{"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\/sk\/blog\/administrirovanie\/chto-proishodit-s-internetom-tele2","title":{"rendered":"\u010co sa deje s internetom \u201eTele2\u201c","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ahojte v\u0161etci, Habr\u00e1ci!<\/p>\n

Na nap\u00edsanie tohto \u010dl\u00e1nku ma vlastne podnietili \u010dasto sa aktivuj\u00face sp\u00fa\u0161\u0165a\u010de syst\u00e9mu monitorovania Zabbix pri poklese r\u00fdchlosti siete \u201eTele2\u201c. Na vzdialen\u00fdch objektoch, kde nie je mo\u017en\u00e9 zavies\u0165 optiku, je zorganizovan\u00e9 presmerovanie portov registr\u00e1tora cez USB modemy, ktor\u00e9 s\u00fa preflashovan\u00e9 pre ak\u00fdchko\u013evek oper\u00e1torov. Tu je jednoduch\u00e1 sch\u00e9ma spojenia vybavenia:
\n\"\u010co
\nMimochodom, na\u0161a organiz\u00e1cia popritom vyu\u017e\u00edva aj mobiln\u00fd internet \u201eMegafon\u201c na tie ist\u00e9 \u00fa\u010dely, ale s n\u00edm sa podobn\u00e9 probl\u00e9my nevyskytuj\u00fa. <\/a><\/noindex>Probl\u00e9m je nasledovn\u00fd: od pribli\u017ene poludnia 07.08.2019 za\u010dalo upozornenie Zabbix o nulovej r\u00fdchlosti vykon\u00e1vania webov\u00e9ho skriptu na str\u00e1nkach videoregistr\u00e1torov by\u0165 tak \u010dast\u00e9, \u017ee e-mail odosielate\u013ea, uveden\u00fd v upozornen\u00ed Zabbix, za\u010dal pova\u017eova\u0165 e-maily sp\u00fa\u0161\u0165a\u010dov za spam a nedoru\u010doval ich pr\u00edjemcovi, teda mne. Rovnako d\u00f4le\u017eit\u00e9 je aj to, \u017ee pozadov\u00e1 r\u00fdchlos\u0165 probl\u00e9mov\u00fdch siet\u00ed vo v\u0161eobecnosti vyhovuje, hoci poklesy, aj ke\u010f kr\u00e1tkodob\u00e9, s\u00fa n\u00e1hle na nulu. A ak s\u00fa kan\u00e1ly registr\u00e1torov \u201enahr\u00e1van\u00e9\u201c na vzdialen\u00e9 nosi\u010de, nevyhnutne sa vyskytn\u00fa probl\u00e9my s integritou z\u00e1pisu minim\u00e1lne, a to aj s \u00faplnou neschopnos\u0165ou znovu sa pripoji\u0165 k cie\u013eov\u00e9mu registr\u00e1toru.<\/p>\n

K momentu p\u00edsania \u010dl\u00e1nku (19:25 10.08.2019) sa frekvencia poklesu r\u00fdchlosti za\u010dala prejavova\u0165 zriedkavej\u0161ie, av\u0161ak ak k poklesu doch\u00e1dza, tak ide o registr\u00e1tory, pre ktor\u00e9 je prev\u00e1dzkovan\u00fd \u201eTele2\u201c. Je d\u00f4le\u017eit\u00e9 poznamena\u0165, \u017ee sa to t\u00fdka celej Moskvy a Moskovskej oblasti. Dokonca ani pred\u013a\u017eenie \u010dasu medzi kontrolami na 2 min\u00faty prakticky nezmenilo situ\u00e1ciu. Taktie\u017e absol\u00fatne nepomohla n\u00e1vrat k predvolen\u00e9mu zabbix_server.conf (nu\u017e, \u010do ak). Telefon\u00e1t na hor\u00facu linku \u201eTele2\u201c nepriniesol \u017eiadne vysvetlenia k prebiehaj\u00facim udalostiam, okrem rady vysk\u00fa\u0161a\u0165 nastavi\u0165 v parametroch modemov zmie\u0161an\u00fd re\u017eim (zjavne sa hovorilo o \u201eLTE+UMTS\u201c), \u010do predt\u00fdm nebolo potrebn\u00e9, a ak aj bolo, tak nie na v\u0161etk\u00fdch objektoch s oper\u00e1torom \u201eTele2\u201c naraz, a probl\u00e9m zjavne le\u017e\u00ed hlb\u0161ie, ne\u017e vo v\u00fdbere protokolu. A ja sa, samozrejme, v pondelok spoj\u00edm s korpor\u00e1tnym oddelen\u00edm \u201eTele2\u201c oh\u013eadom zistenia povahy tak\u00e9hoto spr\u00e1vania siete, ale v\u00fdrazne pochybujem, \u017ee tam by sa chceli ak\u00fdmko\u013evek sp\u00f4sobom diskreditova\u0165. Preto toto posolstvo akoby varuje a z\u00e1rove\u0148 sa p\u00fdta: \u201enepozoroval niekto podobn\u00e9 v svojom mobilnom internete \u201eTele2\u201c alebo Zabbix?<\/p>\n

Takto vyzer\u00e1 z@srat\u00e1 zlo\u017eka na pr\u00edjem Zabbix-ozn\u00e1men\u00ed (a to takto 4 dni po sebe):<\/p>\n

\"\u010co
\n
\nMapa Zabbix s video registr\u00e1tormi (ak na screenshotu mailu nie je jasn\u00e9, \u017ee oper\u00e1tor je \u201eTele2\u201c, na mape je to evidentn\u00e9):<\/p>\n

\"\u010co
\n
\nA \u010dere\u0161ni\u010dkou na torte pre v\u0161etky predt\u00fdm uveden\u00e9 fakty je synchroniz\u00e1cia poklesov v Moskve a bl\u00edzkom Moskve, nez\u00e1visle od ich geografickej polohy. Sem sa nezaradili \u00faplne vzdialen\u00e9 body ako Dolmatovo a Ferma, aj ke\u010f, len sa pozrite, ak\u00e9 zubat\u00e9 maj\u00fa grafy:<\/p>\n

\"\u010co
\n
\nTu je \u010das poklesu v Sgonnikoch:<\/p>\n

\"\u010co
\n
\nTu je oblas\u0165 umiestnenia Sgonnikov:<\/p>\n

\"\u010co
\n
\nPribli\u017ene v tom istom \u010dase pokles v Strogine:<\/p>\n

\"\u010co
\n
\nMiesto Strogina:<\/p>\n

\"\u010co
\n
\nA nakoniec ten ist\u00fd \u201enula\u201c v \u0160\u010derbine:<\/p>\n

\"\u010co
\n
\nTu sa nach\u00e1dza:<\/p>\n

\"\u010co
\n
\nMal\u00fd \u010dasov\u00fd nes\u00falad sp\u00f4soben\u00fd rozdielom v za\u010diatku kontroly na serveri<\/a> Zabbix, ale celkovo, ako vid\u00edme, spr\u00e1vanie siete na grafoch je identick\u00e9 v \u010dase konkr\u00e9tne tejto kontroly. \u010eakujem za pozornos\u0165, budem \u010daka\u0165 na ak\u00e9ko\u013evek podobn\u00e9 pozorovania, pokia\u013e ide o t\u00fato z\u00e1le\u017eitos\u0165. V\u0161etk\u00fdm zbohom.
\n
Zdroj: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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Vlastne ma k nap\u00edsaniu tohto \u010dl\u00e1nku vyprovokovali \u010dasto sa aktivuj\u00face sp\u00fa\u0161\u0165a\u010de monitorovacieho syst\u00e9mu Zabbix na pokles r\u00fdchlosti v sieti \u201eTele2\u201c.","canonical_url":"https:\/\/prohoster.info\/sk\/blog\/administrirovanie\/chto-proishodit-s-internetom-tele2","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sk_SK","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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