How can I prevent my WLAN to use an essid?

[Michele]

Hello,

Question 1:
As the subject says, I am in a location where two essids are available. I
would like to prevent my WLAN from switching to the "wrong" ESSID. is it
possible?

Question 2:
For the moment, I think I have found a way to select a preferred essid,
modifying the /etc/network/interfaces but my WLAN ignores this.
Here's the relevant part of my /etc/network/interfaces:

auto eth1
#iface eth1 inet dhcp

iface eth1 inet dhcp
wireless-essid <my preferred ESSID here>

Should I comment "auto eth1" in the file above?


Cheers,

Michele
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