![]() ![]() The cost of components is relatively low a 10-euro/dollar project if one uses “eBay-grade” parts (which are likely sufficient). Console access to the bootloader will often allow one to fetch and flash new firmware and may be the only way to do so on some routers if the firmware is not functional.Įnabling a serial port, if there is not one already available on the case, typically involves opening the case and basic soldering skills. A console to the running system will let you correct a misconfigured network, for example. These serial ports typically provide a console to the bootloader and, when the firmware has booted, a console to the running system. Most devices supported by OpenWrt have or can be modified to have a serial port. However, some bootloaders don't have a “really failsafe” network re-flash feature, making a serial console one of the few ways to recover from a “bad flash” or an error in a user's own configuration. Most people get along without a serial console for their device because they're able to flash a working firmware the first time - or are able to apply various recovery methods - and do all their communicating with the device over a network. ![]()
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