Netgear WNDR3400
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* '''Upgrading to 21676 Big will brick this router! Use [ftp://dd-wrt.com/others/eko/BrainSlayer-V24-preSP2/2013/05-27-2013-r21676/broadcom_K26/dd-wrt.v24-21676_NEWD-2_K2.6_mega-nv64k.bin 21676 Mega] instead.''' | * '''Upgrading to 21676 Big will brick this router! Use [ftp://dd-wrt.com/others/eko/BrainSlayer-V24-preSP2/2013/05-27-2013-r21676/broadcom_K26/dd-wrt.v24-21676_NEWD-2_K2.6_mega-nv64k.bin 21676 Mega] instead.''' | ||
* This is otherwise a very good build for this router. | * This is otherwise a very good build for this router. | ||
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- | =Unbricking= | ||
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- | Contrary to the advice in Peacock, this router can often be recovered by shorting pins as described [http://www.dd-wrt.com/phpBB2/viewtopic.php?t=153763 here] if you have managed to brick it: | ||
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- | * Timing of the pin shorting is tricky -- power on, wait for the lights to flash, then try shorting a few times until the power light starts flashing steadily. | ||
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- | * Then use tftp2 (with no password) to flash factory firmware. | ||
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- | * After the flash, ''wait for at least a minute until the router boots up and the power light becomes steady green'' before resetting the router. | ||
Revision as of 00:50, 6 February 2014
Contents |
Important Notes
Only version 1 is supported. Versions 2 & 3 are not yet supported.
This router only uses K26 builds. Use builds with K2.6 in the name.
Read the Peacock announcement (at the top of the Broadcom Forum). Read it all. Carefully.
Hardware Specs
CPU | Broadcom BCM4718A1 |
---|---|
CPU Speed | 480 MHz |
Flash ROM | 8 MB |
RAM | 64 MB |
Radios | 2.4 GHz and 5 GHz |
WLAN Support | a/b/g/n |
WLAN Max Speed | 300 mbps on 2.4Ghz and 300mbps on 5Ghz |
Antenna Location | Internal |
Switch | 4x 100 + 1 100 WAN |
USB | 1x USB 2.0 |
DD-WRT Installation
- There are two versions of this router with corresponding initial flash mini firmware. One is for Netgear branded routers and the other is for Cablevision routers.
- Do a factory reset (with the button on the back), and upgrade with the appropriate mini firmware above. If it complains about downgrading, just Allow.
- To gain functionality of the usb port, upgrade to the big version or the mega version after flashing the mini version above.
- 30-30-30 reset router
Build Notes
19342
- This is a good build for this router.
21676
- Upgrading to 21676 Big will brick this router! Use 21676 Mega instead.
- This is otherwise a very good build for this router.
Revert to Factory Firmware
- Download official Netgear firmware
- Factory Reset DD-WRT (with the button on the back)
- Enable telnet under services
- Telnet to router (192.168.1.1)
- Issue the command "mtd erase linux" & wait ~3 mins
- tftp the official firmware to the router
- tftp for windows [1] enter router ip, leave password blank, select official firmware file
- 30-30-30 reset router