Re: Unable to get the specific AP info via "iwlist wlan0 scanning"

i got some new informations. but also got some new questions.

1.when the ap is in the 13 frequency band, i can't get the ap info via
iwlist scanning. which is very weird.

2.Given that the i get the ap info of my router which is in frequency band
1, then i change the router to frequency band 13, but when i execute "iwlist
wlan0 scanning" , i still find that the ap is in frequency 1. i guess the
wifi doesn't "really" scan the ap around but instead,it just get the result
from cache, if it's true, how to clean the cache and make the wifi do a
"real" scanning.
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