SUR CETTE PAGE
Exemple : configuration d’une stratégie de sélection de sauvegarde pour le protocole IS-IS
Cet exemple montre comment configurer la stratégie de sélection de sauvegarde pour le protocole IS-IS.
Lorsque vous activez des stratégies de sélection de sauvegarde, Junos OS permet de sélectionner LFA en fonction des règles de stratégie et des attributs des liens et des nœuds du réseau. Ces attributs sont admin-group, srlg, bandwidth, protection-type, metric, neighbor et neighbor-tag.
Exigences
Cet exemple utilise les composants matériels et logiciels suivants :
Huit routeurs pouvant être une combinaison de routeurs de périphérie et de routeurs centraux.
Junos OS s’exécute sur tous les équipements.
Avant de commencer :
Configurez les interfaces des appareils.
Configurez IS-IS.
Aperçu
L’algorithme ou les critères de sélection de l’alternative sans boucle (LFA) par défaut peuvent être remplacés par une stratégie LFA. Ces stratégies sont configurées pour chaque destination (IPv4 et IPv6) et pour une interface de saut suivant principale. Ces stratégies de sauvegarde appliquent la sélection LFA en fonction des attributs admin-group, srlg, bandwidth, protection-type, metric, neighbor et neighbor-tag du chemin de sauvegarde. Lors du calcul du chemin le plus court en premier (SPF), chaque attribut (nœud et lien) du chemin de sauvegarde, stocké par saut suivant de sauvegarde, est accumulé par l’IGP. Pour les routes créées en interne par l’IGP, l’ensemble d’attributs de chaque chemin de sauvegarde est évalué par rapport à la stratégie configurée pour chaque destination (IPv4 et IPv6) et une interface de saut suivant principale. Le premier ou le meilleur chemin de sauvegarde est sélectionné et installé en tant que prochain saut de sauvegarde dans la table de routage. Pour configurer la stratégie de sélection de sauvegarde, incluez l’instruction de backup-selection configuration au niveau de la [edit routing-options] hiérarchie. La show backup-selection commande affiche les stratégies configurées pour une interface et une destination données. L’affichage peut être filtré en fonction d’une destination, d’un préfixe, d’une interface ou d’un système logique particulier.
Topologie
Dans cette topologie, la stratégie de sélection de sauvegarde est configurée sur l’appareil R3.
Figure 1 : Chemin
de sélection de sauvegarde
de sélection de sauvegarde
Configuration
Configuration rapide de la CLI
Pour configurer rapidement cet exemple, copiez les commandes suivantes, collez-les dans un fichier texte, supprimez les sauts de ligne, modifiez tous les détails nécessaires pour qu’ils correspondent à votre configuration réseau, puis copiez et collez les commandes dans le CLI au niveau de la [edit] hiérarchie.
R0
set interfaces ge-4/0/1 unit 0 family inet address 100.0.1.1/24 set interfaces ge-4/0/1 unit 0 family iso set interfaces ge-4/0/1 unit 0 family inet6 address 2001:100:0:1::1/64 set interfaces ge-4/0/1 unit 0 family mpls set interfaces ge-0/2/1 unit 0 family inet address 100.0.4.1/24 set interfaces ge-0/2/1 unit 0 family iso set interfaces ge-0/2/1 unit 0 family inet6 address 2001:100:0:4::1/64 set interfaces ge-0/2/1 unit 0 family mpls set interfaces ge-1/3/1 unit 0 family inet address 100.0.5.1/24 set interfaces ge-1/3/1 unit 0 family iso set interfaces ge-1/3/1 unit 0 family inet6 address 2001:100:0:5::1/64 set interfaces ge-1/3/1 unit 0 family mpls set interfaces ge-1/3/0 unit 0 family inet address 100.0.6.1/24 set interfaces ge-1/3/0 unit 0 family iso set interfaces ge-1/3/0 unit 0 family inet6 address 2001:100:0:6::1/64 set interfaces ge-1/3/0 unit 0 family mpls set interfaces ge-0/2/7 unit 0 family inet address 100.0.7.1/24 set interfaces ge-0/2/7 unit 0 family iso set interfaces ge-0/2/7 unit 0 family inet6 address 2001:100:0:7::1/64 set interfaces ge-0/2/7 unit 0 family mpls set interfaces lo0 unit 0 family inet address 10.255.102.146/32 set interfaces lo0 unit 0 family iso address 49.0001.0010.0100.1001.00 set interfaces lo0 unit 0 family inet6 address abcd::10:255:102:146/128 set interfaces lo0 unit 0 family mpls set protocols rsvp interface all set protocols mpls admin-groups c0 0 set protocols mpls admin-groups c1 1 set protocols mpls admin-groups c2 2 set protocols mpls admin-groups c3 3 set protocols mpls admin-groups c4 4 set protocols mpls admin-groups c5 5 set protocols mpls admin-groups c6 6 set protocols mpls admin-groups c7 7 set protocols mpls admin-groups c8 8 set protocols mpls admin-groups c9 9 set protocols mpls admin-groups c10 10 set protocols mpls admin-groups c11 11 set protocols mpls admin-groups c12 12 set protocols mpls admin-groups c13 13 set protocols mpls admin-groups c14 14 set protocols mpls admin-groups c15 15 set protocols mpls admin-groups c16 16 set protocols mpls admin-groups c17 17 set protocols mpls admin-groups c18 18 set protocols mpls admin-groups c19 19 set protocols mpls admin-groups c20 20 set protocols mpls admin-groups c21 21 set protocols mpls admin-groups c22 22 set protocols mpls admin-groups c23 23 set protocols mpls admin-groups c24 24 set protocols mpls admin-groups c25 25 set protocols mpls admin-groups c26 26 set protocols mpls admin-groups c27 27 set protocols mpls admin-groups c28 28 set protocols mpls admin-groups c29 29 set protocols mpls admin-groups c30 30 set protocols mpls admin-groups c31 31 set protocols mpls interface all set protocols isis interface ge-4/0/1 level 2 metric 10 set protocols isis interface ge-0/2/1 level 2 metric 18 set protocols isis interface ge-1/3/1 level 2 metric 51 set protocols isis interface ge-1/3/0 level 2 metric 52 set protocols isis interface ge-0/2/7 level 2 metric 23 set protocols isis interface all level 2 metric 10 set routing-options srlg srlg1 srlg-value 101 set routing-options srlg srlg2 srlg-value 102 set routing-options srlg srlg3 srlg-value 103 set routing-options srlg srlg4 srlg-value 104 set routing-options srlg srlg5 srlg-value 105 set routing-options srlg srlg6 srlg-value 106 set routing-options srlg srlg7 srlg-value 107 set routing-options srlg srlg8 srlg-value 108 set routing-options srlg srlg9 srlg-value 109 set routing-options srlg srlg10 srlg-value 110 set routing-options srlg srlg11 srlg-value 111 set routing-options srlg srlg12 srlg-value 112
R1
set interfaces ge-0/1/2 unit 0 family inet address 100.0.1.2/24 set interfaces ge-0/1/2 unit 0 family iso set interfaces ge-0/1/2 unit 0 family inet6 address 2001:100:0:1::2/64 set interfaces ge-0/1/2 unit 0 family mpls set interfaces ge-3/0/1 unit 0 family inet address 100.1.2.1/24 set interfaces ge-3/0/1 unit 0 family iso set interfaces ge-3/0/1 unit 0 family inet6 address 2001:100:1:2::1/64 set interfaces ge-3/0/1 unit 0 family mpls set interfaces ge-3/1/1 unit 0 family inet address 100.1.4.1/24 set interfaces ge-3/1/1 unit 0 family iso set interfaces ge-3/1/1 unit 0 family inet6 address 2001:100:1:4::1/64 set interfaces ge-3/1/1 unit 0 family mpls set interfaces ge-3/0/2 unit 0 family inet address 100.1.7.1/24 set interfaces ge-3/0/2 unit 0 family iso set interfaces ge-3/0/2 unit 0 family inet6 address 2001:100:1:7::1/64 set interfaces ge-3/0/2 unit 0 family mpls set interfaces lo0 unit 0 family inet address 10.255.102.156/32 set interfaces lo0 unit 0 family iso address 49.0001.0010.0100.1002.00 set interfaces lo0 unit 0 family inet6 address abcd::10:255:102:156/128 set interfaces lo0 unit 0 family mpls set protocols rsvp interface all set protocols mpls admin-groups c0 0 set protocols mpls admin-groups c1 1 set protocols mpls admin-groups c2 2 set protocols mpls admin-groups c3 3 set protocols mpls admin-groups c4 4 set protocols mpls admin-groups c5 5 set protocols mpls admin-groups c6 6 set protocols mpls admin-groups c7 7 set protocols mpls admin-groups c8 8 set protocols mpls admin-groups c9 9 set protocols mpls admin-groups c10 10 set protocols mpls admin-groups c11 11 set protocols mpls admin-groups c12 12 set protocols mpls admin-groups c13 13 set protocols mpls admin-groups c14 14 set protocols mpls admin-groups c15 15 set protocols mpls admin-groups c16 16 set protocols mpls admin-groups c17 17 set protocols mpls admin-groups c18 18 set protocols mpls admin-groups c19 19 set protocols mpls admin-groups c20 20 set protocols mpls admin-groups c21 21 set protocols mpls admin-groups c22 22 set protocols mpls admin-groups c23 23 set protocols mpls admin-groups c24 24 set protocols mpls admin-groups c25 25 set protocols mpls admin-groups c26 26 set protocols mpls admin-groups c27 27 set protocols mpls admin-groups c28 28 set protocols mpls admin-groups c29 29 set protocols mpls admin-groups c30 30 set protocols mpls admin-groups c31 31 set protocols mpls interface all set protocols mpls interface ge-0/1/2 srlg srlg9 set protocols mpls interface ge-0/1/2 admin-group c1 set protocols mpls interface ge-0/1/2 admin-group c2 set protocols mpls interface ge-0/1/2 admin-group c6 set protocols isis interface all level 2 metric 10 set routing-options srlg srlg1 srlg-value 101 set routing-options srlg srlg2 srlg-value 102 set routing-options srlg srlg3 srlg-value 103 set routing-options srlg srlg4 srlg-value 104 set routing-options srlg srlg5 srlg-value 105 set routing-options srlg srlg6 srlg-value 106 set routing-options srlg srlg7 srlg-value 107 set routing-options srlg srlg8 srlg-value 108 set routing-options srlg srlg9 srlg-value 109 set routing-options srlg srlg10 srlg-value 110 set routing-options srlg srlg11 srlg-value 111 set routing-options srlg srlg12 srlg-value 112
R2
set interfaces ge-1/3/3 unit 0 family inet address 100.1.2.2/24 set interfaces ge-1/3/3 unit 0 family iso set interfaces ge-1/3/3 unit 0 family inet6 address 2001:100:1:2::2/64 set interfaces ge-1/3/3 unit 0 family mpls set interfaces ge-1/0/2 unit 0 family inet address 100.2.3.1/24 set interfaces ge-1/0/2 unit 0 family iso set interfaces ge-1/0/2 unit 0 family inet6 address 2001:100:2:3::1/64 set interfaces ge-1/0/2 unit 0 family mpls set interfaces ge-1/2/5 unit 0 family inet address 100.2.4.1/24 set interfaces ge-1/2/5 unit 0 family iso set interfaces ge-1/2/5 unit 0 family inet6 address 2001:100:2:4::1/64 set interfaces ge-1/2/5 unit 0 family mpls set interfaces ge-1/3/9 unit 0 family inet address 100.2.5.1/24 set interfaces ge-1/3/9 unit 0 family iso set interfaces ge-1/3/9 unit 0 family inet6 address 2001:100:2:5::1/64 set interfaces ge-2/3/1 unit 0 family inet address 100.2.6.1/24 set interfaces ge-2/3/1 unit 0 family iso set interfaces ge-2/3/1 unit 0 family inet6 address 2001:100:2:6::1/64 set interfaces ge-2/3/1 unit 0 family mpls set interfaces ge-1/0/8 unit 0 family inet address 100.2.7.1/24 set interfaces ge-1/0/8 unit 0 family iso set interfaces ge-1/0/8 unit 0 family inet6 address 2001:100:2:7::1/64 set interfaces ge-1/0/8 unit 0 family mpls set interfaces lo0 unit 0 family inet address 10.255.102.178/32 set interfaces lo0 unit 0 family iso address 49.0001.0010.0100.1003.00 set interfaces lo0 unit 0 family inet6 address abcd::10:255:102:178/128 set interfaces lo0 unit 0 family mpls set protocols rsvp interface all set protocols mpls admin-groups c0 0 set protocols mpls admin-groups c1 1 set protocols mpls admin-groups c2 2 set protocols mpls admin-groups c3 3 set protocols mpls admin-groups c4 4 set protocols mpls admin-groups c5 5 set protocols mpls admin-groups c6 6 set protocols mpls admin-groups c7 7 set protocols mpls admin-groups c8 8 set protocols mpls admin-groups c9 9 set protocols mpls admin-groups c10 10 set protocols mpls admin-groups c11 11 set protocols mpls admin-groups c12 12 set protocols mpls admin-groups c13 13 set protocols mpls admin-groups c14 14 set protocols mpls admin-groups c15 15 set protocols mpls admin-groups c16 16 set protocols mpls admin-groups c17 17 set protocols mpls admin-groups c18 18 set protocols mpls admin-groups c19 19 set protocols mpls admin-groups c20 20 set protocols mpls admin-groups c21 21 set protocols mpls admin-groups c22 22 set protocols mpls admin-groups c23 23 set protocols mpls admin-groups c24 24 set protocols mpls admin-groups c25 25 set protocols mpls admin-groups c26 26 set protocols mpls admin-groups c27 27 set protocols mpls admin-groups c28 28 set protocols mpls admin-groups c29 29 set protocols mpls admin-groups c30 30 set protocols mpls admin-groups c31 31 set protocols mpls interface all set protocols mpls interface ge-1/0/2 srlg srlg1 set protocols mpls interface ge-1/3/9 srlg srlg1 set protocols mpls interface ge-1/3/9 srlg srlg2 set protocols mpls interface ge-2/3/1 srlg srlg1 set protocols mpls interface ge-1/0/8 srlg srlg7 set protocols isis interface ge-1/0/2 link-protection set protocols isis interface ge-1/2/5 level 2 metric 12 set protocols isis interface ge-2/3/1 level 2 metric 12 set protocols isis interface ge-1/0/8 level 2 metric 13 set protocols isis interface all level 2 metric 10 set routing-options srlg srlg1 srlg-value 101 set routing-options srlg srlg2 srlg-value 102 set routing-options srlg srlg3 srlg-value 103 set routing-options srlg srlg4 srlg-value 104 set routing-options srlg srlg5 srlg-value 105 set routing-options srlg srlg6 srlg-value 106 set routing-options srlg srlg7 srlg-value 107 set routing-options srlg srlg8 srlg-value 108 set routing-options srlg srlg9 srlg-value 109 set routing-options srlg srlg10 srlg-value 110 set routing-options srlg srlg11 srlg-value 111 set routing-options srlg srlg12 srlg-value 112
R3
set interfaces ge-1/3/5 unit 0 family inet address 100.2.3.2/24 set interfaces ge-1/3/5 unit 0 family iso set interfaces ge-1/3/5 unit 0 family inet6 address 2001:100:2:3::2/64 set interfaces ge-1/3/5 unit 0 family mpls set interfaces ge-0/3/1 unit 0 family inet address 100.3.4.1/24 set interfaces ge-0/3/1 unit 0 family iso set interfaces ge-0/3/1 unit 0 family inet6 address 2001:100:3:4::1/64 set interfaces ge-0/3/1 unit 0 family mpls set interfaces ge-0/3/6 unit 0 family inet address 100.3.5.1/24 set interfaces ge-0/3/6 unit 0 family iso set interfaces ge-0/3/6 unit 0 family inet6 address 2001:100:3:5::1/64 set interfaces ge-0/3/6 unit 0 family mpls set interfaces ge-2/0/4 unit 0 family inet address 100.3.6.1/24 set interfaces ge-2/0/4 unit 0 family iso set interfaces ge-2/0/4 unit 0 family inet6 address 2001:100:3:6::1/64 set interfaces ge-2/0/4 unit 0 family mpls set interfaces ge-1/1/0 unit 0 family inet address 100.3.7.1/24 set interfaces ge-1/1/0 unit 0 family iso set interfaces ge-1/1/0 unit 0 family inet6 address 2001:100:3:7::1/64 set interfaces ge-1/1/0 unit 0 family mpls set interfaces lo0 unit 0 family inet address 10.255.102.128/32 set interfaces lo0 unit 0 family iso address 49.0001.0010.0100.1004.00 set interfaces lo0 unit 0 family inet6 address abcd::10:255:102:128/128 set interfaces lo0 unit 0 family mpls set policy-options policy-statement ecmp term 1 then load-balance per-packet set protocols rsvp interface all set protocols mpls admin-groups c0 0 set protocols mpls admin-groups c1 1 set protocols mpls admin-groups c2 2 set protocols mpls admin-groups c3 3 set protocols mpls admin-groups c4 4 set protocols mpls admin-groups c5 5 set protocols mpls admin-groups c6 6 set protocols mpls admin-groups c7 7 set protocols mpls admin-groups c8 8 set protocols mpls admin-groups c9 9 set protocols mpls admin-groups c10 10 set protocols mpls admin-groups c11 11 set protocols mpls admin-groups c12 12 set protocols mpls admin-groups c13 13 set protocols mpls admin-groups c14 14 set protocols mpls admin-groups c15 15 set protocols mpls admin-groups c16 16 set protocols mpls admin-groups c17 17 set protocols mpls admin-groups c18 18 set protocols mpls admin-groups c19 19 set protocols mpls admin-groups c20 20 set protocols mpls admin-groups c21 21 set protocols mpls admin-groups c22 22 set protocols mpls admin-groups c23 23 set protocols mpls admin-groups c24 24 set protocols mpls admin-groups c25 25 set protocols mpls admin-groups c26 26 set protocols mpls admin-groups c27 27 set protocols mpls admin-groups c28 28 set protocols mpls admin-groups c29 29 set protocols mpls admin-groups c30 30 set protocols mpls admin-groups c31 31 set protocols mpls interface all set protocols mpls interface ge-0/3/1 srlg srlg1 set protocols mpls interface ge-0/3/1 srlg srlg2 set protocols mpls interface ge-0/3/1 admin-group c1 set protocols mpls interface ge-0/3/1 admin-group c2 set protocols mpls interface ge-0/3/1 admin-group c3 set protocols mpls interface ge-0/3/1 admin-group c5 set protocols mpls interface ge-0/3/6 admin-group c1 set protocols mpls interface ge-0/3/6 admin-group c2 set protocols mpls interface ge-2/0/4 admin-group c1 set protocols mpls interface ge-2/0/4 admin-group c2 set protocols mpls interface ge-2/0/4 admin-group c5 set protocols mpls interface ge-1/1/0 admin-group c2 set protocols mpls interface ge-1/1/0 admin-group c12 set protocols isis interface ge-1/3/5 link-protection set protocols isis interface ge-0/3/1 level 2 metric 21 set protocols isis interface ge-0/3/6 level 2 metric 13 set protocols isis interface ge-2/0/4 level 2 metric 15 set protocols isis interface ge-1/1/0 level 2 metric 22 set protocols isis interface all level 2 metric 10 set routing-options forwarding-table export ecmp set routing-options srlg srlg1 srlg-value 101 set routing-options srlg srlg2 srlg-value 102 set routing-options srlg srlg3 srlg-value 103 set routing-options srlg srlg4 srlg-value 104 set routing-options srlg srlg5 srlg-value 105 set routing-options srlg srlg6 srlg-value 106 set routing-options srlg srlg7 srlg-value 107 set routing-options srlg srlg8 srlg-value 108 set routing-options srlg srlg9 srlg-value 109 set routing-options srlg srlg10 srlg-value 110 set routing-options srlg srlg11 srlg-value 111 set routing-options srlg srlg12 srlg-value 112 set routing-options backup-selection destination 0.0.0.0/0 interface all admin-group include-all c1 set routing-options backup-selection destination 0.0.0.0/0 interface all admin-group include-any c2 set routing-options backup-selection destination 0.0.0.0/0 interface all admin-group preference c3 set routing-options backup-selection destination 0.0.0.0/0 interface all srlg loose set routing-options backup-selection destination 0.0.0.0/0 interface all downstream-paths-only set routing-options backup-selection destination 0.0.0.0/0 interface all bandwidth-greater-equal-primary set routing-options backup-selection destination 0.0.0.0/0 interface all neighbor preference 10.255.102.178 set routing-options backup-selection destination 0.0.0.0/0 interface all neighbor-tag preference 1004 set routing-options backup-selection destination 0.0.0.0/0 interface all metric-order dest set routing-options backup-selection destination 0.0.0.0/0 interface all evaluation-order admin-group set routing-options backup-selection destination 0.0.0.0/0 interface all evaluation-order srlg set routing-options backup-selection destination 0.0.0.0/0 interface all evaluation-order bandwidth set routing-options backup-selection destination 100.0.1.0/24 interface all srlg strict set routing-options backup-selection destination 100.0.1.0/24 interface all bandwidth-greater-equal-primary set routing-options backup-selection destination 100.0.7.0/24 interface all srlg strict
R4
set interfaces ge-2/1/7 unit 0 family inet address 100.0.4.2/24 set interfaces ge-2/1/7 unit 0 family iso set interfaces ge-2/1/7 unit 0 family inet6 address 2001:100:0:4::2/64 set interfaces ge-2/1/7 unit 0 family mpls set interfaces ge-2/1/5 unit 0 family inet address 100.1.4.2/24 set interfaces ge-2/1/5 unit 0 family iso set interfaces ge-2/1/5 unit 0 family inet6 address 2001:100:1:4::2/64 set interfaces ge-2/1/5 unit 0 family mpls set interfaces ge-8/0/0 unit 0 family inet address 100.2.4.2/24 set interfaces ge-8/0/0 unit 0 family iso set interfaces ge-8/0/0 unit 0 family inet6 address 2001:100:2:4::2/64 set interfaces ge-8/0/0 unit 0 family mpls set interfaces ge-2/2/0 unit 0 family inet address 100.3.4.2/24 set interfaces ge-2/2/0 unit 0 family iso set interfaces ge-2/2/0 unit 0 family inet6 address 2001:100:3:4::2/64 set interfaces ge-2/2/0 unit 0 family mpls set interfaces ge-2/2/3 unit 0 family inet address 100.4.5.1/24 set interfaces ge-2/2/3 unit 0 family iso set interfaces ge-2/2/3 unit 0 family inet6 address 2001:100:4:5::1/64 set interfaces ge-2/2/3 unit 0 family mpls set interfaces lo0 unit 0 family inet address 10.255.102.172/32 set interfaces lo0 unit 0 family iso address 49.0001.0010.0100.1005.00 set interfaces lo0 unit 0 family inet6 address abcd::10:255:102:172/128 set interfaces lo0 unit 0 family mpls set protocols rsvp interface all set protocols mpls admin-groups c0 0 set protocols mpls admin-groups c1 1 set protocols mpls admin-groups c2 2 set protocols mpls admin-groups c3 3 set protocols mpls admin-groups c4 4 set protocols mpls admin-groups c5 5 set protocols mpls admin-groups c6 6 set protocols mpls admin-groups c7 7 set protocols mpls admin-groups c8 8 set protocols mpls admin-groups c9 9 set protocols mpls admin-groups c10 10 set protocols mpls admin-groups c11 11 set protocols mpls admin-groups c12 12 set protocols mpls admin-groups c13 13 set protocols mpls admin-groups c14 14 set protocols mpls admin-groups c15 15 set protocols mpls admin-groups c16 16 set protocols mpls admin-groups c17 17 set protocols mpls admin-groups c18 18 set protocols mpls admin-groups c19 19 set protocols mpls admin-groups c20 20 set protocols mpls admin-groups c21 21 set protocols mpls admin-groups c22 22 set protocols mpls admin-groups c23 23 set protocols mpls admin-groups c24 24 set protocols mpls admin-groups c25 25 set protocols mpls admin-groups c26 26 set protocols mpls admin-groups c27 27 set protocols mpls admin-groups c28 28 set protocols mpls admin-groups c29 29 set protocols mpls admin-groups c30 30 set protocols mpls admin-groups c31 31 set protocols mpls interface all set protocols mpls interface ge-2/1/7 srlg srlg1 set protocols mpls interface ge-2/1/7 srlg srlg2 set protocols mpls interface ge-2/1/7 srlg srlg3 set protocols mpls interface ge-2/1/7 admin-group c1 set protocols mpls interface ge-2/1/7 admin-group c2 set protocols mpls interface ge-2/1/7 admin-group c6 set protocols mpls interface ge-2/1/7 admin-group c13 set protocols isis interface ge-2/1/7 level 2 metric 18 set protocols isis interface ge-8/0/0 level 2 metric 12 set protocols isis interface ge-2/2/0 level 2 metric 21 set protocols isis interface ge-2/2/3 level 2 metric 10 set protocols isis interface all level 2 metric 10 set routing-options srlg srlg1 srlg-value 101 set routing-options srlg srlg2 srlg-value 102 set routing-options srlg srlg3 srlg-value 103 set routing-options srlg srlg4 srlg-value 104 set routing-options srlg srlg5 srlg-value 105 set routing-options srlg srlg6 srlg-value 106 set routing-options srlg srlg7 srlg-value 107 set routing-options srlg srlg8 srlg-value 108 set routing-options srlg srlg9 srlg-value 109 set routing-options srlg srlg10 srlg-value 110 set routing-options srlg srlg11 srlg-value 111 set routing-options srlg srlg12 srlg-value 112
R5
set interfaces ge-3/0/1 unit 0 family inet address 100.0.5.2/24 set interfaces ge-3/0/1 unit 0 family iso set interfaces ge-3/0/1 unit 0 family inet6 address 2001:100:0:5::2/64 set interfaces ge-3/0/1 unit 0 family mpls set interfaces ge-3/2/4 unit 0 family inet address 100.2.5.2/24 set interfaces ge-3/2/4 unit 0 family iso set interfaces ge-3/2/4 unit 0 family inet6 address 2001:100:2:5::2/64 set interfaces ge-3/2/4 unit 0 family mpls set interfaces ge-0/1/5 unit 0 family inet address 100.3.5.2/24 set interfaces ge-0/1/5 unit 0 family iso set interfaces ge-0/1/5 unit 0 family inet6 address 2001:100:3:5::2/64 set interfaces ge-0/1/5 unit 0 family mpls set interfaces ge-3/1/0 unit 0 family inet address 100.4.5.2/24 set interfaces ge-3/1/0 unit 0 family iso set interfaces ge-3/1/0 unit 0 family inet6 address 2001:100:4:5::2/64 set interfaces ge-3/1/0 unit 0 family mpls set interfaces lo0 unit 0 family inet address 10.255.102.166/32 set interfaces lo0 unit 0 family iso address 49.0001.0010.0100.1006.00 set interfaces lo0 unit 0 family inet6 address abcd::10:255:102:166/128 set interfaces lo0 unit 0 family mpls set protocols rsvp interface all set protocols mpls admin-groups c0 0 set protocols mpls admin-groups c1 1 set protocols mpls admin-groups c2 2 set protocols mpls admin-groups c3 3 set protocols mpls admin-groups c4 4 set protocols mpls admin-groups c5 5 set protocols mpls admin-groups c6 6 set protocols mpls admin-groups c7 7 set protocols mpls admin-groups c8 8 set protocols mpls admin-groups c9 9 set protocols mpls admin-groups c10 10 set protocols mpls admin-groups c11 11 set protocols mpls admin-groups c12 12 set protocols mpls admin-groups c13 13 set protocols mpls admin-groups c14 14 set protocols mpls admin-groups c15 15 set protocols mpls admin-groups c16 16 set protocols mpls admin-groups c17 17 set protocols mpls admin-groups c18 18 set protocols mpls admin-groups c19 19 set protocols mpls admin-groups c20 20 set protocols mpls admin-groups c21 21 set protocols mpls admin-groups c22 22 set protocols mpls admin-groups c23 23 set protocols mpls admin-groups c24 24 set protocols mpls admin-groups c25 25 set protocols mpls admin-groups c26 26 set protocols mpls admin-groups c27 27 set protocols mpls admin-groups c28 28 set protocols mpls admin-groups c29 29 set protocols mpls admin-groups c30 30 set protocols mpls admin-groups c31 31 set protocols mpls interface all set protocols mpls interface ge-3/1/0 admin-group c1 set protocols mpls interface ge-3/1/0 admin-group c2 set protocols mpls interface ge-3/1/0 admin-group c4 set protocols mpls interface ge-3/0/1 srlg srlg3 set protocols mpls interface ge-3/0/1 srlg srlg4 set protocols isis interface ge-3/0/1 level 2 metric 51 set protocols isis interface ge-0/1/5 level 2 metric 13 set protocols isis interface ge-3/1/0 level 2 metric 10 set protocols isis interface all level 2 metric 10 set routing-options srlg srlg1 srlg-value 101 set routing-options srlg srlg2 srlg-value 102 set routing-options srlg srlg3 srlg-value 103 set routing-options srlg srlg4 srlg-value 104 set routing-options srlg srlg5 srlg-value 105 set routing-options srlg srlg6 srlg-value 106 set routing-options srlg srlg7 srlg-value 107 set routing-options srlg srlg8 srlg-value 108 set routing-options srlg srlg9 srlg-value 109 set routing-options srlg srlg10 srlg-value 110 set routing-options srlg srlg11 srlg-value 111 set routing-options srlg srlg12 srlg-value 112
R6
set interfaces ge-0/0/6 unit 0 family inet address 100.0.6.2/24 set interfaces ge-0/0/6 unit 0 family iso set interfaces ge-0/0/6 unit 0 family inet6 address 2001:100:0:6::2/64 set interfaces ge-0/0/6 unit 0 family mpls set interfaces ge-3/0/1 unit 0 family inet address 100.2.6.2/24 set interfaces ge-3/0/1 unit 0 family iso set interfaces ge-3/0/1 unit 0 family inet6 address 2001:100:2:6::2/64 set interfaces ge-3/0/1 unit 0 family mpls set interfaces ge-0/0/4 unit 0 family inet address 100.3.6.2/24 set interfaces ge-0/0/4 unit 0 family iso set interfaces ge-0/0/4 unit 0 family inet6 address 2001:100:3:6::2/64 set interfaces ge-0/0/4 unit 0 family mpls set interfaces ge-2/0/1 unit 0 family inet address 100.6.7.1/24 set interfaces ge-2/0/1 unit 0 family iso set interfaces ge-2/0/1 unit 0 family inet6 address 2001:100:6:7::1/64 set interfaces ge-2/0/1 unit 0 family mpls set interfaces lo0 unit 0 family inet address 10.255.102.154/32 set interfaces lo0 unit 0 family iso address 49.0001.0010.0100.1007.00 set interfaces lo0 unit 0 family inet6 address abcd::10:255:102:154/128 set interfaces lo0 unit 0 family mpls set protocols rsvp interface all set protocols mpls admin-groups c0 0 set protocols mpls admin-groups c1 1 set protocols mpls admin-groups c2 2 set protocols mpls admin-groups c3 3 set protocols mpls admin-groups c4 4 set protocols mpls admin-groups c5 5 set protocols mpls admin-groups c6 6 set protocols mpls admin-groups c7 7 set protocols mpls admin-groups c8 8 set protocols mpls admin-groups c9 9 set protocols mpls admin-groups c10 10 set protocols mpls admin-groups c11 11 set protocols mpls admin-groups c12 12 set protocols mpls admin-groups c13 13 set protocols mpls admin-groups c14 14 set protocols mpls admin-groups c15 15 set protocols mpls admin-groups c16 16 set protocols mpls admin-groups c17 17 set protocols mpls admin-groups c18 18 set protocols mpls admin-groups c19 19 set protocols mpls admin-groups c20 20 set protocols mpls admin-groups c21 21 set protocols mpls admin-groups c22 22 set protocols mpls admin-groups c23 23 set protocols mpls admin-groups c24 24 set protocols mpls admin-groups c25 25 set protocols mpls admin-groups c26 26 set protocols mpls admin-groups c27 27 set protocols mpls admin-groups c28 28 set protocols mpls admin-groups c29 29 set protocols mpls admin-groups c30 30 set protocols mpls admin-groups c31 31 set protocols mpls interface all set protocols mpls interface ge-2/0/1 srlg srlg2 set protocols mpls interface ge-2/0/1 srlg srlg3 set protocols mpls interface ge-2/0/1 srlg srlg4 set protocols mpls interface ge-2/0/1 srlg srlg5 set protocols mpls interface ge-2/0/1 admin-group c1 set protocols mpls interface ge-2/0/1 admin-group c2 set protocols mpls interface ge-2/0/1 admin-group c5 set protocols mpls interface ge-2/0/1 admin-group c11 set protocols isis interface ge-0/0/6 level 2 metric 52 set protocols isis interface ge-3/0/1 level 2 metric 12 set protocols isis interface ge-0/0/4 level 2 metric 15 set protocols isis interface ge-2/0/1 level 2 metric 10 set protocols isis interface all level 2 metric 10 set routing-options srlg srlg1 srlg-value 101 set routing-options srlg srlg2 srlg-value 102 set routing-options srlg srlg3 srlg-value 103 set routing-options srlg srlg4 srlg-value 104 set routing-options srlg srlg5 srlg-value 105 set routing-options srlg srlg6 srlg-value 106 set routing-options srlg srlg7 srlg-value 107 set routing-options srlg srlg8 srlg-value 108 set routing-options srlg srlg9 srlg-value 109 set routing-options srlg srlg10 srlg-value 110 set routing-options srlg srlg11 srlg-value 111 set routing-options srlg srlg12 srlg-value 112
R7
set interfaces ge-2/1/0 unit 0 family inet address 100.0.7.2/24 set interfaces ge-2/1/0 unit 0 family iso set interfaces ge-2/1/0 unit 0 family inet6 address 2001:100:0:7::2/64 set interfaces ge-2/1/0 unit 0 family mpls set interfaces ge-2/3/9 unit 0 family inet address 100.1.7.2/24 set interfaces ge-2/3/9 unit 0 family iso set interfaces ge-2/3/9 unit 0 family inet6 address 2001:100:1:7::2/64 set interfaces ge-2/3/9 unit 0 family mpls set interfaces ge-2/1/7 unit 0 family inet address 100.2.7.2/24 set interfaces ge-2/1/7 unit 0 family iso set interfaces ge-2/1/7 unit 0 family inet6 address 2001:100:2:7::2/64 set interfaces ge-2/1/7 unit 0 family mpls set interfaces ge-2/2/2 unit 0 family inet address 100.3.7.2/24 set interfaces ge-2/2/2 unit 0 family iso set interfaces ge-2/2/2 unit 0 family inet6 address 2001:100:3:7::2/64 set interfaces ge-2/2/2 unit 0 family mpls set interfaces ge-2/3/0 unit 0 family inet address 100.6.7.2/24 set interfaces ge-2/3/0 unit 0 family iso set interfaces ge-2/3/0 unit 0 family inet6 address 2001:100:6:7::2/64 set interfaces ge-2/3/0 unit 0 family mpls set interfaces lo0 unit 0 family inet address 10.255.102.180/32 set interfaces lo0 unit 0 family iso address 49.0001.0010.0100.1008.00 set interfaces lo0 unit 0 family inet6 address abcd::10:255:102:180/128 set interfaces lo0 unit 0 family mpls set protocols rsvp interface all set protocols mpls admin-groups c0 0 set protocols mpls admin-groups c1 1 set protocols mpls admin-groups c2 2 set protocols mpls admin-groups c3 3 set protocols mpls admin-groups c4 4 set protocols mpls admin-groups c5 5 set protocols mpls admin-groups c6 6 set protocols mpls admin-groups c7 7 set protocols mpls admin-groups c8 8 set protocols mpls admin-groups c9 9 set protocols mpls admin-groups c10 10 set protocols mpls admin-groups c11 11 set protocols mpls admin-groups c12 12 set protocols mpls admin-groups c13 13 set protocols mpls admin-groups c14 14 set protocols mpls admin-groups c15 15 set protocols mpls admin-groups c16 16 set protocols mpls admin-groups c17 17 set protocols mpls admin-groups c18 18 set protocols mpls admin-groups c19 19 set protocols mpls admin-groups c20 20 set protocols mpls admin-groups c21 21 set protocols mpls admin-groups c22 22 set protocols mpls admin-groups c23 23 set protocols mpls admin-groups c24 24 set protocols mpls admin-groups c25 25 set protocols mpls admin-groups c26 26 set protocols mpls admin-groups c27 27 set protocols mpls admin-groups c28 28 set protocols mpls admin-groups c29 29 set protocols mpls admin-groups c30 30 set protocols mpls admin-groups c31 31 set protocols mpls interface all set protocols mpls interface ge-2/3/9 srlg srlg8 set protocols mpls interface ge-2/3/9 admin-group c1 set protocols mpls interface ge-2/3/9 admin-group c2 set protocols mpls interface ge-2/3/9 admin-group c7 set protocols isis interface ge-2/1/0 level 2 metric 23 set protocols isis interface ge-2/1/7 level 2 metric 13 set protocols isis interface ge-2/2/2 level 2 metric 22 set protocols isis interface all level 2 metric 10 set routing-options srlg srlg1 srlg-value 101 set routing-options srlg srlg2 srlg-value 102 set routing-options srlg srlg3 srlg-value 103 set routing-options srlg srlg4 srlg-value 104 set routing-options srlg srlg5 srlg-value 105 set routing-options srlg srlg6 srlg-value 106 set routing-options srlg srlg7 srlg-value 107 set routing-options srlg srlg8 srlg-value 108 set routing-options srlg srlg9 srlg-value 109 set routing-options srlg srlg10 srlg-value 110 set routing-options srlg srlg11 srlg-value 111 set routing-options srlg srlg12 srlg-value 112
Configuration de l’équipement R3
Procédure étape par étape
L’exemple suivant nécessite que vous naviguiez à différents niveaux dans la hiérarchie de configuration. Pour plus d’informations sur la navigation dans la CLI, reportez-vous à la section Utilisation de l’éditeur CLI en mode configuration dans le Guide de l’utilisateur de la CLI de Junos OS.
Pour configurer l’appareil R3 :
Configurez les interfaces.
[edit interfaces] user@R3# set ge-1/3/5 unit 0 family inet address 100.2.3.2/24 user@R3# set ge-1/3/5 unit 0 family iso user@R3# set ge-1/3/5 unit 0 family inet6 address 2001:100:2:3::2/64 user@R3# set ge-1/3/5 unit 0 family mpls user@R3# set ge-0/3/1 unit 0 family inet address 100.3.4.1/24 user@R3# set ge-0/3/1 unit 0 family iso user@R3# set ge-0/3/1 unit 0 family inet6 address 2001:100:3:4::1/64 user@R3# set ge-0/3/1 unit 0 family mpls user@R3# set ge-0/3/6 unit 0 family inet address 100.3.5.1/24 user@R3# set ge-0/3/6 unit 0 family iso user@R3# set ge-0/3/6 unit 0 family inet6 address 2001:100:3:5::1/64 user@R3# set ge-0/3/6 unit 0 family mpls user@R3# set ge-2/0/4 unit 0 family inet address 100.3.6.1/24 user@R3# set ge-2/0/4 unit 0 family iso user@R3# set ge-2/0/4 unit 0 family inet6 address 2001:100:3:6::1/64 user@R3# set ge-2/0/4 unit 0 family mpls user@R3# set ge-1/1/0 unit 0 family inet address 100.3.7.1/24 user@R3# set ge-1/1/0 unit 0 family iso user@R3# set ge-1/1/0 unit 0 family inet6 address 2001:100:3:7::1/64 user@R3# set ge-1/1/0 unit 0 family mpls user@R3# set interfaces lo0 unit 0 family inet address 10.255.102.128/32 user@R3# set interfaces lo0 unit 0 family iso address 49.0001.0010.0100.1004.00 user@R3# set interfaces lo0 unit 0 family inet6 address abcd::10:255:102:128/128 user@R3# set interfaces lo0 unit 0 family mpls
Configurez la politique de routage.
[edit policy-options] user@R3#set policy-statement ecmp term 1 then load-balance per-packet
Activez RSVP sur toutes les interfaces.
[edit protocols] user@R3# set rsvp interface all
Configurez les groupes administratifs.
[edit protocols mpls] user@R3# set admin-groups c0 0 user@R3# set admin-groups c1 1 user@R3# set admin-groups c2 2 user@R3# set admin-groups c3 3 user@R3# set admin-groups c4 4 user@R3# set admin-groups c5 5 user@R3# set admin-groups c6 6 user@R3# set admin-groups c7 7 user@R3# set admin-groups c8 8 user@R3# set admin-groups c9 9 user@R3# set admin-groups c10 10 user@R3# set admin-groups c11 11 user@R3# set admin-groups c12 12 user@R3# set admin-groups c13 13 user@R3# set admin-groups c14 14 user@R3# set admin-groups c15 15 user@R3# set admin-groups c16 16 user@R3# set admin-groups c16 16 user@R3# set admin-groups c17 17 user@R3# set admin-groups c18 18 user@R3# set admin-groups c19 19 user@R3# set admin-groups c20 20 user@R3# set admin-groups c21 21 user@R3# set admin-groups c22 22 user@R3# set admin-groups c23 23 user@R3# set admin-groups c24 24 user@R3# set admin-groups c25 25 user@R3# set admin-groups c26 26 user@R3# set admin-groups c27 27 user@R3# set admin-groups c28 28 user@R3# set admin-groups c29 29 user@R3# set admin-groups c30 30 user@R3# set admin-groups c31 31
Configurez les valeurs srlg.
[edit routing-options] user@R3# set srlg srlg1 srlg-value 101 user@R3# set srlg srlg2 srlg-value 102 user@R3# set srlg srlg3 srlg-value 103 user@R3# set srlg srlg4 srlg-value 104 user@R3# set srlg srlg5 srlg-value 105 user@R3# set srlg srlg6 srlg-value 106 user@R3# set srlg srlg7 srlg-value 107 user@R3# set srlg srlg8 srlg-value 108 user@R3# set srlg srlg9 srlg-value 109 user@R3# set srlg srlg10 srlg-value 110 user@R3# set srlg srlg11 srlg-value 111 user@R3# set srlg srlg12 srlg-value 112
Activez le MPLS sur toutes les interfaces.
[edit protocols mpls] user@R3# set interface all
Configurez srlg sur les interfaces.
[edit protocols mpls] user@R3# set interface ge-0/3/1 srlg srlg1 user@R3# set interface ge-0/3/1 srlg srlg2
Configurez les groupes d’administration sur les interfaces.
[edit protocols mpls] user@R3# set interface ge-0/3/1 admin-group c1 user@R3# set interface ge-0/3/1 admin-group c2 user@R3# set interface ge-0/3/1 admin-group c3 user@R3# set interface ge-0/3/1 admin-group c5 user@R3# set interface ge-0/3/6 admin-group c1 user@R3# set interface ge-0/3/6 admin-group c2 user@R3# set interface ge-2/0/4 admin-group c1 user@R3# set interface ge-2/0/4 admin-group c2 user@R3# set interface ge-2/0/4 admin-group c5 user@R3# set interface ge-1/1/0 admin-group c2 user@R3# set interface ge-1/1/0 admin-group c12
Activez la protection des liens et configurez les valeurs de mesure sur les interfaces.
[edit protocols] user@R3# set isis interface ge-1/3/5 link-protection user@R3# set isis interface ge-0/3/1 level 2 metric 21 user@R3# set isis interface ge-0/3/6 level 2 metric 13 user@R3# set isis interface ge-2/0/4 level 2 metric 15 user@R3# set isis interface ge-1/1/0 level 2 metric 22
Configurez la valeur de métrique sur toutes les interfaces.
[edit protocols] user@R3# set isis interface all level 2 metric 10
Appliquez la politique de routage à tous les chemins multiples à coût égal exportés de la table de routage vers la table de transfert.
[edit routing-options] user@R3# set forwarding-table export ecmp
Configurez les attributs de la stratégie de sélection de sauvegarde.
[edit routing-options] user@R3# set backup-selection destination 0.0.0.0/0 interface all admin-group include-all c1 user@R3# set backup-selection destination 0.0.0.0/0 interface all admin-group include-any c2 user@R3# set backup-selection destination 0.0.0.0/0 interface all admin-group preference c3 user@R3# set backup-selection destination 0.0.0.0/0 interface all srlg loose user@R3# set backup-selection destination 0.0.0.0/0 interface all downstream-paths-only user@R3# set backup-selection destination 0.0.0.0/0 interface all bandwidth-greater-equal-primary user@R3# set backup-selection destination 0.0.0.0/0 interface all neighbor preference 10.255.102.178 user@R3# set backup-selection destination 0.0.0.0/0 interface all neighbor-tag preference 1004 user@R3# set backup-selection destination 0.0.0.0/0 interface all metric-order dest user@R3# set backup-selection destination 0.0.0.0/0 interface all evaluation-order admin-group user@R3# set backup-selection destination 0.0.0.0/0 interface all evaluation-order srlg user@R3# set backup-selection destination 0.0.0.0/0 interface all evaluation-order bandwidth user@R3# set backup-selection destination 100.0.1.0/24 interface all srlg strict user@R3# set backup-selection destination 100.0.1.0/24 interface all bandwidth-greater-equal-primary user@R3# set backup-selection destination 100.0.7.0/24 interface all srlg strict
Résultats
En mode configuration, confirmez votre configuration en entrant les show interfacescommandes , show protocolset . show routing-options Si la sortie n’affiche pas la configuration prévue, répétez les instructions de cet exemple pour corriger la configuration.
user@R3# show interfaces
ge-1/3/5 {
unit 0 {
family inet {
address 100.2.3.2/24;
}
family iso;
family inet6 {
address 2001:100:2:3::2/64;
}
family mpls;
}
}
ge-0/3/1 {
unit 0 {
family inet {
address 100.3.4.1/24;
}
family iso;
family inet6{
address 2001:100:3:4::1/64;
}
family mpls;
}
}
ge-0/3/6 {
unit 0 {
family inet {
address 100.3.5.1/24;
}
family iso;
family inet6{
address 2001:100:3:5::1/64;
}
family mpls;
}
}
ge-2/0/4 {
unit 0 {
family inet {
address 100.3.6.1/24;
}
family iso;
family inet6{
address 2001:100:3:6::1/64;
}
family mpls;
}
}
ge-1/1/0 {
unit 0 {
family inet {
address 100.3.7.1/24;
}
family iso;
family inet6{
address 2001:100:3:7::1/64;
}
family mpls;
}
}
lo0 {
unit 0 {
family inet {
address 10.255.102.128/32;
}
family iso {
address 49.0001.0010.0100.1004.00;
}
family inet6{
address abcd::10:255:102:128/128;
}
family mpls;
}
}
user@R3# show protocols
rsvp {
interface all;
}
mpls {
admin-groups {
c0 0;
c1 1;
c2 2;
c3 3;
c4 4;
c5 5;
c6 6;
c7 7;
c8 8;
c9 9;
c10 10;
c11 11;
c12 12;
c13 13;
c14 14;
c15 15;
c16 16;
c17 17;
c18 18;
c19 19;
c20 20;
c21 21;
c22 22;
c23 23;
c24 24;
c25 25;
c26 26;
c27 27;
c28 28;
c29 29;
c30 30;
c31 31;
}
interface all;
interface ge-0/3/1 {
srlg [ srlg1 srlg2 ];
admin-group [ c1 c2 c3 c5 ];
}
interface ge-0/3/6 {
admin-group [ c1 c2 ];
}
interface ge-2/0/4 {
admin-group [ c1 c2 c5 ];
}
interface ge-1/1/0 {
admin-group [ c2 c12 ];
}
isis {
interface ge-1/3/5 {
link-protection;
}
interface ge-0/3/1 {
level 2 metric 21;
}
interface ge-0/3/6 {
level 2 metric 13;
}
interface ge-2/0/4 {
level 2 metric 15;
}
interface ge-1/1/0 {
level 2 metric 22;
}
interface all {
level 2 metric 10;
}
}
user@R3# show routing-options
srlg {
srlg1 {
srlg-value 101;
}
srlg2 {
srlg-value 102;
}
srlg3 {
srlg-value 103;
}
srlg4 {
srlg-value 104;
}
srlg5 {
srlg-value 105;
}
srlg6 {
srlg-value 106;
}
srlg7 {
srlg-value 107;
}
srlg8 {
srlg-value 108;
}
srlg9 {
srlg-value 109;
}
srlg10 {
srlg-value 110;
}
srlg111 {
srlg-value 111;
}
srlg112 {
srlg-value 112;
}
}
backup-selection {
destination 0.0.0.0/0 {
interface all {
admin-group {
include-all c1;
include-any c2;
preference c3;
}
srlg loose;
downstream-paths-only;
bandwidth-greater-equal-primary;
neighbor {
preference 10.255.102.178;
}
neighbor-tag {
preference 1004;
}
metric-order dest;
evaluation-order [ admin-group srlg bandwidth ];
}
}
destination 100.0.1.0/24 {
interface all {
srlg strict;
bandwidth-greater-equal-primary;
}
}
destination 100.0.7.0/24 {
interface all {
srlg strict;
}
}
}
Si vous avez terminé de configurer l’appareil, entrez en commit mode configuration.
Vérification
Vérifiez que la configuration fonctionne correctement.
- Vérification des routes
- Vérification de la route IS-IS
- Vérification des racines SPF de sauvegarde pour l’appareil R3.
- Vérification de la stratégie de sélection de sauvegarde pour l’appareil R3
Vérification des routes
But
Vérifiez que les routes attendues sont apprises.
Action
À partir du mode opérationnel, exécutez la show route commande de la table de routage.
user@R3> show route
inet.0: 32 destinations, 32 routes (32 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
10.255.102.128/32 *[Direct/0] 1w0d 04:14:44
> via lo0.31
10.255.102.146/32 *[IS-IS/18] 6d 07:19:57, metric 40
> to 100.2.3.1 via ge-1/3/5.0
to 100.3.4.2 via ge-0/3/1.0
10.255.102.154/32 *[IS-IS/18] 1w0d 04:12:02, metric 25
> to 100.3.6.2 via ge-2/0/4.0
10.255.102.156/32 *[IS-IS/18] 06:38:55, metric 30
> to 100.2.3.1 via ge-1/3/5.0
to 100.3.6.2 via ge-2/0/4.0
10.255.102.166/32 *[IS-IS/18] 1w0d 04:11:57, metric 23
> to 100.3.5.2 via ge-0/3/6.0
10.255.102.172/32 *[IS-IS/18] 1w0d 04:12:03, metric 31
> to 100.3.4.2 via ge-0/3/1.0
10.255.102.178/32 *[IS-IS/18] 06:38:55, metric 20
> to 100.2.3.1 via ge-1/3/5.0
10.255.102.180/32 *[IS-IS/18] 1w0d 04:12:51, metric 32
> to 100.3.7.2 via ge-1/1/0.0
100.0.1.0/24 *[IS-IS/18] 1w0d 04:11:57, metric 30
> to 100.2.3.1 via ge-1/3/5.0
to 100.3.4.2 via ge-0/3/1.0
100.0.4.0/24 *[IS-IS/18] 1w0d 04:12:03, metric 39
> to 100.3.4.2 via ge-0/3/1.0
100.0.5.0/24 *[IS-IS/18] 1w0d 04:11:57, metric 64
> to 100.3.5.2 via ge-0/3/6.0
100.0.6.0/24 *[IS-IS/18] 1w0d 04:12:02, metric 67
> to 100.3.6.2 via ge-2/0/4.0
100.0.7.0/24 *[IS-IS/18] 1w0d 04:12:51, metric 45
> to 100.3.7.2 via ge-1/1/0.0
100.1.2.0/24 *[IS-IS/18] 06:38:55, metric 20
> to 100.2.3.1 via ge-1/3/5.0
100.1.4.0/24 *[IS-IS/18] 06:38:55, metric 30
> to 100.2.3.1 via ge-1/3/5.0
to 100.3.6.2 via ge-2/0/4.0
100.1.7.0/24 *[IS-IS/18] 06:38:55, metric 30
> to 100.2.3.1 via ge-1/3/5.0
to 100.3.6.2 via ge-2/0/4.0
100.2.3.0/24 *[Direct/0] 1w0d 04:13:11
> via ge-1/3/5.0
100.2.3.2/32 *[Local/0] 1w0d 04:13:11
Local via ge-1/3/5.0
100.2.4.0/24 *[IS-IS/18] 06:38:55, metric 22
> to 100.2.3.1 via ge-1/3/5.0
100.2.5.0/24 *[IS-IS/18] 06:38:55, metric 20
> to 100.2.3.1 via ge-1/3/5.0
100.2.6.0/24 *[IS-IS/18] 06:38:55, metric 22
> to 100.2.3.1 via ge-1/3/5.0
100.2.7.0/24 *[IS-IS/18] 06:38:55, metric 23
> to 100.2.3.1 via ge-1/3/5.0
100.3.4.0/24 *[Direct/0] 1w0d 04:13:10
> via ge-0/3/1.0
100.3.4.1/32 *[Local/0] 1w0d 04:13:10
Local via ge-0/3/1.0
100.3.5.0/24 *[Direct/0] 1w0d 04:13:10
> via ge-0/3/6.0
100.3.5.1/32 *[Local/0] 1w0d 04:13:10
Local via ge-0/3/6.0
100.3.6.0/24 *[Direct/0] 1w0d 04:13:10
> via ge-2/0/4.0
100.3.6.1/32 *[Local/0] 1w0d 04:13:10
Local via ge-2/0/4.0
100.3.7.0/24 *[Direct/0] 1w0d 04:13:10
> via ge-1/1/0.0
100.3.7.1/32 *[Local/0] 1w0d 04:13:10
Local via ge-1/1/0.0
100.4.5.0/24 *[IS-IS/18] 1w0d 04:11:57, metric 23
> to 100.3.5.2 via ge-0/3/6.0
100.6.7.0/24 *[IS-IS/18] 1w0d 04:12:02, metric 25
> to 100.3.6.2 via ge-2/0/4.0
iso.0: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
49.0001.0010.0100.1004/72
*[Direct/0] 1w0d 04:14:44
> via lo0.0
mpls.0: 4 destinations, 4 routes (4 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
0 *[MPLS/0] 1w0d 04:14:47, metric 1
Receive
1 *[MPLS/0] 1w0d 04:14:47, metric 1
Receive
2 *[MPLS/0] 1w0d 04:14:47, metric 1
Receive
13 *[MPLS/0] 1w0d 04:14:47, metric 1
Receive
inet6.0: 39 destinations, 43 routes (39 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
2001:100:0:1::/64 *[IS-IS/18] 1w0d 04:11:57, metric 30
> to fe80::2a0:a514:0:1749 via ge-1/3/5.0
to fe80::2a0:a514:0:2b49 via ge-0/3/1.0
2001:100:0:4::/64 *[IS-IS/18] 1w0d 04:12:03, metric 39
> to fe80::2a0:a514:0:2b49 via ge-0/3/1.0
2001:100:0:5::/64 *[IS-IS/18] 1w0d 04:11:57, metric 64
> to fe80::2a0:a514:0:3549 via ge-0/3/6.0
2001:100:0:6::/64 *[IS-IS/18] 1w0d 04:12:02, metric 67
> to fe80::2a0:a514:0:3f49 via ge-2/0/4.0
2001:100:0:7::/64 *[IS-IS/18] 1w0d 04:12:51, metric 45
> to fe80::2a0:a514:0:4949 via ge-1/1/0.0
2001:100:1:2::/64 *[IS-IS/18] 1w0d 04:11:57, metric 20
> to fe80::2a0:a514:0:1749 via ge-1/3/5.0
to fe80::2a0:a514:0:3549 via ge-0/3/6.0
2001:100:1:4::/64 *[IS-IS/18] 1w0d 04:11:57, metric 30
> to fe80::2a0:a514:0:1749 via ge-1/3/5.0
to fe80::2a0:a514:0:2b49 via ge-0/3/1.0
2001:100:1:7::/64 *[IS-IS/18] 1w0d 04:11:57, metric 30
> to fe80::2a0:a514:0:1749 via ge-1/3/5.0
to fe80::2a0:a514:0:2b49 via ge-0/3/1.0
2001:100:2:3::/64 *[Direct/0] 1w0d 04:13:00
> via ge-1/3/5.0
2001:100:2:3::2/128*[Local/0] 1w0d 04:13:11
Local via ge-1/3/5.0
2001:100:2:4::/64 *[IS-IS/18] 1w0d 04:11:57, metric 22
> to fe80::2a0:a514:0:1749 via ge-1/3/5.0
to fe80::2a0:a514:0:3549 via ge-0/3/6.0
2001:100:2:5::/64 *[IS-IS/18] 1w0d 04:11:57, metric 20
> to fe80::2a0:a514:0:1749 via ge-1/3/5.0
to fe80::2a0:a514:0:3549 via ge-0/3/6.0
2001:100:2:6::/64 *[IS-IS/18] 1w0d 04:11:57, metric 22
> to fe80::2a0:a514:0:1749 via ge-1/3/5.0
to fe80::2a0:a514:0:3549 via ge-0/3/6.0
2001:100:2:7::/64 *[IS-IS/18] 1w0d 04:11:57, metric 23
> to fe80::2a0:a514:0:1749 via ge-1/3/5.0
to fe80::2a0:a514:0:3549 via ge-0/3/6.0
2001:100:3:4::/64 *[Direct/0] 1w0d 04:12:59
> via ge-0/3/1.0
2001:100:3:4::1/128*[Local/0] 1w0d 04:13:10
Local via ge-0/3/1.0
2001:100:3:5::/64 *[Direct/0] 1w0d 04:12:59
> via ge-0/3/6.0
2001:100:3:5::1/128*[Local/0] 1w0d 04:13:10
Local via ge-0/3/6.0
2001:100:3:6::/64 *[Direct/0] 1w0d 04:12:59
> via ge-2/0/4.0
2001:100:3:6::1/128*[Local/0] 1w0d 04:13:10
Local via ge-2/0/4.0
2001:100:3:7::/64 *[Direct/0] 1w0d 04:12:59
> via ge-1/1/0.0
2001:100:3:7::1/128*[Local/0] 1w0d 04:13:10
Local via ge-1/1/0.0
2001:100:4:5::/64 *[IS-IS/18] 1w0d 04:11:57, metric 23
> to fe80::2a0:a514:0:3549 via ge-0/3/6.0
2001:100:6:7::/64 *[IS-IS/18] 1w0d 04:12:02, metric 25
> to fe80::2a0:a514:0:3f49 via ge-2/0/4.0
abcd::10:255:102:128/128
*[Direct/0] 1w0d 04:14:43
> via lo0.0
abcd::10:255:102:146/128
*[IS-IS/18] 1w0d 04:11:57, metric 40
> to fe80::2a0:a514:0:1749 via ge-1/3/5.0
to fe80::2a0:a514:0:2b49 via ge-0/3/1.0
abcd::10:255:102:154/128
*[IS-IS/18] 1w0d 04:12:02, metric 25
> to fe80::2a0:a514:0:3f49 via ge-2/0/4.0
abcd::10:255:102:156/128
*[IS-IS/18] 1w0d 04:11:57, metric 30
> to fe80::2a0:a514:0:1749 via ge-1/3/5.0
to fe80::2a0:a514:0:2b49 via ge-0/3/1.0
abcd::10:255:102:166/128
*[IS-IS/18] 1w0d 04:11:57, metric 23
> to fe80::2a0:a514:0:3549 via ge-0/3/6.0
abcd::10:255:102:172/128
*[IS-IS/18] 1w0d 04:12:03, metric 31
> to fe80::2a0:a514:0:2b49 via ge-0/3/1.0
abcd::10:255:102:178/128
*[IS-IS/18] 1w0d 04:11:57, metric 20
> to fe80::2a0:a514:0:1749 via ge-1/3/5.0
to fe80::2a0:a514:0:3549 via ge-0/3/6.0
abcd::10:255:102:180/128
*[IS-IS/18] 1w0d 04:12:51, metric 32
> to fe80::2a0:a514:0:4949 via ge-1/1/0.0
fe80::/64 *[Direct/0] 1w0d 04:13:00
> via ge-1/3/5.0
[Direct/0] 1w0d 04:12:59
> via ge-0/3/1.0
[Direct/0] 1w0d 04:12:59
> via ge-0/3/6.0
[Direct/0] 1w0d 04:12:59
> via ge-2/0/4.0
[Direct/0] 1w0d 04:12:59
> via ge-1/1/0.0
fe80::2a0:a50f:fc64:7649/128
*[Direct/0] 1w0d 04:14:43
> via lo0.0
fe80::2a0:a514:0:2049/128
*[Local/0] 1w0d 04:13:11
Local via ge-1/3/5.0
fe80::2a0:a514:0:2249/128
*[Local/0] 1w0d 04:13:10
Local via ge-0/3/1.0
fe80::2a0:a514:0:2349/128
*[Local/0] 1w0d 04:13:10
Local via ge-0/3/6.0
fe80::2a0:a514:0:2449/128
*[Local/0] 1w0d 04:13:10
Local via ge-2/0/4.0
fe80::2a0:a514:0:2549/128
*[Local/0] 1w0d 04:13:10
Local via ge-1/1/0.0
Signification
La sortie affiche toutes les routes R3 de l’appareil.
Vérification de la route IS-IS
But
Vérifiez la table de routage de l’IS-IS.
Action
À partir du mode opérationnel, exécutez la commande pour l’appareil show isis route R3.
user@R3> show isis route
IS-IS routing table Current version: L1: 0 L2: 5023
IPv4/IPv6 Routes
----------------
Prefix L Version Metric Type Interface NH Via Backup Score
10.255.102.146/32 2 5023 40 int ge-1/3/5.0 IPV4 R2
ge-0/3/1.0 IPV4 R4 0000000000200000
10.255.102.154/32 2 5023 25 int ge-2/0/4.0 IPV4 R6
10.255.102.156/32 2 5023 30 int ge-1/3/5.0 IPV4 R2
ge-2/0/4.0 IPV4 R6 0000000000000000
10.255.102.166/32 2 5023 23 int ge-0/3/6.0 IPV4 R5
10.255.102.172/32 2 5023 31 int ge-0/3/1.0 IPV4 R4
10.255.102.178/32 2 5023 20 int ge-1/3/5.0 IPV4 R2
10.255.102.180/32 2 5023 32 int ge-1/1/0.0 IPV4 R7
100.0.1.0/24 2 5023 30 int ge-1/3/5.0 IPV4 R2
ge-0/3/1.0 IPV4 R4 0000000002003100
100.0.4.0/24 2 5023 39 int ge-0/3/1.0 IPV4 R4
100.0.5.0/24 2 5023 64 int ge-0/3/6.0 IPV4 R5
100.0.6.0/24 2 5023 67 int ge-2/0/4.0 IPV4 R6
100.0.7.0/24 2 5023 45 int ge-1/1/0.0 IPV4 R7
100.1.2.0/24 2 5023 20 int ge-1/3/5.0 IPV4 R2
100.1.4.0/24 2 5023 30 int ge-1/3/5.0 IPV4 R2
ge-2/0/4.0 IPV4 R6 0000000000000000
100.1.7.0/24 2 5023 30 int ge-1/3/5.0 IPV4 R2
ge-2/0/4.0 IPV4 R6 0000000000000000
100.2.4.0/24 2 5023 22 int ge-1/3/5.0 IPV4 R2
100.2.5.0/24 2 5023 20 int ge-1/3/5.0 IPV4 R2
100.2.6.0/24 2 5023 22 int ge-1/3/5.0 IPV4 R2
100.2.7.0/24 2 5023 23 int ge-1/3/5.0 IPV4 R2
100.4.5.0/24 2 5023 23 int ge-0/3/6.0 IPV4 R5
100.6.7.0/24 2 5023 25 int ge-2/0/4.0 IPV4 R6
2001:100:0:1::/64 2 5023 30 int ge-1/3/5.0 IPV6 R2
ge-0/3/1.0 IPV6 R4
2001:100:0:4::/64 2 5023 39 int ge-0/3/1.0 IPV6 R4
2001:100:0:5::/64 2 5023 64 int ge-0/3/6.0 IPV6 R5
2001:100:0:6::/64 2 5023 67 int ge-2/0/4.0 IPV6 R6
2001:100:0:7::/64 2 5023 45 int ge-1/1/0.0 IPV6 R7
2001:100:1:2::/64 2 5023 20 int ge-1/3/5.0 IPV6 R2
ge-0/3/6.0 IPV6 R5
2001:100:1:4::/64 2 5023 30 int ge-1/3/5.0 IPV6 R2
ge-0/3/1.0 IPV6 R4
2001:100:1:7::/64 2 5023 30 int ge-1/3/5.0 IPV6 R2
ge-0/3/1.0 IPV6 R4
2001:100:2:4::/64 2 5023 22 int ge-1/3/5.0 IPV6 R2
ge-0/3/6.0 IPV6 R5
2001:100:2:5::/64 2 5023 20 int ge-1/3/5.0 IPV6 R2
ge-0/3/6.0 IPV6 R5
2001:100:2:6::/64 2 5023 22 int ge-1/3/5.0 IPV6 R2
ge-0/3/6.0 IPV6 R5
2001:100:2:7::/64 2 5023 23 int ge-1/3/5.0 IPV6 R2
ge-0/3/6.0 IPV6 R5
2001:100:4:5::/64 2 5023 23 int ge-0/3/6.0 IPV6 R5
2001:100:6:7::/64 2 5023 25 int ge-2/0/4.0 IPV6 R6
abcd::10:255:102:146/128 2 5023 40 int ge-1/3/5.0 IPV6 R2
ge-0/3/1.0 IPV6 R4
abcd::10:255:102:154/128 2 5023 25 int ge-2/0/4.0 IPV6 R6
abcd::10:255:102:156/128 2 5023 30 int ge-1/3/5.0 IPV6 R2
ge-0/3/1.0 IPV6 R4
abcd::10:255:102:166/128 2 5023 23 int ge-0/3/6.0 IPV6 R5
abcd::10:255:102:172/128 2 5023 31 int ge-0/3/1.0 IPV6 R4
abcd::10:255:102:178/128 2 5023 20 int ge-1/3/5.0 IPV6 R2
ge-0/3/6.0 IPV6 R5
abcd::10:255:102:180/128 2 5023 32 int ge-1/1/0.0 IPV6 R7
Signification
La sortie affiche la table de routage des routeurs IS-IS.
Vérification des racines SPF de sauvegarde pour l’appareil R3.
But
Vérifiez les racines SPF de sauvegarde IS-IS potentielles pour l’appareil R3.
Action
À partir du mode opérationnel, exécutez la commande pour l’appareil show isis backup spf results R3.
user@R3> show isis backup spf results
IS-IS level 1 SPF results:
0 nodes
IS-IS level 2 SPF results:
R0.00
Primary next-hop: ge-1/3/5, IPV4, R2, SNPA: b0:c6:9a:2a:f4:bc
Primary next-hop: ge-1/3/5, IPV6, R2, SNPA: b0:c6:9a:2a:f4:bc
Root: R4, Root Metric: 21, Metric: 18, Root Preference: 0x0
track-item: R4.04-00, track-item-isnbr: R4.00
track-item: R0.00-00, track-item-isnbr: R6.03
Eligible, Backup next-hop: ge-0/3/1, IPV4, R4, SNPA: b0:c6:9a:2a:f4:bd
Eligible, Backup next-hop: ge-0/3/1, IPV6, R4, SNPA: b0:c6:9a:2a:f4:bd
Root: R2, Root Metric: 10, Metric: 20, Root Preference: 0x0
track-item: R2.02-00, track-item-isnbr: R2.00
track-item: R1.02-00
track-item: R1.00-00, track-item-isnbr: R2.02
track-item: R0.00-00, track-item-isnbr: R1.02
Not eligible, IPV4, Reason: Primary next-hop link fate sharing
Not eligible, IPV6, Reason: Primary next-hop link fate sharing
Root: R7, Root Metric: 22, Metric: 20, Root Preference: 0x0
track-item: R7.05-00, track-item-isnbr: R7.00
track-item: R1.02-00
track-item: R1.00-00
track-item: R0.00-00, track-item-isnbr: R1.02
Eligible, Backup next-hop: ge-1/1/0, IPV4, R7, SNPA: b0:c6:9a:2a:f4:bd
Eligible, Backup next-hop: ge-1/1/0, IPV6, R7, SNPA: b0:c6:9a:2a:f4:bd
Root: R5, Root Metric: 13, Metric: 28, Root Preference: 0x0
track-item: R5.03-00, track-item-isnbr: R5.00
track-item: R4.04-00, track-item-isnbr: R4.00
track-item: R4.00-00
track-item: R0.00-00, track-item-isnbr: R6.03
Eligible, Backup next-hop: ge-0/3/6, IPV4, R5, SNPA: b0:c6:9a:2a:f4:bd
Eligible, Backup next-hop: ge-0/3/6, IPV6, R5, SNPA: b0:c6:9a:2a:f4:bd
Root: R6, Root Metric: 15, Metric: 30, Root Preference: 0x0
track-item: R7.05-00, track-item-isnbr: R7.00
track-item: R7.04-00, track-item-isnbr: R6.00
track-item: R7.00-00
track-item: R1.02-00
track-item: R1.00-00
track-item: R0.00-00, track-item-isnbr: R1.02
Eligible, Backup next-hop: ge-2/0/4, IPV4, R6, SNPA: b0:c6:9a:2a:f4:bd
Eligible, Backup next-hop: ge-2/0/4, IPV6, R6, SNPA: b0:c6:9a:2a:f4:bd
R7.00
Primary next-hop: ge-1/1/0, IPV4, R7, SNPA: b0:c6:9a:2a:f4:bd
Primary next-hop: ge-1/1/0, IPV6, R7, SNPA: b0:c6:9a:2a:f4:bd
Root: R7, Root Metric: 22, Metric: 0, Root Preference: 0x0
Not eligible, IPV4, Reason: Interface protection not configured
Not eligible, IPV6, Reason: Interface protection not configured
Root: R6, Root Metric: 15, Metric: 10, Root Preference: 0x0
track-item: R7.04-00, track-item-isnbr: R6.00
track-item: R7.00-00
. . .
Signification
La sortie affiche les calculs racine via chaque routeur directement connecté.
Vérification de la stratégie de sélection de sauvegarde pour l’appareil R3
But
Action
À partir du mode opérationnel, exécutez la commande pour l’appareil show backup-selection R3.
user@R3> show backup-selection
Prefix: 0.0.0.0/0
Interface: all
Admin-group include-all: c1
Admin-group include-any: c2
Admin-group preference: c3
Neighbor preference: 10.255.102.178
Neighbor-tag preference: 1004
Protection Type: Link, Downstream Paths Only: Enabled, SRLG: Loose, B/w >= Primary: Enabled, Root-metric: lowest, Dest-metric: lowest
Metric Evaluation Order: Dest-metric, Root-metric
Policy Evaluation Order: Admin-group, SRLG, Bandwidth
Prefix: 100.0.1.0/24
Interface: all
Protection Type: Link, Downstream Paths Only: Disabled, SRLG: Strict, B/w >= Primary: Enabled, Root-metric: lowest, Dest-metric: lowest
Metric Evaluation Order: Dest-metric, Root-metric
Policy Evaluation Order: Admin-group, SRLG, Bandwidth, Protection, Neighbor, Metric, Neighbor-Tag
Prefix: 100.0.7.0/24
Interface: all
Protection Type: Link, Downstream Paths Only: Disabled, SRLG: Strict, B/w >= Primary: Disabled, Root-metric: lowest, Dest-metric: lowest
Metric Evaluation Order: Dest-metric, Root-metric
Policy Evaluation Order: Admin-group, SRLG, Bandwidth, Protection, Neighbor, Metric, Neighbor-Tag
Signification
La sortie affiche les stratégies configurées par préfixe par interface de saut suivant principale.