{"id":7648,"date":"2022-06-14T12:27:02","date_gmt":"2022-06-14T09:27:02","guid":{"rendered":"https:\/\/vasexperts.com\/?p=7648"},"modified":"2025-08-11T14:13:52","modified_gmt":"2025-08-11T11:13:52","slug":"bng-call-flows","status":"publish","type":"post","link":"https:\/\/vasexperts.com\/br\/blog\/bng\/bng-call-flows\/","title":{"rendered":"BNG Call Flows \u2014 IPoE DHCP, Static IP, PPPoE"},"content":{"rendered":"Quando uma conex\u00e3o \u00e9 estabelecida entre o BNG e o equipamento nas instala\u00e7\u00f5es do cliente (CPE), o assinante pode acessar os servi\u00e7os de banda larga fornecidos pelo provedor de servi\u00e7os de rede (NSP) ou pelo provedor de servi\u00e7os de Internet (ISP).\r\n\r\nA outra fun\u00e7\u00e3o do BRAS \u00e9 estabelecer e gerenciar as sess\u00f5es dos assinantes. Quando uma sess\u00e3o est\u00e1 ativa, o <a href=\"\/products\/bras-bng\/\">BNG<\/a> agrega o tr\u00e1fego de v\u00e1rias sess\u00f5es de assinantes de uma rede de acesso e o encaminha para a rede do provedor de servi\u00e7os. O BRAS \u00e9 implantado pelo provedor de servi\u00e7os e est\u00e1 presente no primeiro ponto de agrega\u00e7\u00e3o da rede, como o roteador de borda. Com a solu\u00e7\u00e3o BRAS, um ISP pode gerenciar com efici\u00eancia o acesso dos assinantes.\r\n\r\n    <strong>   Fun\u00e7\u00f5es de gerenciamento de assinantes do BRAS:    <\/strong>  \r\n<ul>\r\n \t<li>Autentica\u00e7\u00e3o, autoriza\u00e7\u00e3o e contabilidade das sess\u00f5es dos assinantes<\/li>\r\n \t<li>Atribui\u00e7\u00e3o de endere\u00e7o<\/li>\r\n \t<li>Seguran\u00e7a<\/li>\r\n \t<li>Gerenciamento de pol\u00edticas com qualidade de servi\u00e7o (QoS)<\/li>\r\n \t<li>Servi\u00e7os adicionais<\/li>\r\n<\/ul>\r\n    [important]   BRAS (Broadband Remote Access Server) era o termo que a comunidade de telecomunica\u00e7\u00f5es usava antes. Agora, o BNG (Broadband Network Gateway) \u00e9 mais comumente usado, mas n\u00e3o h\u00e1 diferen\u00e7a funcional entre os dois.    [\/important]  \r\n<h2>Arquitetura BRAS\/BNG<\/h2>\r\n\u00a0\r\n\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/bng-call-flows-1024x869.png\" alt=\"Esquema de arquitetura BNG\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7658\" srcset=\"\/wp-content\/uploads\/2022\/06\/bng-call-flows-1024x869.png 1024w, \/wp-content\/uploads\/2022\/06\/bng-call-flows-300x255.png 300w, \/wp-content\/uploads\/2022\/06\/bng-call-flows-768x652.png 768w, \/wp-content\/uploads\/2022\/06\/bng-call-flows-1536x1304.png 1536w, \/wp-content\/uploads\/2022\/06\/bng-call-flows-2048x1739.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/bng-call-flows-1024x869.png\" alt=\"Esquema de arquitetura BNG\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7658 lazyload\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-src=\"\/wp-content\/uploads\/2022\/06\/bng-call-flows-1024x869.png\" data-srcset=\"\/wp-content\/uploads\/2022\/06\/bng-call-flows-1024x869.png 1024w, \/wp-content\/uploads\/2022\/06\/bng-call-flows-300x255.png 300w, \/wp-content\/uploads\/2022\/06\/bng-call-flows-768x652.png 768w, \/wp-content\/uploads\/2022\/06\/bng-call-flows-1536x1304.png 1536w, \/wp-content\/uploads\/2022\/06\/bng-call-flows-2048x1739.png 2048w\">\r\n\r\nA arquitetura de rede com a solu\u00e7\u00e3o BRAS da VAS Experts inclui os seguintes componentes:\r\n\r\n    <strong>   SSG (fastDPI)    <\/strong>   fornece an\u00e1lise e processamento do tr\u00e1fego que passa pela plataforma, aplicando policiamento e gerenciamento de tr\u00e1fego. Por meio de uma combina\u00e7\u00e3o de tecnologia DPI, software BRAS\/BNG e CG-NAT, ele resolve desafios de ISPs como:\r\n<ul>\r\n \t<li>Reconhecimento de tr\u00e1fego por protocolos com tecnologia DPI<\/li>\r\n \t<li>Aplica\u00e7\u00e3o de policiamento de tr\u00e1fego a todos os assinantes ou individualmente a alguns<\/li>\r\n \t<li>Aplica\u00e7\u00e3o de servi\u00e7os da plataforma (CG-NAT, Listas de Permiss\u00e3o, Filtragem por Listas de Bloqueio, etc.)<\/li>\r\n \t<li>Exporta\u00e7\u00e3o de relat\u00f3rios em v\u00e1rios formatos (NetFlow, IPFIX-clickstream, IPFIX-nat, IPFIX-flow, etc.)<\/li>\r\n \t<li>BRAS\/BNG \u2013 Fun\u00e7\u00f5es NAS (termina\u00e7\u00e3o para assinantes IPoE, PPPoE, DHCP L2).<\/li>\r\n<\/ul>\r\n    <strong>   Servidor DHCP    <\/strong>   \u2013 um componente respons\u00e1vel pela emiss\u00e3o de endere\u00e7os privados para assinantes. Qualquer implementa\u00e7\u00e3o compat\u00edvel com o CentOS pode ser usada. A implementa\u00e7\u00e3o atual usa o servidor Kea DHCP.\r\n\r\n    <strong>   Roteador de software    <\/strong>   \u2013 um componente que anuncia e recebe rotas via OSPF, protocolos de roteamento din\u00e2mico BGP. \u00c9 poss\u00edvel usar qualquer soft-router: BIRD, FRRouting, QUAGGA, Juniper CRPD etc.\r\n\r\n    <strong>   PCRF    <\/strong>   fornece a intera\u00e7\u00e3o da plataforma com o OSS da operadora por meio do protocolo RADIUS (AAA \u2013 Autentica\u00e7\u00e3o, Autoriza\u00e7\u00e3o, Contabilidade).\r\n<ul>\r\n \t<li>Os componentes fastDPI e PCRF se comunicam entre si internamente por meio de uma pilha TCP\/IP.<\/li>\r\n \t<li>O PCRF pode ser hospedado em um servidor f\u00edsico ou virtual separado ou executado no mesmo servidor junto com um SSG.<\/li>\r\n \t<li>Um \u00fanico servidor PCRF pode atender a um cluster de v\u00e1rios SSGs.<\/li>\r\n<\/ul>\r\n [product id=\u201d 19\u2033 type=\u201ddark\u201d]\r\n<h2>Tipos de sess\u00e3o dos assinantes<\/h2>\r\n<ol>\r\n \t<li>    <strong>   Sess\u00e3o de assinante DHCP IPoE:    <\/strong>   A sess\u00e3o de assinante IP over Ethernet (IPoE) \u00e9 estabelecida usando o protocolo IP que \u00e9 usado entre o CPE e o BNG; o endere\u00e7amento IP \u00e9 feito pelo protocolo DHCP.<\/li>\r\n \t<li>    <strong>   Sess\u00e3o de assinante IPoE Static IP:    <\/strong>   A sess\u00e3o de assinante IP over Ethernet (IPoE) \u00e9 estabelecida usando o protocolo IP que \u00e9 usado entre o CPE e o BNG; o endere\u00e7amento IP \u00e9 conf. est\u00e1tico.<\/li>\r\n \t<li>    <strong>   Sess\u00e3o de assinante PPPoE:     <\/strong>   A sess\u00e3o de assinante PPP over Ethernet (PPPoE) \u00e9 estabelecida usando o protocolo ponto a ponto (PPP) que \u00e9 usado entre o CPE e o BNG.<\/li>\r\n<\/ol>\r\n<h2>Atributos espec\u00edficos do fornecedor<\/h2>\r\n<span class=\"h3-style\">Usu\u00e1rios regulares<\/span>\r\n<div class=\"table table--bold\">\r\n<div class=\"table__body\">\r\n<div class=\"table__row\">\r\n<div class=\"table__cell\">Tipos de sess\u00e3o de assinantes    <\/div>  \r\n<div class=\"table__cell\">IPoE DHCP    <\/div>  \r\n<div class=\"table__cell\">PPPoE    <\/div>  \r\n<div class=\"table__cell\">IPoE Static IP    <\/div>  \r\n    <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell\">Nome do pool IPv4    <strong>   Framed-Pool    <\/strong>      <\/div>  \r\n<div class=\"table__cell\">nome: \u201cipoe-pool\u201d, pool: \u201c10.11.0.0\/16\u201d, ip_1st: \u201c10.11.0.10\u201d, ip_last: \u201c10.11.255.250\u201d, dns: \u201c8.8.8.8\u201d    <\/div>  \r\n<div class=\"table__cell\">nome: \u201cpppoe-pool\u201d, pool: \u201c10.10.0.0\/16\u201d, ip_1st: \u201c10.10.0.10\u201d, ip_last: \u201c10.10.255.250\u201d, dns: \u201c8.8.8.8\u201d    <\/div>  \r\n<div class=\"table__cell\">N\u00e3o, using    <strong>   Framed-IP-Address    <\/strong>      <\/div>  \r\n    <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell\">Nome do pool IPv6    <strong>   Framed-IPv6-Pool    <\/strong>      <\/div>  \r\n<div class=\"table__cell\">ipoe-v6-pool    <\/div>  \r\n<div class=\"table__cell\">pppoe-v6-pool    <\/div>  \r\n<div class=\"table__cell\">N\u00e3o, using    <strong>   Framed-IP-Address    <\/strong>      <\/div>  \r\n    <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell\">CGNAT    <strong>   VasExperts-Service-Profile    <\/strong>      <\/div>  \r\n<div class=\"table__cell\">11:cg_nat    <\/div>  \r\n<div class=\"table__cell\">11:cg_nat    <\/div>  \r\n<div class=\"table__cell\">11:cg_nat. Somente para IPv4 privado    <\/div>  \r\n    <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell\">Policing    <strong>   VasExperts-Policing-Profile    <\/strong>      <\/div>  \r\n<div class=\"table__cell\">50Mbps    <\/div>  \r\n<div class=\"table__cell\">50Mbps    <\/div>  \r\n<div class=\"table__cell\">50Mbps    <\/div>  \r\n    <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell\">Enabling Accounting    <strong>   VasExperts-Enable-Service    <\/strong>      <\/div>  \r\n<div class=\"table__cell\">9:on    <\/div>  \r\n<div class=\"table__cell\">9:on    <\/div>  \r\n<div class=\"table__cell\">9:on    <\/div>  \r\n    <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell\">Additional VSA    <\/div>  \r\n<div class=\"table__cell\">Ativando a op\u00e7\u00e3o de v\u00e1rios usu\u00e1rios (um login \u2013 muitos IPs)    <strong>   VasExperts-Multi-IP-User = 1    <\/strong>      <\/div>  \r\n<div class=\"table__cell\">Ativando a op\u00e7\u00e3o de v\u00e1rios usu\u00e1rios (um login \u2013 muitos IPs)    <strong>   VasExperts-Multi-IP-User = 1    <\/strong>      <\/div>  \r\n<div class=\"table__cell\">Ativando o modo L2 para autentica\u00e7\u00e3o de IP    <strong>   VasExperts-L2-User = 1    <\/strong>      <\/div>  \r\n    <\/div>  \r\n    <\/div>  \r\n    <\/div>  \r\n<span class=\"h3-style\">Par\u00e2metros para usu\u00e1rios bloqueados (inativos) enviados por CoA<\/span>\r\n<div class=\"table table--bold\">\r\n<div class=\"table__body\">\r\n<div class=\"table__row\">\r\n<div class=\"table__cell\">Tipos de sess\u00e3o dos assinantes    <\/div>  \r\n<div class=\"table__cell\">IPoE DHCP    <\/div>  \r\n<div class=\"table__cell\">PPPoE    <\/div>  \r\n<div class=\"table__cell\">IPoE Static IP    <\/div>  \r\n    <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell\">Policiamento de usu\u00e1rios bloqueados    <strong>   VasExperts-Policing-Profile    <\/strong>      <\/div>  \r\n<div class=\"table__cell\">blocked    <\/div>  \r\n<div class=\"table__cell\">blocked    <\/div>  \r\n<div class=\"table__cell\">blocked    <\/div>  \r\n    <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell\">Portal cativo e servi\u00e7o de redirecionamento HTTP    <strong>   VasExperts-Service-Profile    <\/strong>      <\/div>  \r\n<div class=\"table__cell\">5:blocked    <\/div>  \r\n<div class=\"table__cell\">5:blocked    <\/div>  \r\n<div class=\"table__cell\">5:blocked    <\/div>  \r\n    <\/div>  \r\n    <\/div>  \r\n    <\/div>  \r\n\u00a0\r\n<h2>IPoE DHCP Dual Stack IPv4\/IPv6<\/h2>\r\n<span class=\"h3-style\">Estabelecimento da sess\u00e3o IPv4<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-ipv4.png\" alt=\"establishing session ipv4\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-ipv4.png\" alt=\"establishing session ipv4\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-ipv4.png\">\r\n<span class=\"h3-style\">Entendendo a renova\u00e7\u00e3o do DHCP e o tempo de concess\u00e3o<\/span>\r\nCom um tempo de concess\u00e3o de uma hora, o cliente tentar\u00e1 renovar a concess\u00e3o ap\u00f3s 30 minutos. Aos 35 minutos, ele entra em contato com o servidor DHCP para estender\/renovar a concess\u00e3o. O pedido \u00e9 concedido, de modo que os cron\u00f4metros s\u00e3o reiniciados e uma nova concess\u00e3o \u00e9 adquirida por mais 60 minutos. No total, o endere\u00e7o IP \u00e9 reservado por 95 minutos.\r\n\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/dhcp-renew-and-lease-time.jpg\" alt=\"dhcp renew and lease time\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-7679\" srcset=\"\/wp-content\/uploads\/2022\/06\/dhcp-renew-and-lease-time.jpg 722w, \/wp-content\/uploads\/2022\/06\/dhcp-renew-and-lease-time-300x195.jpg 300w\" sizes=\"(max-width: 722px) 100vw, 722px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/dhcp-renew-and-lease-time.jpg\" alt=\"dhcp renew and lease time\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-7679 lazyload\" sizes=\"(max-width: 722px) 100vw, 722px\" data-src=\"\/wp-content\/uploads\/2022\/06\/dhcp-renew-and-lease-time.jpg\" data-srcset=\"\/wp-content\/uploads\/2022\/06\/dhcp-renew-and-lease-time.jpg 722w, \/wp-content\/uploads\/2022\/06\/dhcp-renew-and-lease-time-300x195.jpg 300w\">\r\n\r\n<span class=\"h3-style\">Fechamento de sess\u00e3o quando o tempo de concess\u00e3o expirar e reautoriza\u00e7\u00e3o<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/closing-session-when-lease-time-is-expire.png\" alt=\"Sess\u00e3o de encerramento quando o tempo de loca\u00e7\u00e3o estiver expirado e reautoriza\u00e7\u00e3o\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/closing-session-when-lease-time-is-expire.png\" alt=\"Sess\u00e3o de encerramento quando o tempo de loca\u00e7\u00e3o estiver expirado e reautoriza\u00e7\u00e3o\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/closing-session-when-lease-time-is-expire.png\">\r\n<span class=\"h3-style\">Fechamento de sess\u00e3o por Idle-Timeout<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/closing-session-by-idle-timeout.png\" alt=\"Encerramento de sess\u00e3o por Idle-Timeout\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/closing-session-by-idle-timeout.png\" alt=\"Encerramento de sess\u00e3o por Idle-Timeout\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/closing-session-by-idle-timeout.png\">\r\n<span class=\"h3-style\">CoA com atualiza\u00e7\u00f5es de policiamento e servi\u00e7os<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/coa-with-policing-and-services-updates.png\" alt=\"CoA com atualiza\u00e7\u00f5es de policiamento e servi\u00e7os\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/coa-with-policing-and-services-updates.png\" alt=\"CoA com atualiza\u00e7\u00f5es de policiamento e servi\u00e7os\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/coa-with-policing-and-services-updates.png\">\r\n<span class=\"h3-style\">Estabelecimento de sess\u00e3o IPv6<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-ipv6.png\" alt=\"Establishing session IPv6\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-ipv6.png\" alt=\"Establishing session IPv6\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-ipv6.png\">\r\n\r\n\u00a0\r\n<h2>Esta\u00e7\u00f5es IPoE IPv4<\/h2>\r\n<span class=\"h3-style\">Estabelecimento da sess\u00e3o Public Stati\u0441 IPv4<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-public-static-ipv4.png\" alt=\"Estabelecimento de sess\u00e3o de estado p\u00fablico IPv4\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-public-static-ipv4.png\" alt=\"Estabelecimento de sess\u00e3o de estado p\u00fablico IPv4\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-public-static-ipv4.png\">\r\n&nbsp\r\n<span class=\"h3-style\">Estabelecimento de uma sess\u00e3o de esta\u00e7\u00e3o privada IPv4<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-private-statis-ipv4-scheme.png\" alt=\"Estabelecendo sess\u00e3o de estado privado IPv4\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-private-statis-ipv4-scheme.png\" alt=\"Estabelecendo sess\u00e3o de estado privado IPv4\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-private-statis-ipv4-scheme.png\">\r\n&nbsp\r\n<span class=\"h3-style\">CoA com atualiza\u00e7\u00f5es de policiamento e servi\u00e7os<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/coa-with-policing-and-services-updates-1.png\" alt=\"CoA com atualiza\u00e7\u00f5es de policiamento e servi\u00e7os\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/coa-with-policing-and-services-updates-1.png\" alt=\"CoA com atualiza\u00e7\u00f5es de policiamento e servi\u00e7os\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/coa-with-policing-and-services-updates-1.png\">\r\n\r\n\u00a0\r\n<h2>PPPoE Dual Stack IPv4\/IPv6<\/h2>\r\n<span class=\"h3-style\">Estabelecimento da sess\u00e3o IPv4\/IPv6<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-ipv4-ipv6.png\" alt=\"Establishing session IPv4\/IPv6\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-ipv4-ipv6.png\" alt=\"Establishing session IPv4\/IPv6\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/establishing-session-ipv4-ipv6.png\">\r\n&nbsp\r\n<span class=\"h3-style\">Fechamento de sess\u00e3o por Session-Timeout<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/closing-session-by-session-timeout.png\" alt=\"Encerramento de sess\u00e3o por tempo limite de sess\u00e3o\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/closing-session-by-session-timeout.png\" alt=\"Encerramento de sess\u00e3o por tempo limite de sess\u00e3o\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/closing-session-by-session-timeout.png\">\r\n&nbsp\r\n<span class=\"h3-style\">Fechamento de sess\u00e3o por Idle-Timeout<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/closing-session-by-idle-timeout-1.png\" alt=\"Encerramento de sess\u00e3o por Idle-Timeout\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/closing-session-by-idle-timeout-1.png\" alt=\"Encerramento de sess\u00e3o por Idle-Timeout\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/closing-session-by-idle-timeout-1.png\">\r\n&nbsp\r\n<span class=\"h3-style\">CoA com atualiza\u00e7\u00f5es de policiamento e servi\u00e7os<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/coa-with-policing-and-services-updates-2.png\" alt=\"CoA com atualiza\u00e7\u00f5es de policiamento e servi\u00e7os\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/coa-with-policing-and-services-updates-2.png\" alt=\"CoA com atualiza\u00e7\u00f5es de policiamento e servi\u00e7os\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/coa-with-policing-and-services-updates-2.png\">\r\n&nbsp\r\n<span class=\"h3-style\">CoA com PoD (Packet of Disconnect)<\/span>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/coa-wth-pod.png\" alt=\"CoA com PoD (Pacote de Desconex\u00e3o)\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/06\/coa-wth-pod.png\" alt=\"CoA com PoD (Pacote de Desconex\u00e3o)\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7676 lazyload\" data-src=\"\/wp-content\/uploads\/2022\/06\/coa-wth-pod.png\">\r\n\r\n    [important]   Saiba mais sobre a funcionalidade do <a href=\"\/blog\/bng\/\" target=\"_blank\" rel=\"noopener noreferrer\">BRAS\/BNG<\/a> em nosso blog.    [\/important]  \r\n\r\n [product id=\u201d 110\u2033 type=\u201ddark\u201d]","protected":false},"excerpt":{"rendered":"<p>O BRAS \u00e9 uma parte essencial das topologias de banda larga para o controle do acesso dos assinantes \u00e0 Internet. Em outras palavras, o BRAS \u00e9 um ponto de acesso para os assinantes, por meio do qual eles se conectam \u00e0 rede de banda larga.<\/p>\n","protected":false},"author":7,"featured_media":7661,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-7648","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bng"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>VAS Experts<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/vasexperts.com\/blog\/bng\/bng-call-flows\/\",\"url\":\"https:\/\/vasexperts.com\/blog\/bng\/bng-call-flows\/\",\"name\":\"Read an article \\\"BNG Call Flows \u2014 IPoE DHCP, Static IP, PPPoE\\\"\",\"isPartOf\":{\"@id\":\"https:\/\/vasexperts.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/vasexperts.com\/blog\/bng\/bng-call-flows\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/vasexperts.com\/blog\/bng\/bng-call-flows\/#primaryimage\"},\"thumbnailUrl\":\"\/wp-content\/uploads\/2022\/06\/bng-call-flows.jpg\",\"datePublished\":\"2022-06-14T09:27:02+00:00\",\"dateModified\":\"2025-08-11T11:13:52+00:00\",\"author\":{\"@id\":\"https:\/\/vasexperts.com\/#\/schema\/person\/f4edcaef26fe49b6b59baf8ac5b62170\"},\"description\":\"BRAS is an essential part of broadband topologies for control subscriber access to the Internet. 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