Differences
This shows you the differences between two versions of the page.
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toh:mikrotik:rb493g [2013/01/14 17:08] del Added buying info on USB connectors |
toh:mikrotik:rb493g [2013/05/06 16:38] (current) renne Download URL updated to openwrt version 12.09 |
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| This is the easiest way to achieve a live boot of your RB493G, but it requires that you already have an OpenWrt router with net-access available. You will need to obtain an elf-image for the RB493G, and make it available to the other router. If you have enough memory available on the other router, you can put the image on the /tmp folder there, e.g., like this: | This is the easiest way to achieve a live boot of your RB493G, but it requires that you already have an OpenWrt router with net-access available. You will need to obtain an elf-image for the RB493G, and make it available to the other router. If you have enough memory available on the other router, you can put the image on the /tmp folder there, e.g., like this: | ||
| <code>ssh root@192.168.1.1 | <code>ssh root@192.168.1.1 | ||
| - | wget --directory-prefix=/tmp http://downloads.openwrt.org/attitude_adjustment/12.09-rc1/ar71xx/nand/openwrt-ar71xx-nand-vmlinux-initramfs.elf</code> | + | wget --directory-prefix=/tmp http://downloads.openwrt.org/attitude_adjustment/12.09-beta2/ar71xx/nand/openwrt-ar71xx-nand-vmlinux-initramfs.elf</code> |
| Now enable dnsmasq's built in tftp server, and point it to the correct locations, e.g., like this: | Now enable dnsmasq's built in tftp server, and point it to the correct locations, e.g., like this: | ||
| {{ :toh:mikrotik:tftpnetbootconfig.png?630 |Setting up netboot in Luci, note the full path for the filename. }} | {{ :toh:mikrotik:tftpnetbootconfig.png?630 |Setting up netboot in Luci, note the full path for the filename. }} | ||
| Line 58: | Line 58: | ||
| - enable dnsmasq's built-in TFTP-server <code>enable-tftp</code> | - enable dnsmasq's built-in TFTP-server <code>enable-tftp</code> | ||
| - set the root directory-for files available via TFTP. <code>tftp-root=/srv/tftp</code> | - set the root directory-for files available via TFTP. <code>tftp-root=/srv/tftp</code> | ||
| - | - download initramfs-kernel-image into root-directory of the TFTP-server: <code>wget --directory-prefix=/srv/tftp http://www.ozo.com/airo/openwrt/firmware/latest/2.6/ar71xx/26878/openwrt-ar71xx-nand-vmlinux-initramfs.elf</code> | + | - download initramfs-kernel-image into root-directory of the TFTP-server: <code>wget --directory-prefix=/srv/tftp http://downloads.openwrt.org/attitude_adjustment/12.09-beta2/ar71xx/nand/openwrt-ar71xx-nand-vmlinux-initramfs.elf</code> |
| - set filename of kernel image for tftp-server/BOOTP:<code>dhcp-boot=/srv/tftp/openwrt-ar71xx-nand-vmlinux-initramfs.elf</code> | - set filename of kernel image for tftp-server/BOOTP:<code>dhcp-boot=/srv/tftp/openwrt-ar71xx-nand-vmlinux-initramfs.elf</code> | ||
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| - Execute: | - Execute: | ||
| <code> | <code> | ||
| - | wget2nand http://downloads.openwrt.org/attitude_adjustment/12.09-beta/ar71xx/nand/ | + | wget2nand http://downloads.openwrt.org/attitude_adjustment/12.09/ar71xx/nand/ |
| </code> | </code> | ||
| - | You can adjust the path-part dependend on the OpenWRT-version ('attitude_adjustment/12.09-beta'), but make sure you use the 'ar71xx/nand/'-branch and at least version '12.09-beta'. | + | You can adjust the path-part dependend on the OpenWRT-version ('attitude_adjustment/12.09'), but make sure you use the 'ar71xx/nand/'-branch and at least version '12.09-rc2'. |
| ==== Upgrading OpenWrt ==== | ==== Upgrading OpenWrt ==== | ||
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| | 1x | USB-2.0-dual-A-socket, e.g., [[http://dx.com/p/diy-dual-usb-female-type-a-180-degree-dip-socket-connector-silver-10-piece-pack-127653 | |these]]. | | | 1x | USB-2.0-dual-A-socket, e.g., [[http://dx.com/p/diy-dual-usb-female-type-a-180-degree-dip-socket-connector-silver-10-piece-pack-127653 | |these]]. | | ||
| | 1x | USB-2.0- A-plug, e.g., [[http://dx.com/p/diy-usb-4-pin-female-type-a-smt-socket-connector-silver-10-piece-pack-127642 | these]]. | | | 1x | USB-2.0- A-plug, e.g., [[http://dx.com/p/diy-usb-4-pin-female-type-a-smt-socket-connector-silver-10-piece-pack-127642 | these]]. | | ||
| - | | 1x | Traco TSR 1-2450 step-down-converter 5VDC/1A (doesn't need any other components like capacitors or heatsink). As of this writing you will find the LM7805V voltage regulator at [[http://dx.com/p/lm7805l-5v-voltage-regulator-ics-10-pcs-157382 DealExtreme]] | | + | | 1x | Traco TSR 1-2450 step-down-converter 5VDC/1A (doesn't need any other components like capacitors or heatsink). As of this writing you will find the LM7805V voltage regulator at [[http://dx.com/p/lm7805l-5v-voltage-regulator-ics-10-pcs-157382 | DealExtreme]] | |
| | 1x | Multifuse 60VDC/0,5A I<sub>hold</sub>/1A I<sub>trip</sub> | | | 1x | Multifuse 60VDC/0,5A I<sub>hold</sub>/1A I<sub>trip</sub> | | ||
toh/mikrotik/rb493g.1358179693.txt.bz2 · Last modified: 2013/01/14 17:08 by del