I recently recovered from a bricked router after changing the settings for my router in /etc/network I believe it completely locked me out from using the telnet and ssh so I had to recover back to the neptune 354 firmware aside from that I'm just wondering if the guide
http://wiki.openwrt.org/OpenWrtDocs/Hardware/D-Link/DSL-502Tis still valid ? or if i'm doing something wrong by the way this is using the image from here
http://www.webalice.it/markvd/openwrt/ version 1 annex a