{"id":117,"date":"2017-03-12T15:49:20","date_gmt":"2017-03-12T14:49:20","guid":{"rendered":"http:\/\/deadbeef.cz\/?p=117"},"modified":"2017-03-12T15:49:20","modified_gmt":"2017-03-12T14:49:20","slug":"zyxel-bridge-o2-vdsl","status":"publish","type":"post","link":"http:\/\/deadbeef.cz\/?p=117","title":{"rendered":"Zyxel bridge O2 VDSL"},"content":{"rendered":"<p>Po p\u0159est\u011bhov\u00e1n\u00ed k p\u0159\u00edtelkyni jsem se \u010dasto pot\u00fdkal s nefunk\u010dn\u00ed wifi. \u0160lo o topologii hv\u011bzda s centrem v ADSL routeru\/modemu Huawei od O2 a dv\u011bma AP (ka\u017ed\u00e9 vlastn\u00ed SSID, ka\u017ed\u00e9 jin\u00fd typ &#8211; alias co mi zbylo), pro pokryt\u00ed cel\u00e9ho prostoru. Ob\u010das jsem se (a jak jsem pozd\u011bji zjistil nejen j\u00e1, ale i dal\u0161\u00ed \u010dlenov\u00e9 dom\u00e1cnosti) p\u0159ipojil k WiFi a dostal adresu z \u00fapln\u011b jin\u00e9ho rozsahu, ne\u017e p\u0159id\u011bloval Huawei. J\u00e1 s\u00e1m jsem to \u0159e\u0161il vypnut\u00edm DHCP na sv\u00fdch za\u0159\u00edzen\u00edch. Nakonec jsem to vzdal a pod\u00edval se tomu na zoubek. Ten, kdo tento gul\u00e1\u0161 zp\u016fsobil, p\u016fvodn\u011b jsem se domn\u00edval, \u017ee pouze zapomn\u011bl vypnout DHCP, ale nakonec se uk\u00e1zalo, \u017ee mo\u017en\u00e1 nezapomn\u011bl. Adresa AP, toti\u017e byla z tohoto neplatn\u00e9ho rozsahu a dokonce byla i zaps\u00e1na na pap\u00edru s popisem s\u00edt\u011b. Vypnul jsem tedy DHCP, nastavil IP adresu z platn\u00e9ho rozsahu, zapnul DHCP na sv\u00fdch za\u0159\u00edzen\u00edch a s\u00ed\u0165 za\u010dala \u0161lapat, jako hodinky. (Kter\u00e9 je ov\u0161em pot\u0159eba ob\u010das nat\u00e1hnout &#8211; restartovat Huawei.)<\/p>\n<p>\u010casem do\u0161lo k pov\u00fd\u0161en\u00ed ADSL na VDSL. To sebou samoz\u0159ejm\u011b neslo v\u00fdm\u011bnu modemu. P\u0159i\u0161el v\u00fdst\u0159elek modern\u00ed techniky Zyxel\u00a0VMG1312-B30B. Co vedlo n\u00e1vrh\u00e1\u0159e za\u0159\u00edzen\u00ed k tomu, aby vytvo\u0159ili modem tak, \u017ee stoj\u00ed na stojato a kabely se do n\u011bho strkaj\u00ed z boku &#8211; co\u017e m\u00e1 za n\u00e1sledek nemo\u017enost pov\u011b\u0161en\u00ed na ze\u010f \u010di jakoukoliv jinou mo\u017enost ud\u011blat z toho diskr\u00e9tn\u00ed za\u0159\u00edzen\u00ed, kter\u00e9 nebude vid\u011bt ani p\u0159ek\u00e1\u017eet. Nech\u00e1pu.<\/p>\n<p>Stabilita firmware a jeho spolehlivost \u0161la ruku v ruce s jeho designem. Ale sta\u010dilo jednou za \u010das restartovat, znovuo\u017eivit statick\u00e9 nastaven\u00ed IP adres na za\u0159\u00edzen\u00edch a \u0161lo to. Tento stav mi v\u0161ak p\u0159i\u0161el neunostn\u00fd a rozhodl jsem se do toho po\u0159\u00e1dn\u011b \u0159\u00edznout. Povaloval se mi tu\u00a0TP-Link WR842ND. Po zkontrolov\u00e1n\u00ed\u00a0<a href=\"https:\/\/wiki.openwrt.org\/toh\/start\" target=\"_blank\">compatibility listu OpenWRT<\/a>\u00a0jsem zaj\u00e1sal a rozhodl se do toho j\u00edt.<\/p>\n<h2>Instalace OpenWRT na\u00a0TP-Link WR842ND<\/h2>\n<p>Podle\u00a0<a href=\"https:\/\/wiki.openwrt.org\/toh\/tp-link\/tl-wr842nd\" target=\"_blank\">open WRT wiki<\/a>\u00a0pracuje s t\u00edmto TP-Linkem aktu\u00e1ln\u00ed verze (15.05.1). St\u00e1hl jsem tedy bin\u00e1rku a zkusil nahr\u00e1t p\u0159es webov\u00e9 rozhran\u00ed. N\u011bco se p\u016fvodn\u00edmu firmware nel\u00edbilo a neust\u00e1le vracelo hl\u00e1\u0161ku, abych vybral spr\u00e1vn\u00fd soubor.<\/p>\n<p>Zlomit se mi to povedlo p\u0159ejmenov\u00e1n\u00edm na <span style=\"color: #008000;\">wrt.bin<span style=\"color: #000000;\">, pak u\u017e v\u0161e prob\u011bhlo hladce.<\/span><\/span><\/p>\n<p>V\u00fdchoz\u00ed nastaven\u00ed je perfektn\u011b funk\u010dn\u00ed. Trochu po\u0161telovat rozsahy adres, zapojit mezi lok\u00e1ln\u00ed s\u00ed\u0165 a modem a m\u016f\u017ee se na internet. Tedy skoro. IPv6 nejelo.<\/p>\n<h2>Zyxel jako bridge<\/h2>\n<p>Probl\u00e9m byl v tom, \u017ee modem Zyxel st\u00e1le routoval, poskytoval DHCP a na WAN portu TP-Linku tak byla lok\u00e1ln\u00ed adresa 10.0.0.2 a n\u011bjak\u00e1 IPv6, ale na p\u0159es tuto ne\u0161lo routovat.<\/p>\n<p>\u0158e\u0161en\u00edm tak je p\u0159epnout Zyxel do re\u017eimu bridge, kde bude fungovat \u010dist\u011b jako konvertor Ehernet &lt;-&gt; VDSL. Podle\u00a0<a href=\"https:\/\/www.o2.cz\/_pub\/9b\/31\/79\/354714_906639_Zyxel_VMG1312_B30B___Uzivatelska_prirucka.pdf\" target=\"_blank\">u\u017eivatelsk\u00e9 p\u0159\u00edru\u010dky<\/a>\u00a0k modemu (konkr\u00e9tn\u011b str\u00e1nky 38 a d\u00e1k) by m\u011blo sta\u010dit p\u0159idat WAN slu\u017ebu bridge. Obr\u00e1zky jsou zde chybn\u011b. A zobrazovan\u00e9 nastaven\u00ed neprojde. V m\u00edst\u011b s nastavov\u00e1n\u00edm priorit, je pot\u0159eba nastavit:<\/p>\n<ul>\n<li>prioritu na 0<\/li>\n<li>VLAN na 848 (zkr\u00e1tka tu ve kter\u00e9 je PPPoE).<\/li>\n<\/ul>\n<p>To by teoreticky m\u011blo sta\u010dit. Nesta\u010d\u00ed. V nastaven\u00ed WAN slu\u017eeb, je je\u0161t\u011b pot\u0159eba p\u0159epnout PPPoE do m\u00f3du bridge. Jak jsem to ud\u011blal, ztratil jsem k modemu p\u0159\u00edstup. Asi se zada\u0159ilo.<\/p>\n<p>V routeteru TP-Link s OpenWRT, jak pak smazal WAN6. WAN jsem nastavil do m\u00f3du PPPoE. Username a Login jsem nastavil na &#8222;O2&#8220; (ale podle diskus\u00ed by to m\u011blo b\u00fdt jedno). A\u00a0voil\u00e0, internet se rozjel.<\/p>\n<p>V internetov\u00fdch diskus\u00edch jsem se do\u010detl, \u017ee bych m\u011bl aktualizovat firmware. To na\u0161t\u011bst\u00ed nebylo t\u0159eba, i kdy\u017e m\u011b to znovu utvrdilo v n\u00e1zoru, \u017ee O2 je banda diletant\u016f. Na str\u00e1nk\u00e1ch byl dostupn\u00fd firmware pro aktualiuzaci, kter\u00fd byl dokonce je\u0161t\u011b star\u0161\u00ed ne\u017e ten, jen\u017e v modemu ji\u017e je.<\/p>\n<h2>Sjednocen\u00ed AP<\/h2>\n<p>Kdy\u017e u\u017e p\u0159\u00edstup na internet funguje, je mo\u017en\u00e9 pustit se do dal\u0161\u00edho kroku &#8211; sjednocen\u00ed AP. Pokud se nem\u00fdl\u00edm &#8211; a kdy\u017etak mne opravte &#8211; sta\u010d\u00ed v\u0161em router\u016fm na stejn\u00e9 s\u00edti nastavit stejn\u00e9 SSID, zabezpe\u010den\u00ed a heslo a o zbytek se postar\u00e1 podpora roamingu v za\u0159\u00edzen\u00ed. Zat\u00edm se zd\u00e1, \u017ee v\u0161e funguje, jak by m\u011blo.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Po p\u0159est\u011bhov\u00e1n\u00ed k p\u0159\u00edtelkyni jsem se \u010dasto pot\u00fdkal s nefunk\u010dn\u00ed wifi. \u0160lo o topologii hv\u011bzda s centrem v ADSL routeru\/modemu Huawei od O2 a dv\u011bma AP (ka\u017ed\u00e9 vlastn\u00ed SSID, ka\u017ed\u00e9 jin\u00fd typ &#8211; alias co mi zbylo), pro pokryt\u00ed cel\u00e9ho prostoru. Ob\u010das jsem se (a jak jsem pozd\u011bji zjistil nejen j\u00e1, ale i dal\u0161\u00ed \u010dlenov\u00e9 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[25,30,32,29,31,33],"_links":{"self":[{"href":"http:\/\/deadbeef.cz\/index.php?rest_route=\/wp\/v2\/posts\/117"}],"collection":[{"href":"http:\/\/deadbeef.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/deadbeef.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/deadbeef.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/deadbeef.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=117"}],"version-history":[{"count":2,"href":"http:\/\/deadbeef.cz\/index.php?rest_route=\/wp\/v2\/posts\/117\/revisions"}],"predecessor-version":[{"id":119,"href":"http:\/\/deadbeef.cz\/index.php?rest_route=\/wp\/v2\/posts\/117\/revisions\/119"}],"wp:attachment":[{"href":"http:\/\/deadbeef.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/deadbeef.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=117"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/deadbeef.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}