain
Et0/0       1,10,20,30,40
Et0/1       1,10,20,30,40

Port        Vlans in spanning tree forwarding state and not pruned
Et0/0       1,10,20,30,40
Et0/1       1,10,20,30,40
Sw1#

Vlans Switch 1:

Sw1#sh vlan b

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                         active    Et0/3
10   SALES                       active
20   STATIC                      active    Et0/2
30   ADMIN                      active
40   VoIP                            active
1002 fddi-default               act/unsup
1003 token-ring-default     act/unsup
1004 fddinet-default          act/unsup
1005 trnet-default              act/unsup
Sw1#

Vlans 10,20,30,40 y su nombre correspondiente. Interface e0/0 modo trunk, permitir vlan 1,10,20,30,40. Interface e0/1 access vlan 30, interface e0/2 access vlan 40.

Sw2#config t
Enter configuration commands, one per line. End with CNTL/Z.
Sw2(config)#interface e0/0 
Sw2(config-if)#switchport mode trunk 
Sw2(config-if)#exit
Sw2(config)#vlan 10 
Sw2(config-vlan)#name SALES 
Sw2(config-vlan)#exit
Sw2(config)#vlan 20 
Sw2(config-vlan)#name STATIC 
Sw2(config-vlan)#exit
Sw2(config)#vlan 30 
Sw2(config-vlan)#name ADMIN 
Sw2(config-vlan)#exit
Sw2(config)#vlan 40 
Sw2(config-vlan)#name VoIP 
Sw2(config-vlan)#exit 
Sw2(config)#interface e0/0 
Sw1(config-if)#switchport trunk allowed vlan 1,10,20,30,40
Sw2(config)#interface e0/1 
Sw2(config-if)#switchport mode access 
Sw2(config-if)#switchport access vlan 30 
Sw2(config-if)#exit
Sw2(config)#interface e0/2
Sw2(config-if)#switchport mode access 
Sw2(config-if)#switchport access vlan 40 
Sw2(config-if)#^Z
Sw2#

Verificar interfaces trunk en sw2:

Sw2#show interfaces trunk
Port        Mode          Encapsulation  Status     Native vlan
Et0/0       on              802.1q         trunking      1

Port        Vlans allowed on trunk
Et0/0       1,10,20,30,40

Port        Vlans allowed and active in management domain
Et0/0       1,10,20,30,40

Port        Vlans in spanning tree forwarding state and not pruned
Et0/0       1,10,20,30,40
Sw2#

Vlans en switch2:

Sw2#sh vlan b

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Et0/3
10   SALES                        active
20   STATIC                       active
30   ADMIN                       active    Et0/1
40   VoIP                            active    Et0/2
1002 fddi-default               act/unsup
1003 token-ring-default     act/unsup
1004 fddinet-default          act/unsup
1005 trnet-default              act/unsup
Sw2#

Router On A Stick (ROAS) en R1:

R1#config t
Enter configuration commands, one per line. End with CNTL/Z. 
R1(config)#interface e0/0
R1(config-if)#description "Connected a Sw1 Trunk e0/1" 
R1(config-if)#no shutdown
R1(config-if)#exit
R1(config)#interface e0/0.10 
R1(config-subif)#description Subinterface Para VLAN 10 
R1(config-subif)#encapsulation dot1Q 10
R1(config-subif)#ip address 10.0.10.1 255.255.255.240 R1(config-subif)#exit
R1(config)#interface e0/0.20 
R1(config-subif)#description Subinterface Para VLAN 20 
R1(config-subif)#encapsulation dot1Q 20
R1(config-subif)#ip address 10.0.20.1 255.255.255.128 
R1(config-subif)#exit
R1(config)#interface e0/0.30
R1(config-subif)#description Subinterface Para VLAN 30 
R1(config-subif)#ip address 10.0.30.1 255.255.255.248 
R1(config-subif)#exit
R1(config)#interface e0/0.40 
R1(config-subif)#description Subinterface Para VLAN 40 
R1(config-subif)#encapsulation dot1Q 40 
R1(config-subif)#ip address 10.0.40.1 255.255.255.224 
R1(config-subif)#end
R1#

Verificar configuración:

R1#show ip interface brief
R1#sh ip interface b
Interface                  IP-Address      OK? Method Status                Protocol
Ethernet0/0                unassigned      YES NVRAM  up                    up
Ethernet0/0.10             10.0.10.1       YES NVRAM  up                    up
Ethernet0/0.20             10.0.20.1       YES NVRAM  up                    up
Ethernet0/0.30             10.0.30.1       YES NVRAM  up                    up
Ethernet0/0.40             10.0.40.1       YES NVRAM  up                    up
Ethernet0/1                unassigned      YES NVRAM  administratively down down
Ethernet0/2                unassigned      YES NVRAM  administratively down down
Ethernet0/3                unassigned      YES NVRAM  administratively down down
R1#

Dirección IP 10.0.10.2/28 (Vlan 10):

Sw2#conf t
Sw2(config)#interface vlan10
Sw2(config-if)#ip address 10.0.10.2 255.255.255.240 
Sw2(config-if)#no shutdown
Sw2(config)#^Z
Sw2#

Comprobar:

Sw2#sh ip interface b
Interface              IP-Address      OK? Method Status                Protocol
Ethernet0/0            unassigned      YES unset  up                    up
Ethernet0/1            unassigned      YES unset  up                    up
Ethernet0/2            unassigned      YES unset  up                    up
Ethernet0/3            unassigned      YES unset  administratively down down
Vlan1                  unassigned      YES unset  administratively down down
Vlan10                 10.0.10.2       YES manual up                    up
Vlan20                 unassigned      YES unset  administratively down down
Vlan30                 unassigned      YES unset  administratively down down
Vlan40                 unassigned      YES unset  administratively down down
Sw2#

Ping, comprobar conectividad:

R1#ping 10.0.10.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.10.2, timeout is 2 seconds: .!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 1/3/4 ms 

R1#ping 10.0.20.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.20.2, timeout is 2 seconds: .!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 1/3/4 ms 

R1#ping 10.0.30.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.30.3, timeout is 2 seconds: .!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 1/3/4 ms 

R1#ping 10.0.40.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.40.4, timeout is 2 seconds: .!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 1/3/4 ms

Archivos de configuración de todos los dispositivos:

Sw1#sh run
Building configuration...

Current configuration : 1150 bytes
!
version 15.1
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
service compress-config
!
hostname Sw1
!
boot-start-marker
boot-end-marker
!
!
!
no aaa new-model
clock timezone CET 1 0
no ipv6 cef
ipv6 multicast rpf use-bgp
!
no ip domain-lookup
ip cef
!
!
!
!
spanning-tree mode pvst
spanning-tree extend system-id
!
!
!
!
vlan internal allocation policy ascending
!
!
!
!
!
!
!
!
!
!
interface Ethernet0/0
 switchport trunk encapsulation dot1q
 switchport trunk allowed vlan 1,10,20,30,40
 switchport mode trunk
 duplex auto
!
interface Ethernet0/1
 switchport trunk encapsulation dot1q
 switchport trunk allowed vlan 1,10,20,30,40
 switchport mode trunk
 duplex auto
!
interface Ethernet0/2
 switchport access vlan 20
 switchport mode access
 duplex auto
!
interface Ethernet0/3
 duplex auto
!
interface Vlan10
 no ip address
 shutdown
!
interface Vlan20
 no ip address
 shutdown
!
interface Vlan30
 no ip address
 shutdown
!
interface Vlan40
 no ip address
 shutdown
!
!
no ip http server
!
!
!
!
!
control-plane
!
!
line con 0
 logging synchronous
line aux 0
line vty 0 4
 login
!
end


Sw2#sh run
Building configuration...

Current configuration : 1278 bytes
!
! Last configuration change at 20:05:49 CET Mon Mar 29 2021
!
version 15.1
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
service compress-config
!
hostname Sw2
!
boot-start-marker
boot-end-marker
!
!
!
no aaa new-model
clock timezone CET 1 0
no ipv6 cef
ipv6 multicast rpf use-bgp
!
no ip domain-lookup
ip cef
!
!
!
!
spanning-tree mode pvst
spanning-tree extend system-id
!
!
!
!
vlan internal allocation policy ascending
!
!
!
!
!
!
!
!
!
!
interface Ethernet0/0
 switchport trunk encapsulation dot1q
 switchport trunk allowed vlan 1,10,20,30,40
 switchport mode trunk
 duplex auto
!
interface Ethernet0/1
 switchport access vlan 30
 switchport trunk encapsulation dot1q
 switchport mode access
 duplex auto
!
interface Ethernet0/2
 switchport access vlan 40
 switchport mode access
 duplex auto
!
interface Ethernet0/3
 switchport mode access
 shutdown
 duplex auto
!
interface Vlan1
 no ip address
 shutdown
!
interface Vlan10
 ip address 10.0.10.2 255.255.255.240
!
interface Vlan20
 no ip address
 shutdown
!
interface Vlan30
 no ip address
 shutdown
!
interface Vlan40
 no ip address
 shutdown
!
!
no ip http server
!
!
!
!
!
control-plane
!
!
line con 0
 logging synchronous
line aux 0
line vty 0 4
!
end

Sw2#

R1#sh run
Building configuration...

Current configuration : 1561 bytes
!
! Last configuration change at 20:13:31 CET Mon Mar 29 2021
!
version 15.7
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
!
no aaa new-model
!
!
!
clock timezone CET 1 0
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!


!
!
!
!
no ip domain lookup
ip cef
no ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
redundancy
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Ethernet0/0
 description "Connected a Sw1 Trunk e0/1"
 no ip address
 duplex auto
!
interface Ethernet0/0.10
 description -Subinterface For VLAN 10"
 encapsulation dot1Q 10
 ip address 10.0.10.1 255.255.255.240
!
interface Ethernet0/0.20
 description -Subinterface For VLAN 20"
 encapsulation dot1Q 20
 ip address 10.0.20.1 255.255.255.128
!
interface Ethernet0/0.30
 description -Subinterface For VLAN 30"
 encapsulation dot1Q 30
 ip address 10.0.30.1 255.255.255.248
!
interface Ethernet0/0.40
 description -Subinterface For VLAN 40"
 encapsulation dot1Q 40
 ip address 10.0.40.1 255.255.255.224
!
interface Ethernet0/1
 no ip address
 shutdown
 duplex auto
!
interface Ethernet0/2
 no ip address
 shutdown
 duplex auto
!
interface Ethernet0/3
 no ip address
 shutdown
 duplex auto
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
ipv6 ioam timestamp
!
!
!
control-plane
!
!
!
!
!
!
!
!
line con 0
 logging synchronous
line aux 0
line vty 0 4
 login
 transport input none
!
!
end

R1#


R2#sh run
Building configuration...

Current configuration : 1006 bytes
!
! Last configuration change at 15:16:01 CET Mon Mar 29 2021
!
version 15.7
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R2
!
boot-start-marker
boot-end-marker
!
!
!
no aaa new-model
!
!
!
clock timezone CET 1 0
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!


!
!
!
!
ip cef
no ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
redundancy
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Ethernet0/0
 ip address 10.0.20.2 255.255.255.128
 duplex auto
!
interface Ethernet0/1
 no ip address
 shutdown
 duplex auto
!
interface Ethernet0/2
 no ip address
 shutdown
 duplex auto
!
interface Ethernet0/3
 no ip address
 shutdown
 duplex auto
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
ipv6 ioam timestamp
!
!
!
control-plane
!
!
!
!
!
!
!
!
line con 0
 logging synchronous
line aux 0
line vty 0 4
 login
 transport input none
!
!
end

R2#


R3#sh run
Building configuration...

Current configuration : 1013 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R3
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
clock timezone CET 1
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
ip source-route
!
!
!
!
ip cef
multilink bundle-name authenticated
!
!
!
!
!
!
interface Ethernet0/0
 ip address 10.0.30.3 255.255.255.224
!
interface Ethernet0/1
 no ip address
 shutdown
!
interface Ethernet0/2
 no ip address
 shutdown
!
interface Ethernet0/3
 no ip address
 shutdown
!
interface Serial1/0
 no ip address
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
ip forward-protocol nd
!
no ip http server
!
!
line con 0
 logging synchronous
line aux 0
line vty 0 4
 login
!
exception data-corruption buffer truncate
end

R3#



R4#sh run
Building configuration...

Current configuration : 1013 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
clock timezone CET 1
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
ip source-route
!
!
!
!
ip cef
multilink bundle-name authenticated
!
!
!
!
!
!
interface Ethernet0/0
 ip address 10.0.40.4 255.255.255.224
!
interface Ethernet0/1
 no ip address
 shutdown
!
interface Ethernet0/2
 no ip address
 shutdown
!
interface Ethernet0/3
 no ip address
 shutdown
!
interface Serial1/0
 no ip address
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
ip forward-protocol nd
!
no ip http server
!
!
line con 0
 logging synchronous
line aux 0
line vty 0 4
 login
!
exception data-corruption buffer truncate
end

R4#






Cisco es genial!.

sábado, 20 de marzo de 2021

OSPF Vlan 30 Cisco


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!.

jueves, 18 de marzo de 2021

VLANs Trunk Routing ROAS Cisco


1.- Permitir solo las vlan 1,10,20 en las interfaces Trunk
2.- Interfaz que conecta a Core 1 cambiar a GigabitEthernet 
2.- Eliminar las Vlans y direcciones IPs.
3.- Gig0/0 no shut
3.- En el router R1-NV implementar Router On A Stick (ROAS), trunking encapsulation dot1Q
4.- Comprobar conectividad

Escenario actual:


R1-NV#sh interfaces tr
R1-NV#sh interfaces trunk 
Port        Mode         Encapsulation  Status        Native vlan
Fa0/0/0     on           802.1q         trunking      1

Port        Vlans allowed on trunk
Fa0/0/0     1

Port        Vlans allowed and active in management domain
Fa0/0/0     1

Port        Vlans in spanning tree forwarding state and not pruned
Fa0/0/0     1

R1-NV#sh ip inter
R1-NV#sh ip interface b
Interface              IP-Address      OK? Method Status                Protocol 
GigabitEthernet0/0     unassigned      YES manual administratively down down 
GigabitEthernet0/1     unassigned      YES unset  administratively down down 
GigabitEthernet0/2     193.37.255.2    YES DHCP   up                    up 
FastEthernet0/0/0      unassigned      YES unset  up                    up 
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 manual down                  down 
Serial0/1/1            unassigned      YES unset  down                  down 
Vlan1                  unassigned      YES unset  administratively down down 
Vlan10                 10.16.0.1       YES manual up                    up 
Vlan20                 10.16.2.1       YES manual up                    up 
Vlan30                 10.16.4.1       YES manual up                    up 
Vlan40                 10.16.6.1       YES manual up                    up
R1-NV#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
R1-NV(config)#inter
R1-NV(config)#no interface vlan 10
R1-NV(config)#
%LINK-5-CHANGED: Interface Vlan10, changed state to administratively down

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan10, changed state to down

R1-NV(config)#no interface vlan 20
R1-NV(config)#
%LINK-5-CHANGED: Interface Vlan20, changed state to administratively down

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan20, changed state to down

R1-NV(config)#no interface vlan 30
R1-NV(config)#
%LINK-5-CHANGED: Interface Vlan30, changed state to administratively down

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan30, changed state to down

R1-NV(config)#no interface vlan 40
R1-NV(config)#
%LINK-5-CHANGED: Interface Vlan40, changed state to administratively down

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan40, changed state to down

R1-NV(config)#do wri
Building configuration...
[OK]
R1-NV(config)#^Z
R1-NV#
%SYS-5-CONFIG_I: Configured from console by console

R1-NV#sh ip inter
R1-NV#sh ip interface b
Interface              IP-Address      OK? Method Status                Protocol 
GigabitEthernet0/0     unassigned      YES manual administratively down down 
GigabitEthernet0/1     unassigned      YES unset  administratively down down 
GigabitEthernet0/2     193.37.255.2    YES DHCP   up                    up 
FastEthernet0/0/0      unassigned      YES unset  up                    up 
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 manual 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)#inter
R1-NV(config)#interface g
R1-NV(config)#interface gigabitEthernet 0/0
R1-NV(config-if)#no shut

R1-NV(config-if)#
%LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up

R1-NV(config-if)#exit
R1-NV(config)#inter
R1-NV(config)#interface g
R1-NV(config)#interface gigabitEthernet 0/0.10
R1-NV(config-subif)#
%LINK-5-CHANGED: Interface GigabitEthernet0/0.10, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0.10, changed state to up

R1-NV(config-subif)#enca
R1-NV(config-subif)#encapsulation do
R1-NV(config-subif)#encapsulation dot1Q 10
R1-NV(config-subif)#ip add
R1-NV(config-subif)#ip address 10.16.0.1 255.255.255.0
R1-NV(config-subif)#exit
R1-NV(config)#interface gigabitEthernet 0/0.20
R1-NV(config-subif)#
%LINK-5-CHANGED: Interface GigabitEthernet0/0.20, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0.20, changed state to up

R1-NV(config-subif)#encapsulation dot1Q 20
R1-NV(config-subif)#ip address 10.16.2.1 255.255.255.0
R1-NV(config-subif)#exit
R1-NV(config)#do sh ip inter
R1-NV(config)#do sh ip inter b
Interface              IP-Address      OK? Method Status                Protocol 
GigabitEthernet0/0     unassigned      YES manual 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     unassigned      YES unset  administratively down down 
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 manual down                  down 
Serial0/1/1            unassigned      YES unset  down                  down 
Vlan1                  unassigned      YES unset  administratively down down

R1-NV(config-if)#exit
R1-NV(config)#interface gigabitEthernet 0/0.10
R1-NV(config-subif)#
%LINK-5-CHANGED: Interface GigabitEthernet0/0.10, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0.10, changed state to up

R1-NV(config-subif)#encapsulation do
R1-NV(config-subif)#encapsulation dot1Q 10
R1-NV(config-subif)#ip add
R1-NV(config-subif)#ip address 10.16.0.1 255.255.255.0
R1-NV(config-subif)#exit
R1-NV(config)#interface gigabitEthernet 0/0.20
R1-NV(config-subif)#
%LINK-5-CHANGED: Interface GigabitEthernet0/0.20, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0.20, changed state to up

R1-NV(config-subif)#encapsulation dot1Q 20
R1-NV(config-subif)#ip address 10.16.2.1 255.255.255.0
R1-NV(config-subif)#exit
R1-NV(config)#do sh ip inter
R1-NV(config)#do sh ip inter b
Interface              IP-Address      OK? Method Status                Protocol 
GigabitEthernet0/0     unassigned      YES manual 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     unassigned      YES unset  administratively down down 
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 manual down                  down 
Serial0/1/1            unassigned      YES unset  down                  down 
Vlan1                  unassigned      YES unset  administratively down down

Ping desde el router R1 hacia PC10

R1-NV#ping 10.16.0.10

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.16.0.10, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/1 ms

R1-NV#ping 10.16.2.10

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.16.2.10, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/1 ms

Comprobando conectividad:

R1-NV#

R1-NV#ping 10.16.0.10

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.16.0.10, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/1 ms

R1-NV#ping 10.16.2.10

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.16.2.10, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/1 ms

R1-NV#

Ping desde PC20 VLAN 20

C:\>ipconfig

FastEthernet0 Connection:(default port)

   Link-local IPv6 Address.........: FE80::201:63FF:FE51:CDBB
   IP Address......................: 10.16.2.10
   Subnet Mask.....................: 255.255.255.0
   Default Gateway.................: 10.16.2.1

C:\>ping 10.16.2.1

Pinging 10.16.2.1 with 32 bytes of data:

Reply from 10.16.2.1: bytes=32 time<1ms TTL=255
Reply from 10.16.2.1: bytes=32 time<1ms TTL=255
Reply from 10.16.2.1: bytes=32 time=3ms TTL=255
Reply from 10.16.2.1: bytes=32 time<1ms TTL=255

Ping statistics for 10.16.2.1:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 3ms, Average = 0ms

C:\>ping 10.16.0.10

Pinging 10.16.0.10 with 32 bytes of data:

Reply from 10.16.0.10: bytes=32 time<1ms TTL=127
Reply from 10.16.0.10: bytes=32 time=1ms TTL=127
Reply from 10.16.0.10: bytes=32 time<1ms TTL=127
Reply from 10.16.0.10: bytes=32 time<1ms TTL=127

Ping statistics for 10.16.0.10:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 1ms, Average = 0ms

C:\>tracert 10.16.0.10

Tracing route to 10.16.0.10 over a maximum of 30 hops: 

  1   0 ms      0 ms      0 ms      10.16.2.1
  2   0 ms      0 ms      0 ms      10.16.0.10

Trace complete.

C:\>

Ping desde PC10 VLAN 10



Cisco es genial!.