000 Understanding IPv6 Addressing RRF

Slide 1

Entendiendo IPv6Direccionamiento & Subredes

Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNAgendaNotacin de las direcciones IPv6IPv6 globalesRedes y subredes con IPv6Mtodos para asignar las IPv6 globalesDirecciones Link-localDirecciones de Multicast

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNIPv6 Notacin de direcciones

Un digito hexadecimal = 4 bits2001:0DB8:AAAA:1111:0000:0000:0000:0100/64

Las direcciones IPv6 son 128-bit representados en:

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN3Las direcciones IPv6 son 128-bit representados en:8 segmentos o hextets (no es un termino formal)

2001:0DB8:AAAA:1111:0000:0000:0000:0100/64

2001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits1 2 3 4 5 6 7 8IPv6 Notacin de direcciones Un digito hexadecimal = 4 bits 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN4

2001:0DB8:AAAA:1111:0000:0000:0000:0100/64

2001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits1 2 3 4 5 6 7 8IPv6 Notacin de direcciones Un digito hexadecimal = 4 bitsLas direcciones IPv6 son 128-bit representados en:8 segmentos o hextets (no es un termino formal)Hexadecimal (non-case sensitive) entre 0000 y FFFF

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN5

2001:0DB8:AAAA:1111:0000:0000:0000:0100/64

2001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits1 2 3 4 5 6 7 8IPv6 Notacin de direcciones Un digito hexadecimal = 4 bitsLas direcciones IPv6 son 128-bit representados en:8 segmentos o hextets (no es un termino formal)Hexadecimal (non-case sensitive) entre 0000 y FFFFSeparados por dos puntos

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN6Cuntas direcciones tenemos con 128 bits?2001:0DB8:AAAA:1111:0000:0000:0000:0100/64

2001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN7Cuntas direcciones tenemos con 128 bits?340 sixtillones o 2001:0DB8:AAAA:1111:0000:0000:0000:0100/64

2001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN8Cuntas direcciones tenemos con 128 bits?340 sixtillones o 340 billn billn billn o 2001:0DB8:AAAA:1111:0000:0000:0000:0100/64

2001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN9Cuntas direcciones tenemos con 128 bits?340 sixtillones o 340 billn billn billn o 340x10362001:0DB8:AAAA:1111:0000:0000:0000:0100/64

2001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN10Cuntas direcciones tenemos con 128 bits?340 sixtillones o 340 billn billn billn o 340x1036Con IPv6 cada micrmetro cuadrado de la superficie de la tierra podra tener 5000 direcciones nicas. Micrmetro = 0,001 mm2001:0DB8:AAAA:1111:0000:0000:0000:0100/64

2001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN11 Cules son IPv6 correctas2001.1111.2222.3333.4444.5555.6666.7777

2001:AAAA:BBBB:CCCC:DDDD:EEEE:FFFF:GGGG

2001:FACE:ACE0:CAFE:1111:2222:3333:4444:5555:666

2001:1111:2222:3333:44444:55555:6666:7777

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNReglas para compactar las IPv6Dos reglas para compactar la escritura de la IPv60s InicialesDoble dos puntos ::

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNIf any 16-bit segment has fewer than four hexadecimal digits, it is assumed that the missing digits are leading zeroes.

13Los 0s iniciales en cualquier segmento de 16-bits no los tenemos que escribir

3ffe : 0404 : 0001 : 1000 : 0000 : 0000 : 0ef0 : bc00

3ffe : 0000 : 010d : 000a : 00dd : c000 : e000 : 0001

ff02 : 0000 : 0000 : 0000 : 0000 : 0000 : 0000 : 0500

Regla 1: 0s iniciales 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNIf any 16-bit segment has fewer than four hexadecimal digits, it is assumed that the missing digits are leading zeroes.

14Regla 1: 0s inicialesLos 0s iniciales en cualquier segmento de 16-bits no los tenemos que escribir

3ffe : 0404 : 0001 : 1000 : 0000 : 0000 : 0ef0 : bc003ffe : 404 : 1 : 1000 : 0 : 0 : ef0 : bc00

3ffe : 0000 : 010d : 000a : 00dd : c000 : e000 : 0001

ff02 : 0000 : 0000 : 0000 : 0000 : 0000 : 0000 : 0500


15Regla 1: 0s inicialesLos 0s iniciales en cualquier segmento de 16-bits no los tenemos que escribir

3ffe : 0404 : 0001 : 1000 : 0000 : 0000 : 0ef0 : bc003ffe : 404 : 1 : 1000 : 0 : 0 : ef0 : bc00

3ffe : 0000 : 010d : 000a : 00dd : c000 : e000 : 0001

ff02 : 0000 : 0000 : 0000 : 0000 : 0000 : 0000 : 0500



3ffe : 0404 : 0001 : 1000 : 0000 : 0000 : 0ef0 : bc003ffe : 404 : 1 : 1000 : 0 : 0 : ef0 : bc00

3ffe : 0000 : 010d : 000a : 00dd : c000 : e000 : 00013ffe : 0 : 10d : a : dd : c000 : e000 : 1

ff02 : 0000 : 0000 : 0000 : 0000 : 0000 : 0000 : 0500



3ffe : 0404 : 0001 : 1000 : 0000 : 0000 : 0ef0 : bc003ffe : 404 : 1 : 1000 : 0 : 0 : ef0 : bc00

3ffe : 0000 : 010d : 000a : 00dd : c000 : e000 : 00013ffe : 0 : 10d : a : dd : c000 : e000 : 1

ff02 : 0000 : 0000 : 0000 : 0000 : 0000 : 0000 : 0500 ff02 : 0 : 0 : 0 : 0 : 0 : 0 : 500


18Regla 1: 0s iniciales Optimizando direcciones IPv6 2001:0000:0000:0000:0000:0000:0000:0000

2001:1000:1001:1010:1100:0001:0101:0011

0010:1010:1020:0001:1000:0A0A:00FF:FF00

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN19Regla 1: 0s iniciales Optimizando direcciones IPv6 2001:0000:0000:0000:0000:0000:0000:0000 2001:0:0:0:0:0:0:0 2001:1000:1001:1010:1100:0001:0101:00112001:1000:1001:1010:1100:1:101:11 0010:1010:1020:0001:1000:0A0A:00FF:FF0010:1010:1020:1:1000:A0A:FF:FF00

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN20Regla 2: Dobles dos puntos ::Esta segunda regla an puede reducir ms esta IPEs posible reducir, una nica vez, una secuencia de 0s contiguos, en uno o ms segmentos de 16-bits, por doble dos puntos ::

ff02 : 0000 : 0000 : 0000 : 0000 : 0000 : 0000 : 0500 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN21Es posible reducir, una nica vez, una secuencia de 0s contiguos, en uno o ms segmentos de 16-bits, por doble dos puntos ::

ff02 : 0000 : 0000 : 0000 : 0000 : 0000 : 0000 : 0500 ff02 : : 500

Regla 2Regla 1Regla 2: Dobles dos puntos :: 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN22Es posible reducir, una nica vez, una secuencia de 0s contiguos, en uno o ms segmentos de 16-bits, por doble dos puntos ::

ff02 : 0000 : 0000 : 0000 : 0000 : 0000 : 0000 : 0500 ff02 : : 500

ff02::500Regla 2Regla 1Regla 2: Dobles dos puntos :: 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN23Slo se puede aplicar esta regla una nica vez, para evitar ambigedades

2001 : 0d02 : 0000 : 0000 : 0014 : 0000 : 0000 : 0095

Regla 2: Dobles dos puntos :: 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN24Slo se puede aplicar esta regla una nica vez, para evitar ambigedadesLas dos opciones son vlidas

2001 : 0d02 : 0000 : 0000 : 0014 : 0000 : 0000 : 0095

2001 : d02 :: 14 : 0 : 0 : 95o2001 : d02 : 0 : 0 : 14 :: 95

Regla 2: Dobles dos puntos :: 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN25Utilizar dos veces esta regla crea una ambigedad irresoluble, no sabemos donde colocar los grupos de 0s que nos faltan

2001:d02::14::95

Regla 2: Dobles dos puntos :: 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN26Utilizar dos veces esta regla crea una ambigedad irresoluble, no sabemos donde colocar los grupos de 0s que nos faltan

2001:d02::14::95

2001:0d02:0000:0000:0014:0000:0000:0095 2001:0d02:0000:0000:0000:0014:0000:00952001:0d02:0000:0014:0000:0000:0000:0095

Regla 2: Dobles dos puntos :: 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN27Ahora probemos las dos reglas 2001:1111:0000:0000:1111:2222:1111:A1A1 2001:1111::1111:2222:1111:A1A1 3001:0000:0000:0000:0000:0000:0000:1111 3001::1111 3001:0000:0000:0000:1111:0000:0000:1111 3001::1111:0:0:1111 FF02:0000:0000:0000:0000:0001:FF00:0001 FF02::1:FF00:1 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNPrefijos de redEn IPv4, el prefijo -parte de red de la direccin- se puede identificar por la mascara decimal o por la cuenta de bits255.255.255.0 o /24

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNThe address is followed by a forward slash and a decimal number indicating how many of the first bits of the address are the prefix bits.

29Prefijos de redEn IPv4, el prefijo -parte de red de la direccin- se puede identificar por la mascara decimal o por la cuenta de bits255.255.255.0 o /24En IPv6 el prefijo siempre se obtiene de la cuenta de bits (longitud del prefijo)


30Prefijos de redEn IPv4, el prefijo -parte de red de la direccin- se puede identificar por la mascara decimal o por la cuenta de bits255.255.255.0 o /24En IPv6 el prefijo siempre se obtiene de la cuenta de bits (longitud del prefijo)Notacin longitud del prefijo: 3ffe:1944:100:a::/64

16 32 48 64 bits


31Identificar los Bits de Red y los de host o interfaz 2001:1/80 Bits de red = 80, bits de host = 48 Porcin de red = 2001:0:0:0:0 Porcin de host = 0:0:1 2001::1/16 Bits de red = 16, bits de host = 112 Porcin de red = 2001 Porcin de host = 0:0:0:0:0:0:1 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNIdentificar los Bits de Red y los de host o interfaz 2001:1/3 3 bits de la parte de red y 125 para la parte de host Escribamos el primer segmento 2001 en binario 0010 0000 0000 0001 (este es el binario de 2001) Los tres primeros son la parte de red y el resto es la parte de host 0010 0000 0000 0001 001 en hexadecimal es 2 2 es la parte de red y el resto de bits es la parte de host

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNIPv6 AddressingTipos de direcciones Global UnicastMulticastUnicastAnycastAssignedSolicited NodeGlobal UnicastUnspecifiedLoopbackEmbedded IPv4Link-LocalUnique LocalFF00::/8FF02::1:FF00:0000/104::/128::1/1282000::/33FFF::/3FE80::/10FEBF::/10FC00::/7FDFF::/7::/80Nota: En IPv6 no existe el broadcast 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNInterface IDSubnet IDGlobal Routing PrefixEstructura de las direcciones unicast globalesn bitsm bits128-n-m bitsLas direcciones unicast globales son similares a IPv4 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNInterface IDSubnet IDGlobal Routing PrefixEstructura de las direcciones unicast globalesn bitsm bits128-n-m bitsLas direcciones unicast globales son similares a IPv4Enrutablesnicas 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNInterface IDSubnet IDGlobal Routing Prefixn bitsm bits128-n-m bits001Rango 2000::/3 to 3FFF::/3 (el 4t bit puede ser 0 o 1)Las direcciones unicast globales son similares a IPv4EnrutablesnicasEstructura de las direcciones unicast globales 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNInterface IDSubnet IDGlobal Routing Prefixn bitsm bits128-n-m bits00138

La IANA ha asignado es espacio de direcciones IPv6 en octavos (1/8)Las direcciones unicast globales son similares a IPv4EnrutablesnicasRango 2000::/3 to 3FFF::/3 (el 4t bit puede ser 0 o 1)Estructura de las direcciones unicast globales 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNDirecciones globales de unicast y la regla 3-1-4IPv4 Direccin de unicast32 bitsRedHostSubred/?Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNDirecciones globales de unicast y la regla 3-1-4IPv4 Direccin de unicast32 bitsRedHostSubredIPv6 Direccin de unicast128 bitsPrefijo globalID interfaz/64/?Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNDirecciones globales de unicast y la regla 3-1-4IPv4 Direccin de unicast32 bitsRedHostSubredIPv6 Direccin de unicast128 bitsPrefijo globalID interfaz/64/?* 64-bit Interface ID nos permite 18 trillones (18,446,744,073,709,551,616) dispositivo/subred.* 16-bit Subred IDs nos permite 65,536 subredes. ( 0s y 1s estan permitidas) Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNDirecciones globales de unicast y la regla 3-1-4IPv4 Direccin de unicast32 bitsRedHostSubredIPv6 Direccin de unicast128 bitsPrefijo globalID interfaz/64/?* 64-bit Interface ID nos permite 18 trillones (18,446,744,073,709,551,616) dispositivo/subred.Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNDirecciones globales de unicast y la regla 3-1-4IPv4 Direccin de unicast32 bitsRedHostSubredIPv6 Direccin de unicast128 bitsPrefijo globalID interfazID subred 16-bit /64/?* 64-bit Interface ID nos permite 18 trillones (18,446,744,073,709,551,616) dispositivo/subred.* 16-bit Subred IDs nos permite 65,536 subredes. ( 0s y 1s estan permitidas) /48Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNDireccin global de unicast y la regla 3-1-42001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNDireccin global de unicast y la regla 3-1-42001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNPrefijo globalDireccin global de unicast y la regla 3-1-42001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits/48 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNID SubredPrefijo globalDireccin global de unicast y la regla 3-1-42001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits/48/64 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNID de interfazID SubredPrefijo globalDireccin global de unicast y la regla 3-1-42001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits/48/64 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNID de interfazID SubredPrefijo globalDireccin global de unicast y la regla 3-1-42001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits3/48/64 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNID de interfazID SubredPrefijo globalDireccin global de unicast y la regla 3-1-42001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits31/48/64 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNID de interfazID SubredPrefijo globalDireccin global de unicast y la regla 3-1-42001 : 0DB8 : AAAA : 1111 : 0000 : 0000 : 0000 : 0100

16 bits16 bits16 bits16 bits16 bits16 bits16 bits16 bits31/48/644 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN Prefijo global de enrutamientoID interfazID SubredPrefijo GlobalCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN Prefijo global de enrutamientoID interfazID SubredPrefijo Global/23*RIR

Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN Prefijo global de enrutamientoID interfazID SubredPrefijo Global/32/23*RIR*ISP Prefix

Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN Prefijo global de enrutamientoID interfazID SubredPrefijo Global/48/32/23*RIR*ISP Prefix*Site Prefix

16-bit Subnet IDCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN Prefijo global de enrutamientoID interfazID SubredPrefijo Global/48/32/23*RIR*ISP Prefix*Site Prefix/56Possible Home Site Prefix

8-bit Subnet IDCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN Prefijo global de enrutamientoID interfazID SubredPrefijo Global/48/64/32/23*RIR*ISP Prefix*Site PrefixSubnet Prefix/56Possible Home Site Prefix

Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNSubredes IPv64 posibles subredes pueden ser: 2340:1111:AAAA:0000::/642340:1111:AAAA:0001::/642340:1111:AAAA:0002::/642340:1111:AAAA:000A::/64Nota: Una abreviacin vlida seria eliminar los 3 0s iniciales del cuarto segmento2340:1111:AAAA:1::/64

2340:1111:AAAA::/48Slo tenemos que incrementar en 1 hex 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN58Subredes IPv64 posibles subredes pueden ser:

2340:1111:AAAA::/48 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN59Interface IDSubnet IDGlobal Routing PrefixSubredes en la parte de hostPrefix64 bits48 bits16bits/48/1122001 : 0DB8 : AAAA : 0000 : 0000 : 0000 : 0000 : 00002001 : 0DB8 : AAAA : 0000 : 0000 : 0000 : 0001 : 00002001 : 0DB8 : AAAA : 0000 : 0000 : 0000 : 0002 : 0000 hasta2001 : 0DB8 : AAAA : FFFF : FFFF : FFFF : FFFE : 00002001 : 0DB8 : AAAA : FFFF : FFFF : FFFF : FFFF : 0000

Global Routing PrefixSubnet-IDInterface ID 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNSubredes en la frontera de los nibbleInterface IDSubnet IDGlobal Routing PrefixSubnet Prefix/6860 bits48 bits20 bits/48/68Hacer subredes en la frontera de los nibble (4bits), es sencillo/64, /68, /72, etc.2001:0DB8:AAAA:0000:0000::/682001:0DB8:AAAA:0000:1000::/682001:0DB8:AAAA:0000:2000::/68 hasta2001:0DB8:AAAA:FFFF:F000::/68

Slo tenemos que ir incrementando 1 hex 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNSubredes dentro de un nibbleInterface IDSubnet IDGlobal Routing PrefixSubnet Prefix/7058 bits48 bits22 bits/48/702001:0DB8:AAAA:0000:0000::/7000002001:0DB8:AAAA:0000:0400::/7001002001:0DB8:AAAA:0000:0800::/7010002001:0DB8:AAAA:0000:0C00::/701100

De los 4 bits que componen el hexadecimal: los 2 de mayor peso son de la parte de subred, y los dos ltimos son de host

bits 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN62Aplicacin de los conceptos con PKT

Prefijo del sitio 2001:db8:cafe::/483 SUBREDES

2001:db8:cafe::/642001:db8:cafe:1::/642001:db8:cafe:2::/64Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNR1# conf tR1(config)# ipv6 unicast-routingActivamos enrutamiento IPv6 en el RouterCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNR1# conf tR1(config)# interface Gi 0/0Configuracin IPv6 global en el routerCasi como en IPv6Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNR1# conf tR1(config)# interface Gi 0/0R1(config-if)# ipv6 address 2001:0db8:cafe:1::1/64R1(config-if)# no shutdownR1(config-if)# exitR1(config)# Configuracin IPv6 global en el routerCasi como en IPv6Sin espacio entre la direccin y el prefijoComando IOS para IPv6 son muy similares a los de IPv4.Todo 0s y todo 1s son direcciones de host validas para IPv6.Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNGlobal UnicastDynamicIPv6 UnnumberedIPv6 AddressStateless AutoconfigurationDHCPv6StaticEUI-64Modified EUI-64 Format: Crea un id de 64-bits a partir de la MAC de 48-bits Manual 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNHexadecimalOUI24 bitsDevice Identifier24 bitsBinaryStep 1: Split the MAC addressBinaryStep 2: Insert FFFEBinaryStep 3: Flip the U/L bitBinaryModified EUI-64 Interface ID in Hexadecimal Notation1111 11111111 11101111 11111111 111002036BE9D480FFFE00036BE9D4800000 00000000 00110110 10111110 10011101 01001000 00001110 10011101 01001000 00001110 10011101 01001000 00000000 00000000 00110110 10110000 00100000 00110110 1011Modified EUI-64 FormatF F F ECisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNR1(config)# interface fastethernet 0/0R1(config-if)# ipv6 address 2001:0db8:cafe:0001::/64 ? eui-64 Use eui-64 interface identifier R1(config-if)# ipv6 address 2001:0db8:cafe:0001::/64 eui-64R1(config-if)#

La IP global del Router la podemos configurar:De forma estticaEUI-642001:0DB8:CAFE:1::/64Fa0/0

R1Global Unicast:Prefix: 2001:0DB8:CAFE:1::/64Interface ID: EUI-64Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNR1(config)# interface fastethernet 0/0R1(config-if)# ipv6 address 2001:0db8:cafe:1::/64 eui-64

R1# show ipv6 interface fastethernet 0/0FastEthernet0/0 is up, line protocol is up IPv6 is enabled, link-local address is FE80::203:6BFF:FEE9:D480 Global unicast address(es): 2001:DB8:CAFE:1:203:6BFF:FEE9:D480, subnet is 2001:DB8:CAFE:1::/64

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNGlobal UnicastAsignacin de direcciones globalesIPv6 UnnumberedStateless AutoconfigurationStaticEUI-64ManualIPv6 AddressDynamicDHCPv6IPv6 unnumbered es similar a las IPv4 unnumbered. 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNStateless Address Autoconfiguration (SLAAC) Stateless Address Autoconfiguration (SLAAC) es un mtodo automtico de obtener la direccin global de unicastNo es necesario disponer de servidor DHCPSlo informa del prefijo de red y del router por defecto

NDP Router Solicitationipv6 unicast-routing

12MAC: 00-19-D2-8C-E0-4CRouterAEUI-64NDP Router Advertisement 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNGlobal UnicastAsignacin de direcciones globalesIPv6 UnnumberedStateless AutoconfigurationStaticEUI-64ManualIPv6 AddressDynamicDHCPv6IPv6 unnumbered es similar a las IPv4 unnumbered. 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNDirecciones Link-localCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNIPv6 AddressingTipos de direcciones IPv6MulticastUnicastAnycastAssignedSolicited NodeGlobal UnicastUnspecifiedLoopbackEmbedded IPv4Link-LocalUnique LocalFF00::/8FF02::1:FF00:0000/104::/128::1/1282000::/33FFF::/3FE80::/10FEBF::/10FC00::/7FDFF::/7::/80Note: There are no broadcast addresses in IPv6 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNRango: FE80::/10 FEBF::/10Interface ID/641111 1110 10xx xxxxFE80::/10Remaining 54 bits10 bits64 bitsEUI-64, Aleatorio o configuracin manualLink-local unicastCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN

Rango: FE80::/10 FEBF::/10Interface ID/641111 1110 10xx xxxxFE80::/10Remaining 54 bits10 bits64 bitsEUI-64, Aleatorio o configuracin ManualLink-local unicastCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNUtilizada para comunicarse con los otros dispositivos en el enlace.NO es enrutable fuera del enlace.Cada interfaz IPv6 tiene que tener como mnimo una direccin link-local.Utilizada para:Un host la utiliza para comunicarse en la red antes de tener una red IPv6 global de unicast.Un host puede utilizar la IPv6 link-local del router como router por defecto.Para compartir actualizaciones de enrutamiento entre routers.

Interface ID/641111 1110 10xx xxxxFE80::/10Remaining 54 bits10 bits64 bitsEUI-64, Aleatorio o configuracin ManualLink-local unicastCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNshow ipv6 interface brief commandR1# show ipv6 interface briefFastEthernet0/0 [up/up] FE80::203:6BFF:FEE9:D480 2001:DB8:CAFE:1::1Serial0/0/0 [up/up] FE80::203:6BFF:FEE9:D480 2001:DB8:CAFE:A001::1Serial0/0/1 [up/up] FE80::203:6BFF:FEE9:D480 2001:DB8:CAFE:A003::1R1#

La direccin Link-local se crea automticamenteGlobal unicast addressLink-local unicast addressCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNR1(config)# interface fastethernet 0/0R1(config-if)# ipv6 address fe80::1 ? link-local Use link-local address

R1(config)# interface fastethernet 0/0 R1(config-if)# ipv6 address fe80::1 link-local R1(config-if)# exitR1(config)# interface serial 0/0/0R1(config-if)# ipv6 address fe80::1 link-localR1(config-if)# exitR1#R1# show ipv6 interface briefFastEthernet0/0 [up/up] FE80::1 2001:DB8:CAFE:1::1Serial0/0/0 [up/up] FE80::1 2001:DB8:CAFE:A001::1

Static Link-local Address 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNipv6 enableRouter(config)# interface fastethernet 0/1Router(config-if)# ipv6 enableRouter(config-if)# endRouter# show ipv6 interface briefFastEthernet0/1 [up/up] FE80::20C:30FF:FE10:92E1Router#

Las direcciones Link-local se crean automticamente cuando se asigna una IPv6 global a la intefaz, o cuando introducimos el comando ipv6 enable.Link-locakCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNDirecciones de MulticastCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNIPv6 AddressingDirecciones de multicastMulticastUnicastAnycastAssignedSolicited NodeGlobal UnicastUnspecifiedLoopbackEmbedded IPv4Link-LocalUnique LocalFF00::/8FF02::1:FF00:0000/104::/128::1/1282000::/33FFF::/3FE80::/10FEBF::/10FC00::/7FDFF::/7::/80Similar to IPv4 multicast de uno a varios 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNGroup IDFlag1111 1111FF00::/88 bits112bits4 bits4 bitsScopeFlag0 Permanent, direccin de multicast well-known asignada por la IANA1 Non-permanently-assigned, direccin de muticast asignada dinamicamente"

Scope (Lista parcial) 0 Reserved1 Interface-Local scope2 Link-Local scope5 Site-Local scope8 Organization-Local scope

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN

Similar to IPv4 MulticastCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNR1# show ipv6 interface fastethernet 0/0FastEthernet0/0 is up, line protocol is up IPv6 is enabled, link-local address is FE80::203:6BFF:FEE9:D480 Global unicast address(es): 2001:DB8:AAAA:1::1, subnet is 2001:DB8:AAAA:1::/64 Joined group address(es): FF02::1 FF02::2 FF02::1:FF00:1 FF02::1:FFE9:D480

Lista los grupos de multicast a los que pertenece esta interfazCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNSolicited Node Multicast Cada nodo escucha en su direccin de multicast

Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNSolicited-node multicast addresses

El pc tambin escucha en su IP de multicast Global Unicast Address:Solicited Node (Global):Link-local Unicast Address:Solicited Node (Link-local):

MAC Unicast Address:Solicited Node (MAC):2001:0DB8:AAAA:0001:0000:0000:0000:0200FF02::1:FF00:200FE80::1111:2222:3333:4444FF02::1:FF33:4444

00-19-D2-8C-E0-4C33-33-FF-00-02-0033-33-FF-33-44-44

PC-2BroadcastsCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNUtilizada como destino cuando no conocemos su direccin de unicastAddress Resolution (ARP) y Duplicate Address Detection (Gratuitous ARP)Mismo objetivo que el broadcast pero ms eficienteSolicited-node multicastInterface IDFF0224 bits00000000000000000001FFGlobal Routing PrefixSubnet ID104 bits24 bitsUnicast/Anycast AddressSolicited-Node Multicast AddressCopy104 bitsFF02:0:0:0:0:1:FF00::/104 Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNR1# show ipv6 interface fastethernet 0/0FastEthernet0/0 is up, line protocol is up IPv6 is enabled, link-local address is FE80::203:6BFF:FEE9:D480 Global unicast address(es): 2001:DB8:AAAA:1::1, subnet is 2001:DB8:AAAA:1::/64 Joined group address(es): FF02::1 FF02::2 FF02::1:FF00:1 FF02::1:FFE9:D480

Solicited-node multicast para la la ip globalLos ltimos 24 bits de la direccin GlobalCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNR1# show ipv6 interface fastethernet 0/0FastEthernet0/0 is up, line protocol is up IPv6 is enabled, link-local address is FE80::203:6BFF:FEE9:D480 Global unicast address(es): 2001:DB8:AAAA:1::1, subnet is 2001:DB8:AAAA:1::/64 Joined group address(es): FF02::1 FF02::2 FF02::1:FF00:1 FF02::1:FFE9:D480

Las direcciones link-local tambin Tienen una direccin solicited node multicastCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNRouter(config)# interface fastethenet 0/0Router(config-if)# ipv6 address 2001:db8:cafe:1::/64 eui-64Router# show ipv6 interface fastethernet 0/0FastEthernet0/0 is up, line protocol is up IPv6 is enabled, link-local address is FE80::21B:CFF:FEC2:82D8 No Virtual link-local address(es): Global unicast address(es): 2001:DB8:CAFE:1:21B:CFF:FEC2:82D8, subnet is 2001:DB8:CAFE:1::/64 [EUI] Joined group address(es): FF02::1 FF02::2 FF02::1:FFC2:82D8

NOTA: Si usamos el formato EUI-64 tanto para las link-local como para las unicast global, utilizan la misma IP de multicast.Cisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNPara resumirCisco Public 2013 Cisco and/or its affiliates. All rights reserved.N 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNIPv6 AddressingIPv6 Address TypesMulticastUnicastAnycastAssignedSolicited NodeGlobal UnicastUnspecifiedLoopbackEmbedded IPv4Link-LocalUnique LocalFF00::/8FF02::1:FF00:0000/104::/128::1/1282000::/33FFF::/3FE80::/10FEBF::/10FC00::/7FDFF::/7::/80Note: There are no broadcast addresses in IPv6 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNGlobal UnicastGlobal Unicast Address AssignmentIPv6 UnnumberedStateless AutoconfigurationStaticEUI-64ManualIPv6 AddressDynamicDHCPv6 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNPreguntas y respuestas 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNDatos de contactoRamon de la Rosa FalgueraASC/ITC Proyecto Universidad Empresa (PUE)[email protected](+34) 93 206 02 49http://www.pue.es

2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicNThank you 2013 Cisco and/or its affiliates. All rights reserved.Cisco PublicN

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000 Understanding IPv6 Addressing RRF