{"id":79649,"date":"2020-04-29T07:42:06","date_gmt":"2020-04-29T05:42:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/extreme-extended-edge-ili-kommutacziya-na-osnove-standarta-ieee-802-1br"},"modified":"2020-04-29T07:42:06","modified_gmt":"2020-04-29T05:42:06","slug":"extreme-extended-edge-ili-kommutacziya-na-osnove-standarta-ieee-802-1br","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/extreme-extended-edge-ili-kommutacziya-na-osnove-standarta-ieee-802-1br","title":{"rendered":"\"Extreme Extended Edge\", ou comuta\u00e7\u00e3o baseada no padr\u00e3o IEEE 802.1BR","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A solu\u00e7\u00e3o \"Extreme Extended Edge\" (tamb\u00e9m conhecida como Virtual Port Extender - VPEX) \u00e9 uma nova tecnologia, cujo suporte foi apresentado pela primeira vez no sistema operacional EXOS, a partir do lan\u00e7amento 22.5. A pr\u00f3pria solu\u00e7\u00e3o \u00e9 baseada no padr\u00e3o IEEE 802.1BR (Bridge Port Extension) e, no contexto do lan\u00e7amento EXOS 22.5, foi adicionada a suporte \u00e0 nova linha de hardware ExtremeSwitching V400.<\/p>\n<p><img decoding=\"async\" alt=\"&quot;Extreme Extended Edge&quot;, ou comuta\u00e7\u00e3o baseada no padr\u00e3o IEEE 802.1BR\" src=\"\/wp-content\/uploads\/2020\/04\/ea282e49e9957cdd295691a0d945a049.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n\"VPEX Bridge\" \u00e9 um switch virtual composto por componentes como \u2014 Controlling Bridge (CB) e Bridge Port Extender (BPE). Para garantir a alta disponibilidade, \u00e9 poss\u00edvel se conectar a dois CB dentro de um \u00fanico switch virtual usando a tecnologia MLAG. O design desse switch virtual se assemelha a um switch de chassi cl\u00e1ssico ou a um stack de switches. E, enquanto na l\u00f3gica de funcionamento do \"Control Plane\" isso \u00e9 mais ou menos verdadeiro, a opera\u00e7\u00e3o do \"Data Plane\" difere substancialmente. Afinal, a finalidade do 802.1br \u00e9 conectar uma porta remota a um servi\u00e7o local de MAC (Media Access Control), isolando o tr\u00e1fego das portas remotas.<\/p>\n<h4><b>Controlling Bridge<\/b><\/h4>\n<p><\/p>\n<ul>\n<li> Um \u00fanico ponto de controle<\/li>\n<li> Toda a configura\u00e7\u00e3o ocorre localmente no CB<\/li>\n<li> O suporte ao VPEX deve ser ativado; \u00e9 necess\u00e1rio reiniciar para alterar o modo de opera\u00e7\u00e3o<\/li>\n<li> CB \u00e9 sempre o slot n\u00ba 1<\/li>\n<li> Na vers\u00e3o atual, o CB suporta a conex\u00e3o simult\u00e2nea de at\u00e9 48 BPE<\/li>\n<li> O modo CB \u00e9 suportado em certas plataformas de hardware (atualmente, estas s\u00e3o X670G2 e X690; outras plataformas ser\u00e3o adicionadas \u00e0 medida que forem lan\u00e7adas)<\/li>\n<li> As licen\u00e7as EXOS aplicam-se apenas ao CB<\/li>\n<li> O VPEX n\u00e3o requer licen\u00e7as adicionais<\/li>\n<li> \u00c9 totalmente respons\u00e1vel pelo processamento e filtragem de tr\u00e1fego no data-plane<\/li>\n<li> Cont\u00e9m uma representa\u00e7\u00e3o virtual de cada porta \"extended\"<\/li>\n<\/ul>\n<p><\/p>\n<h4><b>Bridge Port Extender<\/b><\/h4>\n<p><\/p>\n<ul>\n<li> Dispositivos BPE s\u00e3o gerenciados como slots de um switch de chassi<\/li>\n<li> Os slots BPE s\u00e3o numerados de 100 a 162<\/li>\n<\/ul>\n<p><\/p>\n<pre><code class=\"plaintext\">Slot-1 VPEX X690-48x-2q-4c.3 # show slot\nSlots    Tipo                 Configurado           Estado       Portas  Flags\n-------------------------------------------------------------------------------\nSlot-1   X690-48x-2q-4c       X690-48x-2q-4c       Operacional   72   M\nSlot-100 V400-48t-10GE4       V400-48t-10GE4       Operacional   52   M\nSlot-101 V400-48t-10GE4       V400-48t-10GE4       Operacional   52   M\nSlot-102 V400-48t-10GE4       V400-48t-10GE4       Operacional   52   M\nSlot-103 V400-48t-10GE4       V400-48t-10GE4       Operacional   52   M\n<\/code><\/pre>\n<p><\/p>\n<ul>\n<li> N\u00e3o h\u00e1 necessidade de conex\u00e3o de console ou Out-of-Band IP ao BPE<\/li>\n<li> Toda a configura\u00e7\u00e3o, monitoramento, solu\u00e7\u00e3o de problemas e diagn\u00f3stico \u00e9 realizado atrav\u00e9s da interface CB<\/li>\n<\/ul>\n<p><\/p>\n<pre><code class=\"plaintext\">Slot-1 VPEX X670G2-48x-4q.8 # config vlan v100 add port 100:1,100:3\n*Slot-1 VPEX X670G2-48x-4q.9 # show port 100:1-3 statistics no-refresh\nPort   Link      Tx Pkt     Tx Byte     Rx Pkt     Rx Byte  Rx Pkt   Tx Pkt\n       State      Count       Count      Count       Count   Mcast    Mcast\n====== ===== ========== =========== ========== =========== ======= ========\n100:1  A     2126523437 &gt;9999999999          0           0       0    14383\n100:2  R              0           0          0           0       0        0\n100:3  A          21824     4759804 2126738453 &gt;9999999999       0    14383\n====== ===== ========== =========== ========== =========== ======= ========\n<\/code><\/pre>\n<p><\/p>\n<ul>\n<li> A BPE n\u00e3o realiza comuta\u00e7\u00e3o local. Como resultado, todo o tr\u00e1fego \u00e9 tunnelado at\u00e9 o CB e, se necess\u00e1rio, para encaminhar ao porto adjacente do mesmo slot BPE, retorna. (O BPE recebe o pacote, adiciona o cabe\u00e7alho E-TAG e o envia para a porta upstream)<\/li>\n<\/ul>\n<p>\nUma nova plataforma de hardware ExtremeSwitching V400 foi apresentada para operar como BPE. Ela inclui extensores de porta com 24\/48 portas 10\/100\/1000 Base-T com suporte a PoE ou sem. Nos modelos de 24 portas, h\u00e1 duas portas 10G e nos de 48 portas, quatro portas 10G.<\/p>\n<p><img decoding=\"async\" alt=\"&quot;Extreme Extended Edge&quot;, ou comuta\u00e7\u00e3o baseada no padr\u00e3o IEEE 802.1BR\" src=\"\/wp-content\/uploads\/2020\/04\/9575a2617f71bd74de9cc71a538d8a65.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h4><b>Caracter\u00edsticas de opera\u00e7\u00e3o<\/b><\/h4>\n<p>\nSuportam topologias com um ou dois CBs e at\u00e9 quatro VREs conectados em cascata. As portas em cascata podem ser unidas em LAG (at\u00e9 4 portas para os modelos V400-48t\/p). Esta\u00e7\u00f5es finais podem se conectar a v\u00e1rios slots BPE atrav\u00e9s de LAG.<\/p>\n<p><img decoding=\"async\" alt=\"&quot;Extreme Extended Edge&quot;, ou comuta\u00e7\u00e3o baseada no padr\u00e3o IEEE 802.1BR\" src=\"\/wp-content\/uploads\/2020\/04\/0fa7476e2c1edc2a1d26705f7db3d456.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nA detec\u00e7\u00e3o e opera\u00e7\u00e3o do BPE s\u00e3o baseadas em protocolos como:<\/p>\n<ul>\n<li> LLDP \u2013 detec\u00e7\u00e3o inicial e defini\u00e7\u00e3o do tipo e capacidades do dispositivo conectado<\/li>\n<li> ECP \u2013 \"Edge Control Protocol\" transporte para PE-CSP<\/li>\n<li> PE-CSP \u2013 \"Port Extender Control and Status Protocol\" controle de configura\u00e7\u00e3o do BPE com o Controlling Bridge<\/li>\n<li> LACP \u2013 instala\u00e7\u00e3o de LAG entre portas \u00abcascade\u00bb  \u00abupstream\u00bb<\/li>\n<\/ul>\n<p>\nSe um design de alta disponibilidade com dois CBs e MLAG for utilizado, durante a reinicializa\u00e7\u00e3o de um CB, o BPE continuar\u00e1 enviando tr\u00e1fego atrav\u00e9s do Controlling Bridge restante. Se o \u00fanico CB for reiniciado, o BPE desligar\u00e1 administrativamente suas portas \"extended\". <br \/>\nPara facilitar a configura\u00e7\u00e3o de uma topologia com 2 CBs, foi adicionada a possibilidade de configura\u00e7\u00e3o de portas MLAG de ambos os pares a partir de qualquer um dos CBs. O modo \u00e9 chamado \"mlag orchestration\", onde os pares sincronizam parte da configura\u00e7\u00e3o relacionada \u00e0s configura\u00e7\u00f5es das portas MLAG. A configura\u00e7\u00e3o \u00e9 semelhante \u00e0 configura\u00e7\u00e3o de \"virtual-router\" personalizada.<\/p>\n<pre><code class=\"plaintext\">Slot-1 VPEX X670G2-48x-4q.11 # start orchestration mlag \"bottom\"\n(orchestration bottom) Slot-1 VPEX X670G2-48x-4q.12 # exit\nSlot-1 VPEX X670G2-48x-4q.13 #\n<\/code><\/pre>\n<p>\nA funcionalidade \"Controlling Bridge\" est\u00e1 dispon\u00edvel ap\u00f3s a instala\u00e7\u00e3o do m\u00f3dulo gratuito para EXOS, que possui a extens\u00e3o .xmod. Neste mesmo m\u00f3dulo, est\u00e3o contidas as imagens de atualiza\u00e7\u00e3o para BPE. Quando o CB e o BPE se detectam, o CB verifica a vers\u00e3o do firmware instalada no BPE e, se necess\u00e1rio, a atualiza automaticamente.<\/p>\n<p>As caracter\u00edsticas mencionadas acima permitem uma substitui\u00e7\u00e3o do slot BPE de forma r\u00e1pida e f\u00e1cil, se necess\u00e1rio. Como os slots BPE n\u00e3o armazenam a configura\u00e7\u00e3o e n\u00e3o est\u00e3o vinculados de forma alguma no sistema, assim que o dispositivo for trocado e energizado, o BPE ser\u00e1 detectado pelo CB e a configura\u00e7\u00e3o existente ser\u00e1 aplicada, al\u00e9m de que o firmware ser\u00e1 atualizado se necess\u00e1rio.<\/p>\n<p>Esta solu\u00e7\u00e3o \u00e9 ideal para redes com dire\u00e7\u00e3o de tr\u00e1fego predominante Norte\/Sul, como redes de campus, redes empresariais em setores log\u00edsticos, educacionais, centros de neg\u00f3cios e outros. Mais uma vez, ressaltamos que as vantagens das redes baseadas na solu\u00e7\u00e3o \"Extreme Extended Edge\" ser\u00e3o:<\/p>\n<ul>\n<li> Redu\u00e7\u00e3o do n\u00famero de n\u00edveis da arquitetura de rede tradicional em termos de configura\u00e7\u00e3o e gerenciamento<\/li>\n<li> Facilidade de escalonamento e implanta\u00e7\u00e3o<\/li>\n<li> N\u00e3o \u00e9 necess\u00e1rio ter conex\u00f5es de console dedicadas ou de gerenciamento OOV para os slots BPE <\/li>\n<li> Redu\u00e7\u00e3o da necessidade de licenciamento (se necess\u00e1rio, aplica-se apenas ao CB)<\/li>\n<li> Ponto \u00fanico de configura\u00e7\u00e3o, monitoramento e solu\u00e7\u00e3o de problemas<\/li>\n<li> Exibi\u00e7\u00e3o no NMS como um \u00fanico switch<\/li>\n<li> N\u00e3o h\u00e1 necessidade de treinamento adicional e expans\u00e3o da equipe<\/li>\n<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/extremenetworks\/blog\/420369\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0435\u0448\u0435\u043d\u0438\u0435 \u00abExtreme Extended Edge\u00bb (\u0442\u0430\u043a\u0436\u0435 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e\u0435 \u043a\u0430\u043a Virtual Port Extender \u2013 VPEX) \u044d\u0442\u043e \u043d\u043e\u0432\u0430\u044f \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0432\u043f\u0435\u0440\u0432\u044b\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u0432 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 EXOS, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0440\u0435\u043b\u0438\u0437\u0430 22.5. \u0421\u0430\u043c\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043e \u043d\u0430 \u0431\u0430\u0437\u0435 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 IEEE 802.1BR (Bridge Port Extension), \u0438 \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u0440\u0435\u043b\u0438\u0437\u0430 EXOS 22.5 \u0431\u044b\u043b\u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043d\u043e\u0432\u043e\u0439 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u0439 \u043b\u0438\u043d\u0435\u0439\u043a\u0438 ExtremeSwitching V400 \u00abVPEX Bridge\u00bb \u044d\u0442\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":79650,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-79649","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=\"\u0420\u0435\u0448\u0435\u043d\u0438\u0435 \u00abExtreme Extended Edge\u00bb (\u0442\u0430\u043a\u0436\u0435 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e\u0435 \u043a\u0430\u043a Virtual Port Extender \u2013 VPEX) \u044d\u0442\u043e \u043d\u043e\u0432\u0430\u044f \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 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