Definiciones de motivo de inestabilidad de detección de reenvío bidireccional en routers Cisco vEdge
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Actualizado:1 de abril de 2020
ID del documento:215359
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Contenido
Introducción
Este documento describe los diversos motivos de inestabilidad de la detección de reenvío bidireccional (BFD) en un router Cisco vEdge.
Prerequisites
Requirements
Cisco recomienda que conozca la solución Cisco SDWAN.
Componentes Utilizados
Este documento se basa en el router Cisco Cloud vEdge que ejecuta 19.2.1.
The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. Si tiene una red en vivo, asegúrese de entender el posible impacto de cualquier comando.
Descripción general de la topología
Este documento no se limita a ninguna topología específica.
Direcciones IP y colores de algunos componentes importantes en este documento:
| Componente | System-IP | IP VPN 0 / Color | IP VPN 0 / Color |
| VEDGE-1 | 10.13.13.13 | 192.168.1.4/mpls | 192.168.2.4/mpls |
| VEDGE-2 | 10.15.15.15 | 192.168.1.8 / internet biz | 192.168.2.8 / internet biz |
| vSmart | 10.8.8.8 | 192.168.1.3 / valor predeterminado | NA |
| vManage | 10.7.7.7 | 192.168.1.1 / valor predeterminado | NA |
Estados de BFD
Los valores posibles de 'flap-reason' en un router Cisco vEdge son:
1. bfd-delete - BFD se desactiva porque el plano de control lo ha eliminado.
Se generan dos notificaciones cuando se elimina BFD. Uno para BFD down y otro cuando BFD se elimina.
2. timeout - No hay respuesta BFD desde el extremo remoto.
3. remote-down - El extremo remoto envió un paquete BFD que indica que ha pasado al estado inactivo.4.
4. na - no aplicable. Esto se establece cuando se crea la sesión BFD por primera vez y cuando se activa la sesión BFD.
Escenarios
Escenario 1. flap-reason:bfd-delete
Realice un salto de puerto en el router VEDGE-1 y reproduzca este escenario:
HUB-1# request port-hop color biz-internet
VEDGE-1# show log tail -f /var/log/tmplog/vdebug
local7.debug: Mar 20 09:29:21 VEDGE-1 VDAEMON[1136]: vdaemon_disable_my_tloc[1308]: %VDAEMON_DBG_EVENTS-1: Disabling tloc ge0_1.
local7.debug: Mar 20 09:29:21 VEDGE-1 VDAEMON[1136]: vdaemon_send_tloc_info[8282]: %VDAEMON_DBG_MISC-1: Sending TLOC: ifname:ge0_1 color:biz-internet spi:1499 smarts:1 manages:1 state:DOWN LR encap: 0 LR hold time : 7000 Pairwise-Keys Disabled key-id 0
local7.info: Mar 20 09:29:21 VEDGE-1 VDAEMON[1136]: %Viptela-VEDGE-1-vdaemon-6-INFO-1400002: Notification: 3/20/2020 9:29:21 control-connection-state-change severity-level:major host-name:"VEDGE-1" system-ip:10.13.13.13 personality:vEdge peer-type:vsmart peer-system-ip:10.8.8.8 peer-vmanage-system-ip:0.0.0.0 public-ip:192.168.1.3 public-port:12946 src-color:biz-internet remote-color:default uptime:"0:00:35:57" new-state:down
local7.info: Mar 20 09:29:21 VEDGE-1 VDAEMON[1136]: %Viptela-VEDGE-1-vdaemon-6-INFO-1400002: Notification: 3/20/2020 9:29:21 control-connection-state-change severity-level:major host-name:"VEDGE-1" system-ip:10.13.13.13 personality:vEdge peer-type:vmanage peer-system-ip:10.7.7.7 peer-vmanage-system-ip:0.0.0.0 public-ip:192.168.1.1 public-port:12946 src-color:biz-internet remote-color:mpls uptime:"0:01:56:34" new-state:down
local7.info: Mar 20 09:29:21 VEDGE-1 FTMD[1126]: %Viptela-VEDGE-1-ftmd-6-INFO-1400002: Notification: 3/20/2020 9:29:21 bfd-state-change severity-level:major host-name:"VEDGE-1" system-ip:10.13.13.13 src-ip:192.168.2.4 dst-ip:192.168.1.6 proto:ipsec src-port:12406 dst-port:12347 local-system-ip:10.13.13.13 local-color:"biz-internet" remote-system-ip:10.14.14.14 remote-color:"mpls" new-state:down deleted:false flap-reason:bfd-deleted
Verifique BFD y controle el tiempo de actividad de la conexión en Internet biz:
VEDGE-1# show control connections | t
LOCAL LOCAL CFG V
PEER SITE DOMAIN PRIVATE PRIVATE PUBLIC PUBLIC SYSTEM PRIVATE PRIVATE CONTROLLER SYSTEM ORG BEHIND
INSTANCE TYPE ID ID IP PORT IP PORT IP PROTOCOL LOCAL COLOR REMOTE COLOR IP PORT STATE UPTIME GROUP ID IP NAME PROXY
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
0 vsmart 8 1 192.168.1.4 12366 192.168.1.3 12946 10.8.8.8 dtls mpls default 192.168.1.3 12946 up 0:00:03:47 0 - - No
0 vsmart 8 1 192.168.2.4 12426 192.168.1.3 12946 10.8.8.8 dtls biz-internet default 192.168.1.3 12946 up 0:00:01:52 0 - - No
0 vbond 0 0 192.168.1.4 12366 192.168.1.10 12346 0.0.0.0 dtls mpls mpls 192.168.1.10 12346 up 0:00:03:47 0 - - -
0 vbond 0 0 192.168.2.4 12426 192.168.1.10 12346 0.0.0.0 dtls biz-internet biz-internet 192.168.1.10 12346 up 0:00:00:31 0 - - -
0 vmanage 8 0 192.168.2.4 12426 192.168.1.1 12946 10.7.7.7 dtls biz-internet mpls 192.168.1.1 12946 up 0:00:01:52 0 - - No
VEDGE-1# sh bfd sess | t
SRC DST SITE DETECT TX
SRC IP DST IP PROTO PORT PORT SYSTEM IP ID LOCAL COLOR COLOR STATE MULTIPLIER INTERVAL UPTIME TRANSITIONS
---------------------------------------------------------------------------------------------------------------------------------------------
192.168.1.4 192.168.1.6 ipsec 12366 12347 10.14.14.14 14 mpls mpls up 7 1000 0:00:03:48 0
192.168.1.4 192.168.2.6 ipsec 12366 12387 10.14.14.14 14 mpls biz-internet up 7 1000 0:00:03:48 0
192.168.2.4 192.168.1.6 ipsec 12426 12347 10.14.14.14 14 biz-internet mpls up 7 1000 0:00:01:55 0
192.168.2.4 192.168.2.6 ipsec 12426 12387 10.14.14.14 14 biz-internet biz-internet up 7 1000 0:00:01:55 0
192.168.1.4 192.168.1.8 ipsec 12366 12406 10.15.15.15 15 mpls mpls up 7 1000 0:00:03:48 0
192.168.1.4 192.168.2.8 ipsec 12366 12366 10.15.15.15 15 mpls biz-internet up 7 1000 0:00:03:48 0
192.168.2.4 192.168.1.8 ipsec 12426 12406 10.15.15.15 15 biz-internet mpls up 7 1000 0:00:01:55 0
192.168.2.4 192.168.2.8 ipsec 12426 12366 10.15.15.15 15 biz-internet biz-internet up 7 1000 0:00:01:55 0
192.168.1.4 192.168.1.11 ipsec 12366 12346 10.16.16.16 16 mpls mpls up 7 1000 0:00:03:48 0
192.168.1.4 192.168.2.11 ipsec 12366 12426 10.16.16.16 16 mpls biz-internet up 7 1000 0:00:03:48 0
192.168.2.4 192.168.1.11 ipsec 12426 12346 10.16.16.16 16 biz-internet mpls up 7 1000 0:00:01:55 0
192.168.2.4 192.168.2.11 ipsec 12426 12426 10.16.16.16 16 biz-internet biz-internet up 7 1000 0:00:01:55 0
192.168.1.4 192.168.1.12 ipsec 12366 12426 10.17.17.17 17 mpls mpls up 7 1000 0:00:03:48 0
192.168.1.4 192.168.2.12 ipsec 12366 12406 10.17.17.17 17 mpls biz-internet up 7 1000 0:00:03:48 0
192.168.2.4 192.168.1.12 ipsec 12426 12426 10.17.17.17 17 biz-internet mpls up 7 1000 0:00:01:55 0
192.168.2.4 192.168.2.12 ipsec 12426 12406 10.17.17.17 17 biz-internet biz-internet up 7 1000 0:00:01:55 0
192.168.1.4 192.168.1.14 ipsec 12366 12426 10.18.18.18 18 mpls mpls up 7 1000 0:00:03:48 0
192.168.1.4 192.168.2.14 ipsec 12366 12426 10.18.18.18 18 mpls biz-internet up 7 1000 0:00:03:48 0
192.168.2.4 192.168.1.14 ipsec 12426 12426 10.18.18.18 18 biz-internet mpls up 7 1000 0:00:01:55 0
192.168.2.4 192.168.2.14 ipsec 12426 12426 10.18.18.18 18 biz-internet biz-internet up 7 1000 0:00:01:55 0
192.168.1.4 192.168.3.40 ipsec 12366 12366 10.19.19.19 19 mpls mpls up 7 1000 0:00:03:48 0
192.168.1.4 192.168.4.40 ipsec 12366 12366 10.19.19.19 19 mpls biz-internet up 7 1000 0:00:03:48 0
192.168.2.4 192.168.3.40 ipsec 12426 12366 10.19.19.19 19 biz-internet mpls up 7 1000 0:00:01:55 0
192.168.2.4 192.168.4.40 ipsec 12426 12366 10.19.19.19 19 biz-internet biz-internet up 7 1000 0:00:01:55 0
También puede borrar una conexión de control en VEDGE-1 para probar este escenario (que también inhabilita un TLOC):
local1.info: Mar 20 09:34:20 VEDGE-1 confd[897]: audit user: admin/60155 CLI 'clear control connections'
local7.info: Mar 20 09:34:20 VEDGE-1 VDAEMON[1136]: %Viptela-VEDGE-1-vdaemon-6-INFO-1400002: Notification: 3/20/2020 9:34:20 control-connection-state-change severity-level:major host-name:"VEDGE-1" system-ip:10.13.13.13 personality:vEdge peer-type:vsmart peer-system-ip:10.8.8.8 peer-vmanage-system-ip:0.0.0.0 public-ip:192.168.1.3 public-port:12946 src-color:biz-internet remote-color:default uptime:"0:00:00:51" new-state:down
local7.info: Mar 20 09:34:20 VEDGE-1 VDAEMON[1136]: %Viptela-VEDGE-1-vdaemon-6-INFO-1400002: Notification: 3/20/2020 9:34:20 control-connection-state-change severity-level:major host-name:"VEDGE-1" system-ip:10.13.13.13 personality:vEdge peer-type:vmanage peer-system-ip:10.7.7.7 peer-vmanage-system-ip:0.0.0.0 public-ip:192.168.1.1 public-port:12946 src-color:biz-internet remote-color:mpls uptime:"0:00:01:09" new-state:down
local7.info: Mar 20 09:34:20 VEDGE-1 FTMD[1126]: %Viptela-VEDGE-1-ftmd-6-INFO-1400002: Notification: 3/20/2020 9:34:20 bfd-state-change severity-level:major host-name:"VEDGE-1" system-ip:10.13.13.13 src-ip:192.168.2.4 dst-ip:192.168.1.6 proto:ipsec src-port:12426 dst-port:12347 local-system-ip:10.13.13.13 local-color:"biz-internet" remote-system-ip:10.14.14.14 remote-color:"mpls" new-state:down deleted:false flap-reason:bfd-deleted
Verifique el tiempo de actividad en mpls y colores biz-internet esta vez:
VEDGE-1# sh bfd sess | t
SRC DST SITE DETECT TX
SRC IP DST IP PROTO PORT PORT SYSTEM IP ID LOCAL COLOR COLOR STATE MULTIPLIER INTERVAL UPTIME TRANSITIONS
---------------------------------------------------------------------------------------------------------------------------------------------
192.168.1.4 192.168.1.6 ipsec 12366 12347 10.14.14.14 14 mpls mpls up 7 1000 0:00:01:37 2
192.168.1.4 192.168.2.6 ipsec 12366 12387 10.14.14.14 14 mpls biz-internet up 7 1000 0:00:01:37 2
192.168.2.4 192.168.1.6 ipsec 12426 12347 10.14.14.14 14 biz-internet mpls up 7 1000 0:00:01:55 2
192.168.2.4 192.168.2.6 ipsec 12426 12387 10.14.14.14 14 biz-internet biz-internet up 7 1000 0:00:01:55 2
192.168.1.4 192.168.1.8 ipsec 12366 12406 10.15.15.15 15 mpls mpls up 7 1000 0:00:01:37 2
192.168.1.4 192.168.2.8 ipsec 12366 12366 10.15.15.15 15 mpls biz-internet up 7 1000 0:00:01:37 2
192.168.2.4 192.168.1.8 ipsec 12426 12406 10.15.15.15 15 biz-internet mpls up 7 1000 0:00:01:55 2
192.168.2.4 192.168.2.8 ipsec 12426 12366 10.15.15.15 15 biz-internet biz-internet up 7 1000 0:00:01:55 2
192.168.1.4 192.168.1.11 ipsec 12366 12346 10.16.16.16 16 mpls mpls up 7 1000 0:00:01:37 2
192.168.1.4 192.168.2.11 ipsec 12366 12426 10.16.16.16 16 mpls biz-internet up 7 1000 0:00:01:37 2
192.168.2.4 192.168.1.11 ipsec 12426 12346 10.16.16.16 16 biz-internet mpls up 7 1000 0:00:01:55 2
192.168.2.4 192.168.2.11 ipsec 12426 12426 10.16.16.16 16 biz-internet biz-internet up 7 1000 0:00:01:55 2
192.168.1.4 192.168.1.12 ipsec 12366 12426 10.17.17.17 17 mpls mpls up 7 1000 0:00:01:37 2
192.168.1.4 192.168.2.12 ipsec 12366 12406 10.17.17.17 17 mpls biz-internet up 7 1000 0:00:01:37 2
192.168.2.4 192.168.1.12 ipsec 12426 12426 10.17.17.17 17 biz-internet mpls up 7 1000 0:00:01:55 2
192.168.2.4 192.168.2.12 ipsec 12426 12406 10.17.17.17 17 biz-internet biz-internet up 7 1000 0:00:01:55 2
192.168.1.4 192.168.1.14 ipsec 12366 12426 10.18.18.18 18 mpls mpls up 7 1000 0:00:01:37 2
192.168.1.4 192.168.2.14 ipsec 12366 12426 10.18.18.18 18 mpls biz-internet up 7 1000 0:00:01:37 2
192.168.2.4 192.168.1.14 ipsec 12426 12426 10.18.18.18 18 biz-internet mpls up 7 1000 0:00:01:55 2
192.168.2.4 192.168.2.14 ipsec 12426 12426 10.18.18.18 18 biz-internet biz-internet up 7 1000 0:00:01:55 2
192.168.1.4 192.168.3.40 ipsec 12366 12366 10.19.19.19 19 mpls mpls up 7 1000 0:00:01:37 2
192.168.1.4 192.168.4.40 ipsec 12366 12366 10.19.19.19 19 mpls biz-internet up 7 1000 0:00:01:37 2
192.168.2.4 192.168.3.40 ipsec 12426 12366 10.19.19.19 19 biz-internet mpls up 7 1000 0:00:01:55 2
192.168.2.4 192.168.4.40 ipsec 12426 12366 10.19.19.19 19 biz-internet biz-internet up 7 1000 0:00:01:54 3
VEDGE-1# show control connections | t
LOCAL LOCAL CFG V
PEER SITE DOMAIN PRIVATE PRIVATE PUBLIC PUBLIC SYSTEM PRIVATE PRIVATE CONTROLLER SYSTEM ORG BEHIND
INSTANCE TYPE ID ID IP PORT IP PORT IP PROTOCOL LOCAL COLOR REMOTE COLOR IP PORT STATE UPTIME GROUP ID IP NAME PROXY
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
0 vsmart 8 1 192.168.1.4 12366 192.168.1.3 12946 10.8.8.8 dtls mpls default 192.168.1.3 12946 up 0:00:01:41 0 - - No
0 vsmart 8 1 192.168.2.4 12426 192.168.1.3 12946 10.8.8.8 dtls biz-internet default 192.168.1.3 12946 up 0:00:01:59 0 - - No
0 vbond 0 0 192.168.1.4 12366 192.168.1.10 12346 0.0.0.0 dtls mpls mpls 192.168.1.10 12346 up 0:00:01:42 0 - - -
0 vbond 0 0 192.168.2.4 12426 192.168.1.10 12346 0.0.0.0 dtls biz-internet biz-internet 192.168.1.10 12346 up 0:00:00:01 0 - - -
0 vmanage 8 0 192.168.2.4 12426 192.168.1.1 12946 10.7.7.7 dtls biz-internet mpls 192.168.1.1 12946 up 0:00:01:59 0 - - No
Situación hipotética 2. flap-reason:timeout
Puede reproducir este escenario desactivando un TLOC (biz-internet en este caso) en VEDGE-1 cerrando una interfaz en la parte inferior.
Estado BFD en VEDGE-2 antes de inhabilitar un TLOC en el lado VEDGE-1:
VEDGE-2# show bfd sessions remote-color mpls system-ip 10.13.13.13 | t
SRC DST SITE DETECT TX
SRC IP DST IP PROTO PORT PORT SYSTEM IP ID LOCAL COLOR COLOR STATE MULTIPLIER INTERVAL UPTIME TRANSITIONS
-------------------------------------------------------------------------------------------------------------------------------------
192.168.1.8 192.168.1.4 ipsec 12406 12366 10.13.13.13 13 mpls mpls up 7 1000 0:00:03:15 2
192.168.2.8 192.168.1.4 ipsec 12366 12366 10.13.13.13 13 biz-internet mpls up 7 1000 0:00:03:15 2
Inicia sesión en VEDGE-2 después de reproducir el problema:
local7.info: Mar 20 10:00:04 VEDGE-2 FTMD[1119]: %Viptela-VEDGE-2-ftmd-6-INFO-1400002: Notification: 3/20/2020 10:0:4 bfd-state-change severity-level:major host-name:"VEDGE-2" system-ip:10.15.15.15 src-ip:192.168.1.8 dst-ip:192.168.2.14 proto:ipsec src-port:12406 dst-port:12426 local-system-ip:10.15.15.15 local-color:"mpls" remote-system-ip:10.18.18.18 remote-color:"biz-internet" new-state:down deleted:false flap-reason:timeout
local7.info: Mar 20 10:00:05 VEDGE-2 FTMD[1119]: %Viptela-VEDGE-2-ftmd-6-INFO-1400002: Notification: 3/20/2020 10:0:4 bfd-state-change severity-level:major host-name:"VEDGE-2" system-ip:10.15.15.15 src-ip:192.168.2.8 dst-ip:192.168.4.40 proto:ipsec src-port:12386 dst-port:12366 local-system-ip:10.15.15.15 local-color:"biz-internet" remote-system-ip:10.19.19.19 remote-color:"biz-internet" new-state:down deleted:false flap-reason:timeout
VEDGE-2# show bfd sessions remote-color mpls system-ip 10.13.13.13 | t
SRC DST SITE DETECT TX
SRC IP DST IP PROTO PORT PORT SYSTEM IP ID LOCAL COLOR COLOR STATE MULTIPLIER INTERVAL UPTIME TRANSITIONS
-------------------------------------------------------------------------------------------------------------------------------------
192.168.1.8 192.168.1.4 ipsec 12406 12366 10.13.13.13 13 mpls mpls up 7 1000 0:00:21:56 3
192.168.2.8 192.168.1.4 ipsec 12386 12366 10.13.13.13 13 biz-internet mpls down 7 1000 NA 1
Situación hipotética 3. motivo de inestabilidad:na
Puede reproducir este escenario realizando un no shut en la interfaz subyacente desde el escenario anterior.
local7.info: Mar 20 10:01:20 VEDGE-2 FTMD[1119]: %Viptela-VEDGE-2-ftmd-6-INFO-1400002: Notification: 3/20/2020 10:1:18 bfd-state-change severity-level:major host-name:"VEDGE-2" system-ip:10.15.15.15 src-ip:192.168.2.8 dst-ip:192.168.1.11 proto:ipsec src-port:12386 dst-port:12346 local-system-ip:10.15.15.15 local-color:"biz-internet" remote-system-ip:10.16.16.16 remote-color:"mpls" new-state:up deleted:false flap-reason:na
local7.info: Mar 20 10:01:20 VEDGE-2 FTMD[1119]: %Viptela-VEDGE-2-ftmd-6-INFO-1400002: Notification: 3/20/2020 10:1:18 bfd-state-change severity-level:major host-name:"VEDGE-2" system-ip:10.15.15.15 src-ip:192.168.1.8 dst-ip:192.168.2.11 proto:ipsec src-port:12406 dst-port:12426 local-system-ip:10.15.15.15 local-color:"mpls" remote-system-ip:10.16.16.16 remote-color:"biz-internet" new-state:up deleted:false flap-reason:na
VEDGE-2# show bfd sessions remote-color mpls system-ip 10.13.13.13 | t
SRC DST SITE DETECT TX
SRC IP DST IP PROTO PORT PORT SYSTEM IP ID LOCAL COLOR COLOR STATE MULTIPLIER INTERVAL UPTIME TRANSITIONS
-------------------------------------------------------------------------------------------------------------------------------------
192.168.1.8 192.168.1.4 ipsec 12406 12366 10.13.13.13 13 mpls mpls up 7 1000 0:00:22:32 3
192.168.2.8 192.168.1.4 ipsec 12386 12366 10.13.13.13 13 biz-internet mpls up 7 1000 0:00:00:04 1
Situación hipotética 4. flap-reason:remote-down
Puede reproducir este escenario con el comando no control-connections en VEDGE-1 en un color específico (mpls en este caso).
Registros en VEDGE-1:
vpn 0
interface ge0/0
ip address 192.168.1.4/24
tunnel-interface
encapsulation ipsec
color mpls
no control-connections
VEDGE-1# show control connections | t
LOCAL LOCAL CFG V
PEER SITE DOMAIN PRIVATE PRIVATE PUBLIC PUBLIC SYSTEM PRIVATE PRIVATE CONTROLLER SYSTEM ORG BEHIND
INSTANCE TYPE ID ID IP PORT IP PORT IP PROTOCOL LOCAL COLOR REMOTE COLOR IP PORT STATE UPTIME GROUP ID IP NAME PROXY
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
0 vsmart 8 1 192.168.2.4 12426 192.168.1.3 12946 10.8.8.8 dtls biz-internet default 192.168.1.3 12946 up 0:00:17:54 0 - - No
0 vbond 0 0 192.168.2.4 12426 192.168.1.10 12346 0.0.0.0 dtls biz-internet biz-internet 192.168.1.10 12346 up 0:00:02:37 0 - - -
0 vmanage 8 0 192.168.2.4 12426 192.168.1.1 12946 10.7.7.7 dtls biz-internet mpls 192.168.1.1 12946 up 0:00:22:44 0 - - No
Registros en VEDGE-2:
local7.info: Mar 20 11:36:40 VEDGE-2 FTMD[1119]: %Viptela-VEDGE-2-ftmd-6-INFO-1400002: Notification: 3/20/2020 11:36:40 bfd-state-change severity-level:major host-name:"VEDGE-2" system-ip:10.15.15.15 src-ip:192.168.1.8 dst-ip:192.168.1.4 proto:ipsec src-port:12406 dst-port:12406 local-system-ip:10.15.15.15 local-color:"mpls" remote-system-ip:10.13.13.13 remote-color:"mpls" new-state:down deleted:false flap-reason:remote-down
local7.info: Mar 20 11:36:40 VEDGE-2 FTMD[1119]: %Viptela-VEDGE-2-ftmd-6-INFO-1400002: Notification: 3/20/2020 11:36:40 bfd-state-change severity-level:major host-name:"VEDGE-2" system-ip:10.15.15.15 src-ip:192.168.2.8 dst-ip:192.168.1.4 proto:ipsec src-port:12386 dst-port:12406 local-system-ip:10.15.15.15 local-color:"biz-internet" remote-system-ip:10.13.13.13 remote-color:"mpls" new-state:down deleted:false flap-reason:remote-down
local7.info: Mar 20 11:36:41 VEDGE-2 FTMD[1119]: %Viptela-VEDGE-2-ftmd-6-INFO-1400002: Notification: 3/20/2020 11:36:41 bfd-state-change severity-level:major host-name:"VEDGE-2" system-ip:10.15.15.15 src-ip:192.168.1.8 dst-ip:192.168.1.4 proto:ipsec src-port:12406 dst-port:12406 local-system-ip:10.15.15.15 local-color:"mpls" remote-system-ip:10.13.13.13 remote-color:"mpls" new-state:up deleted:false flap-reason:na
local7.info: Mar 20 11:36:41 VEDGE-2 FTMD[1119]: %Viptela-VEDGE-2-ftmd-6-INFO-1400002: Notification: 3/20/2020 11:36:41 bfd-state-change severity-level:major host-name:"VEDGE-2" system-ip:10.15.15.15 src-ip:192.168.2.8 dst-ip:192.168.1.4 proto:ipsec src-port:12386 dst-port:12406 local-system-ip:10.15.15.15 local-color:"biz-internet" remote-system-ip:10.13.13.13 remote-color:"mpls" new-state:up deleted:false flap-reason:na
VEDGE-2# show bfd sessions remote-color mpls system-ip 10.13.13.13 | t
SRC DST SITE DETECT TX
SRC IP DST IP PROTO PORT PORT SYSTEM IP ID LOCAL COLOR COLOR STATE MULTIPLIER INTERVAL UPTIME TRANSITIONS
-------------------------------------------------------------------------------------------------------------------------------------
192.168.1.8 192.168.1.4 ipsec 12406 12406 10.13.13.13 13 mpls mpls up 7 1000 0:00:05:27 16
192.168.2.8 192.168.1.4 ipsec 12386 12406 10.13.13.13 13 biz-internet mpls up 7 1000 0:00:05:27 9
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