{"id":36394,"date":"2019-10-31T22:11:24","date_gmt":"2019-10-31T19:11:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/podrobnosti-realizatsii-protokolov-rstp-i-proprietarnogo-extended-ring-redundancy\/"},"modified":"2019-10-31T22:11:24","modified_gmt":"2019-10-31T19:11:24","slug":"podrobnosti-realizatsii-protokolov-rstp-i-proprietarnogo-extended-ring-redundancy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/podrobnosti-realizatsii-protokolov-rstp-i-proprietarnogo-extended-ring-redundancy","title":{"rendered":"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>V\u00f5rgust leiate hulgaliselt materjale RSTP protokolli kohta. K\u00e4esolevas artiklis pakun \u00fcles v\u00f5rrelda RSTP protokolli oman\u00e4olise protokolliga <noindex><a rel=\"nofollow\" href=\"http:\/\/www.phoenixcontactpro.ru\">Phoenix Contact <\/a><\/noindex>\u2013 Extended Ring Redundancy.<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p><b>RSTP rakendamise \u00fcksikasjad<\/b><\/p>\n<p><b>\u00dclevaade<\/b><\/p>\n<p><i>Konvergentsi aeg<\/i> \u2013 1-10 c<br \/>\n<i>V\u00f5imalikud topoloogiad<\/i> \u2013 \u00fcksk\u00f5ik milline<\/p>\n<p>Levinud on arvamus, et RSTP v\u00f5imaldab l\u00fcliteid \u00fchendada ainult ringiks:<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/6cc708e397d6fbfd3d3ff0bd67dab9dc.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nKuid RSTP v\u00f5imaldab l\u00fcliteid \u00fchendada ka muus vormis. N\u00e4iteks suudab RSTP toime tulla sellise topoloogiaga.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/f204b8915afaae5183a0be55c660385d.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><b>T\u00f6\u00f6p\u00f5him\u00f5te<\/b><\/p>\n<p>RSTP viib mis tahes topoloogia puu vormi. \u00dcks l\u00fclititest muutub topoloogia keskuseks \u2013 juurl\u00fclitiks. Juurl\u00fcliti edastab l\u00e4bi ennast k\u00f5ige rohkem andmeid.<\/p>\n<p>RSTP t\u00f6\u00f6p\u00f5him\u00f5te on j\u00e4rgmine:<\/p>\n<ol>\n<li>toidetakse l\u00fcliteid;<\/li>\n<li>valitakse juurl\u00fcliti;<\/li>\n<li>\u00fclej\u00e4\u00e4nud l\u00fclitid m\u00e4\u00e4ravad k\u00f5ige kiirema tee juurl\u00fclitini;<\/li>\n<li>\u00fclej\u00e4\u00e4nud kanalid blokeeritakse ja muutuvad reservkanaliteks.<\/li>\n<\/ol>\n<p>\n<i>Juurl\u00fcliti valimine<\/i><\/p>\n<p>RSTP l\u00fclitid vahetavad BPDU pakette. BPDU on teenusepakett, mis sisaldab RSTP teavet. BPDU-d on kahte t\u00fc\u00fcpi:<\/p>\n<ul>\n<li>Konfiguratsiooni BPDU.<\/li>\n<li>Topoloogia Muutmise Teade.<\/li>\n<\/ul>\n<p>\nKonfiguratsiooni BPDU-d kasutatakse topoloogia loomisel. Seda saadab ainult juur-l\u00fcliti. Konfiguratsiooni BPDU sisaldab:<\/p>\n<ul>\n<li>saatja \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b (Bridge ID);<\/li>\n<li>juur-l\u00fcliti \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b (Root Bridge ID);<\/li>\n<li>port, millest see pakett saadeti (Port ID);<\/li>\n<li>tee maksumus juur-l\u00fclitile (Root Path Cost).<\/li>\n<\/ul>\n<p>\nTopoloogia Muutmise Teadet v\u00f5ib saata iga l\u00fcliti. Need saadetakse topoloogia muutmise korral.<\/p>\n<p>K\u00e4ivitamisel arvavad k\u00f5ik l\u00fclitid end juur-l\u00fclititeks. Nad hakkavad saatma BPDU pakette. Niipea kui l\u00fcliti saab BPDU, millel on v\u00e4iksem Bridge ID kui tema enda omal, l\u00f5petab ta end juur-l\u00fclitina pidamast.<\/p>\n<p>Bridge ID koosneb kahest v\u00e4\u00e4rtusest \u2013 MAC-aadressist ja Bridge Priority'st. MAC-aadressi me muuta ei saa. Bridge Priority vaikev\u00e4\u00e4rtus on 32768. Kui Bridge Priority't ei muudeta, siis saab juurswitchiks see, millel on madalaim MAC-aadress. Switch, millel on madalaim MAC-aadress, on vanim ja v\u00f5ib-olla mitte k\u00f5ige j\u00f5udsam. Soovitatakse k\u00e4sitsi m\u00e4\u00e4rata juurswitch topoloogiale. Selleks tuleb juurswitchil seadistada madalam Bridge Priority (n\u00e4iteks 0). Samuti saab m\u00e4\u00e4rata varus juurswitchi, andes talle veidi k\u00f5rgema Bridge Priority (n\u00e4iteks 4096).<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/f5142141d67a8d8704b8caa5c4f20109.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Teekonna valik juurswitchini<\/i><\/p>\n<p>Juurswitch saadab k\u00f5ikidele aktiivsetele portidele BPDU pakette. BPDU-l on v\u00e4li Path Cost. Path Cost t\u00e4histab tee maksumust. Mida k\u00f5rgem on tee maksumus, seda kauem v\u00f5tab paketi edastamine. Kui BPDU l\u00e4bib porti, lisatakse Path Cost'i v\u00e4ljadele maksumus. Lisatud arvu nimetatakse Port Cost'iks.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/99a7fa4cd3eec220285a4c83545d8bb4.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPath Cost lisab teatud v\u00e4\u00e4rtuse, kui BPDU l\u00e4bib m\u00f5nda porti. See v\u00e4\u00e4rtus, mida lisatakse, nimetatakse portide sisendiks (Port Cost) ja seda saab m\u00e4\u00e4rata nii k\u00e4sitsi kui ka automaatselt. Port Cost v\u00f5ib olla m\u00e4\u00e4ratud nii k\u00e4sitsi kui ka automaatselt.<\/p>\n<p>Kui mitte-juurkombinaatoril on mitu alternatiivset teed juure juurde, valib ta k\u00f5ige kiirema. Ta v\u00f5rdleb nende teede Path Cost'i. Port, kust BPDU tuli madalaima Path Cost'iga, saab juurporti (Root Port).<\/p>\n<p> <img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/49817c79ddadb0019986b67568123739.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/c4bd719750839a627771aeee41b45ae5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/861e37223cc924163d9e71e9ff06bdb2.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nAutomaatne portide hinnang on n\u00e4htav tabelis:<\/p>\n<p>Pordi andmeedastuskiirus<br \/>\nPordi hind<\/p>\n<p>10 Mbit\/s<br \/>\n2 000 000<\/p>\n<p>100 Mbit\/s<br \/>\n200 000<\/p>\n<p>1 Gbit\/s<br \/>\n20 000<\/p>\n<p>10 Gbit\/s<br \/>\n2 000<\/p>\n<p>\n<i>Portide rollid ja staatused<\/i><\/p>\n<p>Kombinaatori portidel on mitmeid staatuseid ja rolle.<\/p>\n<p><i>Pordi staatused (STP jaoks):<\/i><\/p>\n<ul>\n<li>Disabled \u2013 mitteaktiivne.<\/li>\n<li>Blocking \u2013 kuulab BPDU, kuid ei edasta. Andmeid ei edastata.<\/li>\n<li>Listening \u2013 kuulab ja edastab BPDU. Andmeid ei edastata.<\/li>\n<li>Learning \u2013 kuulab ja edastab BPDU. Valmistub andmete edastamiseks \u2014 t\u00e4idab MAC-aadresside tabelit.<\/li>\n<li>Forwarding \u2013 edastab andmeid, kuulab ja edastab BPDU.<\/li>\n<\/ul>\n<p>\nSTP konvergeerimise aeg on 30-50 sekundit. P\u00e4rast l\u00fcliti sissel\u00fclitamist l\u00e4bivad k\u00f5ik pordid k\u00f5ik olekud. Igas olekus viibib port paar sekundit. Selle toimimise p\u00f5him\u00f5tte t\u00f5ttu on STP konvergeerimise aeg nii pikk. RSTP-l on v\u00e4hem olekuid.<\/p>\n<p>Pordid olekud (RSTP jaoks):<\/p>\n<ul>\n<li>Discarding \u2013 mitteaktiivne.<\/li>\n<li>Discarding \u2013 kuulab BPDU-d, kuid ei edasta. Andmeid ei edastata.<\/li>\n<li>Discarding \u2013 kuulab ja edastab BPDU-d. Andmeid ei edastata.<\/li>\n<li>Learning \u2013 kuulab ja edastab BPDU. Valmistub andmete edastamiseks \u2014 t\u00e4idab MAC-aadresside tabelit.<\/li>\n<li>Forwarding \u2013 edastab andmeid, kuulab ja edastab BPDU.<\/li>\n<li>RSTP-s on olekud Disabled, Blocking ja Listening \u00fchendatud \u00fchte \u2013 Discarding.<\/li>\n<\/ul>\n<p>\nPordi rollid:<\/p>\n<ul>\n<li>Root port \u2013 port, mille kaudu andmed edastatakse. See on kiireim tee juur-l\u00fclitisse.<\/li>\n<li>Designated port \u2013 port, mille kaudu andmed edastatakse. M\u00e4\u00e4ratud igas LAN segment.<\/li>\n<li>Alternate port \u2013 port, mille kaudu andmed ei edastata. See on alternatiivne tee juur-l\u00fclitisse.<\/li>\n<li>Backup port \u2013 port, mille kaudu andmed ei edastata. See on reservtee segmentide jaoks, kus on juba \u00fchendatud \u00fcks RSTP toetav port. Backup porti kasutatakse, kui kaks l\u00fclitikanalit on \u00fchendatud \u00fchte segmenti (loe: hubi).<\/li>\n<li>Disabled port \u2013 RSTP on sellel pordil v\u00e4lja l\u00fclitatud.<\/li>\n<\/ul>\n<p>\nRoot Port'i valik on kirjeldatud eespool. Kuidas valitakse Designated port?<\/p>\n<p>Esiteks m\u00e4\u00e4ratleme, mis on LAN segment. LAN segment on kollisiooniala. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/domain\/\"   title=\"domeeni\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4076\">domeeni<\/a>. Iga l\u00fcliti v\u00f5i ruuteri jaoks moodustab iga port eraldi kollisioonidomeeni. LAN segment on kanal l\u00fclitite v\u00f5i ruuteri vahel. Kui r\u00e4\u00e4kida hub'ist, siis hub'ile kuuluvad k\u00f5ik pordid \u00fchte kollisioonidomeeni.<\/p>\n<p>\u00dchele segmentile m\u00e4\u00e4ratakse ainult \u00fcks Designated Port.<\/p>\n<p>Segmentide puhul, kus juba on Root Port'id, on k\u00f5ik selge. Teine port segmendis muutub Designated Port'iks.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/1699b684ba6d856905782ff8de3b90ac.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKuid j\u00e4\u00e4vad reserveeritud kanalid, kus on \u00fcks Designated Port ja \u00fcks Alternate Port. Kuidas neid valitakse? Designated Port'iks saab port, mille Path Cost on minimaalne juurkommutatorini. Kui Path Cost'id on v\u00f5rdsed, siis Designated Port on see port, mis asub kommutatoril, mille Bridge ID on v\u00e4ikseim. Kui ka Bridge ID'd on v\u00f5rdsed, siis Designated Port muutub portiks, mille numbriks on v\u00e4him. Teine port on Alternate.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/da1304c9922f1e2d738d66e543b3818e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/341ea14a428914bd0d86c7c79ad6dbcb.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nViimane hetk: millal m\u00e4\u00e4ratakse port Backup roll? Nagu juba varem mainitud, kasutatakse Backup porti ainult siis, kui kaks konnektori kanalit on \u00fchendatud \u00fche segmentiga, st hubiga. Sel juhul valitakse Designated Port t\u00e4pselt samade kriteeriumite alusel:<\/p>\n<ul>\n<li>Madalaim Path Cost juurkonnektorini.<\/li>\n<li>Madalaim Bridge ID.<\/li>\n<li>Madalaim Port ID.<\/li>\n<\/ul>\n<p>\n<b>Maksimaalne seadmete arv v\u00f5rgus<\/b><\/p>\n<p>IEEE 802.1D standard ei kehtesta ranget n\u00f5uet seadmete arvu kohta LAN-is RSTP-ga. Kuid standard soovitab kasutada mitte rohkem kui 7 konnektorit \u00fcksikuks haruks (mitte rohkem kui 7 h\u00fcpet), st mitte rohkem kui 15 ringis. Kui see arv \u00fcletatakse, hakkab v\u00f5rgu konvergentsi aeg suurenema.<\/p>\n<p><b>ERR rakenduse detailid.<\/b><\/p>\n<p><b>\u00dclevaade<\/b><\/p>\n<p><i>Konvergentsi aeg<\/i><\/p>\n<p>ERR konvergentsi aeg \u2013 15 ms. Maksimaalse konnektorite arvu korral ringis ja r\u00f5ngaste \u00fchendamisel \u2013 18 ms.<\/p>\n<p><i>V\u00f5imalikud topoloogiad<\/i><\/p>\n<p>ERR ei lase seadmeid vabalt \u00fchendada nagu RSTP. ERR-l on selged topoloogiad, mida saab kasutada:<\/p>\n<ul>\n<li>Ring<\/li>\n<li>Dubliingurong<\/li>\n<li>Kuni kolme r\u00f5nga \u00fchendamine<\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/a54a8f3717948eb9066e6940f064962d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Ring<\/i><\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/f905a0d6a789fc16fb0fbaea5f47e861.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nKui ERR-is \u00fchendatakse k\u00f5ik l\u00fclitid \u00fchte r\u00f5ngasse, tuleb igas l\u00fclitis seadistada pordid, mis osalevad r\u00f5nga loomises.<\/p>\n<p><i>Topelt r\u00f5ngas<\/i><br \/>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/c578e1191b924f81d6cae1392f6b5fd5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nL\u00fclitid saavad olla \u00fchendatud topelt r\u00f5ngastikku, mis suurendab r\u00f5nga usaldusv\u00e4\u00e4rsust m\u00e4rkimisv\u00e4\u00e4rselt.<\/p>\n<p>Topelt ringi piirangud:<\/p>\n<ul>\n<li>Topelt r\u00f5ngast ei saa kasutada l\u00fclitite \u00fchendamiseks teiste r\u00f5ngastega. Selleks tuleb kasutada Ring Coupling-i.<\/li>\n<li>Topelt r\u00f5ngast ei saa kasutada \u00fchenduste ringiks.<\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/53ac9708e0cb2bf015022a0b419fb0eb.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/0cb44b8e9256304cb9d75a98e9a43ec1.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>R\u00f5ngaste \u00fchinemine<\/i><\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/3a140cd59223bd91d3871dd7d2b1710a.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nR\u00f5ngaste \u00fchinemisel ei tohi v\u00f5rgus olla rohkem kui 200 seadet.<\/p>\n<p>R\u00f5ngaste \u00fchinemine t\u00e4hendab teiste r\u00f5ngaste \u00fchendamist uuesti \u00fchte r\u00f5ngasse.<\/p>\n<p>Kui r\u00f5ngas \u00fchendatakse \u00fchenduste ringiga \u00fche l\u00fcliti kaudu, siis seda nimetatakse <b>r\u00f5ngaste \u00fchendamiseks \u00fche l\u00fcliti kaudu<\/b>. Kui \u00fchenduste ringiga \u00fchendatakse kaks l\u00fclitit kohalikust r\u00f5ngast, siis seda nimetatakse <b>\u00fchenduseks kahe l\u00fcliti kaudu<\/b>.<\/p>\n<p>\u00dche l\u00fclitiga \u00fchendamisel kasutatakse seadmes m\u00f5lemat porti. Sel juhul on konvergentsi aeg umbes 15\u201317 ms. Sel moel toimib konvergentsi l\u00fcliti riketepunktina, kuna selle kaotamine t\u00e4hendab, et kogu ring langeb v\u00e4lja. Kaupa kahe l\u00fcliti kaudu aitab seda v\u00e4ltida.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/0b92b7b888a08794e21d3d2e061fd23e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/46121d428a21674a437544be007ed00a.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nDuplicaaditud ringe on v\u00f5imalik \u00fchendada.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/3864138dcc5e82b9e12753eef2292bbd.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\n<i>Path Control<\/i><br \/>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/177a49f38e69c754de7af0b36d0c62e0.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nPath Control funktsioon v\u00f5imaldab seadistada porte, mille kaudu andmed vahetatakse normaalses t\u00f6\u00f6re\u017eiimis. Kui kanal eba\u00f5nnestub ja v\u00f5rgustik \u00fcmber ehitatakse varuv\u00f5rgustikule, siis p\u00e4rast kanali taastekkimist taastatakse v\u00f5rk m\u00e4\u00e4ratud topoloogiale.<\/p>\n<p>See funktsioon v\u00f5imaldab s\u00e4\u00e4sta varukaablilt. Veelgi enam, alati on teada, milline topoloogia kasutatakse t\u00f5rkeotsinguks.<\/p>\n<p>Peamine topoloogia vahetub varuv\u00f5rgule 15 ms jooksul. Tagasi vahetamine v\u00f5rgu taastumisel v\u00f5tab umbes 30 ms.<\/p>\n<p>Piirangud:<\/p>\n<ul>\n<li>Ei saa kasutada koos Dual Ringiga.<\/li>\n<li>Funktsioon peab olema lubatud k\u00f5igis v\u00f5rgu l\u00fclitites.<\/li>\n<li>\u00dcks l\u00fclititest seadistatakse Path Control meistriks.<\/li>\n<li>Peamine topoloogia automaatne \u00fcleminek taastumise j\u00e4rel toimub vaikimisi 1 sekundi jooksul (seda parameetrit saab muuta SNMP abil vahemikus 0 kuni 99 sekundit).<\/li>\n<\/ul>\n<p>\n<b>T\u00f6\u00f6p\u00f5him\u00f5te<\/b><\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/15b569669736d2cf9c6b0c0598b843fe.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nERR t\u00f6\u00f6p\u00f5him\u00f5te<\/p>\n<p>Vaatame n\u00e4iteks kuut l\u00fclitit \u2013 1-6. L\u00fclitid on \u00fchendatud r\u00f5ngasse. Iga l\u00fcliti kasutab r\u00f5ngaga \u00fchendamiseks kahte porti ja salvestab nende staatuseid. L\u00fclitid edastavad \u00fcksteisele portide staatuseid. Need andmed aitavad seadmetel portide algseisundi m\u00e4\u00e4rata.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/930fe8518756e8cf9acab76087c81198.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nPortidel on vaid kaks rolli \u2013 <b>Blokeeritud<\/b> ja <b>Edastamine<\/b>.<\/p>\n<p>L\u00fcliti, millel on suurim MAC-aadress, blokeerib enda porti. K\u00f5ik teised portid ringis edastavad andmeid.<\/p>\n<p>Kui Blokeeritud port lakkab t\u00f6\u00f6tamast, muutub j\u00e4rgmine port suurima MAC-aadressiga Blokeerituks.<\/p>\n<p>P\u00e4rast k\u00e4ivitamist hakkavad l\u00fclitid saatma Ring Protocol Data Unit (R-PDU). R-PDU edastatakse multicast'i kaudu. R-PDU on teenuseteade, nagu BPDU RSTP-s. R-PDU sisaldab l\u00fcliti portide staatuseid ja selle MAC-aadressi. <\/p>\n<p><i>K\u00e4itumisalgoritm kanalih\u00e4ire korral<\/i><br \/>\nKui kanal eba\u00f5nnestub, saadavad l\u00fclitid R-PDU, et teavitada portide staatuste muutumisest.<\/p>\n<p><i>Tegutsemisjuhised kanali taastamiseks<\/i><br \/>\nKui rikki l\u00e4inud kanal taas t\u00f6\u00f6le hakatakse, saadavad l\u00fclitid R-PDU, et teavitada sadamate oleku muutusest.<\/p>\n<p>Suurima MAC-aadressiga l\u00fclitist saab uus juurl\u00fcliti.<\/p>\n<p>Rikki l\u00e4inud kanal muutub varuuks.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/863a98f53a8792935ef492b2a798b8ef.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/e0972cdee89606adec01a2924f907a8e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/3e873198ff0a68bd09627408ff465722.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/dff04828d8778263c4808ccd7594eefb.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/dfdb2a89ce223f0fa0eda950d411aaba.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nP\u00e4rast taastamist j\u00e4\u00e4b \u00fcks kanali sadamatest blokeerituks ja teine l\u00fclitatakse edastamise olekusse. Blokeerituks muutub sadam, millel on k\u00f5rgeim kiirus. Kui kiirus on sama, siis muutub blokeerituks see l\u00fclitin, millel on k\u00f5rgeim MAC-aadress. See p\u00f5him\u00f5te v\u00f5imaldab blokeerida sadama, mis l\u00e4heb olekust \u201eblokeeritud\u201c olekusse \u201eedastamine\u201c maksimaalse kiirusena.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/911468a4eb3902af9ffc3bdc51958604.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\n<b>Maksimaalne seadmete arv v\u00f5rgus<\/b><\/p>\n<p>Maksimaalne l\u00fclitite arv ERR ringis on 200. <\/p>\n<p><b>ERR ja RSTP koost\u00f6\u00f6<\/b><\/p>\n<p>RSTP-d saab kasutada koos ERR-iga. Kuid RSTP ja ERR ringid peavad kokku minema ainult \u00fche l\u00fcliti kaudu.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/ae522f0abf9c406542210fb8bce900fa.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\n<b>Kokkuv\u00f5te<\/b><\/p>\n<p>ERR sobib suurep\u00e4raselt t\u00fc\u00fcpiliste topoloogiate loomiseks. N\u00e4iteks ring v\u00f5i duublir\u00f5ngas.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/5924f05c3395ac6e220b8d70a6dba79d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/a2172fb28d3b37d01aea94d6673cc921.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSelliseid topoloogiaid kasutatakse sageli varuvarustamiseks t\u00f6\u00f6stuslikes objektides.<\/p>\n<p>Lisaks on ERR-i abil v\u00f5imalik teist topoloogiat realiseerida v\u00e4hem usaldusv\u00e4\u00e4rselt, kuid odavamalt. Seda v\u00f5ib teha topeltringi abil.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/08441dd845733c46b7d0e00d7e6de37b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKuid ERR-i kohaldamine ei ole alati v\u00f5imalik. On piisavalt eksootilisi skeeme. \u00dche meie kliendi puhul testisime j\u00e4rgmist topoloogiat.<\/p>\n<p><img decoding=\"async\" alt=\"RSTP protokollide ja oman\u00e4olise Extended Ring Redundancy rakendamise \u00fcksikasjad\" src=\"\/wp-content\/uploads\/2019\/07\/e55fa8e688e2a66a44f36f854a2e4ad6.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nAntud juhul ei olnud ERR-i rakendamine v\u00f5imalik. Sellise skeemi jaoks kasutasime RSTP-d. Kliendi n\u00f5ue oli rangelt ajakontroll \u2013 alla 3 sekundi. Selle aja saavutamiseks tuli selgelt m\u00e4\u00e4ratleda juureruuterid (peamine ja reserveeritud) ning portide kulud k\u00e4sitsi.<\/p>\n<p>Kokkuv\u00f5ttes saavuttaa ERR m\u00e4rkimisv\u00e4\u00e4rse eelise ajakontrollis, kuid ei paku sellist paindlikkust, nagu RSTP.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/phoenix_contact\/blog\/460633\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0441\u0435\u0442\u0438 \u043c\u043e\u0436\u043d\u043e \u043d\u0430\u0439\u0442\u0438 \u043c\u043d\u043e\u0433\u043e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432 \u043f\u0440\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b RSTP. \u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u044f \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e \u0441\u0440\u0430\u0432\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b RSTP \u0441 \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u044b\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u043c \u043e\u0442 Phoenix Contact \u2013 Extended Ring Redundancy. \u041f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 RSTP \u041e\u0431\u0449\u0438\u0435 \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0412\u0440\u0435\u043c\u044f \u0441\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u2013 1-10 c \u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u0442\u043e\u043f\u043e\u043b\u043e\u0433\u0438\u0438 \u2013 \u043b\u044e\u0431\u0430\u044f \u0420\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e \u043c\u043d\u0435\u043d\u0438\u0435, \u0447\u0442\u043e RSTP \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0438\u0442\u044c \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u044b \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u043a\u043e\u043b\u044c\u0446\u043e: \u041d\u043e RSTP \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27236,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-36394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u0441\u0435\u0442\u0438 \u043c\u043e\u0436\u043d\u043e \u043d\u0430\u0439\u0442\u0438 \u043c\u043d\u043e\u0433\u043e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432 \u043f\u0440\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b RSTP. \u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u044f \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e \u0441\u0440\u0430\u0432\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b RSTP \u0441 \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u044b\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u043c \u043e\u0442 Phoenix Contact \u2013 Extended Ring Redundancy. \u041f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 RSTP \u041e\u0431\u0449\u0438\u0435 \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0412\u0440\u0435\u043c\u044f \u0441\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u2013 1-10 c \u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 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content=\"et_EE\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u041f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 RSTP \u0438 \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u043e\u0433\u043e Extended Ring Redundancy | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0412 \u0441\u0435\u0442\u0438 \u043c\u043e\u0436\u043d\u043e \u043d\u0430\u0439\u0442\u0438 \u043c\u043d\u043e\u0433\u043e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432 \u043f\u0440\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b RSTP. \u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u044f \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e \u0441\u0440\u0430\u0432\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b RSTP \u0441 \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u044b\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u043c \u043e\u0442 Phoenix Contact \u2013 Extended Ring Redundancy. \u041f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 RSTP \u041e\u0431\u0449\u0438\u0435 \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0412\u0440\u0435\u043c\u044f \u0441\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u2013 1-10 c 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content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T19:11:24+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T19:11:24+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47RersRTP ja patenteeritud Extended Ring Redundancy protokollide rakenduse \u00fcksikasjad | ProHoster","description":"Internetti leidub palju materjale RSTP protokolli kohta. Selle artikli raames soovin v\u00f5rrelda RSTP protokolli Phoenix Contact'i patenteeritud protokolliga \u2013 Extended Ring Redundancy. RSTP rakenduse \u00fcksikasjad \u00dclevaade T\u00f5usuaeg \u2013 1-10 s V\u00f5imalikud topoloogiad \u2013 mis tahes On levinud arvamus, et RSTP v\u00f5imaldab l\u00fcliteid \u00fchendada ainult ringina: kuid RSTP v\u00f5imaldab.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/podrobnosti-realizatsii-protokolov-rstp-i-proprietarnogo-extended-ring-redundancy","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438 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