{"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\/ro\/blog\/administrirovanie\/extreme-extended-edge-ili-kommutacziya-na-osnove-standarta-ieee-802-1br","title":{"rendered":"\u00abExtreme Extended Edge\u00bb, sau comutarea pe baza standardului IEEE 802.1BR","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Solu\u021bia \u00abExtreme Extended Edge\u00bb (cunoscut\u0103 \u0219i sub numele de Virtual Port Extender \u2013 VPEX) este o nou\u0103 tehnologie, suportul c\u0103reia a fost prezentat pentru prima dat\u0103 \u00een sistemul de operare EXOS, \u00eencep\u00e2nd cu versiunea 22.5. Solu\u021bia este bazat\u0103 pe standardul IEEE 802.1BR (Extensia portului de punte), iar \u00een cadrul lans\u0103rii EXOS 22.5 a fost ad\u0103ugat suport pentru noua gam\u0103 de hardware ExtremeSwitching V400.<\/p>\n<p><img decoding=\"async\" alt=\"\u00abExtreme Extended Edge\u00bb, sau comutarea pe baza standardului 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\u00abVPEX Bridge\u00bb este un comutator virtual format din componente precum \u2013 Controlling Bridge (CB) \u0219i Bridge Port Extender (BPE). Pentru a asigura redundan\u021ba, se poate conecta la dou\u0103 CB \u00een cadrul aceluia\u0219i comutator virtual prin tehnologia MLAG. Designul acestui comutator virtual aminte\u0219te de un comutator clasic cu \u0219asiu sau de un stivuitor de comutatoare. \u0218i, de\u0219i logica de func\u021bionare a \u00abControl Plane\u00bb este mai mult sau mai pu\u021bin similar\u0103, activitatea \u00abData Plane\u00bb difer\u0103 destul de mult. Scopul standardului 802.1BR este conectarea unui port la un serviciu local MAC (Media Access Control), izol\u00e2nd \u00een acela\u0219i timp traficul porturilor \u00eendep\u0103rtate.<\/p>\n<h4><b>Controlling Bridge<\/b><\/h4>\n<p><\/p>\n<ul>\n<li> Punct unic de control<\/li>\n<li> Toat\u0103 configurarea se face local pe CB<\/li>\n<li> Suportul VPEX trebuie activat, este necesar un restart pentru a schimba modul de func\u021bionare<\/li>\n<li> CB este \u00eentotdeauna slotul nr. 1<\/li>\n<li> \u00cen versiunea curent\u0103, CB suport\u0103 conectarea simultan\u0103 a p\u00e2n\u0103 la 48 BPE<\/li>\n<li> Modul CB este suportat pe anumite platforme hardware (\u00een prezent, acestea sunt X670G2 \u0219i X690, iar alte platforme vor fi ad\u0103ugate pe m\u0103sur\u0103 ce devin disponibile)<\/li>\n<li> Licen\u021bele EXOS se aplic\u0103 doar pe CB<\/li>\n<li> VPEX nu necesit\u0103 licen\u021be suplimentare<\/li>\n<li> Este responsabil \u00een totalitate pentru procesarea \u0219i filtrarea traficului \u00een data-plane<\/li>\n<li> Con\u021bine o reprezentare virtual\u0103 a fiec\u0103rui port \u00abextended\u00bb<\/li>\n<\/ul>\n<p><\/p>\n<h4><b>Bridge Port Extender<\/b><\/h4>\n<p><\/p>\n<ul>\n<li> Dispozitivele BPE sunt gestionate ca sloturi ale unui comutator cu \u0219asiu<\/li>\n<li> Sloturile BPE sunt numerotate de la 100 la 162<\/li>\n<\/ul>\n<p><\/p>\n<pre><code class=\"plaintext\">Slot-1 VPEX X690-48x-2q-4c.3 # show slot\nSlots    Type                 Configured           State       Ports  Flags\n-------------------------------------------------------------------------------\nSlot-1   X690-48x-2q-4c       X690-48x-2q-4c       Operational   72   M\nSlot-100 V400-48t-10GE4       V400-48t-10GE4       Operational   52   M\nSlot-101 V400-48t-10GE4       V400-48t-10GE4       Operational   52   M\nSlot-102 V400-48t-10GE4       V400-48t-10GE4       Operational   52   M\nSlot-103 V400-48t-10GE4       V400-48t-10GE4       Operational   52   M\n<\/code><\/pre>\n<p><\/p>\n<ul>\n<li> Nu este necesar\u0103 o conexiune console sau Out-of-Band IP la BPE<\/li>\n<li> Toat\u0103 configurarea, monitorizarea, depanarea \u0219i diagnostica se realizeaz\u0103 prin intermediul interfe\u021bei 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> BPE nu efectueaz\u0103 comutare local\u0103. Ca rezultat, tot traficul este tunelat c\u0103tre CB \u0219i, dac\u0103 este necesar, se efectueaz\u0103 forwarding c\u0103tre portul vecin din acela\u0219i slot BPE, \u00eentorc\u00e2ndu-se \u00eenapoi. (BPE prime\u0219te pachetul, adaug\u0103 antetul E-TAG \u0219i \u00eel trimite \u00een portul upstream)<\/li>\n<\/ul>\n<p>\nPentru a func\u021biona ca BPE, a fost introdus\u0103 o nou\u0103 platform\u0103 hardware ExtremeSwitching V400. Aceasta include extensii de porturi cu 24\/48 porturi 10\/100\/1000 Base-T cu suport PoE sau f\u0103r\u0103. \u00cen modelele cu 24 de porturi, sunt dou\u0103 porturi 10G, iar \u00een cele cu 48 de porturi, patru porturi 10G.<\/p>\n<p><img decoding=\"async\" alt=\"\u00abExtreme Extended Edge\u00bb, sau comutarea pe baza standardului IEEE 802.1BR\" src=\"\/wp-content\/uploads\/2020\/04\/9575a2617f71bd74de9cc71a538d8a65.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h4><b>Caracteristici de func\u021bionare<\/b><\/h4>\n<p>\nSunt acceptate topologii cu un singur SV sau dou\u0103 SV-uri \u0219i p\u00e2n\u0103 la patru BRU conectate \u00een cascad\u0103. Porturile cascade pot fi combinate \u00een LAG (p\u00e2n\u0103 la 4 porturi pentru modelele V400-48t\/p). Sta\u021biile finale pot fi conectate la diferite sloturi BPE prin LAG.<\/p>\n<p><img decoding=\"async\" alt=\"\u00abExtreme Extended Edge\u00bb, sau comutarea pe baza standardului IEEE 802.1BR\" src=\"\/wp-content\/uploads\/2020\/04\/0fa7476e2c1edc2a1d26705f7db3d456.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nDetectarea \u0219i func\u021bionarea BPE se bazeaz\u0103 pe protocoale precum:<\/p>\n<ul>\n<li> LLDP \u2013 detectarea ini\u021bial\u0103 \u0219i determinarea tipului \u0219i capacit\u0103\u021bilor dispozitivului conectat<\/li>\n<li> ECP \u2013 \u201eEdge Control Protocol\u201d transport pentru PE-CSP<\/li>\n<li> PE-CSP \u2013 \u201ePort Extender Control and Status Protocol\u201d configurarea controlului BPE cu Controlling Bridge<\/li>\n<li> LACP \u2013 instalarea LAG \u00eentre porturile \u201ecascade\u201d \u0219i \u201eupstream\u201d<\/li>\n<\/ul>\n<p>\nDac\u0103 se utilizeaz\u0103 un design de redundan\u021b\u0103 cu dou\u0103 SV-uri \u0219i MLAG, atunci la repornirea unui CB, BPE va continua s\u0103 trimit\u0103 trafic prin CB-ul r\u0103mas. Dac\u0103 unicul CB se reporne\u0219te, atunci BPE \u00ee\u0219i va dezactiva administrativ porturile \u201eextended\u201d. <br \/>\nPentru comoditatea configur\u0103rii unei topologii cu 2 SV-uri, a fost ad\u0103ugat\u0103 posibilitatea de a configura porturile MLAG ale ambelor piri de la oricare SV. Modului se nume\u0219te \u201emlag orchestration\u201d, iar piri sincronizeaz\u0103 o parte din configura\u021bia referitoare la set\u0103rile porturilor MLAG. Configurarea seam\u0103n\u0103 cu configurarea \u201evirtual-router\u201d personalizate.<\/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>\nFunc\u021bionalitatea \u201eControlling Bridge\u201d este disponibil\u0103 dup\u0103 instalarea modulului gratuit pentru EXOS, care are extensia .xmod. \u00cen acest mod, sunt incluse imaginile actualiz\u0103rilor pentru BPE. Atunci c\u00e2nd SV \u0219i BPE se descoper\u0103 reciproc, CB verific\u0103 versiunea firmware-ului instalat pe BPE \u0219i, dac\u0103 este necesar, o actualizeaz\u0103 automat.<\/p>\n<p>Caracteristicile enumerate mai sus permit o \u00eenlocuire simpl\u0103 \u0219i rapid\u0103 a slotului BPE, dac\u0103 este necesar. Deoarece sloturile BPE nu stocheaz\u0103 configura\u021bia \u0219i nu sunt legate \u00een sistem, imediat dup\u0103 \u00eenlocuirea dispozitivului \u0219i pornirea aliment\u0103rii, BPE va fi detectat de SV \u0219i se va aplica deja configura\u021bia existent\u0103, de asemenea, dac\u0103 este necesar, va fi actualizat firmware-ul.<\/p>\n<p>Aceast\u0103 solu\u021bie este bine adaptat\u0103 pentru re\u021bele cu direc\u021bia predominant\u0103 a traficului Nord\/Sud, cum ar fi re\u021belele de campus, re\u021belele \u00eentreprinderilor \u00een domeniul logisticii, educa\u021biei, centrelor de afaceri \u0219i altele. \u0218i, \u00eenc\u0103 o dat\u0103, s\u0103 subliniem c\u0103 beneficiile re\u021belelor construite pe solu\u021bia \u201eExtreme Extended Edge\u201d vor fi:<\/p>\n<ul>\n<li> Reducerea num\u0103rului de niveluri \u00een arhitectura tradi\u021bional\u0103 a re\u021belei din perspectiva configur\u0103rii \u0219i gestion\u0103rii<\/li>\n<li> Simplitatea scal\u0103rii \u0219i desf\u0103\u0219ur\u0103rii<\/li>\n<li> Nu este necesar s\u0103 existe conexiuni dedicate de management console sau OOV pentru sloturile BPE <\/li>\n<li> Reducerea licen\u021bierii (dac\u0103 este necesar, se aplic\u0103 doar pe SV)<\/li>\n<li> Punct unic de configurare, monitorizare \u0219i troubleshooting<\/li>\n<li> Afi\u0219are \u00een NMS ca un singur comutator<\/li>\n<li> Nu este necesar\u0103 instruire suplimentar\u0103 \u0219i extinderea personalului<\/li>\n<\/ul>\n<p>Sursa: <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 5.0.2.1 - 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 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