help debug bwn(4) wireless

Ian Smith smithi at
Sun May 6 16:32:12 UTC 2012

In freebsd-questions Digest, Vol 413, Issue 11, Message: 21
On Sat, 5 May 2012 19:26:00 -0400 (EDT) Chris Hill <chris at> wrote:
 > On Sat, 5 May 2012, Robert Bonomi wrote:
 > > Anton Shterenlikht <mexas at> wrote;
 > [snip]
 > >> ...I still find the whole networking area perfectly impenetrable. (If 
 > >> you can recommend a really introductory book on the subject, I'd 
 > >> really appreciate it.
 > [snip]
 > > See also "TCP/IP Network Administration".  This is an "O'Reilley 
 > > Associates" book.  Virtually *everything* they publish is excellent. 
 > > If they've ever published an even mediocre book, _I_ have never 
 > > encountered it.
 > Anton, I'll second that recommendation. 'TCP/IP Network Administration' 
 > by Craig Hunt is an outstanding book; it taught me a lot about 
 > networking, really made the subject comprehensible. The other O'Reilly 
 > book that I found indispensable when getting started was 'Essential 
 > System Administration' by Aeleen Frisch. In fact, why don't I just "me 
 > too" about O'Reilly. Everything of theirs that I have seen has been 
 > excellent.

I'll third it Chris.  Apart from Tanenbaum's seminal 'Computer Networks' 
(qv) a decade earlier, I learned most of what I needed to setup mail, 
DNS, other servers and TCP/IP networking in general from Hunt's book.

I also borrowed Frish's excellent book (for about five years :) and 
found it invaluable for all sorts of sysadmin tasks, including good 
shell scripting techniques, covering a wide range of unixish OSes.

Anton, I'm not sure what the state of the art is for multiple network 
profiles for such as wireless vs wired, home and work etc, but look 
around.  I recall one called just 'profile' from years ago, and more 
recently talk of 'failover' setups for wired/wireless nets (probably in 
net at, but I've no time for hunting tonight.  Anyone?

cheers, Ian

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