{"id":519,"date":"2020-04-06T21:10:20","date_gmt":"2020-04-06T19:10:20","guid":{"rendered":"http:\/\/tech.sosthe.sk\/?page_id=519"},"modified":"2020-04-06T21:10:20","modified_gmt":"2020-04-06T19:10:20","slug":"17-viac-switchov-ako-stack-technologia-stackwise","status":"publish","type":"page","link":"http:\/\/tech.sosthe.sk\/index.php\/ccna\/cisco-ios\/17-viac-switchov-ako-stack-technologia-stackwise\/","title":{"rendered":"17. Viac switchov ako Stack &#8211; technol\u00f3gia StackWise"},"content":{"rendered":"<h3><span>\u010co je to stack<\/span><\/h3>\n<p><span>Cisco switche sa daj\u00fa deli\u0165 pod\u013ea mnoh\u00fdch parametrov, ja by som si teraz dovolil delenie do troch skup\u00edn.\u00a0<\/span><strong><em><span>Z\u00e1kladn\u00e9 pevn\u00e9 switche<\/span><\/em><\/strong><span>\u00a0(fixed), ktor\u00e9 pracuj\u00fa na 2. vrstve pod\u013ea OSI, z\u00e1stupca je napr\u00edklad\u00a0<\/span><em><span>Catalyst 2960<\/span><\/em><span>\u00a0.\u00a0<\/span><strong><em><span>Pokro\u010dilej\u0161ie pevn\u00e9 switche<\/span><\/em><\/strong><span>\u00a0, ktor\u00e9 dok\u00e1\u017eu pracova\u0165 aj na vy\u0161\u0161\u00edch vrstv\u00e1ch, hlavne na 3. a teda vykon\u00e1va\u0165 routovanie, z\u00e1stupcom je\u00a0<\/span><em><span>Catalyst 3750<\/span><\/em><span>\u00a0.\u00a0A\u00a0<\/span><strong><em><span>modul\u00e1rny switche<\/span><\/em><\/strong><span>\u00a0, ktor\u00e9 sa skladaj\u00fa z chassis, do ktor\u00e9ho sa vkladaj\u00fa r\u00f4zne moduly (prv\u00fd mus\u00ed by\u0165 superv\u00edzor), z\u00e1stupca je\u00a0<\/span><em><span>Catalyst 6509<\/span><\/em><span>\u00a0.<\/span><\/p>\n<p><span>Pre switche\u00a0<\/span><em><span>prostrednej kateg\u00f3rie<\/span><\/em><span>\u00a0(C3750) m\u00e1 Cisco technol\u00f3giu zvan\u00fa\u00a0<\/span><strong><span>StackWise<\/span><\/strong><span>\u00a0a\u00a0<\/span><strong><span>StackWise Plus<\/span><\/strong><span>\u00a0(u nov\u0161\u00edch C3750E), ktor\u00e1 umo\u017en\u00ed spoji\u0165 switcha do\u00a0<\/span><strong><span>stacku<\/span><\/strong><span>\u00a0.\u00a0Z\u00e1kladn\u00e9 vlastnosti (dalo by sa poveda\u0165 v\u00fdhody)\u00a0<\/span><strong><em><span>stacku<\/span><\/em><\/strong><span>\u00a0s\u00fa:<\/span><\/p>\n<ul>\n<li><span>cel\u00fd stack sa konfiguruje (a vlastne aj chov\u00e1) ako jeden switch so s\u00fa\u010dtom portov<\/span><\/li>\n<li><span>konfigur\u00e1cia je spolo\u010dn\u00e1 a zdie\u013ean\u00e1 v\u0161etk\u00fdmi \u010dlenmi (ka\u017ed\u00fd m\u00e1 ulo\u017een\u00fa k\u00f3piu)<\/span><\/li>\n<li><span>m\u00e1 jednu spolo\u010dn\u00fa IP adresu a vstupn\u00e9 rozhrannie pre spr\u00e1vu (telnet, web, ssh)<\/span><\/li>\n<li><span>\u010dlenmi stacku m\u00f4\u017eeme jednoducho prid\u00e1va\u0165 aj odstra\u0148ova\u0165<\/span><\/li>\n<li><span>v pr\u00edpade po\u0161kodenia jedn\u00e9ho \u010dlena stacku sa d\u00e1 jednoducho nahradi\u0165 nov\u00fdm (v\u00e4\u010d\u0161inou bez potreby konfigur\u00e1cie)<\/span><\/li>\n<li><span>stacky teda sl\u00fa\u017ei k zv\u00fd\u0161eniu spo\u013eahlivosti<\/span><\/li>\n<\/ul>\n<h3><span>Vytvorenie stacku<\/span><\/h3>\n<p><span>Vytvorenie stacku sa vykon\u00e1 tak, \u017ee switche prepoj\u00edme \u0161peci\u00e1lnym\u00a0<\/span><strong><em><span>stackovac\u00edm k\u00e1blom<\/span><\/em><\/strong><span>\u00a0(b\u00fdva s\u00fa\u010das\u0165ou dod\u00e1vky switche).\u00a0Konektory sa nach\u00e1dza na zadnej strane switche a s\u00fa dva, preto\u017ee sa stack zap\u00e1ja do\u00a0<\/span><strong><em><span>uzavret\u00e9ho kruhu<\/span><\/em><\/strong><span>\u00a0.\u00a0Tento kruh v\u017edy prech\u00e1dza obvody vn\u00fatri switche, ak ch\u00fdba k\u00e1bel, tak sa na mieste nezapojen\u00e9ho porte aplikuje loopback.\u00a0T\u00e1to zbernica (Interconnect) m\u00e1 r\u00fdchlos\u0165 16 Gbps alebo 32 Gbps u StackWise Plus, ale d\u00e1ta putuj\u00fa obojsmerne s inteligentn\u00fdm v\u00fdpo\u010dtom trasy, tak\u017ee sa uv\u00e1dza r\u00fdchlos\u0165 dvojn\u00e1sobn\u00e1, teda 32Gbps alebo 64Gbps.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-520 size-full\" src=\"http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/000741.jpg\" alt=\"\" width=\"326\" height=\"181\" srcset=\"http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/000741.jpg 326w, http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/000741-300x167.jpg 300w\" sizes=\"(max-width: 326px) 100vw, 326px\" \/><\/p>\n<h3><span>Master switch<\/span><\/h3>\n<p><span>Jednotliv\u00e9 switche sa ozna\u010duj\u00fa ako\u00a0<\/span><strong><em><span>\u010dlenovia<\/span><\/em><\/strong><span>\u00a0(members) stacku.\u00a0Jeden switch je v\u017edy\u00a0<\/span><strong><em><span>ved\u00faci<\/span><\/em><\/strong><span>\u00a0(master), ten spravuje cel\u00fd stack (k nemu sa prip\u00e1jame na CLI, riadi v\u00fdmenu routovac\u00edch inform\u00e1ci\u00ed, odovzd\u00e1va forwardovacou tabu\u013eky ostatn\u00fdm \u010dlenom, at\u010f).\u00a0<\/span><strong><em><span>Master switch<\/span><\/em><\/strong><span>\u00a0sa vol\u00ed ur\u010dit\u00fdm procesom a teoreticky sa n\u00edm m\u00f4\u017ee sta\u0165 ktor\u00fdko\u013evek switch.\u00a0Dohromady m\u00f4\u017eeme prepoji\u0165 a\u017e 9 switchov a vo stacku sa im pride\u013euj\u00fa poradov\u00e9 \u010d\u00edsla &#8211; identifik\u00e1tory.\u00a0Z v\u00fdroby m\u00e1 ka\u017ed\u00fd switch nastaven\u00e9 \u010d\u00edslo 1 a po zapojen\u00ed do stacku sa mu prirad\u00ed najni\u017e\u0161ie vo\u013en\u00e9.<\/span><\/p>\n<h4><span>Vo\u013eba master switche<\/span><\/h4>\n<p><span>Proces, ktor\u00fd vol\u00ed master switch, prech\u00e1dza ur\u010dit\u00e9 krit\u00e9ri\u00e1, ktor\u00e9 s\u00fa hierarchicky uveden\u00e9 tu:<\/span><\/p>\n<ul>\n<li><strong><em><span>vo\u013eba pou\u017e\u00edvate\u013ea<\/span><\/em><\/strong><span>\u00a0&#8211; m\u00f4\u017eeme nakonfigurova\u0165 kto m\u00e1 by\u0165 master (pomocou najvy\u0161\u0161ej priority)<\/span><\/li>\n<li><strong><em><span>priorita pod\u013ea HW a SW<\/span><\/em><\/strong><span>\u00a0&#8211; najnov\u0161ie switch, najvy\u0161\u0161\u00ed HW verzie s najvy\u0161\u0161ou SW verzi\u00ed (funkciami &#8211; feature set) m\u00e1 prednos\u0165<\/span><\/li>\n<li><strong><em><span>existuj\u00face konfigur\u00e1cie<\/span><\/em><\/strong><span>\u00a0&#8211; switch s konfigur\u00e1ciou m\u00e1 prednos\u0165 pred nov\u00fdm switchom<\/span><\/li>\n<li><strong><em><span>uptime<\/span><\/em><\/strong><span>\u00a0&#8211; najdlh\u0161ie be\u017eiaci switch<\/span><\/li>\n<li><strong><em><span>MAC address<\/span><\/em><\/strong><span>\u00a0&#8211; najni\u017e\u0161ia MAC adresa v\u00ed\u0165az\u00ed<\/span><\/li>\n<\/ul>\n<h3><span>Pridanie nov\u00e9ho \u010dlena<\/span><\/h3>\n<p><span>Po\u00a0<\/span><strong><em><span>pripojen\u00ed nov\u00e9ho \u010dlena<\/span><\/em><\/strong><span>\u00a0by mal master skontrolova\u0165 jeho\u00a0<\/span><strong><span>IOS<\/span><\/strong><span>\u00a0a pr\u00edpadne nahra\u0165 spr\u00e1vnu verziu.\u00a0V\u0161etci \u010dlenovia stacku musia ma\u0165 rovnak\u00fa verziu IOSu s rovnak\u00fdmi funkciami.\u00a0\u010ealej master nakonfigurova\u0165 switch, nakop\u00edruje mu konfigur\u00e1ciu a \u010fal\u0161ie \u00fadaje.\u00a0Tak\u017ee ak v\u0161etko prebehne ako m\u00e1, nemal by po zapojen\u00ed konektorov a na\u0161tartovanie switche, by\u0165 potrebn\u00fd \u017eiadny z\u00e1sah.<\/span><\/p>\n<p><span>Pripojenie nov\u00e9ho \u010dlena m\u00f4\u017eeme vykona\u0165 za behu.\u00a0Rozpoj\u00edme jedno miesto stacku (tak aby sa n\u00e1m nerozpadol) a pripoj\u00edme vypnut\u00fd (to je d\u00f4le\u017eit\u00e9) nov\u00fd switch.\u00a0Samozrejme nov\u00e9 zapojenie mus\u00ed by\u0165 op\u00e4\u0165 do kruhu.\u00a0Ale pozor, v praxi sa mi stalo, \u017ee po zapojen\u00ed nov\u00e9ho \u010dlena a upgradu jeho IOSu sa stack softv\u00e9rovo rozpadol.\u00a0S\u00edce sa potom automaticky nakonfiguroval, ale jednotliv\u00e9 switche sa re\u0161tartovali.<\/span><\/p>\n<p><span>E\u0161te p\u00e1r inform\u00e1ci\u00ed k\u00a0\u00a0<\/span><strong><em><span>upgradu \/ downgrade IOSu<\/span><\/em><\/strong><span>\u00a0, ktor\u00fd vykon\u00e1va master switch.\u00a0Po pripojen\u00ed nov\u00e9ho \u010dlena sa zist\u00ed inform\u00e1cie o HW, a ak je rovnak\u00fd ako master, tak sa nahr\u00e1 jeho IOS.\u00a0Pre in\u0161tal\u00e1cie sa pou\u017e\u00edva pr\u00edkaz\u00a0<\/span><code>archive<\/code><span>.\u00a0Ak je verzia HW in\u00e1, tak master h\u013ead\u00e1 potrebn\u00fd IOS vo svojej flash pam\u00e4te alebo na TFTP servera (ak m\u00e1 nastaven\u00e9).\u00a0Ak sa nen\u00e1jde spr\u00e1vna verzia, tak sa pripojovan\u00fd switch nastav\u00ed do stavu\u00a0<\/span><strong><em><span>Version mismatch<\/span><\/em><\/strong><span>\u00a0a pravidelne rebootuje (pri \u0161tarte v\u017edy h\u013ead\u00e1, \u010di je k dispoz\u00edcii spr\u00e1vna verzia).<\/span><\/p>\n<h3><span>Odstr\u00e1nenie \u010dlena stacku<\/span><\/h3>\n<p><span>Pri\u00a0<\/span><strong><em><span>odstr\u00e1nen\u00ed switche<\/span><\/em><\/strong><span>\u00a0alebo\u00a0<\/span><strong><em><span>po\u0161kodenie k\u00e1bla<\/span><\/em><\/strong><span>\u00a0sa to stack dozvie a smeruje komunik\u00e1ciu mimo odstr\u00e1nen\u00fd switch alebo po\u0161koden\u00fa cestu.\u00a0Konfigur\u00e1cia portov, ale st\u00e1le zost\u00e1va, tak\u017ee po pripojen\u00ed nov\u00e9ho switche tento z\u00edska p\u00f4vodn\u00fa konfigur\u00e1ciu (z\u00e1le\u017e\u00ed na \u010d\u00edsle \u010dlena stacku).<\/span><\/p>\n<p><span>Ak sa\u00a0<\/span><strong><em><span>preru\u0161\u00ed vedenie<\/span><\/em><\/strong><span>\u00a0na jednom mieste, tak sa preru\u0161\u00ed kruh, \u010d\u00edm sa zredukujte r\u00fdchlos\u0165 na polovicu, ale v\u0161etko funguje \u010falej.\u00a0Po obnoven\u00ed kruhu, sa automaticky vr\u00e1ti funk\u010dnos\u0165 sp\u00e4\u0165.<\/span><\/p>\n<h3><span>StackWise a StackWise Plus<\/span><\/h3>\n<p><span>Technol\u00f3gia\u00a0<\/span><strong><em><span>StackWise<\/span><\/em><\/strong><span>\u00a0m\u00e1 rad vlastnost\u00ed, ktor\u00e9 sl\u00fa\u017eia na efekt\u00edvne a v\u00fdkonn\u00e9 funkciu.\u00a0<\/span><strong><em><span>StackWise Plus<\/span><\/em><\/strong><span>\u00a0prid\u00e1va e\u0161te nieko\u013eko vylep\u0161en\u00ed, tie\u017e sa zdvojn\u00e1sobila r\u00fdchlos\u0165 zbernice a s\u00fa podporovan\u00e9 10 Gigabitov\u00e9 ethernetov\u00e9 porty.<\/span><\/p>\n<p><span>Switche s technol\u00f3giou StackWise a StackWise Plus sa daj\u00fa\u00a0<\/span><strong><em><span>kombinova\u0165 dohromady<\/span><\/em><\/strong><span>\u00a0, ale dojedn\u00e1 sa glob\u00e1lna m\u00f3d StackWise.\u00a0Hlavn\u00e9 teda je, \u017ee sa degraduje r\u00fdchlos\u0165 Interconnect na teoretick\u00fdch 32 Gbps.<\/span><\/p>\n<h4><span>Kombin\u00e1cia HW verzi\u00ed switchov<\/span><\/h4>\n<p><span>Zauj\u00edmav\u00e9 rie\u0161enie pre prax m\u00f4\u017ee by\u0165 kombin\u00e1cia switchov tak, \u017ee pou\u017eijeme jeden alebo dva (pod\u013ea po\u010dtu linkov do core)\u00a0<\/span><strong><em><span>Catalyst 3750<\/span><\/em><\/strong><span>\u00a0, ktor\u00e9 maj\u00fa 10 Gbps uplink porty, a ostatn\u00e9\u00a0<\/span><strong><em><span>Catalyst 3750G<\/span><\/em><\/strong><span>\u00a0, ktor\u00e9 s\u00fa predsa len lacnej\u0161ie.\u00a0S\u00edce sa degraduje r\u00fdchlos\u0165 interconenctu na polovicu, ale to nemus\u00ed by\u0165 obmedzuj\u00face bod.<\/span><\/p>\n<p><span>V takomto rie\u0161en\u00ed som sa stretol s probl\u00e9mom, \u017ee po pripojen\u00ed nov\u00e9ho \u010dlena s inou verziou IOSu, sa spustil jeho upgrade, ale nejak\u00fdm sp\u00f4sobom sa zablokovala flash pam\u00e4\u0165 na master switchi.\u00a0Tak\u017ee je potrebn\u00e9 vykona\u0165 upgrade ru\u010dne a re\u0161tartova\u0165 master, aby sa uvo\u013enila jeho pam\u00e4\u0165.\u00a0Najjednoduch\u0161ie je vykona\u0165 upgrade IOSu e\u0161te sk\u00f4r ako switch pripoj\u00edme do stacku.<\/span><\/p>\n<h3><span>Tla\u010didlo Mode &#8211; Stack<\/span><\/h3>\n<p><span>Ak sme fyzicky u switche a potrebujeme zisti\u0165 z\u00e1kladn\u00e9 \u00fadaje o stacku, po\u010det \u010dlenov a aktu\u00e1lne id switche vo stacku, tak m\u00f4\u017eeme vyu\u017ei\u0165 tla\u010didlo\u00a0<\/span><code>MODE<\/code><span>.\u00a0Opakovan\u00fdm stl\u00e1\u010dan\u00edm rozsvietime di\u00f3du ved\u013ea n\u00e1pisu\u00a0<\/span><code>STACK<\/code><span>.\u00a0V tejto chv\u00edli sa rozsvietia di\u00f3dy nad prv\u00fdmi porty.\u00a0Po\u010det rozsvieten\u00fdch portov ur\u010duje po\u010det \u010dlenov stacku, blikaj\u00face port je aktu\u00e1lna poz\u00edcia.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-521 size-full\" src=\"http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/000742.gif\" alt=\"\" width=\"318\" height=\"82\" \/><\/p>\n<h3><span>Konfigur\u00e1cia v CLI<\/span><\/h3>\n<h4><span>Stack pr\u00edkazy<\/span><\/h4>\n<p><span>Z\u00e1kladn\u00e9 oper\u00e1cie, ktor\u00e9 m\u00f4\u017eeme sa stackom vykona\u0165 pomocou CLI, je zistenie inform\u00e1ci\u00ed o \u010dlenoch, nastavenie identifika\u010dn\u00e9ho \u010d\u00edsla switche a nastavenie priority (v podstate nastaven\u00ed master switche).<\/span><\/p>\n<pre><span style=\"font-size: 10pt;\">SWITCH # <strong>show switch                   <\/strong>\/\/ inform\u00e1cie o \u010dlenoch stacku (vr\u00e1tane id a priority) \r\nSWITCH # <strong>show switch detail            <\/strong>\/\/ navy\u0161e inform\u00e1cie o prepojen\u00ed vo stacku\r\n\r\nSWITCH (config) # <strong>switch 1 renumber 3   <\/strong>\/\/ zmen\u00ed identifika\u010dn\u00e9 \u010d\u00edslo z 1 na 3 \r\nSWITCH (config) # <strong>switch 3 priority 15 <\/strong>\/\/ priorita switche 3 na hodnotu 15 (mo\u017enosti 1 a\u017e 15), \u010d\u00edm v\u00e4\u010d\u0161ie t\u00fdm v\u00e4\u010d\u0161ia \u0161anca by\u0165 zvolen\u00fd ako master\r\n\r\nSWITCH (config) # <strong>no switch 3 provision <\/strong>\/\/ odstr\u00e1nenie \u010dlena stacku<\/span><\/pre>\n<h4><span>Provisioned switch<\/span><\/h4>\n<p><span>Je tu tie\u017e mo\u017enos\u0165 nakonfigurova\u0165 switch sk\u00f4r ne\u017e ho zapoj\u00edme do stacku.\u00a0Vytvor\u00edme\u00a0<\/span><strong><em><span>provisioned switch<\/span><\/em><\/strong><span>\u00a0(z\u00e1lo\u017en\u00e9), t\u00fdm p\u00e1dom m\u00e1me mo\u017enos\u0165 konfigurova\u0165 porty a \u010fal\u0161ie vlastnosti switche, aj ke\u010f fyzicky nie je pripojen\u00fd (porty sa nedaj\u00fa prepn\u00fa\u0165 do funk\u010dn\u00e9ho stavu &#8211; no shutdown).\u00a0A po pripojen\u00ed nov\u00e9ho switche, ten z\u00edska t\u00fato konfigur\u00e1ciu.<\/span><\/p>\n<p class=\"notice\"><strong><em><span>Pozn .:<\/span><\/em><\/strong><span>\u00a0Glob\u00e1lna konfigur\u00e1cia je rovnak\u00e1 pre v\u0161etk\u00fdch \u010dlenov stacku, ale m\u00f4\u017eeme konfigurova\u0165 jednotliv\u00e9 porty.<\/span><\/p>\n<pre><span style=\"font-size: 10pt;\">SWITCH (config) # <strong>switch 4 provision ws-C3750E-48PD   <\/strong>\/\/ vytvor\u00edme switch s dan\u00fdm id a modelom<\/span><\/pre>\n<h4><span>Adresovanie portov<\/span><\/h4>\n<p><span>Pr\u00edstup k jednotliv\u00fdm portom v r\u00e1mci stacku sa teraz vyu\u017eije pomocou \u010d\u00edsla \u010dlena stacku.\u00a0To sa zad\u00e1va ako prv\u00fd v trojici \u010d\u00edsel identifikuj\u00facich port, napr\u00edklad\u00a0<\/span><code>Gi2\/0\/1<\/code><span>je prv\u00fd port na druhom switchi vo stacku.<\/span><\/p>\n<h4><span>Iba jeden \u010dlen stacku<\/span><\/h4>\n<p><span>\u010c\u00edsla switchov m\u00f4\u017eeme pou\u017ei\u0165 e\u0161te na nieko\u013ek\u00fdch miestach.\u00a0V niektor\u00fdch informa\u010dn\u00fdch hl\u00e1seniach sa tie\u017e zobrazuje \u0161pecifick\u00fd switch pomocou n\u00e1zvu-id, treba SWITCH-2.<\/span><\/p>\n<pre><span style=\"font-size: 10pt;\">SWITCH # <strong>reload slot 2 <\/strong> \/\/ re\u0161tart iba druh\u00e9ho switche \r\nSWITCH # <strong>session 2 <\/strong>     \/\/ prepneme sa priamo na switch 2, v praxi ale len pre show a debug (sp\u00e4\u0165 sa vr\u00e1time pomocou exit)<\/span><\/pre>\n<h3><span>Upgrade IOSu vo stacku<\/span><\/h3>\n<p><span>Stru\u010dne tu spomeniem mo\u017enosti, ktor\u00e9 m\u00f4\u017eeme vyu\u017ei\u0165 (nielen) v r\u00e1mci stacku, pre manu\u00e1lne upgrade IOSu.\u00a0Hlavne sa vyu\u017e\u00edva pr\u00edkaz\u00a0<\/span><code>archive<\/code><span>, ktor\u00e1 je bli\u017e\u0161ie uveden\u00fd v kapitole <\/span><span>\u00a0&#8211; z\u00e1lohy a obnovy konfigur\u00e1cie a obrazov<\/span><span>\u00a0.<\/span><\/p>\n<p class=\"notice\"><strong><em><span>Pozn .:<\/span><\/em><\/strong><span>\u00a0Upgrade IOSu na stack vykon\u00e1 upgrade v\u0161etk\u00fdch \u010dlenov, ale pozor u r\u00f4znych HW verzi\u00ed.\u00a0Inak povedan\u00e9, ke\u010f upgradujeme master switch, tak ten po re\u0161tartuje upgraduje ostatn\u00fdch \u010dlenov.<\/span><\/p>\n<p><span>V r\u00e1mci stacku m\u00e1 pr\u00edkaz\u00a0<\/span><code>archive<\/code><span>parameter\u00a0<\/span><code>copy-sw<\/code><span>, ktor\u00fd kop\u00edruje IOS medzi \u010dlenmi stacku.\u00a0Nasleduj\u00faci pr\u00edklad skop\u00edruje IOS zo switche 2 na 3 a prep\u00ed\u0161e (vyma\u017ee) p\u00f4vodn\u00fa verziu.\u00a0Dal by sa pou\u017ei\u0165 aj parameter\u00a0<\/span><code>\/reload<\/code><span>, ktor\u00fd zaist\u00ed automatick\u00fd re\u0161tart switche po inov\u00e1cii, ale ak upgradujeme viac switchov, tak je treba je re\u0161tartova\u0165, a\u017e bud\u00fa ma\u0165 v\u0161etky rovnak\u00fa verziu.<\/span><\/p>\n<pre><span style=\"font-size: 10pt;\">SWITCH # <strong>archive copy-sw \/ overwrite \/ destination-system 3 2<\/strong> \r\nSWITCH # <strong>reload slot 3    <\/strong>\/\/ re\u0161tart iba switche 3 \r\nSWITCH # <strong>reload in 10:30 <\/strong>\/\/ napl\u00e1novanie re\u0161tartu cel\u00e9ho stacku (nejde iba switch) za 10 hod a 30 min<\/span><\/pre>\n<h4><span style=\"font-size: 10pt;\">Upgrade kombinovan\u00e9ho stacku<\/span><\/h4>\n<p><span>Ak chceme upgradova\u0165 stack na nov\u00fa verziu a m\u00e1me \u010dlenmi s rozdielnou verziou\u00a0<\/span><em><strong><span>StackWise<\/span><\/strong><\/em><span>\u00a0(StackWise sa ozna\u010duje ako verzia 0 a StackWise Plus ako 1), tak m\u00f4\u017eeme do\u00a0<\/span><code>taru<\/code><span>pre 3750 do adres\u00e1ra s\u00a0\u00a0<\/span><code>binem<\/code><span>nakop\u00edrova\u0165\u00a0<\/span><code>tar<\/code><span>pre 3750G (samozrejme rovnak\u00e9 verzie).\u00a0Potom upgradujeme 3750 (master) napr\u00edklad takto:<\/span><\/p>\n<pre><span style=\"font-size: 10pt;\">SWITCH # <strong>archive download-sw \/ no-version-check \/ destination-system 1 ftp: \/\/ user: password@10.0.0.10\/ <\/strong> <strong>C3750E-universalk9-tar.122-44.SE2.tar<\/strong><\/span><\/pre>\n<p><span>\u010clenovia stacku by sa mali upgradova\u0165 automaticky z ulo\u017een\u00e9ho imid\u017e, ak je tu ale probl\u00e9m, tak to m\u00f4\u017eeme vykona\u0165 ru\u010dne.\u00a0\u010eal\u0161ieho \u010dlena stacku (3750G) teda upgradujeme z mastra:<\/span><\/p>\n<pre><span style=\"font-size: 10pt;\">SWITCH # <strong>archive download-sw \/ no-version-check \/ destination-system 2 flash1: \/c3750e-universalk9-mz.122-40.SE\/c3750-ipbasek9-tar.122-44.SE2.tar<\/strong><\/span><\/pre>\n<p><span>Potom, \u010do m\u00e1me nov\u00fd IOS na v\u0161etk\u00fdch \u010dlenoch stacku, ho m\u00f4\u017eeme re\u0161tartova\u0165 (aby sa nov\u00e1 verzia na\u010d\u00edtala) pomocou\u00a0<\/span><code>reload<\/code><span>.<\/span><\/p>\n<p class=\"notice\"><strong><em><span>Pozn .:<\/span><\/em><\/strong><span>\u00a0Parameter<\/span><code>\/no-version-check<\/code><span>je ob\u010das potreba.\u00a0Napr\u00edklad v niektorom nov\u0161om IOSu je nov\u0161ia verzia stackovac\u00edho protokolu a preto\u017ee ostatn\u00e9 switche zatia\u013e pou\u017e\u00edvaj\u00fa star\u0161iu verziu, tak je mo\u017en\u00e9 vykona\u0165 upgrade iba bez kontroly.\u00a0A n\u00e1sledne sa mus\u00ed upgradova\u0165 ostatn\u00ed \u010dlenovia.<\/span><\/p>\n<h4><strong><span>\u010eal\u0161ie pr\u00edkazy k upgradu<\/span><\/strong><\/h4>\n<p><span>V pr\u00edpade nejak\u00fdch probl\u00e9mov sa m\u00f4\u017eu hodi\u0165 nasleduj\u00face pr\u00edkazy:<\/span><\/p>\n<pre><span style=\"font-size: 10pt;\">SWITCH # <strong>copy flash2: \/c3750-ipbasek9-mz.122-40.SE\/c3750-ipbasek9-mz.122-40.SE.bin Flash3: <\/strong>\/\/ ru\u010dn\u00e9 skop\u00edrovanie image \r\nSWITCH # <strong>show boot                 <\/strong>\/\/ zobraz\u00ed info odkia\u013e switche bootuje \r\nSWITCH (config) # <strong>boot system switch 3 flash: \/c3750-ipbasek9-mz.122-40.SE.bin <\/strong>\/\/ nastav\u00ed z ak\u00e9ho image m\u00e1 switch 3 bootova\u0165<\/span><\/pre>\n<p class=\"notice\"><strong><em><span>Pozn .:<\/span><\/em><\/strong><span>\u00a0Bootovanie m\u00f4\u017eeme nastavi\u0165 Aj pre v\u0161etk\u00fdch \u010dlenov stacku naraz.\u00a0Pomocou pr\u00edkazu<\/span><code>boot<\/code><span>m\u00f4\u017eeme nastavova\u0165 aj vlastnosti<\/span><code>auto-upgradu<\/code><span>\u010dlenov stacku.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u010co je to stack Cisco switche sa daj\u00fa deli\u0165 pod\u013ea mnoh\u00fdch parametrov, ja by som si teraz dovolil delenie do troch skup\u00edn.\u00a0Z\u00e1kladn\u00e9 pevn\u00e9 switche\u00a0(fixed), ktor\u00e9&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":431,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/pages\/519"}],"collection":[{"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/comments?post=519"}],"version-history":[{"count":1,"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/pages\/519\/revisions"}],"predecessor-version":[{"id":522,"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/pages\/519\/revisions\/522"}],"up":[{"embeddable":true,"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/pages\/431"}],"wp:attachment":[{"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/media?parent=519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}