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Ejemplo: configuración de una topología de multidifusión IS-IS
En este ejemplo se muestra cómo configurar una topología de multidifusión para una red IS-IS.
Configuración
Configuración rápida de CLI
Para configurar rápidamente este ejemplo, copie los siguientes comandos, péguelos en un archivo de texto, elimine los saltos de línea, cambie los detalles necesarios para que coincidan con su configuración de red y, a continuación, copie y pegue los comandos en la CLI en el nivel de [edit] jerarquía.
Enrutador R1
set protocols isis traceoptions file isis size 5m world-readable set protocols isis traceoptions flag error set protocols isis topologies ipv4-multicast set protocols isis interface so-0/0/0 level 1 metric 15 set protocols isis interface so-0/0/0 level 1 ipv4-multicast-metric 18 set protocols isis interface so-0/0/0 level 2 metric 20 set protocols isis interface so-0/0/0 level 2 ipv4-multicast-metric 14 set protocols isis interface so-1/0/0 level 1 metric 13 set protocols isis interface so-1/0/0 level 1 ipv4-multicast-metric 12 set protocols isis interface so-1/0/0 level 2 metric 29 set protocols isis interface so-1/0/0 level 2 ipv4-multicast-metric 23 set protocols isis interface fxp0.0 disable
Enrutador R2
set protocols isis traceoptions file isis size 5m world-readable set protocols isis traceoptions flag error set protocols isis topologies ipv4-multicast set protocols isis interface so-0/0/0 level 1 metric 13 set protocols isis interface so-0/0/0 level 1 ipv4-multicast-metric 12 set protocols isis interface so-0/0/0 level 2 metric 29 set protocols isis interface so-0/0/0 level 2 ipv4-multicast-metric 23 set protocols isis interface so-1/0/0 level 1 metric 14 set protocols isis interface so-1/0/0 level 1 ipv4-multicast-metric 18 set protocols isis interface so-1/0/0 level 2 metric 32 set protocols isis interface so-1/0/0 level 2 ipv4-multicast-metric 26 set protocols isis interface fxp0.0 disable
Enrutador R3
set protocols isis traceoptions file isis size 5m world-readable set protocols isis traceoptions flag error set protocols isis topologies ipv4-multicast set protocols isis interface so-0/0/0 level 1 metric 19 set protocols isis interface so-0/0/0 level 1 ipv4-multicast-metric 11 set protocols isis interface so-0/0/0 level 2 metric 27 set protocols isis interface so-0/0/0 level 2 ipv4-multicast-metric 21 set protocols isis interface so-1/0/0 level 1 metric 16 set protocols isis interface so-1/0/0 level 1 ipv4-multicast-metric 26 set protocols isis interface so-1/0/0 level 2 metric 30 set protocols isis interface so-1/0/0 level 2 ipv4-multicast-metric 20 set protocols isis interface fxp0.0 disable
Procedimiento paso a paso
En el ejemplo siguiente es necesario navegar por varios niveles en la jerarquía de configuración. Para obtener información acerca de cómo navegar por la CLI, consulte Uso del editor de CLI en modo de configuración en la Guía del usuario de CLI.
Para configurar topologías de multidifusión IS-IS:
Habilite la topología de multidifusión para IS-IS mediante la
ipv4-multicastinstrucción.Enrutadores R1, R2 y R3
[edit protocols isis] user@host# set traceoptions file isis size 5m world-readable user@host# set traceoptions flag error user@host# set topologies ipv4-multicast
Habilite las métricas de multidifusión en la primera interfaz SONET/SDH mediante la
ipv4-multicast-metricinstrucción.Enrutador R1
[edit protocols isis interface so-0/0/0 ] user@R1# set level 1 metric 15 user@R1# set level 1 ipv4-multicast-metric 18 user@R1# set level 2 metric 20 user@R1# set level 2 ipv4-multicast-metric 14
Enrutador R2
[edit protocols isis interface so-0/0/0] user@R2# set level 1 metric 13 user@R2# set level 1 ipv4-multicast-metric 12 user@R2# set level 2 metric 29 user@R2# set level 2 ipv4-multicast-metric 23
Enrutador R3
[edit protocols isis interface so-0/0/0] user@R3# set level 1 metric 19 user@R3# set level 1 ipv4-multicast-metric 11 user@R3# set level 2 metric 27 user@R3# set level 2 ipv4-multicast-metric 21
Active las métricas de multidifusión en una segunda interfaz sonet utilizando la
ipv4-multicast-metricinstrucción.Enrutador R1
[edit protocols isis interface so-1/0/0] user@R1# set level 1 metric 13 user@R1# set level 1 ipv4-multicast-metric 12 user@R1# set level 2 metric 29 user@R1# set level 2 ipv4-multicast-metric 23
Enrutador R2
[edit protocols isis interface so-1/0/0] user@R2# set level 1 metric 14 user@R2# set level 1 ipv4-multicast-metric 18 user@R2# set level 2 metric 32 user@R2# set level 2 ipv4-multicast-metric 26
Enrutador R3
[edit protocols isis interface so-1/0/0] user@R3# set level 1 metric 16 user@R3# set level 1 ipv4-multicast-metric 26 user@R3# set level 2 metric 30 user@R3# set level 2 ipv4-multicast-metric 20
Desactive el puerto de administración fuera de banda, fxp0.
Enrutadores R1, R2 y R3
[edit protocols isis] user@host# set interface fxp0.0 disable
Si ha terminado de configurar los enrutadores, confirme la configuración.
Enrutadores R1, R2 y R3
[edit] user@host# commit
Resultados
Desde el modo de configuración, confirme la configuración mediante la show protocols isis instrucción. Si el resultado no muestra la configuración deseada, repita las instrucciones de este ejemplo para corregir la configuración.
Enrutador R1
user@R1# show protocols isis
traceoptions {
file isis size 5m world-readable;
flag error;
}
topologies ipv4-multicast;
interface so-0/0/0 {
level 1 {
metric 15;
ipv4-multicast-metric 18;
}
level 2 {
metric 20;
ipv4-multicast-metric 14;
}
}
interface so-1/0/0 {
level 1 {
metric 13;
ipv4-multicast-metric 12;
}
level 2 {
metric 29;
ipv4-multicast-metric 23;
}
}
interface fxp0.0 {
disable;
}
Enrutador R2
user@R2# show protocols isis
traceoptions {
file isis size 5m world-readable;
flag error;
}
topologies ipv4-multicast;
interface so-0/0/0 {
level 1 {
metric 13;
ipv4-multicast-metric 12;
}
level 2 {
metric 29;
ipv4-multicast-metric 23;
}
}
interface so-1/0/0 {
level 1 {
metric 14;
ipv4-multicast-metric 18;
}
level 2 {
metric 32;
ipv4-multicast-metric 26;
}
}
interface fxp0.0 {
disable;
}
Enrutador R3
user@R3# show protocols isis
traceoptions {
file isis size 5m world-readable;
flag error;
}
topologies ipv4-multicast;
interface so-0/0/0 {
level 1 {
metric 19;
ipv4-multicast-metric 11;
}
level 2 {
metric 27;
ipv4-multicast-metric 21;
}
}
interface so-1/0/0 {
level 1 {
metric 16;
ipv4-multicast-metric 26;
}
level 2 {
metric 30;
ipv4-multicast-metric 20;
}
}
interface fxp0.0 {
disable;
}
Requisitos
Antes de comenzar, configure IS-IS en todos los enrutadores. Consulte Ejemplo: Configuración de IS-IS para obtener información sobre la configuración de IS-IS necesaria.
En este ejemplo se utilizan los siguientes componentes de hardware y software:
Junos OS versión 7.3 o posterior
Enrutadores serie M, MX y T
Visión general
En este ejemplo se muestra una configuración de topología de multidifusión IS-IS. Tres enrutadores están conectados entre sí. Se configura una interfaz de circuito cerrado en cada enrutador.
Topología
La figura 1 muestra la red de ejemplo.
Figura 1: Configuración de la topología
de multidifusión IS-IS
de multidifusión IS-IS
Verificación
Confirme que la configuración funciona correctamente.
- Verificación de la conexión entre los enrutadores R1, R2 y R3
- Comprobación de que IS-IS está configurado
- Verificación de los valores de métrica de multidifusión configurados
- Comprobación de la configuración de la topología de multidifusión
Verificación de la conexión entre los enrutadores R1, R2 y R3
Propósito
Asegúrese de que los enrutadores R1, R2 y R3 estén conectados entre sí.
Acción
Haga ping a los otros dos enrutadores desde cualquier enrutador para verificar la conectividad entre los tres enrutadores según la topología de red.
user@R1> ping 10.0.3.9 PING 10.0.3.9 (10.0.3.9): 56 data bytes 64 bytes from 10.0.3.9: icmp_seq=0 ttl=64 time=1.299 ms 64 bytes from 10.0.3.9: icmp_seq=1 ttl=64 time=52.304 ms 64 bytes from 10.0.3.9: icmp_seq=2 ttl=64 time=1.271 ms 64 bytes from 10.0.3.9: icmp_seq=3 ttl=64 time=1.343 ms 64 bytes from 10.0.3.9: icmp_seq=4 ttl=64 time=1.434 ms 64 bytes from 10.0.3.9: icmp_seq=5 ttl=64 time=1.306 ms ^C --- 10.0.3.9 ping statistics --- 6 packets transmitted, 6 packets received, 0% packet loss round-trip min/avg/max/stddev = 1.271/9.826/52.304/18.997 ms
user@R1> ping 10.0.3.10 PING 10.0.3.10 (10.0.3.10): 56 data bytes 64 bytes from 10.0.3.10: icmp_seq=0 ttl=64 time=1.431 ms 64 bytes from 10.0.3.10: icmp_seq=1 ttl=64 time=1.296 ms 64 bytes from 10.0.3.10: icmp_seq=2 ttl=64 time=1.887 ms ^C --- 10.0.3.10 ping statistics --- 3 packets transmitted, 3 packets received, 0% packet loss round-trip min/avg/max/stddev = 1.296/1.538/1.887/0.253 ms
user@R2> ping 10.0.2.9 PING 10.0.2.9 (10.0.2.9): 56 data bytes 64 bytes from 10.0.2.9: icmp_seq=0 ttl=64 time=1.365 ms 64 bytes from 10.0.2.9: icmp_seq=1 ttl=64 time=1.813 ms 64 bytes from 10.0.2.9: icmp_seq=2 ttl=64 time=1.290 ms ^C --- 10.0.2.9 ping statistics --- 3 packets transmitted, 3 packets received, 0% packet loss round-trip min/avg/max/stddev = 1.290/1.489/1.813/0.231 ms
user@R2> ping 10.0.2.10 PING 10.0.2.10 (10.0.2.10): 56 data bytes 64 bytes from 10.0.2.10: icmp_seq=0 ttl=63 time=1.318 ms 64 bytes from 10.0.2.10: icmp_seq=1 ttl=63 time=1.394 ms 64 bytes from 10.0.2.10: icmp_seq=2 ttl=63 time=1.366 ms 64 bytes from 10.0.2.10: icmp_seq=3 ttl=63 time=1.305 ms ^C --- 10.0.2.10 ping statistics --- 4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max/stddev = 1.305/1.346/1.394/0.036 ms
user@R3> ping 10.0.1.10 PING 10.0.1.10 (10.0.1.10): 56 data bytes 64 bytes from 10.0.1.10: icmp_seq=0 ttl=63 time=1.316 ms 64 bytes from 10.0.1.10: icmp_seq=1 ttl=63 time=1.418 ms 64 bytes from 10.0.1.10: icmp_seq=2 ttl=63 time=1.277 ms ^C --- 10.0.1.10 ping statistics --- 3 packets transmitted, 3 packets received, 0% packet loss round-trip min/avg/max/stddev = 1.277/1.337/1.418/0.059 ms
user@R3> ping 10.0.1.9 PING 10.0.1.9 (10.0.1.9): 56 data bytes 64 bytes from 10.0.1.9: icmp_seq=0 ttl=64 time=1.381 ms 64 bytes from 10.0.1.9: icmp_seq=1 ttl=64 time=1.499 ms 64 bytes from 10.0.1.9: icmp_seq=2 ttl=64 time=1.300 ms 64 bytes from 10.0.1.9: icmp_seq=3 ttl=64 time=1.397 ms ^C --- 10.0.1.9 ping statistics --- 4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max/stddev = 1.300/1.394/1.499/0.071 ms
Significado
Los enrutadores R1, R2 y R3 tienen una relación de par entre sí.
Comprobación de que IS-IS está configurado
Propósito
Asegúrese de que la instancia de IS-IS se esté ejecutando en los enrutadores R1, R2 y R3, y de que estén adyacentes entre sí.
Acción
Utilice el show isis adjacency detail comando para comprobar la adyacencia entre los enrutadores.
Enrutador R1
user@R1> show isis adjacency detail R2 Interface: so-0/0/0, Level: 1, State: Up, Expires in 8 secs Priority: 64, Up/Down transitions: 1, Last transition: 2d 19:23:59 ago Circuit type: 3, Speaks: IP, MAC address: 0:1b:c0:86:54:bd Topologies: IPV4-Multicast Restart capable: Yes, Adjacency advertisement: Advertise LAN id: R2.02, IP addresses: 10.0.1.10 R2 Interface: so-0/0/0, Level: 2, State: Up, Expires in 8 secs Priority: 64, Up/Down transitions: 1, Last transition: 2d 19:23:58 ago Circuit type: 3, Speaks: IP, MAC address: 0:1b:c0:86:54:bd Topologies: IPV4-Multicast Restart capable: Yes, Adjacency advertisement: Advertise LAN id: R2.02, IP addresses: 10.0.1.10 R3 Interface: so-1/0/0, Level: 1, State: Up, Expires in 7 secs Priority: 64, Up/Down transitions: 1, Last transition: 2d 19:24:20 ago Circuit type: 3, Speaks: IP, MAC address: 0:1b:c0:86:54:bd Topologies: IPV4-Multicast Restart capable: Yes, Adjacency advertisement: Advertise LAN id: R3.02, IP addresses: 10.0.2.10 R3 Interface: so-1/0/0, Level: 2, State: Up, Expires in 6 secs Priority: 64, Up/Down transitions: 1, Last transition: 2d 19:24:20 ago Circuit type: 3, Speaks: IP, MAC address: 0:1b:c0:86:54:bd Topologies: IPV4-Multicast Restart capable: Yes, Adjacency advertisement: Advertise LAN id: R3.02, IP addresses: 10.0.2.10
Enrutador R2
user@R2> show isis adjacency detail R1 Interface: so-0/0/0, Level: 1, State: Up, Expires in 20 secs Priority: 64, Up/Down transitions: 1, Last transition: 2d 19:27:50 ago Circuit type: 3, Speaks: IP, MAC address: 0:1b:c0:86:54:bc Topologies: IPV4-Multicast Restart capable: Yes, Adjacency advertisement: Advertise LAN id: R2.02, IP addresses: 10.0.1.9 R1 Interface: so-0/0/0, Level: 2, State: Up, Expires in 26 secs Priority: 64, Up/Down transitions: 1, Last transition: 2d 19:27:50 ago Circuit type: 3, Speaks: IP, MAC address: 0:1b:c0:86:54:bc Topologies: IPV4-Multicast Restart capable: Yes, Adjacency advertisement: Advertise LAN id: R2.02, IP addresses: 10.0.1.9 R3 Interface: so-1/0/0, Level: 1, State: Up, Expires in 8 secs Priority: 64, Up/Down transitions: 1, Last transition: 2d 19:27:22 ago Circuit type: 3, Speaks: IP, MAC address: 0:1b:c0:86:54:bd Topologies: IPV4-Multicast Restart capable: Yes, Adjacency advertisement: Advertise LAN id: R3.03, IP addresses: 10.0.3.10 R3 Interface: so-1/0/0, Level: 2, State: Up, Expires in 8 secs Priority: 64, Up/Down transitions: 1, Last transition: 2d 19:27:22 ago Circuit type: 3, Speaks: IP, MAC address: 0:1b:c0:86:54:bd Topologies: IPV4-Multicast Restart capable: Yes, Adjacency advertisement: Advertise LAN id: R3.03, IP addresses: 10.0.3.10
Enrutador R3
user@R3> show isis adjacency detail R2 Interface: so-0/0/0, Level: 1, State: Up, Expires in 18 secs Priority: 64, Up/Down transitions: 1, Last transition: 2d 19:33:09 ago Circuit type: 3, Speaks: IP, MAC address: 0:1b:c0:86:54:bc Topologies: IPV4-Multicast Restart capable: Yes, Adjacency advertisement: Advertise LAN id: R3.03, IP addresses: 10.0.3.9 R2 Interface: so-0/0/0, Level: 2, State: Up, Expires in 22 secs Priority: 64, Up/Down transitions: 1, Last transition: 2d 19:33:09 ago Circuit type: 3, Speaks: IP, MAC address: 0:1b:c0:86:54:bc Topologies: IPV4-Multicast Restart capable: Yes, Adjacency advertisement: Advertise LAN id: R3.03, IP addresses: 10.0.3.9 R1 Interface: so-1/0/0, Level: 1, State: Up, Expires in 21 secs Priority: 64, Up/Down transitions: 1, Last transition: 2d 19:33:59 ago Circuit type: 3, Speaks: IP, MAC address: 0:1b:c0:86:54:bc Topologies: IPV4-Multicast Restart capable: Yes, Adjacency advertisement: Advertise LAN id: R3.02, IP addresses: 10.0.2.9 R1 Interface: so-1/0/0, Level: 2, State: Up, Expires in 19 secs Priority: 64, Up/Down transitions: 1, Last transition: 2d 19:33:59 ago Circuit type: 3, Speaks: IP, MAC address: 0:1b:c0:86:54:bc Topologies: IPV4-Multicast Restart capable: Yes, Adjacency advertisement: Advertise LAN id: R3.02, IP addresses: 10.0.2.9
Significado
IS-IS se configura en los enrutadores R1, R2 y R3, y son adyacentes entre sí.
Verificación de los valores de métrica de multidifusión configurados
Propósito
Asegúrese de que los cálculos de SPF sean precisos según los valores de métrica de multidifusión configurados en los enrutadores R1, R2 y R3.
Acción
Utilice el show isis spf results comando para comprobar los cálculos de SPF para la red.
Enrutador R1
user@R1> show isis spf results ... IPV4 Multicast IS-IS level 1 SPF results: Node Metric Interface NH Via SNPA R3.03 28 so-1/0/0 IPV4 R3 0:1b:c0:86:54:bd R2.00 18 so-0/0/0 IPV4 R2 0:1b:c0:86:54:bd R3.00 17 so-1/0/0 IPV4 R3 0:1b:c0:86:54:bd R1.00 0 4 nodes IPV4 Multicast IS-IS level 2 SPF results: Node Metric Interface NH Via SNPA R3.03 40 so-0/0/0 IPV4 R2 0:1b:c0:86:54:bd R3.00 22 so-1/0/0 IPV4 R3 0:1b:c0:86:54:bd R2.00 14 so-0/0/0 IPV4 R2 0:1b:c0:86:54:bd R1.00 0 4 nodes
Enrutador R2
user@R2> show isis spf results ... IPV4 Multicast IS-IS level 1 SPF results: Node Metric Interface NH Via SNPA R3.02 29 so-0/0/0 IPV4 R1 0:1b:c0:86:54:bc R3.00 18 so-1/0/0 IPV4 R3 0:1b:c0:86:54:bd R1.00 12 so-0/0/0 IPV4 R1 0:1b:c0:86:54:bc R2.02 12 R2.00 0 5 nodes IPV4 Multicast IS-IS level 2 SPF results: Node Metric Interface NH Via SNPA R3.02 45 so-0/0/0 IPV4 R1 0:1b:c0:86:54:bc R3.00 26 so-1/0/0 IPV4 R3 0:1b:c0:86:54:bd R1.00 23 so-0/0/0 IPV4 R1 0:1b:c0:86:54:bc R2.02 23 R2.00 0 5 nodes
Enrutador R3
user@R3> show isis spf results ... IPV4 Multicast IS-IS level 1 SPF results: Node Metric Interface NH Via SNPA R3.02 26 R1.00 23 so-0/0/0 IPV4 R2 0:1b:c0:86:54:bc R2.02 23 so-0/0/0 IPV4 R2 0:1b:c0:86:54:bc R2.00 11 so-0/0/0 IPV4 R2 0:1b:c0:86:54:bc R3.03 11 R3.00 0 6 nodes IPV4 Multicast IS-IS level 2 SPF results: Node Metric Interface NH Via SNPA R2.02 34 so-1/0/0 IPV4 R1 0:1b:c0:86:54:bc R2.00 21 so-0/0/0 IPV4 R2 0:1b:c0:86:54:bc R3.03 21 R1.00 20 so-1/0/0 IPV4 R1 0:1b:c0:86:54:bc R3.02 20 R3.00 0 6 nodes
Significado
Los valores métricos de multidifusión configurados se utilizan en los cálculos de SPF para la red IS-IS.
Comprobación de la configuración de la topología de multidifusión
Propósito
Asegúrese de que la topología de multidifusión esté configurada en los enrutadores R1, R2 y R3.
Acción
Utilice el show isis database detail comando para comprobar la configuración de la topología de multidifusión en los enrutadores.
Enrutador R1
user@R1> show isis database detail
IS-IS level 1 link-state database:
R1.00-00 Sequence: 0x142, Checksum: 0xd07, Lifetime: 663 secs
IPV4 Unicast IS neighbor: R2.02 Metric: 15
IPV4 Unicast IS neighbor: R3.02 Metric: 15
IPV4 Multicast IS neighbor: R2.02 Metric: 18
IPV4 Multicast IS neighbor: R3.02 Metric: 17
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 15 Internal Up
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 15 Internal Up
R2.00-00 Sequence: 0x13f, Checksum: 0xf02b, Lifetime: 883 secs
IPV4 Unicast IS neighbor: R2.02 Metric: 13
IPV4 Unicast IS neighbor: R3.03 Metric: 14
IPV4 Multicast IS neighbor: R2.02 Metric: 12
IPV4 Multicast IS neighbor: R3.03 Metric: 18
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 13 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 14 Internal Up
R2.02-00 Sequence: 0x13c, Checksum: 0x57e2, Lifetime: 913 secs
IPV4 Unicast IS neighbor: R1.00 Metric: 0
IPV4 Unicast IS neighbor: R2.00 Metric: 0
R3.00-00 Sequence: 0x13c, Checksum: 0xc8de, Lifetime: 488 secs
IPV4 Unicast IS neighbor: R3.02 Metric: 16
IPV4 Unicast IS neighbor: R3.03 Metric: 19
IPV4 Multicast IS neighbor: R3.02 Metric: 26
IPV4 Multicast IS neighbor: R3.03 Metric: 11
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 16 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 19 Internal Up
R3.02-00 Sequence: 0x139, Checksum: 0xfb0e, Lifetime: 625 secs
IPV4 Unicast IS neighbor: R1.00 Metric: 0
IPV4 Unicast IS neighbor: R3.00 Metric: 0
R3.03-00 Sequence: 0x138, Checksum: 0xad56, Lifetime: 714 secs
IPV4 Unicast IS neighbor: R2.00 Metric: 0
IPV4 Unicast IS neighbor: R3.00 Metric: 0
IS-IS level 2 link-state database:
R1.00-00 Sequence: 0x142, Checksum: 0x2c7c, Lifetime: 816 secs
IPV4 Unicast IS neighbor: R2.02 Metric: 20
IPV4 Unicast IS neighbor: R3.02 Metric: 31
IPV4 Multicast IS neighbor: R2.02 Metric: 14
IPV4 Multicast IS neighbor: R3.02 Metric: 22
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 20 Internal Up
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 31 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 29 Internal Up
R2.00-00 Sequence: 0x13f, Checksum: 0x4826, Lifetime: 966 secs
IPV4 Unicast IS neighbor: R2.02 Metric: 29
IPV4 Unicast IS neighbor: R3.03 Metric: 32
IPV4 Multicast IS neighbor: R2.02 Metric: 23
IPV4 Multicast IS neighbor: R3.03 Metric: 26
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 29 Internal Up
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 28 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 32 Internal Up
R2.02-00 Sequence: 0x13c, Checksum: 0x57e2, Lifetime: 966 secs
IPV4 Unicast IS neighbor: R1.00 Metric: 0
IPV4 Unicast IS neighbor: R2.00 Metric: 0
R3.00-00 Sequence: 0x13d, Checksum: 0x1b19, Lifetime: 805 secs
IPV4 Unicast IS neighbor: R3.02 Metric: 30
IPV4 Unicast IS neighbor: R3.03 Metric: 27
IPV4 Multicast IS neighbor: R3.02 Metric: 20
IPV4 Multicast IS neighbor: R3.03 Metric: 21
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 31 Internal Up
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 30 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 27 Internal Up
R3.02-00 Sequence: 0x139, Checksum: 0xfb0e, Lifetime: 844 secs
IPV4 Unicast IS neighbor: R1.00 Metric: 0
IPV4 Unicast IS neighbor: R3.00 Metric: 0
R3.03-00 Sequence: 0x139, Checksum: 0xab57, Lifetime: 844 secs
IPV4 Unicast IS neighbor: R2.00 Metric: 0
IPV4 Unicast IS neighbor: R3.00 Metric: 0
Enrutador R2
user@R2> show isis database detail
IS-IS level 1 link-state database:
R1.00-00 Sequence: 0x142, Checksum: 0xd07, Lifetime: 524 secs
IPV4 Unicast IS neighbor: R2.02 Metric: 15
IPV4 Unicast IS neighbor: R3.02 Metric: 15
IPV4 Multicast IS neighbor: R2.02 Metric: 18
IPV4 Multicast IS neighbor: R3.02 Metric: 17
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 15 Internal Up
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 15 Internal Up
R2.00-00 Sequence: 0x13f, Checksum: 0xf02b, Lifetime: 748 secs
IPV4 Unicast IS neighbor: R2.02 Metric: 13
IPV4 Unicast IS neighbor: R3.03 Metric: 14
IPV4 Multicast IS neighbor: R2.02 Metric: 12
IPV4 Multicast IS neighbor: R3.03 Metric: 18
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 13 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 14 Internal Up
R2.02-00 Sequence: 0x13c, Checksum: 0x57e2, Lifetime: 777 secs
IPV4 Unicast IS neighbor: R1.00 Metric: 0
IPV4 Unicast IS neighbor: R2.00 Metric: 0
R3.00-00 Sequence: 0x13d, Checksum: 0xc6df, Lifetime: 1102 secs
IPV4 Unicast IS neighbor: R3.02 Metric: 16
IPV4 Unicast IS neighbor: R3.03 Metric: 19
IPV4 Multicast IS neighbor: R3.02 Metric: 26
IPV4 Multicast IS neighbor: R3.03 Metric: 11
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 16 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 19 Internal Up
R3.02-00 Sequence: 0x139, Checksum: 0xfb0e, Lifetime: 488 secs
IPV4 Unicast IS neighbor: R1.00 Metric: 0
IPV4 Unicast IS neighbor: R3.00 Metric: 0
R3.03-00 Sequence: 0x138, Checksum: 0xad56, Lifetime: 577 secs
IPV4 Unicast IS neighbor: R2.00 Metric: 0
IPV4 Unicast IS neighbor: R3.00 Metric: 0
IS-IS level 2 link-state database:
R1.00-00 Sequence: 0x142, Checksum: 0x2c7c, Lifetime: 676 secs
IPV4 Unicast IS neighbor: R2.02 Metric: 20
IPV4 Unicast IS neighbor: R3.02 Metric: 31
IPV4 Multicast IS neighbor: R2.02 Metric: 14
IPV4 Multicast IS neighbor: R3.02 Metric: 22
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 20 Internal Up
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 31 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 29 Internal Up
R2.00-00 Sequence: 0x13f, Checksum: 0x4826, Lifetime: 831 secs
IPV4 Unicast IS neighbor: R2.02 Metric: 29
IPV4 Unicast IS neighbor: R3.03 Metric: 32
IPV4 Multicast IS neighbor: R2.02 Metric: 23
IPV4 Multicast IS neighbor: R3.03 Metric: 26
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 29 Internal Up
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 28 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 32 Internal Up
R2.02-00 Sequence: 0x13c, Checksum: 0x57e2, Lifetime: 831 secs
IPV4 Unicast IS neighbor: R1.00 Metric: 0
IPV4 Unicast IS neighbor: R2.00 Metric: 0
R3.00-00 Sequence: 0x13d, Checksum: 0x1b19, Lifetime: 667 secs
IPV4 Unicast IS neighbor: R3.02 Metric: 30
IPV4 Unicast IS neighbor: R3.03 Metric: 27
IPV4 Multicast IS neighbor: R3.02 Metric: 20
IPV4 Multicast IS neighbor: R3.03 Metric: 21
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 31 Internal Up
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 30 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 27 Internal Up
R3.02-00 Sequence: 0x139, Checksum: 0xfb0e, Lifetime: 707 secs
IPV4 Unicast IS neighbor: R1.00 Metric: 0
IPV4 Unicast IS neighbor: R3.00 Metric: 0
R3.03-00 Sequence: 0x139, Checksum: 0xab57, Lifetime: 707 secs
IPV4 Unicast IS neighbor: R2.00 Metric: 0
IPV4 Unicast IS neighbor: R3.00 Metric: 0
Enrutador R3
user@R3> show isis database detail
IS-IS level 1 link-state database:
R1.00-00 Sequence: 0x143, Checksum: 0xb08, Lifetime: 1155 secs
IPV4 Unicast IS neighbor: R2.02 Metric: 15
IPV4 Unicast IS neighbor: R3.02 Metric: 15
IPV4 Multicast IS neighbor: R2.02 Metric: 18
IPV4 Multicast IS neighbor: R3.02 Metric: 17
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 15 Internal Up
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 15 Internal Up
R2.00-00 Sequence: 0x13f, Checksum: 0xf02b, Lifetime: 687 secs
IPV4 Unicast IS neighbor: R2.02 Metric: 13
IPV4 Unicast IS neighbor: R3.03 Metric: 14
IPV4 Multicast IS neighbor: R2.02 Metric: 12
IPV4 Multicast IS neighbor: R3.03 Metric: 18
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 13 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 14 Internal Up
R2.02-00 Sequence: 0x13c, Checksum: 0x57e2, Lifetime: 716 secs
IPV4 Unicast IS neighbor: R1.00 Metric: 0
IPV4 Unicast IS neighbor: R2.00 Metric: 0
R3.00-00 Sequence: 0x13d, Checksum: 0xc6df, Lifetime: 1044 secs
IPV4 Unicast IS neighbor: R3.02 Metric: 16
IPV4 Unicast IS neighbor: R3.03 Metric: 19
IPV4 Multicast IS neighbor: R3.02 Metric: 26
IPV4 Multicast IS neighbor: R3.03 Metric: 11
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 16 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 19 Internal Up
R3.02-00 Sequence: 0x139, Checksum: 0xfb0e, Lifetime: 430 secs
IPV4 Unicast IS neighbor: R1.00 Metric: 0
IPV4 Unicast IS neighbor: R3.00 Metric: 0
R3.03-00 Sequence: 0x138, Checksum: 0xad56, Lifetime: 519 secs
IPV4 Unicast IS neighbor: R2.00 Metric: 0
IPV4 Unicast IS neighbor: R3.00 Metric: 0
IS-IS level 2 link-state database:
R1.00-00 Sequence: 0x142, Checksum: 0x2c7c, Lifetime: 617 secs
IPV4 Unicast IS neighbor: R2.02 Metric: 20
IPV4 Unicast IS neighbor: R3.02 Metric: 31
IPV4 Multicast IS neighbor: R2.02 Metric: 14
IPV4 Multicast IS neighbor: R3.02 Metric: 22
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 20 Internal Up
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 31 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 29 Internal Up
R2.00-00 Sequence: 0x13f, Checksum: 0x4826, Lifetime: 769 secs
IPV4 Unicast IS neighbor: R2.02 Metric: 29
IPV4 Unicast IS neighbor: R3.03 Metric: 32
IPV4 Multicast IS neighbor: R2.02 Metric: 23
IPV4 Multicast IS neighbor: R3.03 Metric: 26
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 29 Internal Up
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 28 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 32 Internal Up
R2.02-00 Sequence: 0x13c, Checksum: 0x57e2, Lifetime: 769 secs
IPV4 Unicast IS neighbor: R1.00 Metric: 0
IPV4 Unicast IS neighbor: R2.00 Metric: 0
R3.00-00 Sequence: 0x13d, Checksum: 0x1b19, Lifetime: 610 secs
IPV4 Unicast IS neighbor: R3.02 Metric: 30
IPV4 Unicast IS neighbor: R3.03 Metric: 27
IPV4 Multicast IS neighbor: R3.02 Metric: 20
IPV4 Multicast IS neighbor: R3.03 Metric: 21
IP IPV4 Unicast prefix: 10.0.1.8/30 Metric: 31 Internal Up
IP IPV4 Unicast prefix: 10.0.2.8/30 Metric: 30 Internal Up
IP IPV4 Unicast prefix: 10.0.3.8/30 Metric: 27 Internal Up
R3.02-00 Sequence: 0x139, Checksum: 0xfb0e, Lifetime: 649 secs
IPV4 Unicast IS neighbor: R1.00 Metric: 0
IPV4 Unicast IS neighbor: R3.00 Metric: 0
R3.03-00 Sequence: 0x139, Checksum: 0xab57, Lifetime: 649 secs
IPV4 Unicast IS neighbor: R2.00 Metric: 0
IPV4 Unicast IS neighbor: R3.00 Metric: 0
Significado
La topología de multidifusión se configura en los enrutadores R1, R2 y R3.