just flashed a wrt310n v1 coming from DD-WRT, did a full wipe of nvram. started using it and noticed immediately that response time for page requests was much slower than before. thought it was DNS issue. wifi devices also had a very difficult time resolving…maybe 10% were fast and only 30% worked at all.
decided to screw with it and unchecked "Use internal DNS"…whoa la, fast as ever!
did some research afterwards, looks like others running into same issue with Tomato: