====== OpenWrt di TL-MR3020 ======

===== Spesifikasi =====

  * Arsitektur MIPS
  * Atheros AR9330 rev 1
  * CPU Atheros AR7240@400MHz
  * RAM 32 MiB
  * Flash 4 MiB
  * Wi-Fi 802.11 b/g/n 150Mbps
  * Porta Fast Ethernet 100 Mbps, 1 buah
  * Porta USB 2.0, 1 buah

===== Kebutuhan =====

  * Komputer/laptop dengan sistem GNU/Linux
  * TP-Link TL-MR3020
  * Kabel UTP Cat5/6 dengan RJ45 terpasang (sudah disediakan di dalam paket)
  * Kabel daya mini-USB (sudah disediakan di dalam paket)
  * [[http://downloads.openwrt.org/attitude_adjustment/12.09-beta/ar71xx/generic/openwrt-ar71xx-generic-tl-mr3020-v1-squashfs-factory.bin|Firmware OpenWrt untuk TL-MR3020]]

===== Persiapan =====

  * Sakelar di MR3020 kebetulan diset ke 3G ;-)
  * Colok kabel daya ke porta mini-USB di MR3020, dan ujung lainnya ke porta USB komputer/laptop
  * Colok kabel UTP melalui RJ45-nya ke porta Ethernet di MR3020, dan ujung lainnya ke porta Ethernet di komputer/laptop
  * Jalankan perintah <code>dhclient eth0</code>

===== Pemasangan =====
  * Buka panel kendali di peramban dengan mengunjungi http://192.168.0.254/, pengguna admin, dan kata sandi admin
  * Pilih //System Settings - Firmware Upgrade//. <code>Firmware Version: 3.12.11 Build 111128 Rel.34725n
Hardware Version: MR3020 v1 00000000</code>
  * Kemudian pilih berkas ''firmware'' OpenWrt yang sudah diunduh dengan tombol Telusuri
  * Tekan tombol Upgrade dan selesai. Sila pulang :D

===== Paket-Paket =====
[[http://downloads.openwrt.org/attitude_adjustment/12.09-beta2/ar71xx/nand/packages/|Daftar paket-paket OpenWrt]].

  * Konfigurasi repo opkg. <code>vim /etc/opkg.conf</code>
  * Mutakhirkan indeks paket. <code>opkg update</code>
  * Pasang paket. <code>opkg install wget-nossl terminfo libncurses screen</code>

===== Mengembalikan ke Firmware Bawaan =====
  * Download the factory original firmware from the official site. <code>$ wget -c http://www.tp-link.com/resources/software/TL-WR743ND_V2_131129.zip</code>
  * Save the hash of the archive. <code>$ sha1sum TL-WR743ND_V2_131129.zip > TL-WR743ND_V2_131129.zip.sha1</code>
  * Unzip the archive. <code>$ unzip TL-WR743ND_V2_131129.zip
Archive:  TL-WR743ND_V2_131129.zip
  inflating: wr743ndv2_en_3_17_0_up_boot(131129).bin
  inflating: How to upgrade TP-LINK Wireless  N Router.pdf</code>
  * Copy *.bin to the machine which we want to flash with scp. <code>scp *.bin root@192.192.168.1.1:</code>
  * Login to the machine with SSH. <code>$ ssh root@192.168.1.1
root@192.168.1.1's password:</code><code># ls
wr743ndv2_en_3_17_0_up_boot(131129).bin</code><code># df -h
Filesystem                Size      Used Available Use% Mounted on
rootfs                  640.0K    600.0K     40.0K  94% /
/dev/root                 2.3M      2.3M         0 100% /rom
tmpfs                    14.0M    536.0K     13.5M   4% /tmp
/dev/mtdblock3          640.0K    600.0K     40.0K  94% /overlay
overlayfs:/overlay      640.0K    600.0K     40.0K  94% /
tmpfs                   512.0K         0    512.0K   0% /dev</code>
   * Try to flash the firmware with mtd.<code># mtd -r write wr743ndv2_en_3_17_0_up_boot\(131129\).bin firmware</code><code>Unlocking firmware ...

Writing from wr743ndv2_en_3_17_0_up_boot(131129).bin to firmware ...  [e]Failed to erase block</code>
  * If it is failed, then use dd command first to skip the first 257 512-byte block.<code># mv wr743ndv2_en_3_17_0_up_boot\(131129\).bin orig.bin</code><code># dd if=orig.bin of=tplink.bin skip=257 bs=512</code><code>7680+0 records in
7680+0 records out</code>
  * Run to reflash the firmware again.<code># mtd -r write tplink.bin firmware</code><code>Unlocking firmware ...

Writing from tplink.bin to firmware ...     
Rebooting ...
Connection to 192.168.1.1 closed by remote host.
Connection to 192.168.1.1 closed.</code>
===== Daftar Bacaan =====
  * [[https://wiki.openwrt.org/toh/tp-link/tl-wr1043nd#back_to_original_firmware|Back to original firmware]]
  * [[http://wiki.openwrt.org/toh/tp-link/tl-mr3020|TP-Link TL-MR3020]]