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ifconfig scan -- some networks are missing
When I run
$ ifconfig iwn0 scan , some of the networks from around the neigborhood don't show up in the list.Other computers in my house show a much larger list of networks. These are not OpenBSD machines. They are running Linux, Windows, and Android. I have read the ifconfig(8) man page and also tried the following search terms in Google: ifconfig scan site:daemonforums.orgThere are references to the command, but nothing about the number of networks. It seems that $ ifconfig iwn0 scan should be all I need to get a full list of available networks.Please let me know if posting the output of any commands would be helpful. Thanks to anyone who can offer assistance. |
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Another search string in Google will provide more information, as it will search through one of the mailing list archive sites:"ifconfig scan openbsd site:marc.info"
This led me to a brief discussion on the tech@ mailing list specific to the iwn(4) driver: https://marc.info/?t=151740156900002&r=1&w=2 Looking through the CVS log for src/sys/dev/pci/if_iwn.c, I can see that this was committed as revision 1.200, then fixed due to a regression in revision r.201. But the next commit -- 1.202 -- changes the way scans work across a broad swath of 802.11 drivers. One of these patches may be the reason for your apparent incomplete scan. You can try reverting them and build a test kernel. If reverting a patch doesn't build cleanly, you can always grab the kernel source from the CVS repository at a point in time prior to the commit. Quote:
Last edited by jggimi; 29th December 2018 at 02:31 PM. Reason: clarity, typos |
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