{"id":37064,"date":"2019-10-31T22:15:33","date_gmt":"2019-10-31T19:15:33","guid":{"rendered":"https:\/\/prohoster.info\/blog\/chto-proishodit-s-internetom-tele2\/"},"modified":"2019-10-31T22:15:33","modified_gmt":"2019-10-31T19:15:33","slug":"chto-proishodit-s-internetom-tele2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/chto-proishodit-s-internetom-tele2","title":{"rendered":"Hvad sker der med internettet \"Tele2\"","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Hej alle sammen, Habrovchane!<\/p>\n

Faktisk blev jeg motiveret til at skrive denne artikel af de ofte udl\u00f8ste alarmer fra Zabbix-overv\u00e5gningen om hastighedsneds\u00e6ttelser p\u00e5 'Tele2' netv\u00e6rket. P\u00e5 fjerntliggende steder, hvor det ikke er muligt at etablere fiberoptik, er der oprettet port forwarding fra optagere gennem USB-modemer, som er flashed til at fungere med hvilke som helst operat\u00f8rer. Her er et enkelt diagram over forbindelsen mellem udstyret:
\n\"Hvad
\nForresten bruger vores organisation ogs\u00e5 mobilt internet fra 'MegaFon' til de samme form\u00e5l, men der er ikke observeret lignende problemer med det. <\/a><\/noindex>Problemet er f\u00f8lgende: fra omkring middag den 07.08.2019, blev Zabbix-notifikationer om nul hastighed p\u00e5 web-scripts p\u00e5 videooptagernes sider s\u00e5 hyppige, at afsenderens e-mail, der er angivet i Zabbix-alarmen, begyndte at opfatte trigger-e-mails som spam og ikke levere dem til modtageren, alts\u00e5 mig. Det er ogs\u00e5 vigtigt, at den baggrundshastighed p\u00e5 de problematiske netv\u00e6rk generelt er tilfredsstillende, selvom nedbruddene, selvom de er kortvarige, g\u00e5r straks til nul. Og hvis kanalerne fra optagerne 'skrives' til fjerntliggende lagringsmedier, vil der uundg\u00e5eligt opst\u00e5 problemer med integriteten af optagelsen i det mindste, eller endda helt med umuligheden af at genoprette forbindelsen til den m\u00e5lrettede optager.<\/p>\n

P\u00e5 tidspunktet for artiklens skrivelse (19:25 den 10.08.2019) begyndte hastighedsfaldet at forekomme sj\u00e6ldnere, men hvis det sker, er det netop registratorerne, der er koblet via \"Tele2\". Det er meget vigtigt at bem\u00e6rke, at det drejer sig om hele Moskva og Moskva-regionen. Selv en forl\u00e6ngelse af intervallet mellem tjek til 2 minutter \u00e6ndrede praktisk talt ikke situationen. Desuden hjalp det overhovedet ikke at g\u00e5 tilbage til standard zabbix_server.conf (man ved jo aldrig). Et opkald til \"Tele2\"'s hotline gav ingen forklaringer p\u00e5, hvad der skete, bortset fra et r\u00e5d om at indstille modemmet til blandet tilstand (det drejede sig \u00e5benbart om \"LTE+UMTS\"), hvilket tidligere ikke var n\u00f8dvendigt, og hvis det var n\u00f8dvendigt, s\u00e5 ikke p\u00e5 alle objekter med operat\u00f8ren \"Tele2\" p\u00e5 samme tid, og problemet ligger tydeligvis dybere end valget af protokol. Og selvf\u00f8lgelig vil jeg kontakte \"Tele2\"'s erhvervsafdeling p\u00e5 mandag for at afklare \u00e5rsagen til denne opf\u00f8rsel af netv\u00e6rket, men jeg tvivler meget p\u00e5, at de vil \u00f8nske at diskreditere sig selv. Derfor advarer denne paste s\u00e5ledes, samtidig med at den sp\u00f8rger: \"Har nogen bem\u00e6rket noget lignende i deres mobile internet med 'Tele2' eller Zabbix?\"<\/p>\n

S\u00e5dan her ser mappen til modtagelse af Zabbix-beskeder ud (og s\u00e5dan har den v\u00e6ret i 4 dage i tr\u00e6k):<\/p>\n

\"Hvad
\n
\nZabbix-kortet med videooptagere (hvis det p\u00e5 mailen ikke er tydeligt, at det er operat\u00f8ren 'Tele2', s\u00e5 er det \u00e5benlyst p\u00e5 kortet):<\/p>\n

\"Hvad
\n
\nOg kronen p\u00e5 v\u00e6rket for alle de tidligere n\u00e6vnte fakta er synkroniseringen af fald i Moskva og de n\u00e6rliggende forst\u00e6der, uanset deres geografi. Her er ikke medtaget de helt fjerne steder som Dolmatovo og Ferma, men bare se hvor skr\u00e6mmende deres grafer ser ud:<\/p>\n

\"Hvad
\n
\nHer er tidspunktet for faldet i Sgonniks:<\/p>\n

\"Hvad
\n
\nHer er omr\u00e5det for Sgonniks:<\/p>\n

\"Hvad
\n
\nOmtrent p\u00e5 samme tid var der fald i Strogino:<\/p>\n

\"Hvad
\n
\nBeliggenheden af Strogino:<\/p>\n

\"Hvad
\n
\nOg endelig samme 'nul' i Shcherbinka:<\/p>\n

\"Hvad
\n
\nDen er her:<\/p>\n

\"Hvad
\n
\nEn lille tidsm\u00e6ssig forskydning skyldes forskellen i starten af tjekket p\u00e5 serveren<\/a> Zabbix, men generelt, som vi kan se, er netv\u00e6rkets opf\u00f8rsel p\u00e5 graferne identisk p\u00e5 tidspunktet for denne specifikke kontrol. Tak for opm\u00e6rksomheden, jeg ser frem til at h\u00f8re fra jer om lignende observationer vedr\u00f8rende dette emne. Farvel til alle.
\n
Kilde: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u0440\u0438\u0432\u0435\u0442 \u0432\u0441\u0435\u043c, \u0445\u0430\u0431\u0440\u043e\u0432\u0447\u0430\u043d\u0435! \u0421\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u043a \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u044e \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u043c\u0435\u043d\u044f \u043f\u043e\u0434\u0442\u043e\u043b\u043a\u043d\u0443\u043b\u0438 \u0447\u0430\u0441\u0442\u043e \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u044e\u0449\u0438\u0435 \u0442\u0440\u0438\u0433\u0433\u0435\u0440\u044b \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u043d\u0433\u0430 Zabbix \u043d\u0430 \u043f\u0430\u0434\u0435\u043d\u0438\u0435 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u0432 \u0441\u0435\u0442\u0438 \u00abTele2\u00bb. \u041d\u0430 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u044b\u0445 \u043e\u0431\u044a\u0435\u043a\u0442\u0430\u0445, \u043a \u043a\u043e\u0442\u043e\u0440\u044b\u043c \u043d\u0435\u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u043f\u0440\u043e\u0432\u0435\u0441\u0442\u0438 \u043e\u043f\u0442\u0438\u043a\u0443, \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u043d \u043f\u0440\u043e\u0431\u0440\u043e\u0441 \u043f\u043e\u0440\u0442\u043e\u0432 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430 \u0447\u0435\u0440\u0435\u0437 USB \u043c\u043e\u0434\u0435\u043c\u044b, \u043f\u0435\u0440\u0435\u043f\u0440\u043e\u0448\u0438\u0442\u044b\u0435 \u043f\u043e\u0434 \u043b\u044e\u0431\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u043e\u0432. \u0412\u043e\u0442 \u043f\u0440\u043e\u0441\u0442\u0435\u043d\u044c\u043a\u0430\u044f \u0441\u0445\u0435\u043c\u0430 \u0441\u0432\u044f\u0437\u0438 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f: \u041a \u0441\u043b\u043e\u0432\u0443, \u043d\u0430\u0448\u0430 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f \u043f\u043e\u043f\u0443\u0442\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u0432 \u0442\u0435\u0445 \u0436\u0435 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27784,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-37064","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Hvad sker der med internettet fra \u00abTele2\u00bb | ProHoster","description":"Hej alle sammen, Habr-beboere! Faktisk blev jeg motiveret til at skrive denne artikel af de hyppige triggere fra overv\u00e5gningssystemet Zabbix vedr\u00f8rende hastighedsfald i netv\u00e6rket \"Tele2\".","canonical_url":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/chto-proishodit-s-internetom-tele2","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"da_DK","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\u0427\u0442\u043e \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0441 \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u043e\u043c \u00abTele2\u00bb | ProHoster","og:description":"\u041f\u0440\u0438\u0432\u0435\u0442 \u0432\u0441\u0435\u043c, \u0445\u0430\u0431\u0440\u043e\u0432\u0447\u0430\u043d\u0435! 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