{"id":76225,"date":"2020-04-01T01:42:48","date_gmt":"2020-03-31T23:42:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/nastrojka-microsoft-windows-server-2016-2019-dlya-predostavleniya-dhcp-servisov-dlya-vxlan-dfa"},"modified":"2020-04-01T01:42:48","modified_gmt":"2020-03-31T23:42:48","slug":"nastrojka-microsoft-windows-server-2016-2019-dlya-predostavleniya-dhcp-servisov-dlya-vxlan-dfa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/nastrojka-microsoft-windows-server-2016-2019-dlya-predostavleniya-dhcp-servisov-dlya-vxlan-dfa","title":{"rendered":"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>O objetivo deste artigo \u00e9 simplificar a configura\u00e7\u00e3o do servi\u00e7o DHCP para a f\u00e1brica VXLAN BGP EVPN e DFA usando o Microsoft Windows Server 2016\/2019.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/f9380c07801612786865f7756042df07.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nNa documenta\u00e7\u00e3o oficial, o servi\u00e7o DHCP baseado no Microsoft Windows Server 2012 para a f\u00e1brica \u00e9 configurado como SuperScope, que cont\u00e9m um pool Loopback (neste pool, a caracter\u00edstica \u00e9 a exclus\u00e3o de todos os endere\u00e7os IP do pool (excluded IP address = pool)) e pools de distribui\u00e7\u00e3o de endere\u00e7os IP para redes reais (aqui, a particularidade \u00e9 a configura\u00e7\u00e3o de policies \u2013 nas quais s\u00e3o filtrados o DHCP Relay Circuit ID e este DHCP Relay Circuit ID cont\u00e9m o VNI para a rede, ou seja, para outro pool, este DHCP Relay Circuit ID ser\u00e1 um pouco diferente). <\/p>\n<pre><code class=\"plaintext\">Para configurar o DHCP em um servidor Windows. \n\n1. Crie um superescopo. Dentro do superescopo, crie o escopo B, S1, S2, S3, \u2026, Sn para a sub-rede B e as sub-redes para cada segmento. \n2. No escopo B, especifique a 'Faixa de Exclus\u00e3o' para ser toda a faixa de endere\u00e7os (para que a faixa de endere\u00e7os oferecida n\u00e3o venha deste escopo). \n3. Para cada escopo de segmento Si, especifique uma pol\u00edtica que corresponda ao ID do Circuito do Agente com o valor '0108000600XXXXXX', onde '0108000600' \u00e9 um valor fixo para todos os segmentos, os 6 n\u00fameros \"XXXXXX\" s\u00e3o o valor do ID do segmento em hexadecimal. Certifique-se tamb\u00e9m de marcar a caixa de sele\u00e7\u00e3o Adicionar curinga (*). \n4. Defina a faixa de endere\u00e7os da pol\u00edtica para toda a faixa do escopo.<\/code><\/pre>\n<p>\nEste artigo cont\u00e9m respostas para as seguintes perguntas:<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/494850\/#WhyVXLANDHCPRelayDoNotSupportWindows2008andEarley\">Por que o Microsoft Windows Server 2000\/2003\/2008 n\u00e3o \u00e9 suportado?<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/494850\/#WhyWindows2012DHCPSoHardToConfigure\">Por que a configura\u00e7\u00e3o no Microsoft Windows Server 2012 \u00e9 t\u00e3o complicada?<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/494850\/#howsimplifiedsetupwindows20162019\">Como a configura\u00e7\u00e3o \u00e9 simplificada no Microsoft Windows Server 2016\/2019?<\/a><\/noindex><\/li>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<b class=\"spoiler_title\">Conte\u00fado<\/b><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"#introduction\">Introdu\u00e7\u00e3o<\/a><\/noindex>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"#ConfigurationNexusDHCPRelay\">Como \u00e9 configurado o DHCP Relay na f\u00e1brica VXLAN BGP EVPN<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#RFCDHCPRelayVXLAN\">RFCs utilizados no DHCP Relay na f\u00e1brica VXLAN BGP EVPN<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#CiscoDocumentationEvalution\">A evolu\u00e7\u00e3o da documenta\u00e7\u00e3o da Cisco na configura\u00e7\u00e3o do DHCP no Microsoft Windows Server 2012<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#DHCPSuperScopeAndPolicy\">DHCP no Microsoft Windows Server<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"#DHCPSuperScope\">superscope<\/a><\/noindex> &amp; <noindex><a rel=\"nofollow\" href=\"#DHCPPolicy\">policy<\/a><\/noindex>)<\/li>\n<\/ul>\n<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#Common\">Parte principal<\/a><\/noindex>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"#WhyVXLANDHCPRelayDoNotSupportWindows2008andEarley\">Por que o Microsoft Windows Server 2000\/2003\/2008 n\u00e3o \u00e9 suportado?<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#WhyWindows2012DHCPSoHardToConfigure\">Por que a configura\u00e7\u00e3o no Microsoft Windows Server 2012 \u00e9 t\u00e3o complicada?<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#howsimplifiedsetupwindows20162019\">Como a configura\u00e7\u00e3o \u00e9 simplificada no Microsoft Windows Server 2016\/2019?<\/a><\/noindex>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"#windows20162019dhcpexample\">Exemplo<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#windows20162019dhcpsetup\">Configura\u00e7\u00e3o do servi\u00e7o DHCP no Microsoft Windows Server 2019<\/a><\/noindex><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#finale\">Conclus\u00e3o<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"#listofsources\">Lista de fontes<\/a><\/noindex><\/li>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"introduction\"><\/a><\/noindex><\/p>\n<h2>Introdu\u00e7\u00e3o<\/h2>\n<p>\nNesta parte, est\u00e3o listados todos os dados de entrada: Instru\u00e7\u00f5es para configura\u00e7\u00e3o de equipamentos de rede, RFCs utilizadas nos pacotes DHCP em f\u00e1bricas eVPN, al\u00e9m de uma breve evolu\u00e7\u00e3o das configura\u00e7\u00f5es do servidor DHCP no Microsoft Windows Server 2012 na documenta\u00e7\u00e3o da Cisco. Tamb\u00e9m s\u00e3o apresentadas informa\u00e7\u00f5es breves sobre Superscope e Policy no servi\u00e7o DHCP em servidores Microsoft Windows Server.<br \/>\n<noindex><a rel=\"nofollow\" name=\"ConfigurationNexusDHCPRelay\"><\/a><\/noindex><\/p>\n<h4>Como \u00e9 configurado o DHCP Relay na f\u00e1brica VXLAN BGP EVPN, DFA<\/h4>\n<p>\nA configura\u00e7\u00e3o do DHCP Relay na f\u00e1brica VXLAN BGP EVPN n\u00e3o \u00e9 o foco principal deste artigo, pois \u00e9 bastante simples. Aqui est\u00e3o links para a documenta\u00e7\u00e3o e um resumo das configura\u00e7\u00f5es em equipamentos de rede.<\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/7-x\/vxlan\/configuration\/guide\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x_appendix_0110.html\">Guia de Configura\u00e7\u00e3o VXLAN do Nexus 9000 7.X <\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/93x\/vxlan\/configuration\/guide\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x_appendix_010111.html#id_103149\">Guia de Configura\u00e7\u00e3o VXLAN do Nexus 9000 9.3<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/dfa\/configuration\/b-dfa-configuration\/segment-id-support-for-dhcp-relay.html\">DFA (Cisco Dynamic Fabric Automation)<\/a><\/noindex><\/li>\n<\/ul>\n<p>\n<b class=\"spoiler_title\">Exemplo de configura\u00e7\u00e3o do DHCP Relay no Nexus 9000V v9.2(3)<\/b><\/p>\n<pre><code class=\"plaintext\">servi\u00e7o dhcp\nip dhcp relay\nip dhcp relay information option\nip dhcp relay information option vpn\ninterface loopback10\n  membro vrf VRF1\n  endere\u00e7o ip 10.120.0.1\/32 tag 1234567\ninterface Vlan12\n  sem desligar\n  membro vrf VRF1\n  sem redirecionamentos ip\n  endere\u00e7o ip 10.120.251.1\/24 tag 1234567\n  sem redirecionamentos ipv6\n  modo de encaminhamento fabric anycast-gateway\n  endere\u00e7o ip dhcp relay 10.0.0.5\n  interface de origem do relay dhcp loopback10\n<\/code><\/pre>\n<p><noindex><a rel=\"nofollow\" name=\"RFCDHCPRelayVXLAN\"><\/a><\/noindex><\/p>\n<h4>RFCs implementados no funcionamento do servi\u00e7o DHCP Relay nas f\u00e1bricas VXLAN BGP EVPN<\/h4>\n<p><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/93x\/vxlan\/configuration\/guide\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x_appendix_010111.html#id_103141\">Lista de RFCs para Nexus 9000 v9.3<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/7-x\/vxlan\/configuration\/guide\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x_appendix_0110.html#concept_wm1_f5k_4fb\">Lista de RFCs para Nexus 9000 v7.x<\/a><\/noindex><\/li>\n<\/ul>\n<p>\n<b class=\"spoiler_title\">RFC#6607: Subop\u00e7\u00e3o 151(0x97) \u2014 Sele\u00e7\u00e3o de Sub-rede Virtual<\/b><\/p>\n<pre><code class=\"plaintext\">\u2022 Sub-op\u00e7\u00e3o 151(0x97) - Sele\u00e7\u00e3o de Sub-rede Virtual (Definido na RFC#6607)\nUsada para transmitir informa\u00e7\u00f5es relacionadas ao VRF para o servidor DHCP em um ambiente multi-inquilino de MPLS-VPN e VXLAN EVPN.<\/code><\/pre>\n<p>\nO \"nome\" do VRF no qual o cliente est\u00e1 localizado \u00e9 transmitido.<\/p>\n<p><b class=\"spoiler_title\">RFC#5107: Subop\u00e7\u00e3o 11(0xb) \u2014 Sobrescri\u00e7\u00e3o do ID do Servidor<\/b><\/p>\n<pre><code class=\"plaintext\">\u2022 Sub-op\u00e7\u00e3o 11(0xb) - Substitui\u00e7\u00e3o do ID do Servidor (Definido na RFC#5107)\nA sub-op\u00e7\u00e3o de substitui\u00e7\u00e3o do identificador do servidor (ID do servidor) permite que o agente relay DHCP especifique um novo valor para a op\u00e7\u00e3o de ID do servidor, que \u00e9 inserido pelo servidor DHCP no pacote de resposta. Essa sub-op\u00e7\u00e3o permite que o agente relay DHCP atue como o servidor DHCP real, de modo que os pedidos de renova\u00e7\u00e3o cheguem ao agente relay em vez do servidor DHCP diretamente. A sub-op\u00e7\u00e3o de substitui\u00e7\u00e3o do ID do servidor cont\u00e9m o endere\u00e7o IP da interface de entrada, que \u00e9 o endere\u00e7o IP no agente relay acess\u00edvel pelo cliente. Usando essa informa\u00e7\u00e3o, o cliente DHCP envia todos os pacotes de pedidos de renova\u00e7\u00e3o e libera\u00e7\u00e3o ao agente relay. O agente relay adiciona todas as sub-op\u00e7\u00f5es apropriadas e ent\u00e3o encaminha os pacotes de pedidos de renova\u00e7\u00e3o e libera\u00e7\u00e3o ao servidor DHCP original. Para essa fun\u00e7\u00e3o, a implementa\u00e7\u00e3o propriet\u00e1ria da Cisco \u00e9 a sub-op\u00e7\u00e3o 152(0x98). Voc\u00ea pode usar o comando ip dhcp relay sub-option type cisco para gerenciar a fun\u00e7\u00e3o.<\/code><\/pre>\n<p>\nA op\u00e7\u00e3o \u00e9 usada para que o cliente envie uma solicita\u00e7\u00e3o de re-renova\u00e7\u00e3o do aluguel do endere\u00e7o para o endere\u00e7o IP utilizado nesta op\u00e7\u00e3o. (No Cisco VXLAN BGP EVPN \u2013 este \u00e9 o endere\u00e7o Anycast padr\u00e3o do gateway para o cliente.)<\/p>\n<p><b class=\"spoiler_title\">RFC#3527: Subop\u00e7\u00e3o 5(0x5) \u2014 Sele\u00e7\u00e3o de Link<\/b><\/p>\n<pre><code class=\"plaintext\">Sub-op\u00e7\u00e3o 5(0x5) - Sele\u00e7\u00e3o de Link (Definido na RFC#3527.)\n\nA sub-op\u00e7\u00e3o de sele\u00e7\u00e3o de link fornece um mecanismo para separar a sub-rede\/link na qual o cliente DHCP reside do endere\u00e7o do gateway (giaddr), que pode ser usado para se comunicar com o agente relay pelo servidor DHCP. O agente relay definir\u00e1 a sub-op\u00e7\u00e3o para a sub-rede correta do assinante e o servidor DHCP usar\u00e1 esse valor para atribuir um endere\u00e7o IP em vez do valor giaddr. O agente relay definir\u00e1 o giaddr com seu pr\u00f3prio endere\u00e7o IP para que as mensagens DHCP possam ser encaminhadas pela rede. Para essa fun\u00e7\u00e3o, a implementa\u00e7\u00e3o propriet\u00e1ria da Cisco \u00e9 a sub-op\u00e7\u00e3o 150(0x96). Voc\u00ea pode usar o comando ip dhcp relay sub-option type cisco para gerenciar a fun\u00e7\u00e3o.<\/code><\/pre>\n<p>\nEndere\u00e7o de rede do qual o cliente necessita do endere\u00e7o IP.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"CiscoDocumentationEvalution\"><\/a><\/noindex><\/p>\n<h4>A evolu\u00e7\u00e3o da documenta\u00e7\u00e3o da Cisco na configura\u00e7\u00e3o do DHCP no Microsoft Windows Server 2012<br \/>\n<\/h4>\n<p>\nInclu\u00ed esta se\u00e7\u00e3o porque h\u00e1 uma tend\u00eancia positiva por parte do fornecedor:<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/7-x\/vxlan\/configuration\/guide\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x_appendix_0110.html\">Guia de Configura\u00e7\u00e3o Nexus 9000 VXLAN 7.3<\/a><\/noindex> <\/p>\n<p>A documenta\u00e7\u00e3o fornece apenas a configura\u00e7\u00e3o do DHCP Relay no equipamento de rede.<\/p>\n<p>Para configurar o DHCP no Windows Server 2012, foi utilizado outro artigo:<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/switches\/nexus-9000-series-switches\/200248-Configuring-Microsoft-Windows-Server-201.html\">Configurando o Microsoft Windows Server 2012 para fornecer servi\u00e7os DHCP em um cen\u00e1rio eVPN (VXLAN, Cisco One Fabric, etc)<\/a><\/noindex><\/p>\n<p>Neste artigo, \u00e9 indicado que para cada rede\/VNI \u00e9 necess\u00e1ria sua pr\u00f3pria combina\u00e7\u00e3o SuperScope e um conjunto exclusivo de endere\u00e7os Loopback:<\/p>\n<pre><code class=\"plaintext\">Se v\u00e1rios escopos DHCP forem necess\u00e1rios para v\u00e1rias sub-redes, voc\u00ea precisar\u00e1 criar um LoopbackX por sub-rede\/vlan em todos os LEAFS e criar um superscope com um intervalo de LoopbackX e um escopo de sub-rede de cliente real por vlan.<\/code><\/pre>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/93x\/vxlan\/configuration\/guide\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x_appendix_010111.html#id_103149\">Guia de Configura\u00e7\u00e3o VXLAN do Nexus 9000 9.3<\/a><\/noindex><\/p>\n<p>Adicionamos as configura\u00e7\u00f5es do Windows Server 2012 na documenta\u00e7\u00e3o de configura\u00e7\u00e3o de equipamentos de rede. Para todos os pools de endere\u00e7os utilizados, \u00e9 necess\u00e1rio um SuperScope no Data Center e esse SuperScope \u00e9 a fronteira do Data Center:<\/p>\n<pre><code class=\"plaintext\">Crie um Superscope para todos os escopos que voc\u00ea deseja usar para pol\u00edticas baseadas em Op\u00e7\u00e3o 82.\nNota\nO Superscope deve combinar todos os escopos e agir como a fronteira administrativa.<\/code><\/pre>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/dfa\/configuration\/b-dfa-configuration\/segment-id-support-for-dhcp-relay.html#concept_3347D39EEA1B44B1839904FBAA4708EE\">Automa\u00e7\u00e3o de Malha Din\u00e2mica Cisco<\/a><\/noindex><\/p>\n<p>Foi apresentado de forma muito concisa sobre tudo:<\/p>\n<pre><code class=\"plaintext\">Vamos supor que o switch esteja usando o endere\u00e7o da sub-rede B (que pode ser a sub-rede backbone, sub-rede de gerenciamento ou qualquer sub-rede designada pelo cliente para esse fim) para se comunicar com o servidor DHCP Windows. No DFA, temos sub-redes S1, S2, S3, \u2026, Sn para o segmento s1, s2, s3, \u2026, sn. \n\nPara configurar o DHCP em um servidor Windows. \n\n1. Crie um superescopo. Dentro do superescopo, crie o escopo B, S1, S2, S3, \u2026, Sn para a sub-rede B e as sub-redes para cada segmento. \n2. No escopo B, especifique a 'Faixa de Exclus\u00e3o' para ser toda a faixa de endere\u00e7os (para que a faixa de endere\u00e7os oferecida n\u00e3o venha deste escopo). \n3. Para cada escopo de segmento Si, especifique uma pol\u00edtica que corresponda ao ID do Circuito do Agente com o valor '0108000600XXXXXX', onde '0108000600' \u00e9 um valor fixo para todos os segmentos, os 6 n\u00fameros \"XXXXXX\" s\u00e3o o valor do ID do segmento em hexadecimal. Certifique-se tamb\u00e9m de marcar a caixa de sele\u00e7\u00e3o Adicionar curinga (*). \n4. Defina a faixa de endere\u00e7os da pol\u00edtica para toda a faixa do escopo.\n<\/code><\/pre>\n<p>\n<noindex><a rel=\"nofollow\" name=\"DHCPSuperScopeAndPolicy\"><\/a><\/noindex><\/p>\n<h4>DHCP no Microsoft Windows Server (superscope &amp; pol\u00edtica)<\/h4>\n<p>\n<noindex><a rel=\"nofollow\" name=\"DHCPSuperScope\"><\/a><\/noindex><\/p>\n<h4><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/openspecs\/windows_protocols\/ms-dhcpm\/4b3dafe4-70e5-4085-969e-4bb402d9c68b\">SuperScope<\/a><\/noindex><\/h4>\n<p><\/p>\n<pre><code class=\"plaintext\">Superscope \u00e9 um recurso administrativo de um servidor DHCP que pode ser usado para agrupar v\u00e1rios escopos como uma \u00fanica entidade administrativa. O Superscope permite que um servidor DHCP forne\u00e7a concess\u00f5es de mais de um escopo para clientes em uma \u00fanica rede f\u00edsica. Os escopos adicionados a um superscope s\u00e3o chamados de escopos membros.<\/code><\/pre>\n<p>\nO que \u00e9 SuperScope \u2013 \u00e9 uma funcionalidade que permite agrupar v\u00e1rios pools de endere\u00e7os IP em uma \u00fanica unidade administrativa. Para anunciar aos usu\u00e1rios em uma \u00fanica rede f\u00edsica (em um VLAN) endere\u00e7os IP de v\u00e1rios pools. Se uma solicita\u00e7\u00e3o chegar a um pool de endere\u00e7os que faz parte do SuperScope, \u00e9 poss\u00edvel atribuir um endere\u00e7o ao cliente de outro Scope que integra esse SuperScope.<br \/>\n<noindex><a rel=\"nofollow\" name=\"DHCPPolicy\"><\/a><\/noindex><\/p>\n<h4><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/previous-versions\/windows\/it-pro\/windows-server-2012-r2-and-2012\/dn425039(v%3Dws.11)\">Pol\u00edtica<\/a><\/noindex><\/h4>\n<p><\/p>\n<pre><code class=\"plaintext\">O papel do servidor DHCP no Windows Server 2012 introduz um novo recurso que permite criar pol\u00edticas IPv4 que especificam atribui\u00e7\u00f5es de endere\u00e7os IP e op\u00e7\u00f5es personalizados para clientes DHCP com base em um conjunto de condi\u00e7\u00f5es.\n\nO recurso de atribui\u00e7\u00e3o baseada em pol\u00edtica (PBA) permite agrupar clientes DHCP por atributos espec\u00edficos com base em campos contidos no pacote de solicita\u00e7\u00e3o do cliente DHCP. PBA possibilita uma administra\u00e7\u00e3o direcionada e maior controle dos par\u00e2metros de configura\u00e7\u00e3o entregues aos dispositivos de rede com DHCP.<\/code><\/pre>\n<p>\nAs pol\u00edticas \u2013 permitem atribuir endere\u00e7os IP aos usu\u00e1rios com base no tipo de usu\u00e1rio ou par\u00e2metro. Engenheiros Cisco utilizam pol\u00edticas no Windows Server 2012 para filtra\u00e7\u00e3o por VNI (Identificador de Rede Virtual). <br \/>\n<noindex><a rel=\"nofollow\" name=\"Common\"><\/a><\/noindex><\/p>\n<h2>Parte principal<\/h2>\n<p>\nEsta se\u00e7\u00e3o apresenta os resultados de pesquisas sobre por que n\u00e3o \u00e9 compat\u00edvel, como isso funciona (l\u00f3gica), o que h\u00e1 de novo e como essas novidades podem nos ajudar.<br \/>\n<noindex><a rel=\"nofollow\" name=\"WhyVXLANDHCPRelayDoNotSupportWindows2008andEarley\"><\/a><\/noindex><\/p>\n<h4>Por que o Microsoft Windows Server 2000\/2003\/2008 n\u00e3o \u00e9 suportado?<\/h4>\n<p>\nMicrosoft Windows Server 2008 e vers\u00f5es anteriores n\u00e3o tratam a op\u00e7\u00e3o 82 (Option 82) e enviam o pacote de volta sem a op\u00e7\u00e3o 82.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/social.technet.microsoft.com\/Forums\/windowsserver\/en-US\/e093f0ea-9cee-4d65-85ce-20100038d9c7\/win2k8-r2-dhcp-problem-with-option82?forum=winserverNIS\">Problema do DHCP do Win2k8 R2 com a Option82<\/a><\/noindex><\/p>\n<ol>\n<li>A solicita\u00e7\u00e3o do cliente \u00e9 enviada como Broadcast (DHCP Discover).<\/li>\n<li>O equipamento (Nexus) envia o pacote ao servidor DHCP (DHCP Discover + Option 82).<\/li>\n<li>O servidor DHCP recebe o pacote, processa, e envia de volta, mas sem a op\u00e7\u00e3o 82. (DHCP Offer \u2013 sem option 82)<\/li>\n<li>O equipamento (Nexus) recebe o pacote do servidor DHCP. (DHCP Offer) Mas n\u00e3o envia este pacote ao usu\u00e1rio final.<\/li>\n<\/ol>\n<p>\n<b class=\"spoiler_title\">Dados do sniffer \u2014 no Windows Server 2008 e no cliente DHCP<\/b>O Windows Server 2008 recebe a solicita\u00e7\u00e3o do equipamento de rede. (A Option 82 est\u00e1 presente na lista)<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/267332ca80f1f1a2522307d791074644.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nO Windows Server 2008 envia a resposta ao equipamento de rede. (A Option 82 est\u00e1 ausente na lista de op\u00e7\u00f5es do pacote)<br \/>\n<img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/dea552f68344f7c1c4e7904c67859e40.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nSolicita\u00e7\u00e3o do cliente - incluem DHCP Discover e n\u00e3o incluem DHCP Offer<br \/>\n<img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/611e7c61971d92813fad5e85541c1926.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nEstat\u00edsticas no equipamento de rede:<\/p>\n<pre><code class=\"plaintext\">NEXUS-9000V-SW-1# show ip dhcp relay statistics \n----------------------------------------------------------------------\nTipo de Mensagem        Rx              Tx           Quedas  \n----------------------------------------------------------------------\nDiscover                8               8               0\nOffer                   8               8               0\nRequest(*)              0               0               0\nAck                     0               0               0\nRelease(*)              0               0               0\nDecline                 0               0               0\nInform(*)               0               0               0\nNack                    0               0               0\n----------------------------------------------------------------------\nTotal                  16              16               0\n----------------------------------------------------------------------\n\nDHCP L3 FWD:\nTotal de Pacotes Recebidos                       :         0\nTotal de Pacotes Encaminhados                    :         0\nTotal de Pacotes Descartados                     :         0\nN\u00e3o DHCP:\nTotal de Pacotes Recebidos                       :         0\nTotal de Pacotes Encaminhados                    :         0\nTotal de Pacotes Descartados                     :         0\nDESCARTAR:\nDHCP Relay n\u00e3o habilitado                        :         0\nTipo de mensagem DHCP inv\u00e1lido                   :         0\nErro de Interface                                 :         0\nFalha na Tx em dire\u00e7\u00e3o ao servidor               :         0\nFalha na Tx em dire\u00e7\u00e3o ao cliente                :         0\nInterface de sa\u00edda desconhecida                  :         0\nvrf ou interface desconhecida para o servidor    :         0\nM\u00e1ximo de saltos excedido                         :         0\nValida\u00e7\u00e3o da Option 82 falhou                    :         0\nPacote malformado                                :         0\nPorta de Relay n\u00e3o confi\u00e1vel n\u00e3o configurada     :         0\nSolicita\u00e7\u00e3o DHCP descartada no MCT                :         0\n*  -  Esses contadores mostrar\u00e3o valores corretos quando o switch \nreceber o pacote de solicita\u00e7\u00e3o DHCP com o IP de destino como endere\u00e7o de broadcast. Se a solicita\u00e7\u00e3o for unicast, ser\u00e1 switchada por hardware\nNEXUS-9000V-SW-1#<\/code><\/pre>\n<p>\n<noindex><a rel=\"nofollow\" name=\"WhyWindows2012DHCPSoHardToConfigure\"><\/a><\/noindex><\/p>\n<h4>Por que a configura\u00e7\u00e3o no Microsoft Windows Server 2012 \u00e9 t\u00e3o complicada?<\/h4>\n<p>\nNo Microsoft Windows Server 2012 ainda n\u00e3o suporta o RFC#3527 (Op\u00e7\u00e3o 82 Sub-op\u00e7\u00e3o 5(0x5) \u2014 Sele\u00e7\u00e3o de Link)<br \/>\nMas a funcionalidade de Policy j\u00e1 est\u00e1 implementada.<\/p>\n<p>Como isso funciona:<\/p>\n<ul>\n<li>O Microsoft Windows Server 2012 possui um super-pool (SuperScope) que inclui endere\u00e7os Loopback e pools para redes reais.<\/li>\n<li>A escolha do pool para atribui\u00e7\u00e3o de endere\u00e7o IP vai para o SuperScope, pois a resposta veio do DHCP Relay com o endere\u00e7o de origem Loopback, que est\u00e1 dentro do SuperScope.<\/li>\n<li>Usando uma Policy, a solicita\u00e7\u00e3o escolhe dentro do Superscope aquele member scope, cujo VNI est\u00e1 contido na Op\u00e7\u00e3o 82 Subop\u00e7\u00e3o 1 Agent Circuit ID. (\u201c0108000600\u201d+ 24 bits de VNI + 24 bits de valores que n\u00e3o conhe\u00e7o, mas o sniffer mostra valores 0 neste campo.)<\/li>\n<\/ul>\n<p>\n<noindex><a rel=\"nofollow\" name=\"howsimplifiedsetupwindows20162019\"><\/a><\/noindex><\/p>\n<h4>Como a configura\u00e7\u00e3o \u00e9 simplificada no Microsoft Windows Server 2016\/2019?<\/h4>\n<p>\nNo Microsoft Windows Server 2016, a funcionalidade do RFC#3527 est\u00e1 implementada. Ou seja, o Windows Server 2016 pode reconhecer a rede correta a partir do atributo Op\u00e7\u00e3o 82 Sub-op\u00e7\u00e3o 5(0x5) \u2014 Sele\u00e7\u00e3o de Link <\/p>\n<p>Logo surgem tr\u00eas perguntas:<\/p>\n<ul>\n<li>Podemos operar sem o Superscope?<\/li>\n<li>Podemos operar sem Policy e a convers\u00e3o do VNI para forma hexadecimal?<\/li>\n<li>Podemos operar sem Scope para endere\u00e7os Loopback DHCP Source?<\/li>\n<\/ul>\n<p>\n<b>Q.<\/b> Podemos operar sem o Superscope?<br \/>\n<b>A.<\/b> Sim, scopes podem ser criados diretamente na \u00e1rea de endere\u00e7os IPv4.<br \/>\n<b>Q.<\/b> Podemos operar sem Policy e a convers\u00e3o do VNI para forma hexadecimal?<br \/>\n<b>A.<\/b> Sim, a escolha da rede ocorre com base na Op\u00e7\u00e3o 82 Subop\u00e7\u00e3o 0x5,<br \/>\n<b>Q.<\/b> Podemos operar sem Scope para endere\u00e7os Loopback DHCP Source?<br \/>\n<b>A.<\/b> N\u00e3o, n\u00e3o podemos. Pois no Microsoft Windows Server 2016\/2019 existe prote\u00e7\u00e3o contra solicita\u00e7\u00f5es DHCP maliciosas. Ou seja, todas as solicita\u00e7\u00f5es de endere\u00e7os que n\u00e3o est\u00e3o no pool do servidor DHCP s\u00e3o consideradas maliciosas.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/windows-server\/networking\/technologies\/dhcp\/dhcp-subnet-options\">Op\u00e7\u00f5es de Sele\u00e7\u00e3o de Sub-rede DHCP<\/a><\/noindex><\/p>\n<pre><code class=\"plaintext\"> Nota\nTodos os endere\u00e7os IP do agente de retransmiss\u00e3o (GIADDR) devem fazer parte de uma faixa de endere\u00e7os IP de escopo DHCP ativo. Qualquer GIADDR fora das faixas de endere\u00e7os IP de escopo DHCP \u00e9 considerado um agente de retransmiss\u00e3o n\u00e3o autorizado e o Servidor DHCP do Windows n\u00e3o reconhecer\u00e1 solicita\u00e7\u00f5es de cliente DHCP desses agentes de retransmiss\u00e3o.\n\nUm escopo especial pode ser criado para \"autorizar\" agentes de retransmiss\u00e3o. Crie um escopo com o GIADDR (ou m\u00faltiplos se os GIADDRs forem endere\u00e7os IP sequenciais), exclua o(s) endere\u00e7o(s) GIADDR da distribui\u00e7\u00e3o e, em seguida, ative o escopo. Isso autorizar\u00e1 os agentes de retransmiss\u00e3o enquanto evita que os endere\u00e7os GIADDR sejam atribu\u00eddos.<\/code><\/pre>\n<p>\nOu seja, para configurar um pool DHCP no Microsoft Windows Server 2016\/2019 para uma f\u00e1brica VXLAN BGP EVPN, \u00e9 necess\u00e1rio apenas:<\/p>\n<ul>\n<li>Criar um pool para endere\u00e7os Relay de origem.<\/li>\n<li>Criar um pool para redes de clientes<\/li>\n<\/ul>\n<p>\nO que n\u00e3o \u00e9 necess\u00e1rio (mas pode ser configurado e funcionar\u00e1, sem impedir o funcionamento):<\/p>\n<ul>\n<li>Criar Policy<\/li>\n<li>Criar SuperScope<\/li>\n<\/ul>\n<p>\n<noindex><a rel=\"nofollow\" name=\"windows20162019dhcpexample\"><\/a><\/noindex><b class=\"spoiler_title\">Exemplo<\/b>Exemplo de configura\u00e7\u00e3o do servidor DHCP (com 2 clientes DHCP reais \u2014 os clientes est\u00e3o conectados \u00e0 f\u00e1brica VXLAN)<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/c3a49fb7581aa7e60b85765499fd0d49.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nExemplo de configura\u00e7\u00e3o de um pool personalizado:<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/c4bf4f6457f6cab564a3b6c16c0e0ed6.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nExemplo de configura\u00e7\u00e3o de um pool personalizado (as pol\u00edticas selecionadas - para provar que as pol\u00edticas n\u00e3o foram usadas para o funcionamento correto do pool):<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/58dde157b1aaf61d1810b33905fa41e0.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nExemplo de configura\u00e7\u00e3o de um pool para endere\u00e7os DHCP Relay de origem (o intervalo de endere\u00e7os a ser fornecido corresponde totalmente \u00e0 exclus\u00e3o do pool de endere\u00e7os):<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/ff17e07ac6e9b5531bbcadc202752d37.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"windows20162019dhcpsetup\"><\/a><\/noindex><b class=\"spoiler_title\">Configura\u00e7\u00e3o do servi\u00e7o DHCP no Microsoft Windows Server 2019<\/b><\/p>\n<h4>Configura\u00e7\u00e3o do pool para endere\u00e7os Loopback (source) para DHCP Relay.<\/h4>\n<p>\nCriando um novo pool (Scope) no espa\u00e7o IPv4.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/828cdb37e1ab759b35b73c5f7dd6ff54.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAssistente de cria\u00e7\u00e3o de pool. \"Pr\u00f3ximo &gt;\"<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/6a95b404d2b8555fe4c2f7dc995d7136.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nConfigura\u00e7\u00e3o do nome do pool e descri\u00e7\u00e3o (Description) do pool.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/4de21b9090e089c61014bda5a51a4b4d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nDefinindo o intervalo de endere\u00e7os IP para Loopback e a m\u00e1scara para o pool.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/48ac2949da64e3c3af09bc4405907e58.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAdicionando exce\u00e7\u00f5es. O intervalo de exce\u00e7\u00f5es deve coincidir exatamente com o intervalo do pool.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/08e8e5cc77234f06e98eed868bee67ec.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nTempo de loca\u00e7\u00e3o. \"Pr\u00f3ximo &gt;\"<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/0b664ecaec68d98562af26b8ca7b0e81.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nSolicita\u00e7\u00e3o: Voc\u00ea configurar\u00e1 as op\u00e7\u00f5es DHCP agora (DNS, WINS, Gateway, Dom\u00ednio) ou far\u00e1 isso mais tarde? Responder 'n\u00e3o' ser\u00e1 mais r\u00e1pido e, em seguida, ativar o pool manualmente. Ou voc\u00ea pode prosseguir at\u00e9 o final sem preencher nenhuma informa\u00e7\u00e3o e no final do assistente ativar o pool.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/6e7e01ee34e365c448f41a3b20078920.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nConfirmamos que as op\u00e7\u00f5es n\u00e3o est\u00e3o configuradas, o pool n\u00e3o est\u00e1 ativado. \"Concluir\"<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/698fa93bf8a0fe0ade26fa10bdc6549f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAtivando o pool manualmente. \u2014 Selecionamos Scope e no menu de contexto \u2014 escolhemos \"Ativar\". <\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/3db2846b071f7b1462263114bbad2081.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h4>Criando um pool para usu\u00e1rios\/servidores.<\/h4>\n<p>\nCriando um novo pool.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/8458c23bf19e02fbec43c743f518d8c5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAssistente de cria\u00e7\u00e3o de pool. \"Pr\u00f3ximo &gt;\"<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/f8d1617a6562985240ec481c540a3e0d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nConfigura\u00e7\u00e3o do nome do pool e descri\u00e7\u00e3o (Description) do pool.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/3be102f86f31a219722dfb86c441c62c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nDefinindo o intervalo de endere\u00e7os IP para Loopback e a m\u00e1scara para o pool.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/95961214f5cf35f1e25692e4e008eee7.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAdicionando exce\u00e7\u00f5es. (Por padr\u00e3o, exce\u00e7\u00f5es n\u00e3o s\u00e3o necess\u00e1rias) \"Pr\u00f3ximo &gt;\"<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/8a84a14fa2f403e5341caf7b769f68a3.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nTempo de loca\u00e7\u00e3o. \"Pr\u00f3ximo &gt;\"<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/36a3d8f03abe3c904a1603e7734d62e8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nSolicita\u00e7\u00e3o: Voc\u00ea configurar\u00e1 as op\u00e7\u00f5es DHCP agora (DNS, WINS, Gateway, Dom\u00ednio) ou far\u00e1 isso mais tarde? Sim, vamos configurar agora.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/822ecc9ef6376ead20b2a34069ef548d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nConfigurando o endere\u00e7o do gateway padr\u00e3o.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/3878daaaab73e0af2d9dda3ad1cdc379.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nConfigurando o dom\u00ednio e os endere\u00e7os dos servidores DNS.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/4a873e8dfda51d687ddff132e5a4d3cd.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nConfigurando os endere\u00e7os IP dos servidores WINS.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/85abf769a1ecb995da55375c178470d3.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAtiva\u00e7\u00e3o do Scope.<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/4c1c52ee5e6aaa245f350c71e568fa28.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nPool configurado. \"Concluir\"<\/p>\n<p><img decoding=\"async\" alt=\"Configura\u00e7\u00e3o do Microsoft Windows Server 2016\/2019 para fornecer servi\u00e7os DHCP para VXLAN (DFA)\" src=\"\/wp-content\/uploads\/2020\/03\/dce3cbed37e029d7de297f0b5c0cde40.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<noindex><a rel=\"nofollow\" name=\"finale\"><\/a><\/noindex><\/p>\n<h2>Conclus\u00e3o<\/h2>\n<p>\nO uso do Windows Server 2016\/2019 reduz a complexidade da configura\u00e7\u00e3o do servidor DHCP para a f\u00e1brica VXLAN (ou qualquer outra f\u00e1brica). (N\u00e3o \u00e9 necess\u00e1rio transmitir pacotes especiais para os profissionais de TI: Network\/Agent Circuit ID para a cria\u00e7\u00e3o de filtros.)<\/p>\n<p>A configura\u00e7\u00e3o para Windows Server 2012 funcionar\u00e1 em novos servidores 2016\/2019 \u2013 sim, funcionar\u00e1.<\/p>\n<p>Este documento cont\u00e9m refer\u00eancias a 2 vers\u00f5es: 7.X e 9.3. Isso se deve ao fato de que a vers\u00e3o 7.0(3)I7(7) \u00e9 a vers\u00e3o recomendada pela Cisco, enquanto a vers\u00e3o 9.3 \u00e9 a mais inovadora (incluindo suporte a Multicast atrav\u00e9s do VXLAN Multisite).<br \/>\n<noindex><a rel=\"nofollow\" name=\"listofsources\"><\/a><\/noindex><\/p>\n<h2>Lista de fontes<\/h2>\n<p><\/p>\n<ol>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/7-x\/vxlan\/configuration\/guide\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x\/b_Cisco_Nexus_9000_Series_NX-OS_VXLAN_Configuration_Guide_7x_appendix_0110.html\">Guia de Configura\u00e7\u00e3o Nexus 9000 VXLAN 7.x<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus9000\/sw\/93x\/vxlan\/configuration\/guide\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x\/b-cisco-nexus-9000-series-nx-os-vxlan-configuration-guide-93x_appendix_010111.html#id_103149\">Guia de Configura\u00e7\u00e3o VXLAN do Nexus 9000 9.3<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/dfa\/configuration\/b-dfa-configuration\/segment-id-support-for-dhcp-relay.html\">DFA (Cisco Dynamic Fabric Automation)<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/switches\/nexus-9000-series-switches\/200248-Configuring-Microsoft-Windows-Server-201.html\">Configurando o Microsoft Windows Server 2012 para fornecer servi\u00e7os DHCP em um cen\u00e1rio eVPN (VXLAN, Cisco One Fabric, etc)<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/openspecs\/windows_protocols\/ms-dhcpm\/4b3dafe4-70e5-4085-969e-4bb402d9c68b\">3.4 Superscopes DHCP<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/previous-versions\/windows\/it-pro\/windows-server-2012-r2-and-2012\/dn425039(v%3Dws.11)\">Introdu\u00e7\u00e3o \u00e0s Pol\u00edticas DHCP<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/social.technet.microsoft.com\/Forums\/windowsserver\/en-US\/e093f0ea-9cee-4d65-85ce-20100038d9c7\/win2k8-r2-dhcp-problem-with-option82?forum=winserverNIS\">Problema do DHCP do Win2k8 R2 com a Option82<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/windows-server\/networking\/technologies\/dhcp\/dhcp-subnet-options\">Op\u00e7\u00f5es de Sele\u00e7\u00e3o de Sub-rede DHCP<\/a><\/noindex><\/li>\n<\/ol>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/494850\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u2013 \u0443\u043f\u0440\u043e\u0441\u0442\u0438\u0442\u044c \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0443 DHCP \u0441\u0435\u0440\u0432\u0438\u0441\u0430 \u0434\u043b\u044f \u0444\u0430\u0431\u0440\u0438\u043a\u0438 VXLAN BGP EVPN and DFA \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c Microsoft Windows Server 2016\/2019. \u0412 \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0439 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0438 DHCP \u0441\u0435\u0440\u0432\u0438\u0441 \u043d\u0430 \u0431\u0430\u0437\u0435 Microsoft Windows Server 2012 \u0434\u043b\u044f \u0444\u0430\u0431\u0440\u0438\u043a\u0438 \u043d\u0430\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043a\u0430\u043a SuperScope, \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0438\u0439 \u043f\u0443\u043b Loopback (\u0432 \u0434\u0430\u043d\u043d\u043e\u043c \u043f\u0443\u043b\u0435 \u2013 \u0438\u0437\u044e\u043c\u0438\u043d\u043a\u0430 \u044d\u0442\u043e \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u0438\u0437 \u043f\u0443\u043b\u0430 \u0432\u0441\u0435\u0445 IP \u0430\u0434\u0440\u0435\u0441\u043e\u0432 \u043f\u0443\u043b\u0430 (excluded IP [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":76226,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-76225","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u2013 \u0443\u043f\u0440\u043e\u0441\u0442\u0438\u0442\u044c \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0443 DHCP \u0441\u0435\u0440\u0432\u0438\u0441\u0430 \u0434\u043b\u044f \u0444\u0430\u0431\u0440\u0438\u043a\u0438 VXLAN BGP EVPN and DFA \u0441 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