{"id":1796,"date":"2018-10-02T10:13:08","date_gmt":"2018-10-02T08:13:08","guid":{"rendered":"http:\/\/blog.phoenixcontact.com\/marketing-pl\/?p=1796"},"modified":"2018-10-03T12:34:39","modified_gmt":"2018-10-03T10:34:39","slug":"diagnostyka-sieci-ethernet-w-architekturze-prp","status":"publish","type":"post","link":"https:\/\/blog.phoenixcontact.com\/marketing-pl\/diagnostyka-sieci-ethernet-w-architekturze-prp\/","title":{"rendered":"Diagnostyka sieci ethernet w architekturze PRP"},"content":{"rendered":"<p>W uk\u0142adach automatyki elektroenergetycznej stosuje si\u0119 protoko\u0142y sieciowe, takie jak:<\/p>\n<ul>\n<li><strong> PRP<\/strong> (Parallel Redundancy Protokol),<\/li>\n<li><strong>HSR<\/strong> (High-availability Seamless Redundancy)<\/li>\n<li><strong> RSTP<\/strong> (Rapid Spanning Tree Protocol).<\/li>\n<\/ul>\n<p>Ostatni dopuszcza tworzenie p\u0119tli w sieciach z\u0142o\u017conych ze switchy zarz\u0105dzalnych i pozwala zabezpieczy\u0107 si\u0119 przed lawinowym powielaniem informacji broadcastowych (broadcast storm).<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.phoenixcontact.com\/assets\/images_ed\/global\/web_content_3col_mobile\/pic_con3_a_0079882_int.jpg\" \/><\/p>\n<p>Podstawow\u0105 wad\u0105 RSTP jest wyst\u0119powanie czasu rekonfiguracji, kt\u00f3ry w zale\u017cno\u015bci od z\u0142o\u017cono\u015bci sieci mo\u017ce wynie\u015b\u0107 od 0,5s do nawet kilku sekund.<\/p>\n<h1>Protoko\u0142y PRP oraz HSR zosta\u0142y ustandaryzowane w IEC 62439-3 i zaleca si\u0119 ich stosowanie w aplikacjach IEC61850 gdzie wymagana jest najwy\u017csza niezawodno\u015b\u0107.<\/h1>\n<p>W tego typu systemach utrata lub op\u00f3\u017anienie pewnych informacji (np. komunikatu typu GOOSE) mo\u017ce doprowadzi\u0107 do powa\u017cnych konsekwencji. Najwa\u017cniejsz\u0105 cech\u0105 PRP i HSR \u00a0jest brak czasu rekonfiguracji (0ms) dzi\u0119ki czemu <strong>w przypadku wyst\u0105pienia awarii nie wyst\u0105pi utrata pakiet\u00f3w danych.<\/strong><\/p>\n<h1>Schemat aplikacji testowej<\/h1>\n<div style=\"width: 686px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.phoenixcontact.com\/assets\/images_ed\/local_pl\/web_content_3col\/pic_con3_pl_0023642_pl.jpg\" alt=\"Format ramki protoko\u0142u PRP\" width=\"676\" height=\"432\" \/><p class=\"wp-caption-text\">Format ramki protoko\u0142u PRP<\/p><\/div>\n<p>\u0141\u0105cznik magistrali IEC61850 Axioline F BK SAS z modu\u0142ami I\/O wysy\u0142a raport MMS do klienta IEC61850. Oba hosty do sieci pod\u0142\u0105czone s\u0105 poprzez modu\u0142y redundantne FL RED 2001 PRP LC kt\u00f3re s\u0105 rozumieniu PRP tzw. DANP (Double Attached Node) i s\u0105 zgodne z norm\u0105 IEC62439-3. Modu\u0142y PRP maj\u0105 za zadanie zdublowanie wszystkich ramek ethernetowych odpowiednio do sieci LAN A oraz LAN B. Do oryginalnej ramki ethernetowej dodawany jest 6-bajtowy tzw. PRP Trailer. Jest on ignorowany przez wszystkie pojedyncze w\u0119z\u0142y (SAN) kt\u00f3re nie komunikuj\u0105 si\u0119 w strukturze PRP.<\/p>\n<p>Chcemy por\u00f3wna\u0107 ramk\u0119 MMS kt\u00f3ra jest transmitowana w sieci LAN A i LAN B. W zwi\u0105zku z tym \u017ce komunikacja MMS jest komunikacj\u0105 typu klient-serwer,\u00a0 nale\u017cy w switchach FL3012E-2SFX aktywowa\u0107 funkcj\u0119 \u201dPort mirroring\u201d aby przekierowa\u0107 ruch na port w kt\u00f3rym chcemy \u201dnas\u0142uchiwa\u0107\u201d.\u00a0 Poni\u017cej logi tego samego komunikatu MMS (w dw\u00f3ch r\u00f3\u017cnych sieciach) wyr\u00f3\u017cnionego Trailerem PRP sk\u0142adaj\u0119cego si\u0119 z:<\/p>\n<ul>\n<li>numeru sekwencji<\/li>\n<li>identyfikatora LAN_A (10) \/LAN_B (11)<\/li>\n<li>rozmiaru ramki<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/www.phoenixcontact.com\/assets\/images_ed\/local_pl\/web_content_3col\/pic_con3_pl_0023646_pl.jpg\" alt=\"logi tego samego komunikatu MMS (w dw\u00f3ch r\u00f3\u017cnych sieciach) wyr\u00f3\u017cnionego Trailerem PRP sk\u0142adaj\u0119cego si\u0119 z: numeru sekwencji, identyfikatora LAN_A (10) \/LAN_B (11), rozmiaru ramki\" width=\"676\" height=\"462\" \/><\/p>\n<p>Dodatkowo status sieci LAN i pod\u0142\u0105czonych do niej urz\u0105dze\u0144 musi by\u0107 stale monitorowany. Monitorowanie polega na tym \u017ce ka\u017cdy w\u0119ze\u0142 DANP wysy\u0142a broadcastowe ramki cyklicznie tzw. PRP supervision frame. Pozwala to urz\u0105dzeniom komunikuj\u0105cym si\u0119 w PRP sprawdzi\u0107 integralno\u015b\u0107 ca\u0142ej sieci i statusu pod\u0142\u0105czonych do niej w\u0119z\u0142\u00f3w.<\/p>\n<div style=\"width: 686px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.phoenixcontact.com\/assets\/images_ed\/local_pl\/web_content_3col\/pic_con3_pl_0023647_pl.jpg\" alt=\" Przyk\u0142ad ramek monitoruj\u0105cych wysy\u0142anych przez oba modu\u0142y PRP.\" width=\"676\" height=\"462\" \/><p class=\"wp-caption-text\">Przyk\u0142ad ramek monitoruj\u0105cych wysy\u0142anych przez oba modu\u0142y PRP.<\/p><\/div>\n<p>Produkty powi\u0105zane<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"212\"><strong>Nazwa<\/strong><\/td>\n<td width=\"212\"><strong>Symbol<\/strong><\/td>\n<td width=\"212\"><strong>Nr katalogowy<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"212\">Modu\u0142 redundantny PRP<\/td>\n<td width=\"212\">FL RED 2001E PRP 2LC<\/td>\n<td width=\"212\"><a href=\"https:\/\/www.phoenixcontact.com\/online\/portal\/pl\/?uri=pxc-oc-itemdetail:pid=2701864&amp;library=plpl\">2701864<\/a><\/td>\n<\/tr>\n<tr>\n<td width=\"212\">Switch zarz\u0105dzalny IEC61850-3<\/td>\n<td width=\"212\">FL SWITCH 3012E-2SFX<\/td>\n<td width=\"212\"><a href=\"https:\/\/www.phoenixcontact.com\/online\/portal\/pl\/?uri=pxc-oc-itemdetail:pid=2891067&amp;library=plpl\">2891067<\/a><\/td>\n<\/tr>\n<tr>\n<td width=\"212\">Modu\u0142 SFP LC wielomodowy<\/td>\n<td width=\"212\">FL SFP FX<\/td>\n<td width=\"212\"><a href=\"https:\/\/www.phoenixcontact.com\/online\/portal\/pl\/?uri=pxc-oc-itemdetail:pid=2891081&amp;library=plp\">2891081<\/a><\/td>\n<\/tr>\n<tr>\n<td width=\"212\">Z\u0142\u0105cze magistrali<\/td>\n<td width=\"212\">AXL F BK SAS<\/td>\n<td width=\"212\"><a href=\"https:\/\/www.phoenixcontact.com\/online\/portal\/pl\/?uri=pxc-oc-itemdetail:pid=2701457&amp;library=plpl\">2701457<\/a><\/td>\n<\/tr>\n<tr>\n<td width=\"212\">Modu\u0142 I\/O<\/td>\n<td width=\"212\">AXL F DI8\/2 110\/220DC 1F<\/td>\n<td width=\"212\"><a href=\"https:\/\/www.phoenixcontact.com\/online\/portal\/pl\/?uri=pxc-oc-itemdetail:pid=2700684&amp;library=plpl\">2700684<\/a><\/td>\n<\/tr>\n<tr>\n<td width=\"212\">Modu\u0142 I\/O<\/td>\n<td width=\"212\">AXL F DOR4\/2 AC\/220DC 1F<\/td>\n<td width=\"212\"><a href=\"https:\/\/www.phoenixcontact.com\/online\/portal\/pl\/?uri=pxc-oc-itemdetail:pid=2700608&amp;library=plpl\">2700608<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr bgcolor=\"#edf0f3\">\n<td width=\"25\"><em>Autor:<\/em><\/td>\n<td width=\"302\"><em>Pawe\u0142 \u0141uszczak &#8211; In\u017cynier ds. Aplikacji w Energetyce<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>W uk\u0142adach automatyki elektroenergetycznej stosuje si\u0119 protoko\u0142y sieciowe, takie jak: PRP (Parallel Redundancy Protokol), HSR (High-availability Seamless Redundancy) RSTP (Rapid Spanning Tree Protocol). Ostatni dopuszcza tworzenie p\u0119tli w sieciach z\u0142o\u017conych ze switchy zarz\u0105dzalnych i pozwala zabezpieczy\u0107 si\u0119 przed lawinowym powielaniem informacji broadcastowych (broadcast storm). Podstawow\u0105 wad\u0105 RSTP jest wyst\u0119powanie czasu rekonfiguracji, kt\u00f3ry w zale\u017cno\u015bci od [&hellip;]<\/p>\n","protected":false},"author":34,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[162,49],"tags":[],"class_list":["post-1796","post","type-post","status-publish","format-standard","hentry","category-technical_blog","category-iec-61850"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Diagnostyka sieci ethernet w architekturze PRP | Poland<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.phoenixcontact.com\/marketing-pl\/diagnostyka-sieci-ethernet-w-architekturze-prp\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diagnostyka sieci ethernet w architekturze PRP | Poland\" \/>\n<meta property=\"og:description\" content=\"W uk\u0142adach automatyki elektroenergetycznej stosuje si\u0119 protoko\u0142y sieciowe, takie jak: PRP (Parallel Redundancy Protokol), HSR (High-availability Seamless Redundancy) RSTP (Rapid Spanning Tree Protocol). Ostatni dopuszcza tworzenie p\u0119tli w sieciach z\u0142o\u017conych ze switchy zarz\u0105dzalnych i pozwala zabezpieczy\u0107 si\u0119 przed lawinowym powielaniem informacji broadcastowych (broadcast storm). Podstawow\u0105 wad\u0105 RSTP jest wyst\u0119powanie czasu rekonfiguracji, kt\u00f3ry w zale\u017cno\u015bci od [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.phoenixcontact.com\/marketing-pl\/diagnostyka-sieci-ethernet-w-architekturze-prp\/\" \/>\n<meta property=\"og:site_name\" content=\"Poland\" \/>\n<meta property=\"article:published_time\" content=\"2018-10-02T08:13:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-10-03T10:34:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.phoenixcontact.com\/assets\/images_ed\/global\/web_content_3col_mobile\/pic_con3_a_0079882_int.jpg\" \/>\n<meta name=\"author\" content=\"phoenixcontactpolska\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"phoenixcontactpolska\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta 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