Contents

Introduction

Prerequisites

Requirements

Componentes Utilizados

Visão geral da topologia

Estados BFD

Cenários

Cenário 1. flap-reason:bfd-deleted

Cenário 2. flap-reason:timeout

Cenário 3. razão da aba:na

Cenário 4. razão da oscilação:remote-down

Informações Relacionadas

Introduction

Este documento descreve os vários motivos da oscilação Bidirectional Forwarding Detection (BFD) em um roteador Cisco vEdge.

Prerequisites

Requirements

A Cisco recomenda que você tenha conhecimento da solução Cisco SDWAN.

Componentes Utilizados

Este documento é baseado no roteador Cisco Cloud vEdge que executa 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. Se a rede estiver ativa, certifique-se de que você entenda o impacto potencial de qualquer comando.

Visão geral da topologia

Este documento não está restrito a nenhuma topologia específica.

Endereços IP e cores de alguns componentes importantes neste documento:

Componente

IP do sistema

IP/cor da VPN 0

IP/cor da VPN 0

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 / biz-internet

192.168.2.8 / biz-internet

vSmart

10.8.8.8

192.168.1.3 / padrão

NA

vManage

10.7.7.7

192.168.1.1 / padrão

NA

Estados BFD

Os valores possíveis de 'razão da oscilação' em um roteador Cisco vEdge são:

1. bfd-deleted - O BFD é desativado porque o plano de controle o excluiu.

Você gera duas notificações quando o BFD é excluído. Um para BFD inativo e um quando o BFD é excluído.

2. timeout - Nenhuma resposta BFD da extremidade remota.

3. remote-down - a extremidade remota enviou um pacote BFD que indica que ele foi para o estado inativo.4.

4. n - não aplicável. Isso é definido quando a sessão BFD é criada pela primeira vez e quando a sessão BFD é ativada.

Cenários

Cenário 1. flap-reason:bfd-deleted

Execute um salto de porta no roteador VEDGE-1 e reproduza este cenário:

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 o BFD e o tempo de atividade da conexão de controle na Internet de empresa:

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

Você também pode limpar uma conexão de controle no VEDGE-1 para testar este cenário (que também desabilita um 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, desta vez, o tempo de atividade em mpls e cores da Internet de negócios:

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

Cenário 2. flap-reason:timeout

Você pode reproduzir esse cenário desabilitando uma TLOC (biz-internet, neste caso) no VEDGE-1, desligando uma interface na base.

Estado BFD em VEDGE-2 antes de desativar um TLOC no 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

Faça login no VEDGE-2 após reproduzir o 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

Cenário 3. razão da aba:na

Você pode reproduzir esse cenário fazendo uma interface de subcamada sem fechamento do cenário 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

Cenário 4. razão da oscilação:remote-down

Você pode reproduzir esse cenário com o comando no control-connections em VEDGE-1 em uma cor específica (neste caso, mpls).

Logs no 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

Logs no 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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