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Este documento descreve como configurar o PBR junto com os SLAs IP em um FTD que é gerenciado pelo (FMC).
Contribuição de Daniel Perez Verti Vazquez, engenheiro do Cisco TAC.
Prerequisites
A Cisco recomenda que você tenha conhecimento destes tópicos:
Cisco Adaptive Security Appliance (ASA)
Firepower
As informações neste documento são baseadas nestas versões de software e hardware:
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.
Este documento descreve como configurar Policy Based Routing (PBR)
juntamente com Internet Protocol Service Level Agreement (IP SLA)
em um Cisco Firepower Threat Defense (FTD)
que é gerenciado pelo Cisco Firepower Management Center (FMC).
O roteamento tradicional toma decisões de encaminhamento com base apenas nos endereços IP de destino. O PBR é uma alternativa aos protocolos de roteamento e roteamento estático.
Ele fornece um controle mais granular sobre o roteamento, pois permite o uso de parâmetros como endereços IP de origem ou portas de origem e destino como critérios de roteamento além do endereço IP de destino.
Possíveis cenários para PBR incluem aplicativos sensíveis à origem ou tráfego em links dedicados.
Junto com o PBR, os SLAs IP podem ser implementados para garantir a disponibilidade do próximo salto. Um SLA IP é um mecanismo que monitora a conectividade de ponta a ponta através da troca de pacotes regulares.
No momento da publicação, o PBR não é diretamente suportado através do CVP Graphical User Interface (GUI)
, a configuração do recurso requer o uso de políticas FlexConfig.
Por outro lado, só Internet Control Message Protocol (ICMP)
Os SLAs são suportados pelo FTD.
Neste exemplo, o PBR é usado para rotear pacotes sobre um primário Internet Service Provider (ISP)
circuito baseado no endereço IP de origem.
Enquanto isso, um SLA IP monitora a conectividade e força um recuo para o circuito de backup em caso de qualquer falha.
Neste exemplo, o Cisco FTD tem duas interfaces externas: VLAN230 e VLAN232. Cada um se conecta a um ISP diferente.
O tráfego da rede interna VLAN2813 é roteado através do ISP primário que usa PBR.
O mapa de rotas PBR toma decisões de encaminhamento com base apenas no endereço IP de origem (tudo o que é recebido da VLAN2813 deve ser roteado para 10.88.243.1 na VLAN230) e é aplicado na interface GigabitEthernet 0/1 de FTD.
Enquanto isso, o FTD usa SLAs IP para monitorar a conectividade com cada gateway do ISP. Em caso de qualquer falha na VLAN230, o FTD faz failovers para o circuito de backup na VLAN232.
Na primeira etapa da configuração de PBR, defina quais pacotes devem ser sujeitos à política de roteamento. O PBR usa mapas de rotas e lista de acesso para identificar o tráfego.
Para definir uma lista de acesso para os critérios de correspondência, navegue até Objects > Object Management
e selecione Extended
sob o comando Access List
categoria no sumário.
Clique em Add Extended Access List
. No New Extended Access List Object
, atribua um nome para o objeto e selecione a Add
para começar com a configuração da lista de acesso.
No Add Extended Access List Entry
selecione o objeto que representa a rede interna, neste caso, VLAN2813.
Clique em Add to Source
para defini-la como a origem da lista de acesso.
Clique em Add
para criar a entrada.
Clique em Save
. O objeto deve ser adicionado à lista de objetos.
Depois que a lista de acesso PBR estiver configurada, atribua-a a um mapa de rotas. O mapa de rotas avalia o tráfego em relação às cláusulas de correspondência definidas na lista de acesso.
Após uma correspondência, o mapa de rotas executa as ações definidas na política de roteamento.
Para definir um mapa de rotas, navegue até Objects > Object Management
e selecione Route Map
no índice.
Clique em Add Route Map
>. No New Route Map Object
atribua um nome para o objeto e clique em Add
para criar uma nova entrada do mapa de rotas.
No Add Route Map Entry
, defina um número de sequência para a posição da nova entrada.
Navegue até IPv4 > Match Clauses
e selecione Estendido no Available Access List
menu suspenso.
Selecione o objeto da lista de acesso criado na Etapa 1.
Clique em Add
para criar a entrada.
Observação: o FTD suporta até 65536 (de 0 a 65535) entradas diferentes. Quanto menor o número, maior a avaliação de prioridade.
Clique em Save
. Adicione o objeto à lista de objetos.
A próxima etapa envolve a definição de objetos de texto FlexConfig que representam Gateways padrão para cada circuito. Esses objetos de texto são usados posteriormente na configuração do objeto FlexConfig que associa o PBR aos SLAs.
Para definir um objeto de texto FlexConfig, navegue até Objects > Object Management
e selecione Text Object
sob o comando FlexConfig
categoria no sumário.
Clique em Add Text Object
. No Add Text Object
atribua um nome para o objeto que representa o Gateway principal e especifique o endereço IPv4 desse dispositivo.
Clique em Save
para adicionar o novo objeto.
Clique em Add Text Object
novamente para criar um segundo objeto, desta vez para o Gateway no circuito de backup.
Preencha o novo objeto com o nome e endereço IP apropriados e clique em Save
.
Os dois objetos devem ser adicionados à lista junto com os objetos padrão.
Para definir os objetos de SLA usados para monitorar a conectividade com cada Gateway, navegue até Objects > Object Management
e selecione SLA Monitor
no índice.
Selecione a opção Add SLA Monitor
objeto.
No New SLA Monitor
, defina um nome junto com um identificador para a operação do SLA, o endereço IP do dispositivo que deve ser monitorado (neste caso, o Gateway principal) e a interface ou zona pela qual o dispositivo pode ser alcançado.
Além disso, também é possível ajustar o tempo limite e o limite. Clique em Save
.
Observação: o FTD suporta até 2.000 operações de SLA. Os valores da ID do SLA variam de 1 a 2147483647.
Observação: se os valores de timeout e limite não forem especificados, o FTD usará temporizadores padrão: 5000 milissegundos em cada caso.
Selecione a opção Add SLA Monitor
novamente para criar um segundo objeto, desta vez para o Gateway no circuito de backup.
Preencha o novo objeto com as informações apropriadas, verifique se o ID do SLA é diferente daquele definido para o Gateway principal e salve as alterações.
Os dois objetos devem ser adicionados à lista.
Depois que os objetos SLA IP forem criados, defina uma rota para cada Gateway e associe-os aos SLAs.
Na verdade, essas rotas não fornecem conectividade de dentro para fora (todo o roteamento é executado por PBR); em vez disso, elas são necessárias para rastrear a conectividade com os Gateways por meio de SLAs.
Para configurar rotas estáticas, navegue até Devices > Device Management
, edite o FTD disponível e selecione Static Route
no índice da Routing
guia.
No Add Static Route Configuration
, no menu suspenso Interface, especifique o nome da interface pela qual o Gateway principal deve estar acessível.
Em seguida, selecione a rede de destino e o Gateway principal no Gateway
suspenso.
Especifique uma métrica para a rota e no Route Track
e selecione o objeto SLA para o gateway principal criado na Etapa 3.
Clique em OK para adicionar a nova rota.
Uma segunda rota estática deve ser configurada para o Gateway de backup.
Clique em Add Route
para definir uma nova rota estática.
Preencha a Add Static Route Configuration
com as informações do Gateway de backup e verifique se a métrica dessa rota é superior à configurada na primeira rota.
As duas rotas devem ser adicionadas à lista.
Habilite os SLAs no mapa de rota usado para o PBR e aplique esse mapa de rota em uma interface do FTD.
Até agora, o mapa de rotas foi associado apenas à lista de acesso que define os critérios de correspondência. No entanto, os últimos ajustes não são suportados pela GUI do FMC, portanto um objeto FlexConfig é necessário.
Para definir o objeto PBR FlexConfig, navegue até Objects > Object Management
e selecione FlexConfig Object
sob o comando FlexConfig
categoria no sumário.
Selecione a opção Add FlexConfig Object
botão. No Add FlexConfig Object
janela atribuir um nome e navegar até Insert > Insert Policy Object > Route Map
.
No Insert Route Map Variable
, atribua um nome para a variável e selecione o objeto PBR criado na Etapa 2.
Clique em Save
para adicionar o mapa de rotas como parte do objeto FlexConfig.
Além da variável de mapa de rotas, devemos adicionar os objetos de texto FlexConfig que representam cada Gateway (definido na Etapa 3). No Add FlexConfig Object
janela navegar até Insert > Insert Policy Object > Text Object
.
No Insert Text Object Variable
atribua um nome para a variável e selecione o objeto de texto que representa o Gateway primário definido na Etapa 3.
Clique em Save
para adicioná-lo ao objeto FlexConfig.
Repita essas últimas etapas para o Gateway de backup. No final do processo, as duas variáveis devem ser acrescentadas ao objeto FlexConfig.
A sintaxe para a configuração do PBR deve ser a mesma do Cisco ASA. O número de sequência para o mapa de rotas deve corresponder ao configurado na Etapa 2 (10 neste caso), bem como as IDs de SLA.
Para configurar o PBR para verificar a disponibilidade do próximo salto, o comando set ip next-hop verify-availability
deve ser usado.
O mapa de rotas deve ser aplicado à interface interna, neste caso, VLAN2813. Uso policy-route route-map
na configuração da interface.
Clique em Save
quando a configuração estiver concluída.
O objeto FlexConfig deve ser adicionado à lista.
Navegue até Devices > FlexConfig
e edite a política FlexConfig disponível.
Selecione o objeto PBR FlexConfig em Available FlexConfig
sumário, salve as alterações e implante as alterações no FTD.
Após o término da implantação, o FTD deve enviar solicitações de eco ICMP regulares aos dispositivos monitorados para garantir a acessibilidade. Enquanto isso, uma rota rastreada para o Gateway principal deve ser adicionada à tabela de roteamento.
firepower# show route-map
route-map PBR_RouteMap, permit, sequence 10
Match clauses:
ip address (access-lists): PBR_ACL
Set clauses:
ip next-hop verify-availability 10.88.243.1 1 track 2 [up]
ip next-hop verify-availability 10.31.124.1 2 track 1 [up]
firepower# show route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, V - VPN
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, + - replicated route
SI - Static InterVRF
Gateway of last resort is 10.88.243.1 to network 0.0.0.0
S* 0.0.0.0 0.0.0.0 [1/0] via 10.88.243.1, VLAN230
C 10.31.124.0 255.255.255.0 is directly connected, VLAN232
L 10.31.124.25 255.255.255.255 is directly connected, VLAN232
C 10.88.243.0 255.255.255.0 is directly connected, VLAN230
L 10.88.243.60 255.255.255.255 is directly connected, VLAN230
C 192.168.13.0 255.255.255.0 is directly connected, VLAN2813
L 192.168.13.1 255.255.255.255 is directly connected, VLAN2813
Como a conectividade ao Gateway principal está ativa, o tráfego da sub-rede interna (VLAN2813) deve ser encaminhado através do circuito primário do ISP.
firepower# packet-tracer input vlan2813 icmp 192.168.13.2 8 0 8.8.8.8 detailed
Phase: 1
Type: PBR-LOOKUP
Subtype: policy-route
Result: ALLOW
Config:
route-map PBR_RouteMap permit 10
match ip address PBR_ACL
set ip next-hop verify-availability 10.88.243.1 1 track 2
set ip next-hop verify-availability 10.31.124.1 2 track 1
Additional Information:
Matched route-map PBR_RouteMap, sequence 10, permit
Found next-hop 10.88.243.1 using egress ifc VLAN230
Phase: 2
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group CSM_FW_ACL_ global
access-list CSM_FW_ACL_ advanced trust ip ifc VLAN2813 object VLAN2813 any rule-id 268437505 event-log flow-end
access-list CSM_FW_ACL_ remark rule-id 268437505: PREFILTER POLICY: ftdvha-dperezve
access-list CSM_FW_ACL_ remark rule-id 268437505: RULE: Internet_Traffic
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461708f7a90, priority=12, domain=permit, trust
hits=172250, user_data=0x146183cf8380, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any, ifc=VLAN2813(vrfid:0)
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, ifc=any, vlan=0, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 3
Type: CONN-SETTINGS
Subtype:
Result: ALLOW
Config:
class-map class-default
match any
policy-map global_policy
class class-default
set connection advanced-options UM_STATIC_TCP_MAP
service-policy global_policy global
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170d472a0, priority=7, domain=conn-set, deny=false
hits=176701, user_data=0x146170d413f0, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 4
Type: NAT
Subtype:
Result: ALLOW
Config:
nat (VLAN2813,VLAN230) after-auto source dynamic VLAN2813 interface
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170013860, priority=6, domain=nat, deny=false
hits=168893, user_data=0x1461af306540, cs_id=0x0, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=VLAN230(vrfid:0)
Phase: 5
Type: NAT
Subtype: per-session
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461af9c3320, priority=0, domain=nat-per-session, deny=true
hits=188129, user_data=0x0, cs_id=0x0, reverse, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 6
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461aff02da0, priority=0, domain=inspect-ip-options, deny=true
hits=176710, user_data=0x0, cs_id=0x0, reverse, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 7
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group CSM_FW_ACL_ global
access-list CSM_FW_ACL_ advanced trust ip ifc VLAN2813 object VLAN2813 any rule-id 268437505 event-log flow-end
access-list CSM_FW_ACL_ remark rule-id 268437505: PREFILTER POLICY: ftdvha-dperezve
access-list CSM_FW_ACL_ remark rule-id 268437505: RULE: Internet_Traffic
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461708f7a90, priority=12, domain=permit, trust
hits=172250, user_data=0x146183cf8380, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any, ifc=VLAN2813(vrfid:0)
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, ifc=any, vlan=0, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 8
Type: CONN-SETTINGS
Subtype:
Result: ALLOW
Config:
class-map class-default
match any
policy-map global_policy
class class-default
set connection advanced-options UM_STATIC_TCP_MAP
service-policy global_policy global
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170d472a0, priority=7, domain=conn-set, deny=false
hits=176702, user_data=0x146170d413f0, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 9
Type: NAT
Subtype:
Result: ALLOW
Config:
nat (VLAN2813,VLAN230) after-auto source dynamic VLAN2813 interface
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170013860, priority=6, domain=nat, deny=false
hits=168893, user_data=0x1461af306540, cs_id=0x0, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=VLAN230(vrfid:0)
Phase: 10
Type: NAT
Subtype: per-session
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461af9c3320, priority=0, domain=nat-per-session, deny=true
hits=188129, user_data=0x0, cs_id=0x0, reverse, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 11
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461aff02da0, priority=0, domain=inspect-ip-options, deny=true
hits=176710, user_data=0x0, cs_id=0x0, reverse, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 12
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group CSM_FW_ACL_ global
access-list CSM_FW_ACL_ advanced trust ip ifc VLAN2813 object VLAN2813 any rule-id 268437505 event-log flow-end
access-list CSM_FW_ACL_ remark rule-id 268437505: PREFILTER POLICY: ftdvha-dperezve
access-list CSM_FW_ACL_ remark rule-id 268437505: RULE: Internet_Traffic
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461708f7a90, priority=12, domain=permit, trust
hits=172250, user_data=0x146183cf8380, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any, ifc=VLAN2813(vrfid:0)
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, ifc=any, vlan=0, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 13
Type: CONN-SETTINGS
Subtype:
Result: ALLOW
Config:
class-map class-default
match any
policy-map global_policy
class class-default
set connection advanced-options UM_STATIC_TCP_MAP
service-policy global_policy global
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170d472a0, priority=7, domain=conn-set, deny=false
hits=176702, user_data=0x146170d413f0, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 14
Type: NAT
Subtype:
Result: ALLOW
Config:
nat (VLAN2813,VLAN230) after-auto source dynamic VLAN2813 interface
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170013860, priority=6, domain=nat, deny=false
hits=168894, user_data=0x1461af306540, cs_id=0x0, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=VLAN230(vrfid:0)
Phase: 15
Type: NAT
Subtype: per-session
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461af9c3320, priority=0, domain=nat-per-session, deny=true
hits=188129, user_data=0x0, cs_id=0x0, reverse, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 16
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461aff02da0, priority=0, domain=inspect-ip-options, deny=true
hits=176710, user_data=0x0, cs_id=0x0, reverse, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 17
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group CSM_FW_ACL_ global
access-list CSM_FW_ACL_ advanced trust ip ifc VLAN2813 object VLAN2813 any rule-id 268437505 event-log flow-end
access-list CSM_FW_ACL_ remark rule-id 268437505: PREFILTER POLICY: ftdvha-dperezve
access-list CSM_FW_ACL_ remark rule-id 268437505: RULE: Internet_Traffic
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461708f7a90, priority=12, domain=permit, trust
hits=172250, user_data=0x146183cf8380, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any, ifc=VLAN2813(vrfid:0)
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, ifc=any, vlan=0, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 18
Type: CONN-SETTINGS
Subtype:
Result: ALLOW
Config:
class-map class-default
match any
policy-map global_policy
class class-default
set connection advanced-options UM_STATIC_TCP_MAP
service-policy global_policy global
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170d472a0, priority=7, domain=conn-set, deny=false
hits=176702, user_data=0x146170d413f0, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 19
Type: NAT
Subtype:
Result: ALLOW
Config:
nat (VLAN2813,VLAN230) after-auto source dynamic VLAN2813 interface
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170013860, priority=6, domain=nat, deny=false
hits=168894, user_data=0x1461af306540, cs_id=0x0, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=VLAN230(vrfid:0)
Phase: 20
Type: NAT
Subtype: per-session
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461af9c3320, priority=0, domain=nat-per-session, deny=true
hits=188130, user_data=0x0, cs_id=0x0, reverse, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 21
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461aff02da0, priority=0, domain=inspect-ip-options, deny=true
hits=176710, user_data=0x0, cs_id=0x0, reverse, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 22
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group CSM_FW_ACL_ global
access-list CSM_FW_ACL_ advanced trust ip ifc VLAN2813 object VLAN2813 any rule-id 268437505 event-log flow-end
access-list CSM_FW_ACL_ remark rule-id 268437505: PREFILTER POLICY: ftdvha-dperezve
access-list CSM_FW_ACL_ remark rule-id 268437505: RULE: Internet_Traffic
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461708f7a90, priority=12, domain=permit, trust
hits=172250, user_data=0x146183cf8380, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any, ifc=VLAN2813(vrfid:0)
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, ifc=any, vlan=0, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 23
Type: CONN-SETTINGS
Subtype:
Result: ALLOW
Config:
class-map class-default
match any
policy-map global_policy
class class-default
set connection advanced-options UM_STATIC_TCP_MAP
service-policy global_policy global
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170d472a0, priority=7, domain=conn-set, deny=false
hits=176702, user_data=0x146170d413f0, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 24
Type: NAT
Subtype:
Result: ALLOW
Config:
nat (VLAN2813,VLAN230) after-auto source dynamic VLAN2813 interface
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170013860, priority=6, domain=nat, deny=false
hits=168894, user_data=0x1461af306540, cs_id=0x0, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=VLAN230(vrfid:0)
Phase: 25
Type: NAT
Subtype: per-session
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461af9c3320, priority=0, domain=nat-per-session, deny=true
hits=188130, user_data=0x0, cs_id=0x0, reverse, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 26
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461aff02da0, priority=0, domain=inspect-ip-options, deny=true
hits=176711, user_data=0x0, cs_id=0x0, reverse, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=anyError: not enough buffer space to print ASP rule
Result:
input-interface: VLAN2813(vrfid:0)
input-status: up
input-line-status: up
output-interface: VLAN230(vrfid:0)
output-status: up
output-line-status: up
Action: allow
Se o FTD não receber uma resposta de eco do Gateway primário dentro do temporizador de limite especificado no objeto Monitor de SLA, o host será considerado inalcançável e marcado como inativo. A rota rastreada para o Gateway principal também é substituída pela rota rastreada para o peer de backup.
firepower# show route-map
route-map PBR_RouteMap, permit, sequence 10
Match clauses:
ip address (access-lists): PBR_ACL
Set clauses:
ip next-hop verify-availability 10.88.243.1 1 track 2 [down]
ip next-hop verify-availability 10.31.124.1 2 track 1 [up]
firepower# show route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, V - VPN
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, + - replicated route
SI - Static InterVRF
Gateway of last resort is 10.31.124.1 to network 0.0.0.0
S* 0.0.0.0 0.0.0.0 [2/0] via 10.31.124.1, VLAN232
C 10.31.124.0 255.255.255.0 is directly connected, VLAN232
L 10.31.124.25 255.255.255.255 is directly connected, VLAN232
C 192.168.13.0 255.255.255.0 is directly connected, VLAN2813
L 192.168.13.1 255.255.255.255 is directly connected, VLAN2813
O 622001 de mensagens informativas é gerado sempre que o FTD adiciona ou remove uma rota rastreada da tabela de roteamento.
firepower# show logg | i 622001
%FTD-6-622001: Removing tracked route 0.0.0.0 0.0.0.0 10.31.124.1, distance 2, table default, on interface VLAN232%FTD-6-305012: Teardown dynamic UDP translation from VLAN2813:192.168.13.5/49641 to VLAN230:10.88.243.60/49641 duration 0:02:10
Agora, todo o tráfego de VLAN2813 deve ser encaminhado através do circuito ISP de backup.
firepower# packet-tracer input vlan2813 icmp 192.168.13.2 8 0 8.8.8.8 detailed
Phase: 1
Type: PBR-LOOKUP
Subtype: policy-route
Result: ALLOW
Config:
route-map PBR_RouteMap permit 10
match ip address PBR_ACL
set ip next-hop verify-availability 10.88.243.1 1 track 2
set ip next-hop verify-availability 10.31.124.1 2 track 1
Additional Information:
Matched route-map PBR_RouteMap, sequence 10, permit
Found next-hop 10.31.124.1 using egress ifc VLAN232
Phase: 2
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group CSM_FW_ACL_ global
access-list CSM_FW_ACL_ advanced trust ip ifc VLAN2813 object VLAN2813 any rule-id 268437505 event-log flow-end
access-list CSM_FW_ACL_ remark rule-id 268437505: PREFILTER POLICY: ftdvha-dperezve
access-list CSM_FW_ACL_ remark rule-id 268437505: RULE: Internet_Traffic
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461708f7a90, priority=12, domain=permit, trust
hits=172729, user_data=0x146183cf8380, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any, ifc=VLAN2813(vrfid:0)
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, ifc=any, vlan=0, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 3
Type: CONN-SETTINGS
Subtype:
Result: ALLOW
Config:
class-map class-default
match any
policy-map global_policy
class class-default
set connection advanced-options UM_STATIC_TCP_MAP
service-policy global_policy global
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170d472a0, priority=7, domain=conn-set, deny=false
hits=177180, user_data=0x146170d413f0, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 4
Type: NAT
Subtype:
Result: ALLOW
Config:
nat (VLAN2813,VLAN232) after-auto source dynamic VLAN2813 interface
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170032540, priority=6, domain=nat, deny=false
hits=8251, user_data=0x1461af306740, cs_id=0x0, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=VLAN232(vrfid:0)
Phase: 5
Type: NAT
Subtype: per-session
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461af9c3320, priority=0, domain=nat-per-session, deny=true
hits=188612, user_data=0x0, cs_id=0x0, reverse, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 6
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461aff02da0, priority=0, domain=inspect-ip-options, deny=true
hits=177189, user_data=0x0, cs_id=0x0, reverse, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 7
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group CSM_FW_ACL_ global
access-list CSM_FW_ACL_ advanced trust ip ifc VLAN2813 object VLAN2813 any rule-id 268437505 event-log flow-end
access-list CSM_FW_ACL_ remark rule-id 268437505: PREFILTER POLICY: ftdvha-dperezve
access-list CSM_FW_ACL_ remark rule-id 268437505: RULE: Internet_Traffic
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461708f7a90, priority=12, domain=permit, trust
hits=172729, user_data=0x146183cf8380, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any, ifc=VLAN2813(vrfid:0)
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, ifc=any, vlan=0, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 8
Type: CONN-SETTINGS
Subtype:
Result: ALLOW
Config:
class-map class-default
match any
policy-map global_policy
class class-default
set connection advanced-options UM_STATIC_TCP_MAP
service-policy global_policy global
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170d472a0, priority=7, domain=conn-set, deny=false
hits=177181, user_data=0x146170d413f0, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 9
Type: NAT
Subtype:
Result: ALLOW
Config:
nat (VLAN2813,VLAN232) after-auto source dynamic VLAN2813 interface
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170032540, priority=6, domain=nat, deny=false
hits=8251, user_data=0x1461af306740, cs_id=0x0, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=VLAN232(vrfid:0)
Phase: 10
Type: NAT
Subtype: per-session
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461af9c3320, priority=0, domain=nat-per-session, deny=true
hits=188612, user_data=0x0, cs_id=0x0, reverse, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 11
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461aff02da0, priority=0, domain=inspect-ip-options, deny=true
hits=177189, user_data=0x0, cs_id=0x0, reverse, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 12
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group CSM_FW_ACL_ global
access-list CSM_FW_ACL_ advanced trust ip ifc VLAN2813 object VLAN2813 any rule-id 268437505 event-log flow-end
access-list CSM_FW_ACL_ remark rule-id 268437505: PREFILTER POLICY: ftdvha-dperezve
access-list CSM_FW_ACL_ remark rule-id 268437505: RULE: Internet_Traffic
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461708f7a90, priority=12, domain=permit, trust
hits=172729, user_data=0x146183cf8380, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any, ifc=VLAN2813(vrfid:0)
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, ifc=any, vlan=0, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 13
Type: CONN-SETTINGS
Subtype:
Result: ALLOW
Config:
class-map class-default
match any
policy-map global_policy
class class-default
set connection advanced-options UM_STATIC_TCP_MAP
service-policy global_policy global
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170d472a0, priority=7, domain=conn-set, deny=false
hits=177181, user_data=0x146170d413f0, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 14
Type: NAT
Subtype:
Result: ALLOW
Config:
nat (VLAN2813,VLAN232) after-auto source dynamic VLAN2813 interface
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170032540, priority=6, domain=nat, deny=false
hits=8252, user_data=0x1461af306740, cs_id=0x0, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=VLAN232(vrfid:0)
Phase: 15
Type: NAT
Subtype: per-session
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461af9c3320, priority=0, domain=nat-per-session, deny=true
hits=188612, user_data=0x0, cs_id=0x0, reverse, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 16
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461aff02da0, priority=0, domain=inspect-ip-options, deny=true
hits=177189, user_data=0x0, cs_id=0x0, reverse, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 17
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group CSM_FW_ACL_ global
access-list CSM_FW_ACL_ advanced trust ip ifc VLAN2813 object VLAN2813 any rule-id 268437505 event-log flow-end
access-list CSM_FW_ACL_ remark rule-id 268437505: PREFILTER POLICY: ftdvha-dperezve
access-list CSM_FW_ACL_ remark rule-id 268437505: RULE: Internet_Traffic
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461708f7a90, priority=12, domain=permit, trust
hits=172729, user_data=0x146183cf8380, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any, ifc=VLAN2813(vrfid:0)
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, ifc=any, vlan=0, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 18
Type: CONN-SETTINGS
Subtype:
Result: ALLOW
Config:
class-map class-default
match any
policy-map global_policy
class class-default
set connection advanced-options UM_STATIC_TCP_MAP
service-policy global_policy global
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170d472a0, priority=7, domain=conn-set, deny=false
hits=177181, user_data=0x146170d413f0, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 19
Type: NAT
Subtype:
Result: ALLOW
Config:
nat (VLAN2813,VLAN232) after-auto source dynamic VLAN2813 interface
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170032540, priority=6, domain=nat, deny=false
hits=8252, user_data=0x1461af306740, cs_id=0x0, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=VLAN232(vrfid:0)
Phase: 20
Type: NAT
Subtype: per-session
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461af9c3320, priority=0, domain=nat-per-session, deny=true
hits=188613, user_data=0x0, cs_id=0x0, reverse, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 21
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461aff02da0, priority=0, domain=inspect-ip-options, deny=true
hits=177189, user_data=0x0, cs_id=0x0, reverse, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 22
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group CSM_FW_ACL_ global
access-list CSM_FW_ACL_ advanced trust ip ifc VLAN2813 object VLAN2813 any rule-id 268437505 event-log flow-end
access-list CSM_FW_ACL_ remark rule-id 268437505: PREFILTER POLICY: ftdvha-dperezve
access-list CSM_FW_ACL_ remark rule-id 268437505: RULE: Internet_Traffic
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461708f7a90, priority=12, domain=permit, trust
hits=172729, user_data=0x146183cf8380, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any, ifc=VLAN2813(vrfid:0)
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, ifc=any, vlan=0, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 23
Type: CONN-SETTINGS
Subtype:
Result: ALLOW
Config:
class-map class-default
match any
policy-map global_policy
class class-default
set connection advanced-options UM_STATIC_TCP_MAP
service-policy global_policy global
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170d472a0, priority=7, domain=conn-set, deny=false
hits=177181, user_data=0x146170d413f0, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Phase: 24
Type: NAT
Subtype:
Result: ALLOW
Config:
nat (VLAN2813,VLAN232) after-auto source dynamic VLAN2813 interface
Additional Information:
Forward Flow based lookup yields rule:
in id=0x146170032540, priority=6, domain=nat, deny=false
hits=8252, user_data=0x1461af306740, cs_id=0x0, flags=0x0, protocol=0
src ip/id=192.168.13.0, mask=255.255.255.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=VLAN232(vrfid:0)
Phase: 25
Type: NAT
Subtype: per-session
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461af9c3320, priority=0, domain=nat-per-session, deny=true
hits=188613, user_data=0x0, cs_id=0x0, reverse, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=any, output_ifc=any
Phase: 26
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x1461aff02da0, priority=0, domain=inspect-ip-options, deny=true
hits=177190, user_data=0x0, cs_id=0x0, reverse, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=any, dscp=0x0, nsg_id=none
input_ifc=VLAN2813(vrfid:0), output_ifc=any
Result:
input-interface: VLAN2813(vrfid:0)
input-status: up
input-line-status: up
output-interface: VLAN232(vrfid:0)
output-status: up
output-line-status: up
Action: allow
Para validar qual entrada de PBR é aplicada em interesting traffic
execute o comando debug policy-route.
firepower# debug policy-route
debug policy-route enabled at level 1
firepower# pbr: policy based route lookup called for 192.168.13.5/45951 to 208.67.220.220/53 proto 17 sub_proto 0 received on interface VLAN2813, NSGs, nsg_id=none
pbr: First matching rule from ACL(2)
pbr: route map PBR_RouteMap, sequence 10, permit; proceed with policy routing
pbr: evaluating verified next-hop 10.88.243.1
pbr: policy based routing applied; egress_ifc = VLAN230 : next_hop = 10.88.243.1
pbr: policy based route lookup called for 192.168.13.5/56099 to 208.67.220.220/53 proto 17 sub_proto 0 received on interface VLAN2813, NSGs, nsg_id=none
pbr: First matching rule from ACL(2)
pbr: route map PBR_RouteMap, sequence 10, permit; proceed with policy routing
pbr: evaluating verified next-hop 10.88.243.1
pbr: policy based routing applied; egress_ifc = VLAN230 : next_hop = 10.88.243.1
pbr: policy based route lookup called for 192.168.13.2/24 to 8.8.8.8/0 proto 1 sub_proto 8 received on interface VLAN2813, NSGs, nsg_id=none
pbr: First matching rule from ACL(2)
pbr: route map PBR_RouteMap, sequence 10, permit; proceed with policy routing
pbr: evaluating verified next-hop 10.88.243.1
pbr: policy based routing applied; egress_ifc = VLAN230 : next_hop = 10.88.243.1
pbr: policy based route lookup called for 192.168.13.5/40669 to 208.67.220.220/53 proto 17 sub_proto 0 received on interface VLAN2813, NSGs, nsg_id=none
Revisão | Data de publicação | Comentários |
---|---|---|
1.0 |
29-Nov-2021 |
Versão inicial |