Asus Router WL-500gP User Manual Czech Version
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90 Problém P ři pouití ASUS Wireless Router Discovery nemohu naj ít ASUS bezdrátový router. Ř ešení Nakonfigurujte ASUS bezdrátový router p řes bezdrátovou LAN kartu, váš po číta č musí být ve stejné podsíti ASUS bezdrátového router u. V rámci stejné brány nem ůete nalézt ASUS bezdrátové routery s podsítí odliš nou od vašeho počíta če. Musíte nastavit váš po číta č na stejnou podsí ť jakou má ASUS bezdrátový router. Tovární nastavení podsít ě ASUS bezdrátového routeru je „192.168.1.1“. Ve Windows NT/2000/XP se musíte nalogovat s právy a dministrátora, aby všechny funkce ASUS bezdrátového routeru mohly správně fungovat. Pokud se nenalogujete jako člen administrátorské skupiny, nem ůete zm ěnit IP nastavení, ale m ůete spustit Discovery utility pokud je originální IP nastavení správné. Problém Jak mohu upgradovat firmware v ASUS bezdrátovém rou teru? Ř ešení Nový firmware dostupný pro bezdrátový router ASUS l ze pravidelně získat na webové stránce http://www.joyce.cz. Aktualizujte firmware volby „Firmware Upgrade“ v menu „System Setup“ webového managera. Sledujte FAQ na stránkách www.joyce.cz.
91 9. Dodatky 9.1 Slovník pojmů Access Point – přístupový bod – je zařízení, které dovoluje bezdrátovým klient ům spojit se s jinými bezdrátovými klienty a chovat se jako most mezi bezdrátovými klienty a ethernetovou sítí. Broadband – širokopásmový – typ přenosu dat, ve kterém jediný nosi č (jako nap říklad kabel) p řenáší najednou n ěkolik kanál ů dat. Channel – kanál – bezdrátový p řístupový bod vám dovoluje vybrat r ůzné rádiové kanály z bezdrátového spektra. Bezdrátové LAN za řízení pracuje ve spektru 2,4 GHz a kanál je uvnit ř konkrétního FCC rozp ětí, podobn ě jako jakýkoliv rádiový kanál. Client – klient – je stolní nebo p řenosný po číta č, který je zapojen do vaší sít ě. Device name – název za řízení – také známý jako ID DHCP klienta nebo název sít ě. N ěkdy je dodáván vaším poskytovatelem internetových s lueb ISP, kdy je DHCP pouíván k zadání adresy. DHCP (Dynamic Host Configuration Protocol) – tento protokol povoluje počíta či (nebo mnoha po číta čům ve vaší síti), aby m ěl automaticky p řid ělenou IP adresu z DHCP serveru. DNS Server Address (Domain Name System) – adresa DNS serveru – DNS povoluje internetovým hostitelským po číta čům mít doménové jméno a jednu nebo více IP adres. DNS server vede databázi hostitelský ch počíta čů a jejich p říslušných doménových jmen a IP adres, take kdy uivatel vep íše doménové jméno do internetového prohlíe če, je odeslán na správnou IP adresu. Adresa DNS ser veru pouívaná po číta či ve vaší domácí síti je lokace DNS serveru, který vám přid ěl váš poskytovatel internetových slueb. DSL Modem (Digital Subscriber Line) – ADSL modem pouívá vaši existující telefonní linku k p řenosu dat ve vysokých rychlostech. Encryption – šifrování – Poskytuje bezdrátový p řenos dat s úrovní bezpe čnosti. ESSID (Extended Service Set Identifier) – Do brány a kadého jejího bezdrátového klienta musíte vloit stejný ESSID. ESSID je jedine čný identifikátor pro vaši bezdrátovou sí ť. Ethernet – Ethernetové sít ě jsou spojeny kabely a huby a pohybují daty kolem s ebe. Jedná se o standard pro po číta čové sít ě. Frame-bursting – přetékání rám ů – vztahuje se k burst módu. Burst mód volitelně dovoluje stanici p řenášet skupiny rám ů bez vzdání se kontroly p řenášeného média.
92 Firewall – Firewall ur čuje, které informace se dostanou dovnit ř a ven ze sít ě. NAT m ůe vytvo řit p řirozenou firewall skrytím lokálních sí ťových IP adres p řed internetem. Firewall zabra ňuje komukoliv vn ě vaší sít ě, aby vstoupil na váš po číta č a eventuáln ě poškodil nebo prohlíel soubory. Gateway – brána – Síťový bod, který řídí veškerý provoz dat ve vaší síti a do internetu a propojuje jednu sí ť s druhou. Handshaking – handshaking se týká signál ů, které jsou p řenášeny mezi dorozumívajícími se sít ěmi, jen z řizují platné spojení mezi dv ěma stanicemi. IEEE – The Institute of Electrical and Electronics Engi neers. IEEE nastavuje standardy pro vytvá ření sít ě v četn ě Ethernet LAN ů. IEEE standardy zajiš ťují mezi stejnými typy systém ů schopnost systém ů uívat části nebo za řízení jiného systému. IP Address (Internet Protocol) – IP adresa je sloená ze čty ř skupin čísel odd ělených te čkami, identifikuje jedine čného internetového po číta čového hostitele, povoluje, aby vzkazy ur čené pro tento po číta č byly doru čeny do správného místa ur čení. ISP (Internet Service Provider) – poskytovatel internetových slueb – ISP je firma , která dovoluje jedinc ům nebo spole čnostem p řipojit se na internet. Uivatelé se nalogují na internet za pouití ú čtu s ISP. ISP m ůe poskytovat IP adresy dynamicky nebo m ůe p řid ělit jednotlivým po číta čům statické (fixní) IP adresy. ISP Gateway Address – adresa brány ISP – jedná se o adresu pro internetový router. Tato adresa je poadována pouze kdy pouív áte kabel nebo DSL modem. LAN (Local Area Network) – (lokální sí ť) – LAN je skupina po číta čů a za řízení, které jsou spole čn ě propojené v relativn ě malé oblasti (jako je nap říklad domácnost nebo kancelá ř). Vaše domácí sí ť je pokládána za LAN. MAC Address (Media Access Control) – MAC adresa je hardwarová adresa za řízení zapojeného do sít ě. NAT (Network Address Translation) – NAT masky lokální síťové skupiny IP adres z externí sít ě, umo ňuje po číta čům v lokální síti sdílet jediný ISP ú čet. Tento proces dovoluje všem po číta čům ve vaší domácí síti pouívat jednu IP adresu. Tot o umoní p řístup na internet z kteréhokoliv po číta če ve vaší domácí síti, ani byste museli koupit od vašeho ISP více IP adres. PC Card – PC karta – Toto je ethernetová karta, která se zapojuje do PCMCIA zdířky na vašem notebooku. Toto umoní po číta či komunikovat s bezdrátovými p řístupovými body. PPP (Point-to-Point Protocol) – PPP je protokol pro komunikaci mezi po číta či pouívajícími sériové rozhraní, obvykle se jedná o osobní počíta č spojený se serverem telefonní linkou.
93 PPPoE (Point-toPoint Protocol over Ethernet) – Point-to-Point Protocol je metoda zabezpe čení p řenosu dat. Pro p řipojení se k ISP PPP pouívá Ethernet. Subnet Mask – maska podsít ě – Jedná se o čty ři skupiny čísel konfigurovaných stejn ě jako IP adresa. Pouívá se k vytvo ření mnoství IP adres pouívaných pouze v rámci konkrétní sít ě. TCP/IP (Transmission Control Protocol/Internet Prot ocol) – Toto je standardní protokol pro data p řenášená p řes internet. Protokoly se pouívají pro propojování hostitel ů na internetu. WAN (Wide Area Network) – (rozsáhlá sí ť) – systém LAN ů spojených dohromady. Sí ť, která propojuje po číta če umíst ěné v odd ělených oblastech (tj. r ůzné budovy, m ěsta, zem ě). Internet je WAN. WECA (Wireless Ethernet Compatibility Alliance) – pracovní skupina, která potvrzuje schopnost systému uívat části nebo za řízení jiného systému a kompatibilitu IEEE 802.11b bezdrátových sí ťových produkt ů a propaguje tyto standardy pro podniky, malá podnikání a domácí pros tř edí. WLAN (Wireless Local Area Network) – Toto je skupina počíta čů a jiných za řízení spojených bezdrátov ě v malé oblasti. Bezdrátová sí ť je nazývána jako LAN nebo WLAN.
94 9.2 Licenční ujednání Tento produkt zahrnuje software t řetí strany chrán ěný autorskými právy GNU General Public Licence. P řesné pojmy a podmínky tohoto oprávn ění naleznete v GNU General Public Licence. Zvlášt ě následující části tohoto produktu jsou p ředm ětem GNU GPL: Podstata opera čního systému Linux Filtr po čáte čních bod ů packetu a NAT software Realizace zebra routingu Realizace udhcpd DHCP klienta/serveru. Realizace pptp-linux PPTP klienta. Realizace rp-pppoe PPPoE klienta. Realizace pppd PPP daemonu. Realizace dproxy DNS proxy. Realizace CDMA – PPP klienta. Balí ček bridge-utils. Všechny uvedené softwarové balí čky podléhají copyrightu svých vlastních autor ů. Detailní informace naleznete ve zdroji kód ů. 9.2.1 Dostupnost zdrojového kódu ASUSTeK COMPUTER Inc. má plný kód zdroje licen čního softwaru GPL v četn ě skript ů na kontrolu souboru a instalaci kódu. Všechny budo ucí aktualizace firmwaru budou dopln ěny p říslušným zdrojovým kódem. Zdrojové kódy a binární soubory firmwaru jsou dostu pné na instalačním CD.
95 9.2.2 GNU GENERAL PUBLIC LICENCE Právoplatné originální znění Obecné ve řejné licence GNU: Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 59 Temple Place - Suite 330, Boston, MA 02111-1307 , USA Everyone is permitted to copy and distribute verbat im copies of this license document, but changing it is not al lowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is inte nded to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Founda tions software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) Yo u can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have th e freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or us e pieces of it in new free programs; and that you know you can do these things. To protect your rights, we need to make restriction s that forbid anyone to deny you these rights or to ask you to surrender the rights. These restri ctions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a pro gram, whether gratis or for a fee, you must give the recipients all the rights that you have. Y ou must make sure that they, too, receive or can get the source code. And you must show them these t erms so they know their rights. We protect your rights with two steps: (1) copyrigh t the software, and (2) offer you this license which gives you legal permission to copy, distribut e and/or modify the software. Also, for each authors protection and ours, we wan t to make certain that everyone understands that there is no warranty for this free software. I f the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on t he original authors reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will i ndividually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyones free use or not licensed at all. The precise terms and conditions for copying, distr ibution and modification follow. TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other wor k which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The Program, below, refers to any such program or wor k, and a work based on the Program means either the Program or any derivative work und er copyright law: that is to say, a work containing the Program or a portion of it, either v erbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term modification.) Each licensee is addressed as you . Activities other than copying, distribution and mod ification are not covered by this License; they are outside its scope. The act of running the Progr am is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether t hat is true depends on what the Program does.
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