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Exemplo: Configuração de comunidades em uma política de roteamento
Uma comunidade é um atributo de rota usado pelo BGP para agrupar rotas administrativamente com propriedades semelhantes.
Requisitos
Nenhuma configuração especial além da inicialização do dispositivo é necessária antes de configurar este exemplo.
- Atualizado e revalidado usando o vMX no Junos OS Release 21.1R1.
Visão geral
Um papel principal do atributo da comunidade é ser um valor de tag administrativa usado para associar rotas em conjunto. Geralmente, essas rotas compartilham algumas propriedades comuns, mas isso não é necessário. As comunidades são uma ferramenta flexível dentro do BGP. Um valor de comunidade individual pode ser atribuído a uma única rota ou várias rotas. Uma rota pode ser atribuída a um único valor de comunidade ou vários valores. As redes usam o atributo da comunidade para ajudar na implementação de políticas de roteamento administrativo. O valor atribuído de uma rota pode permitir que ele seja aceito na rede, ou rejeitado da rede, ou permitir que ele modifique atributos.
Figura 1 mostra o dispositivo R1, o dispositivo R2 e o dispositivo R3 como pares BGP interno (IBGP) em sistema autônomo (AS) 64510. O dispositivo R4 está anunciando o espaço de endereços 172.16.0/21 a partir do AS 64511.
Topologia
As rotas específicas recebidas pelo dispositivo R1 do dispositivo R4 são as seguintes:
user@R1> show route receive-protocol bgp 10.0.0.13
inet.0: 24 destinations, 28 routes (24 active, 0 holddown, 0 hidden)
Prefix Nexthop MED Lclpref AS path
* 172.16.0.0/24 10.0.0.13 64511 I
* 172.16.1.0/24 10.0.0.13 64511 I
* 172.16.2.0/24 10.0.0.13 64511 I
* 172.16.3.0/24 10.0.0.13 64511 I
172.16.4.0/24 10.0.0.13 64511 I
172.16.5.0/24 10.0.0.13 64511 I
172.16.6.0/24 10.0.0.13 64511 I
172.16.7.0/24 10.0.0.13 64511 I
Os administradores do AS 64511 querem receber determinado tráfego de usuário do dispositivo R1 e outro tráfego de usuários do dispositivo R3. Para atingir essa meta administrativa, o dispositivo R4 anexa o valor da comunidade de 64511:1 a algumas rotas que envia e anexa o valor da comunidade 64511:3 a outras rotas que envia. As políticas de roteamento dentro do AS 64510 são configuradas usando um critério de correspondência da comunidade para alterar a preferência local das rotas recebidas para novos valores que alteram o algoritmo de seleção de rotas BGP. A rota com o mais alto valor de preferência local é preferida.
No dispositivo R1, as rotas com o valor da comunidade 64511:1 recebem uma preferência local de 200, e as rotas com o valor da comunidade 64511:3 recebem uma preferência local de 50. No dispositivo R3, o inverso é feito para que rotas com o valor da comunidade 64511:3 sejam atribuídas a uma preferência local de 200, e rotas com o valor da comunidade 64511:1 recebem uma preferência local de 50. Essas informações são então comunicadas através do IBGP pelo dispositivo R1 e pelo dispositivo R3 para o dispositivo R2.
Configuração rápida da CLI mostra a configuração de todos os dispositivos em Figura 1.
A configuração passo a passo da seção descreve as etapas de configuração nos dispositivos R1 e R4.
Configuração
Configuração rápida da CLI
Para configurar este exemplo rapidamente, copie os seguintes comandos, cole-os em um arquivo de texto, remova qualquer quebra de linha, altere os detalhes necessários para combinar com a configuração da sua rede e, em seguida, copie e cole os comandos no CLI no nível de [edit] hierarquia.
Dispositivo R1
set interfaces ge-0/0/0 unit 0 family inet address 10.0.0.1/30 set interfaces ge-0/0/1 unit 0 family inet address 10.1.0.5/30 set interfaces ge-0/0/2 unit 0 family inet address 10.0.0.14/30 set interfaces lo0 unit 0 family inet address 192.168.0.1/32 set policy-options policy-statement change-local-preference term find-R1-routes from community R1_PREFERRED set policy-options policy-statement change-local-preference term find-R1-routes then local-preference 200 set policy-options policy-statement change-local-preference term find-R3-routes from community R3_PREFERRED set policy-options policy-statement change-local-preference term find-R3-routes then local-preference 50 set policy-options policy-statement send-direct term 1 from protocol direct set policy-options policy-statement send-direct term 1 from route-filter 10.0.0.12/30 exact set policy-options policy-statement send-direct term 1 then accept set policy-options community R3_PREFERRED members 64511:3 set policy-options community R1_PREFERRED members 64511:1 set protocols bgp group int type internal set protocols bgp group int local-address 192.168.0.1 set protocols bgp group int export send-direct set protocols bgp group int neighbor 192.168.0.2 set protocols bgp group int neighbor 192.168.0.3 set protocols bgp group ext type external set protocols bgp group ext import change-local-preference set protocols bgp group ext peer-as 64511 set protocols bgp group ext neighbor 10.0.0.13 set protocols ospf area 0.0.0.0 interface ge-0/0/0.0 set protocols ospf area 0.0.0.0 interface ge-0/0/1.0 set protocols ospf area 0.0.0.0 interface lo0.0 passive set routing-options router-id 192.168.0.1 set routing-options autonomous-system 64510
Dispositivo R2
set interfaces ge-0/0/0 unit 0 family inet address 10.0.0.2/30 set interfaces ge-0/0/1 unit 0 family inet address 10.1.0.1/30 set interfaces lo0 unit 0 family inet address 192.168.0.2/32 set protocols bgp group int type internal set protocols bgp group int local-address 192.168.0.2 set protocols bgp group int neighbor 192.168.0.1 set protocols bgp group int neighbor 192.168.0.3 set protocols ospf area 0.0.0.0 interface ge-0/0/0.0 set protocols ospf area 0.0.0.0 interface ge-0/0/1.0 set protocols ospf area 0.0.0.0 interface lo0.0 passive set routing-options router-id 192.168.0.2 set routing-options autonomous-system 64510
Dispositivo R3
set interfaces ge-0/0/0 unit 0 family inet address 10.1.0.6/30 set interfaces ge-0/0/1 unit 0 family inet address 10.1.0.2/30 set interfaces ge-0/0/2 unit 0 family inet address 10.0.0.10/30 set interfaces lo0 unit 0 family inet address 192.168.0.3/32 set policy-options policy-statement change-local-preference term find-R3-routes from community R3_PREFERRED set policy-options policy-statement change-local-preference term find-R3-routes then local-preference 200 set policy-options policy-statement change-local-preference term find-R1-routes from community R1_PREFERRED set policy-options policy-statement change-local-preference term find-R1-routes then local-preference 50 set policy-options policy-statement send-direct term 1 from protocol direct set policy-options policy-statement send-direct term 1 from route-filter 10.0.0.8/30 exact set policy-options policy-statement send-direct term 1 then accept set policy-options community R1_PREFERRED members 64511:1 set policy-options community R3_PREFERRED members 64511:3 set protocols bgp group int type internal set protocols bgp group int local-address 192.168.0.3 set protocols bgp group int export send-direct set protocols bgp group int neighbor 192.168.0.1 set protocols bgp group int neighbor 192.168.0.2 set protocols bgp group ext type external set protocols bgp group ext import change-local-preference set protocols bgp group ext peer-as 64511 set protocols bgp group ext neighbor 10.0.0.9 set protocols ospf area 0.0.0.0 interface ge-0/0/1.0 set protocols ospf area 0.0.0.0 interface ge-0/0/0.0 set protocols ospf area 0.0.0.0 interface lo0.0 passive set routing-options router-id 192.168.0.3 set routing-options autonomous-system 64510
Dispositivo R4
set interfaces ge-0/0/0 unit 0 family inet address 10.0.0.13/30 set interfaces ge-0/0/1 unit 0 family inet address 10.0.0.9/30 set interfaces lo0 unit 0 family inet address 192.168.0.4/32 set policy-options policy-statement send-static term 1 from protocol static set policy-options policy-statement send-static term 1 from route-filter 172.16.0.0/24 exact set policy-options policy-statement send-static term 1 from route-filter 172.16.1.0/24 exact set policy-options policy-statement send-static term 1 from route-filter 172.16.2.0/24 exact set policy-options policy-statement send-static term 1 from route-filter 172.16.3.0/24 exact set policy-options policy-statement send-static term 1 then community add R1_PREFERRED set policy-options policy-statement send-static term 1 then accept set policy-options policy-statement send-static term 2 from protocol static set policy-options policy-statement send-static term 2 from route-filter 172.16.4.0/24 exact set policy-options policy-statement send-static term 2 from route-filter 172.16.5.0/24 exact set policy-options policy-statement send-static term 2 from route-filter 172.16.6.0/24 exact set policy-options policy-statement send-static term 2 from route-filter 172.16.7.0/24 exact set policy-options policy-statement send-static term 2 then community add R3_PREFERRED set policy-options policy-statement send-static term 2 then accept set policy-options policy-statement send-static term 3 then reject set policy-options community R3_PREFERRED members 64511:3 set policy-options community R1_PREFERRED members 64511:1 set protocols bgp group to-R1 type external set protocols bgp group to-R1 export send-static set protocols bgp group to-R1 peer-as 64510 set protocols bgp group to-R1 neighbor 10.0.0.14 set protocols bgp group to-R3 type external set protocols bgp group to-R3 export send-static set protocols bgp group to-R3 peer-as 64510 set protocols bgp group to-R3 neighbor 10.0.0.10 set routing-options router-id 192.168.0.4 set routing-options autonomous-system 64511 set routing-options static route 172.16.0.0/24 reject set routing-options static route 172.16.1.0/24 reject set routing-options static route 172.16.2.0/24 reject set routing-options static route 172.16.3.0/24 reject set routing-options static route 172.16.4.0/24 reject set routing-options static route 172.16.5.0/24 reject set routing-options static route 172.16.6.0/24 reject set routing-options static route 172.16.7.0/24 reject
Procedimento passo a passo
O exemplo a seguir exige que você navegue por vários níveis na hierarquia de configuração. Para obter informações sobre como navegar na CLI, veja Use o editor de CLI no modo de configuração no Guia de usuário do Junos OS CLI.
Para configurar o dispositivo R1:
-
Configure as interfaces.
[edit interfaces] user@R1# set ge-0/0/0 unit 0 family inet address 10.0.0.1/30 user@R1# set ge-0/0/1 unit 0 family inet address 10.1.0.5/30 user@R1# set ge-0/0/2 unit 0 family inet address 10.0.0.14/30 user@R1# set lo0 unit 0 family inet address 192.168.0.1/32
-
Configure conexões internas de protocolo de gateway (IGP) para dispositivos R2 e R3.
[edit protocols ospf area 0.0.0.0] user@R1# set interface ge-0/0/0.0 user@R1# set interface ge-0/0/1.0 user@R1# set interface lo0.0 passive
-
Configure as conexões IBGP aos dispositivos R2 e R3.
[edit protocols bgp group int] user@R1# set type internal user@R1# set local-address 192.168.0.1 user@R1# set export send-direct user@R1# set neighbor 192.168.0.2 user@R1# set neighbor 192.168.0.3
-
Configure a conexão EBGP com o dispositivo R4.
[edit protocols bgp group ext] user@R1# set type external user@R1# set import change-local-preference user@R1# set peer-as 64511 user@R1# set neighbor 10.0.0.13
-
Configure a política
send-direct.Essa política é mencionada na configuração do IBGP e permite que o dispositivo R2 tenha acessibilidade externa. Uma alternativa é configurar uma
next-hop selfpolítica no dispositivo R1 e no dispositivo R3.[edit policy-options policy-statement send-direct term 1] user@R1# set from protocol direct user@R1# set from route-filter 10.0.0.12/30 exact user@R1# set then accept
-
Configure a política que altera a preferência local por rotas com tags de comunidade especificadas.
[edit policy-options ] user@R1# set policy-statement change-local-preference term find-R1-routes from community R1_PREFERRED user@R1# set policy-statement change-local-preference term find-R1-routes then local-preference 200 user@R1# set policy-statement change-local-preference term find-R3-routes from community R3_PREFERRED user@R1# set policy-statement change-local-preference term find-R3-routes then local-preference 50 user@R1# set community R3_PREFERRED members 64511:3 user@R1# set community R1_PREFERRED members 64511:1
-
Configure o número do sistema autônomo (AS) e o ID do roteador.
[edit routing-options] user@R1# set router-id 192.168.0.1 user@R1# set autonomous-system 64510
Para configurar o dispositivo R4:
-
Configure as interfaces.
[edit interfaces] user@R4# set ge-0/0/0 unit 0 family inet address 10.0.0.13/30 user@R4# set ge-0/0/1 unit 0 family inet address 10.0.0.9/30 user@R4# set lo0 unit 0 family inet address 192.168.0.4/32
-
Configure a conexão EBGP com o dispositivo R1 e o dispositivo R3.
[edit protocols bgp] user@R4# set group to-R1 type external user@R4# set group to-R1 export send-static user@R4# set group to-R1 peer-as 64510 user@R4# set group to-R1 neighbor 10.0.0.14 user@R4# set group to-R3 type external user@R4# set group to-R3 export send-static user@R4# set group to-R3 peer-as 64510 user@R4# set group to-R3 neighbor 10.0.0.10
-
Configure as tags da comunidade.
[edit policy-options ] user@R4# set community R3_PREFERRED members 64511:3 user@R4# set community R1_PREFERRED members 64511:1
-
Configure a política
send-static.Esta política é mencionada nas conexões EBGP ao dispositivo R1 e ao dispositivo R3. A política anexa a comunidade 64511:1 (PREFERRED) a algumas rotas e à comunidade 64511:3 (NOT_PREFERRED) a outras rotas.
[edit policy-options] user@R4# set policy-statement send-static term 1 from protocol static user@R4# set policy-statement send-static term 1 from route-filter 172.16.0.0/24 exact user@R4# set policy-statement send-static term 1 from route-filter 172.16.1.0/24 exact user@R4# set policy-statement send-static term 1 from route-filter 172.16.2.0/24 exact user@R4# set policy-statement send-static term 1 from route-filter 172.16.3.0/24 exact user@R4# set policy-statement send-static term 1 then community add R1_PREFERRED user@R4# set policy-statement send-static term 1 then accept user@R4# set policy-statement send-static term 2 from protocol static user@R4# set policy-statement send-static term 2 from route-filter 172.16.4.0/24 exact user@R4# set policy-statement send-static term 2 from route-filter 172.16.5.0/24 exact user@R4# set policy-statement send-static term 2 from route-filter 172.16.6.0/24 exact user@R4# set policy-statement send-static term 2 from route-filter 172.16.7.0/24 exact user@R4# set policy-statement send-static term 2 then community add R3_PREFERRED user@R4# set policy-statement send-static term 2 then accept user@R4# set policy-statement send-static term 3 then reject
-
Configure as rotas estáticas.
[edit routing-options static] user@R4# set route 172.16.0.0/24 reject user@R4# set route 172.16.1.0/24 reject user@R4# set route 172.16.2.0/24 reject user@R4# set route 172.16.3.0/24 reject user@R4# set route 172.16.4.0/24 reject user@R4# set route 172.16.5.0/24 reject user@R4# set route 172.16.6.0/24 reject user@R4# set route 172.16.7.0/24 reject
-
Configure o número do sistema autônomo (AS) e o ID do roteador.
[edit routing-options] user@R4# set router-id 192.168.0.4 user@R4# set autonomous-system 64511
Resultados
A partir do modo de configuração, confirme sua configuração entrando noshow interfaces, show protocolsshow policy-optionse show routing-options comandos. Se a saída não exibir a configuração pretendida, repita as instruções neste exemplo para corrigir a configuração.
Dispositivo R1
user@R1# show interfaces
ge-0/0/0 {
unit 0 {
family inet {
address 10.0.0.1/30;
}
}
}
ge-0/0/1 {
unit 0 {
family inet {
address 10.1.0.5/30;
}
}
}
ge-0/0/2 {
unit 0 {
family inet {
address 10.0.0.14/30;
}
}
}
lo0 {
unit 0 {
family inet {
address 192.168.0.1/32;
}
}
}
user@R1# show protocols
bgp {
group int {
type internal;
local-address 192.168.0.1;
export send-direct;
neighbor 192.168.0.2;
neighbor 192.168.0.3;
}
group ext {
type external;
import change-local-preference;
peer-as 64511;
neighbor 10.0.0.13;
}
}
ospf {
area 0.0.0.0 {
interface ge-0/0/0.0;
interface ge-0/0/1.0;
interface lo0.0 {
passive;
}
}
}
user@R1# show policy-options
policy-statement change-local-preference {
term find-R1-routes {
from community R1_PREFERRED;
then {
local-preference 200;
}
}
term find-R3-routes {
from community R3_PREFERRED;
then {
local-preference 50;
}
}
}
policy-statement send-direct {
term 1 {
from {
protocol direct;
route-filter 10.0.0.12/30 exact;
}
then accept;
}
}
community R3_PREFERRED members 64511:3;
community R1_PREFERRED members 64511:1;
user@R1# show routing-options router-id 192.168.0.1; autonomous-system 64510;
Dispositivo R4
user@R4# show interfaces
ge-0/0/0 {
unit 0 {
family inet {
address 10.0.0.13/30;
}
}
}
ge-0/0/1 {
unit 0 {
family inet {
address 10.0.0.9/30;
}
}
}
lo0 {
unit 0 {
family inet {
address 192.168.0.4/32;
}
}
}
user@R4# show protocols
bgp {
group to-R1 {
type external;
export send-static;
peer-as 64510;
neighbor 10.0.0.14;
}
group to-R3 {
type external;
export send-static;
peer-as 64510;
neighbor 10.0.0.10;
}
}
user@R4# show policy-options
policy-statement send-static {
term 1 {
from {
protocol static;
route-filter 172.16.0.0/24 exact;
route-filter 172.16.1.0/24 exact;
route-filter 172.16.2.0/24 exact;
route-filter 172.16.3.0/24 exact;
}
then {
community add R1_PREFERRED;
accept;
}
}
term 2 {
from {
protocol static;
route-filter 172.16.4.0/24 exact;
route-filter 172.16.5.0/24 exact;
route-filter 172.16.6.0/24 exact;
route-filter 172.16.7.0/24 exact;
}
then {
community add R3_PREFERRED;
accept;
}
}
term 3 {
then reject;
}
}
community R3_PREFERRED members 64511:3;
community R1_PREFERRED members 64511:1;
user@R4# show routing-options
router-id 192.168.0.4;
autonomous-system 64511;
static {
route 172.16.0.0/24 reject;
route 172.16.1.0/24 reject;
route 172.16.2.0/24 reject;
route 172.16.3.0/24 reject;
route 172.16.4.0/24 reject;
route 172.16.5.0/24 reject;
route 172.16.6.0/24 reject;
route 172.16.7.0/24 reject;
}
Se você terminar de configurar os dispositivos, entre no commit modo de configuração.
Verificação
Confirme se a configuração está funcionando corretamente.
Verificação das rotas enviadas no dispositivo R4
Propósito
No dispositivo R4, verifique as rotas enviadas para o dispositivo R1 e o dispositivo R3.
Ação
user@R4> show route advertising-protocol bgp 10.0.0.14 extensive
inet.0: 13 destinations, 13 routes (13 active, 0 holddown, 0 hidden)
* 172.16.0.0/24 (1 entry, 1 announced)
BGP group to-R1 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:1
* 172.16.1.0/24 (1 entry, 1 announced)
BGP group to-R1 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:1
* 172.16.2.0/24 (1 entry, 1 announced)
BGP group to-R1 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:1
* 172.16.3.0/24 (1 entry, 1 announced)
BGP group to-R1 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:1
* 172.16.4.0/24 (1 entry, 1 announced)
BGP group to-R1 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:3
* 172.16.5.0/24 (1 entry, 1 announced)
BGP group to-R1 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:3
* 172.16.6.0/24 (1 entry, 1 announced)
BGP group to-R1 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:3
* 172.16.7.0/24 (1 entry, 1 announced)
BGP group to-R1 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:3
user@R4> show route advertising-protocol bgp 10.0.0.10 extensive
inet.0: 13 destinations, 13 routes (13 active, 0 holddown, 0 hidden)
* 172.16.0.0/24 (1 entry, 1 announced)
BGP group to-R3 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:1
* 172.16.1.0/24 (1 entry, 1 announced)
BGP group to-R3 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:1
* 172.16.2.0/24 (1 entry, 1 announced)
BGP group to-R3 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:1
* 172.16.3.0/24 (1 entry, 1 announced)
BGP group to-R3 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:1
* 172.16.4.0/24 (1 entry, 1 announced)
BGP group to-R3 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:3
* 172.16.5.0/24 (1 entry, 1 announced)
BGP group to-R3 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:3
* 172.16.6.0/24 (1 entry, 1 announced)
BGP group to-R3 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:3
* 172.16.7.0/24 (1 entry, 1 announced)
BGP group to-R3 type External
Nexthop: Self
AS path: [64511] I
Communities: 64511:3
Significado
O dispositivo R4 marcou as rotas com as comunidades 64511:1 e 64511:3 e as enviou para o dispositivo R1 e R3.
Verificação das rotas recebidas no dispositivo R2
Propósito
No dispositivo R2, verifique as rotas recebidas do dispositivo R1 e do dispositivo R3.
Ação
user@R2> show route receive-protocol bgp 192.168.0.1 inet.0: 25 destinations, 25 routes (25 active, 0 holddown, 0 hidden) Prefix Nexthop MED Lclpref AS path * 10.0.0.12/30 192.168.0.1 100 I * 172.16.0.0/24 10.0.0.13 200 64511 I * 172.16.1.0/24 10.0.0.13 200 64511 I * 172.16.2.0/24 10.0.0.13 200 64511 I * 172.16.3.0/24 10.0.0.13 200 64511 I
user@R2> show route receive-protocol bgp 192.168.0.3 inet.0: 25 destinations, 25 routes (25 active, 0 holddown, 0 hidden) Prefix Nexthop MED Lclpref AS path * 10.0.0.8/30 192.168.0.3 100 I * 172.16.4.0/24 10.0.0.9 200 64511 I * 172.16.5.0/24 10.0.0.9 200 64511 I * 172.16.6.0/24 10.0.0.9 200 64511 I * 172.16.7.0/24 10.0.0.9 200 64511 I
user@R2> show route match-prefix 172.16.*
inet.0: 25 destinations, 25 routes (25 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
172.16.0.0/24 *[BGP/170] 1w3d 00:02:11, localpref 200, from 192.168.0.1
AS path: 64511 I, validation-state: unverified
> to 10.0.0.1 via ge-0/0/0.0
172.16.1.0/24 *[BGP/170] 1w3d 00:02:11, localpref 200, from 192.168.0.1
AS path: 64511 I, validation-state: unverified
> to 10.0.0.1 via ge-0/0/0.0
172.16.2.0/24 *[BGP/170] 1w3d 00:02:11, localpref 200, from 192.168.0.1
AS path: 64511 I, validation-state: unverified
> to 10.0.0.1 via ge-0/0/0.0
172.16.3.0/24 *[BGP/170] 1w3d 00:02:11, localpref 200, from 192.168.0.1
AS path: 64511 I, validation-state: unverified
> to 10.0.0.1 via ge-0/0/0.0
172.16.4.0/24 *[BGP/170] 1w3d 00:01:50, localpref 200, from 192.168.0.3
AS path: 64511 I, validation-state: unverified
> to 10.1.0.2 via ge-0/0/1.0
172.16.5.0/24 *[BGP/170] 1w3d 00:01:50, localpref 200, from 192.168.0.3
AS path: 64511 I, validation-state: unverified
> to 10.1.0.2 via ge-0/0/1.0
172.16.6.0/24 *[BGP/170] 1w3d 00:01:50, localpref 200, from 192.168.0.3
AS path: 64511 I, validation-state: unverified
> to 10.1.0.2 via ge-0/0/1.0
172.16.7.0/24 *[BGP/170] 1w3d 00:01:50, localpref 200, from 192.168.0.3
AS path: 64511 I, validation-state: unverified
> to 10.1.0.2 via ge-0/0/1.0
Significado
O dispositivo R2 tem as rotas com as preferências locais esperadas e as rotas ativas esperadas, conforme designado pelos asterisco (*).