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    [[!meta title="Wireless com OpenWRT"]]
    
    Pesquisa rápida sobre roteadores wireless.
    
    Requisitos
    ----------
    
    1. Bom alcance (potência e sensibilidade).
    2. [Rodar OpenWRT](https://wiki.openwrt.org/toh).
    3. Preferencialmente arquitetura MIPS.
    
    Candidatos
    ----------
    
    ### TP-Link TL-WDR4300
    
    * [TP-Link TL-WDR4300](https://wiki.openwrt.org/toh/tp-link/tl-wdr4300).
    * [Download for TL-WDR4300 V1 - Welcome to TP-LINK](http://www.tp-link.com/en/download/TL-WDR4300.html).
    
    ### TP-Link Archer C5 AC1200
    
    * Problema: vendor lockdown: dependendo da versão, só carrega firmware assinado.
    * [TP-Link Archer C5 AC1200 / TP-Link Archer C7 AC1750 / TP-Link TL-WDR7500](https://wiki.openwrt.org/toh/tp-link/archer-c5-c7-wdr7500).
    
    ### TP-Link TL-WR941ND
    
    * [TP-Link TL-WR941ND](https://wiki.openwrt.org/toh/tp-link/tl-wr941nd).
    
    Escolhido
    ---------
    
    
    * [TP-Link TL-WDR4300](https://wiki.openwrt.org/toh/tp-link/tl-wdr4300):
      é um dos [recomendados](https://wiki.openwrt.org/toh/recommended_routers); [comparação de preços](http://www.buscape.com.br/tp-link-tl-wdr4300) (ar71xx).
    
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    Configuração
    ------------
    
    * [Bridged AP [OpenWrt Wiki]](https://wiki.openwrt.org/doc/recipes/bridgedap).
    * [Client Mode Wireless [OpenWrt Wiki]](https://wiki.openwrt.org/doc/howto/clientmode).
    
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    Upgrade de versão
    -----------------
    
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    * Referência: [OpenWrt OS upgrade procedure (LuCI or sysupgrade)](http://wiki.openwrt.org/doc/howto/generic.sysupgrade).
    * Baixe e verifique a integridade (sha256sum, gpg, etc) da nova versão do firmware.
    * Verifique se todas as modificações de configuração serão preservadas no upgrade (vide referência).
    * Suba para o roteador e atualize.
    * Exemplo:
    
        tpc$ scp openwrt-15.05.1-ar71xx-generic-tl-wdr4300-v1-squashfs-factory.bin router:/tmp
        router# sysupgrade -v /tmp/openwrt-15.05.1-ar71xx-generic-tl-wdr4300-v1-squashfs-factory.bin
    
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    Upgrade de pacotes
    ------------------
    
    Conforme [documentação](http://wiki.openwrt.org/doc/howto/generic.sysupgrade#check_for_any_upgradable_packages), mas sendo também um [procedimento questionável](https://superuser.com/questions/1121313/updating-openwrt-due-to-security-issues):
    
        opkg update
        opkg list-upgradable
        opkg upgrade <pacotes> # certifique-se de que haja espaço suficiente em /
    
    Anúncios de segurança
    ---------------------
    
    * [openwrt-security-announce](https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-security-announce)